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ORDER NO.MD0603064C2

DVD Home Theater Sound System
SA-HT990E SA-HT990EB SA-HT990EG
Colour (S).......................Silver Type

Specifications
lGeneral Power Source: E/ EG areas: EB area: Power consumption: Dimensions (W×H×D): Mass: lAmplifier section RMS Output Power: Dolby Digital Mode lTotal RMS Dolby Digital mode Power: lFront: lCenter: lSurround: lActive subwoofers: 1000 W 125 W/ Channel (3) 250 W/ Channel (6) 125 W/ Channel (3) 250 W/ Channel (6) At 1kHz and total harmonic of 10% Sensitivity: S/N 26dB Antenna Terminals: lAM tuner section Frequency Range: AM Sensitivity S/N 20dB at 999kHz: lPhone Jack: Terminal: lFront M. Port: Sensitivity: Terminal: lDisc section Discs played (8 cm or 12 cm): 100mV (15k) Stereo 3.5 mm jack Stereo 3.5 mm jack 522-1629kHz (9kHz in step) 560µV/m AC 230V, 50Hz AC 230V-240V, 50Hz 120 W 430×60×354 mm 3.35kg Frequency Range: lSurround: lSubwoofer: lFM tuner section Preset Memory: FM 15 stations AM/MW 15 stations 87.5-108.00MHz (50kHz in step) 1.8µV (IHF) 1.4µV 75 (unbalanced) 80 W/ Channel (3) 75 W/ Channel (6) At 100Hz and total harmonic of 1%

At 100Hz and total harmonic of 10% DIN Output Power: Dolby Digital Mode: lTotal DIN Dolby Digital mode Power: 470 W At 1kHz and total harmonic of 1% lFront: lCenter: 80 W/ Channel (3) 75 W/ Channel (6)

© 2006 Panasonic AVC Networks Singapore Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

SA-HT990E / SA-HT990EB / SA-HT990EG

(1) (2) (3) (4) (5) (6) (7) (8)

DVD [DVD-Video, DVD-Audio, DivX(*1,2)] DVD-RAM [DVD-VR, MP3(*2,6), JPEG(*2,3), MPEG4(*2,4), DivX(*1,2)] DVD-R [DVD-Video, DVD-VR, MP3(*2,6), JPEG(*2,3), MPEG4(*2,4), DivX(*1,2)] DVD-R DL [DVD-Video, DVD-VR] DVD-RW [DVD-Video, DVD-VR, MP3(*2,6), JPEG(*2,3), MPEG4(*2,4), DivX(*1,2)] +R/+RW [Video] +R DL [Video] CD, CD-R/RW [CD-DA, Video CD, SVCD(*5), MP3(*2,6), WMA(*2,7), JPEG(*2,3), MPEG4(*2,4), DivX (*1,2), HighMAT Level 2 (Audio and Image)]

Video system: Signal system: Composite video output: Output level: Terminal: S-video output: Y output level: C output level: Terminal 1 Vp-p (75 ) PAL; 0.3Vp-p (75) NTSC; 0.286 Vp-p (75 ) S terminal (1 system) Scart jack (1 system) Component video output (NTSC: 480p/480i, PAL: 576p/576i): Y output level: PB output level: PR output level: Terminal: RGB video output: R output level: G output level: B output level: Terminal: 0.7 Vp-p (75 ) 0.7 Vp-p (75 ) 0.7 Vp-p (75 ) Scart jack (1 system) approx 0.5W Note: 1. Specifications are subject to change without notice. Mass and dimensions are approximate. 2. Total harmonic distortion is measured by the digital spectrum analyzer. Solder: This model uses lead free solder (PbF). Mechanism: This model uses DL2SU (Single tray) mechanism. 1 Vp-p (75 ) 0.7 Vp-p (75 ) 0.7 Vp-p (75 ) Pin jack (Y: green, PB: blue, PR: red) (1 system) 1 Vp-p (75 ) Pin jack (1 system) Scart jack (1 system) PAL 625/50, PAL 525/60, NTSC

*1 Plays all versions of DivX® video (including DivX®6) with standard playback of DivX® media files. Certified to the DivX Home Theater Profile. lGMC (Global Motion Compensation) is not supported. *2 The total combined maximum number of recognizable audio, picture and video contents and groups: 4000 audio, picture and video contents and 400 groups. *3 Exif Ver 2.1 JPEG Baseline files lPicture resolution: between 160 x 120 and 6144 x 4096 pixels (Sub sampling is 4:0:0, 4:2:0, 4:2:2, 4:4:4). Extremely long and narrow pictures may not be displayed. *4 MPEG4 data recorded with Panasonic SD multi cameras or DVD video recorders. lConforming to SD VIDEO specifications (ASF standard)/ MPEG4 (Simple Profile) video system/G.726 audio system. *5 Conforming to IEC62107 *6 MPEG-1 Layer 3, MPEG-2 Layer 3 *7 Windows Media Audio Ver.9.0 L3 lNot compatible with Multiple Bit Rate (MBR) Pick up: Wavelength: lCD: lDVD: Laser power: lCD: lDVD: Audio output (DISC): Number of channels: 5.1 ch (FL, FR, C, SL, SR, SW) CLASS 1M CLASS 1 785nm 662nm

Power consumption in standby mode:

Audio performance (Measurement at BE out terminal): Frequency response: DVD (linear audio): DVD-Audio: CD-Audio: S/N ratio: CD-Audio: Dynamic range: DVD (linear audio): CD-Audio: Total harmonic distortion: CD-Audio: lVideo section 0.005 % 95 dB 95 dB 105 dB Refer to the original service manual for *1, *2, *3, *4. 4 Hz-22 kHz (48 kHz sampling) 4 Hz-44 kHz (96 kHz sampling) 4 Hz-88 kHz (192 kHz sampling) 4 Hz-20 kHz

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CONTENTS
Page
1 Safety Precautions 1.1. GENERAL GUIDELINES 1.2. Before Repair and Adjustment 1.3. Protection Circuitry 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices 3 Precaution of Laser Diode 4 About Lead Free Solder (PbF) 5 Caution for AC Cord 6 Handling Precautions for Traverse Unit 6.2. Grounding for electrostatic breakdown prevention 7 Accessories 8 Operation Procedures 8.1. Remote Control Keys Operation 8.2. Main Unit Keys Operation 8.3. Disc information 6 7 7 8 9 9 11 12 12 13 14 5 5 5 5 8.4. About DivX VOD Content 9 Self-Diagnosis and special mode setting 9.1. Service Mode Summary Table 9.2. Service Mode Table 1 9.3. DVD Self Diagnostic Function-Error Code 9.4. Sales Demonstration Lock Function 9.5. Service Precautions 10 Assembling and Disassembling 10.1. Disassembly Flow Chart 10.2. Main Components and P.C.B. Locations 10.3. Disassembly of Top Cabinet 10.4. Disassembly of the DVD Lid (When taking out disc manually) 10.5. Disassembly of Front Panel Assembly P.C.B. 10.7. Disassembly of DVD Mechanism Unit 27 27 28 28

Page
15 16 16 16 21 23 24 25 26 26 27

6.1. Cautions to Be Taken in Handling the Optical Pickup Unit 9

10.6. Disassembly of Music Port P.C.B, FL P.C.B. & Top Button

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10.8. Disassembly of DVD Module P.C.B. 10.9. Disassembly of Rear panel 10.10. Disassembly of Scart P.C.B. 10.11. Disassembly of Main P.C.B. 10.12. Disassembly of Digital Amp IC 10.13. Disassembly of Digital Amp IC (IC5400) 10.14. Disassembly of Regulator IC 10.15. Disassembly of Switch Regulator IC (IC5701) 10.16. Service Position 11 Assembly and disassembly of Mechanism Unit 11.1. Disassembly Procedure 12 Measurements and Adjustments 12.1. Service Tools and Equipment 12.2. Important points in adjustment 12.3. Storing and handling of test discs 12.4. Optical adjustment 12.5. Abbreviations 13 Voltage and Waveform Chart 13.1. DVD Module P.C.B. 13.2. Main P.C.B. 13.3. FL P.C.B., Scart P.C.B., Tray Loading P.C.B. 13.4. Waveform Chart 14 Illustration of IC's, Transistors and Diodes 15 Wiring Connection Diagram 16 Block Diagram 17 Schematic Notes 18 Schematic Diagram 18.1. (A) DVD Module (DV3.2) Circuit 18.2. (B) Main/Power Circuit

29 29 29 29 30 30 30 30 31 32 32 38 38 38 38 39 40 42 42 43 45 46 47 49 51 59 61 61 65

18.3. (C) FL, Music Port, Top Button, Tuner Extent and Tray Motor Circuit 18.4. (D) Scart Circuit 19 Printed Circuit Board 19.1. (A) DVD Module P.C.B. 19.2. (B) Main & Power P.C.B. 19.3. (C)Tuner extent, AC-inlet, FL, Music Port, & Top button P.C.B. 19.4. (D) Scart & Tray Loading P.C.B. 20 Basic Troubleshooting Guide 20.1. Basic Troubleshooting Guide for Traverse Unit (DVD Module P.C.B.) 21 Overall Flow-Chart (HT990) 21.1. SC-HT990 DVD Unit Block Diagram 21.2. HT990 Block Diagram (Analog Signal : DVD 5.1ch Play Back Mode) 21.3. HT990 Block Diagram (Analog Signal : 2ch Analog Input Mode) 21.4. HT990 Power Supply Block Diagram 21.5. HT990 Power Block Diagram (SMPS) 22 Terminal Function of ICs 22.1. IC2018 (C2CBYY000195): System Control Microprocessor IC 23 Exploded Views 23.1. Cabinet Parts Location 23.2. Packaging 24 Replacement Parts List 24.1. Component Parts List 88 89 89 91 92 93 85 86 87 88 84 81 82 83 20.2. Troubleshooting Guide for Power section (Power circuit) 81 79 80 81 74 75 77 77 78

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1 Safety Precautions
1.1. GENERAL GUIDELINES
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed. 3. After servicing, carry out the following leakage current checks to prevent the customer from being exposed to shock hazards.

1.1.1.

LEAKAGE CURRENT COLD CHECK

1. Unplug the AC cord and connect a jumper between the two prongs on the plug. 2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the chassis, the reading should be between 1M and 5.2M. When the exposed metal does not have a return path to the chassis, the reading must be .

Figure 1

1.1.2.

LEAKAGE CURRENT HOT CHECK (See Figure 1.)

1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check. 2. Connect a 1.5k, 10 watts resistor, in parallel with a 0.15µF capacitors, between each exposed metallic part on the set and a good earth ground such as a water pipe, as shown in Figure 1. 3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor. 4. Check each exposed metallic part, and measure the voltage at each point. 5. Reverse the AC plug in the AC outlet and repeat each of the above measurements. 6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent) may be used to make the hot checks, leakage current must not exceed 1/2 milliamp. In case a measurement is outside of the limits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is returned to the customer.

1.2.

Before Repair and Adjustment

Disconnect AC power, discharge Power Supply Capacitors C5716, C5717, C5718 through a 10 , 10 W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices. After repairs are completed, restore power gradually using a variac, to avoid overcurrent. Current consumption at AC 230 V, 50 Hz in NO SIGNAL mode volume minimal should be ~ 600 mA (For E/ EG). Current consumption at AC 220V-230 V, 220V/230V-240V, 50Hz in NO SIGNAL mode volume minimal should be ~ 600 mA (For EB).

1.3.

Protection Circuitry

The protection circuitry may have operated if either of the following conditions are noticed: · No sound is heard when the power is turned on. · Sound stops during a performance. The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are

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"shorted", or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used. If this occurs, follow the procedure outlines below: 1. Turn off the power. 2. Determine the cause of the problem and correct it. 3. Turn on the power once again after one minute. Note: When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.

2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by electro static discharge (ESD). 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD protected)" can generate electrical charge sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices. 6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material). 7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. Caution Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device).

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3 Precaution of Laser Diode

4 About Lead Free Solder (PbF)
Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF stamp on the PCB. Caution: · Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C). · Pb free solder will tend to splash when heated too high (about 1100°F/ 600°C). When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the soldering points with the Pb free solder until it melts enough.

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5 Caution for AC Cord

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6 Handling Precautions for Traverse Unit
The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be taken avoid caution to electrostatic breakdown when servicing and handling the laser diode.

6.1.

Cautions to Be Taken in Handling the Optical Pickup Unit

The laser diode in the optical pickup unit may be damaged due to electrostatic discharge generating from clothes or human body. Special care must be taken avoid caution to electrostatic discharge damage when servicing the laser diode. 1. Do not give a considerable shock to the optical pickup unit as it has an extremely high-precise structure. 2. To prevent the laser diode from the electrostatic discharge damage, the flexible cable of the optical pickup unit removed should be short-circuited with a short pin or a clip. 3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the flexible cable. 4. The antistatic FPC is connected to the new optical pickup unit. After replacing the optical pickup unit and connecting the flexible cable, cut off the antistatic FPC.

6.2.

Grounding for electrostatic breakdown prevention

Some devices such as the DVD player use the optical pickup (laser diode) and the optical pickup will be damaged by static electricity in the working environment. Proceed servicing works under the working environment where grounding works is completed.

6.2.1. 6.2.2.

Worktable grounding Human body grounding

1. Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed, and ground the sheet.

1. Use the anti-static wrist strap to discharge the static electricity form your body.

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7 Accessories

Remote control AC cord (For EB area)

AC cord (For E, EG areas) AM loop antenna

Speaker cable

FM indoor antenna

Video cable (For E, EG areas)

Din adaptor (For EB area) Speaker label

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8 Operation Procedures
8.1. Remote Control Keys Operation

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8.2.

Main Unit Keys Operation

unt of power.

SURROUND ENHANCER

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8.3.
8.3.1.

Disc information
DISC playability (Media)
DVD-Video DVD-V
--

Discs that can be played

DVD-Audio DVD-A DVD-V DVD-V Some DVD-Audio discs contain DVD-Video content. Video CD VCD Including SVCD (Conforming to IEC62107). DVD-RAM DVD-VR MP3 JPEG MPEG4 DivX
1

DVD-VR Recorded with devices using Version 1.1 of the Video Recording Format (a unified video recording standard), such as DVD video recorders, DVD video cameras, personal computers, etc. JPEG Recorded with Panasonic SD multi cameras or DVD video recorders using the DCF (Design rule for Camera File System) Standard Version 1.0. MPEG4 Recorded with Panasonic SD multi cameras or DVD video recorders [conforming to SD VIDEO

specifications (ASF standard)/MPEG4 (Simple Profile) video system/G.726 audio system]. DVD-R (DVD-Video) 2 / DVD-RW (DVD-Video) DVD-V Discs recorded and finalized 3 on DVD video recorders or DVD video cameras. DVD-R (VR) 2 / DVD-RW (VR) DVD-VR Discs recorded and finalized 3 on DVD video recorders or DVD video cameras using Version 1.1 (or 1.2 DVD-R DL only) of the Video Recording Format (a unified video recording standard). DVD-R / DVD-RW MP3 JPEG MPEG4 DivX 1
DL

Finalize 3 the disc after recording. +R (Video) 2 / +RW (Video) DVD-V Discs recorded and finalized 3 on DVD video recorders or DVD video cameras. CD CD WMA MP3 JPEG VCD MPEG4 DivX This unit can play CD-R/RW recorded with the above formats. Close the sessions or finalize 3 the disc after recording. CD This unit is compatible with HDCD, but does not support the Peak Extend function (a function which expands the dynamic range of high-level signals). HDCD-encoded CDs sound better because they are encoded with 20 bits, as compared with 16 bits for all other CDs. WMA MP3 JPEG This unit also plays HighMAT discs.
WMA This unit does not support Multiple Bit Rate (MBR: an encoding process for audio content that produces an
1

--

audio file encoded at several different bit rates). Functions added with DivX Ultra are not supported. 2 Includes single-sided, dual-layer discs. 3 A process that allows play on compatible equipment. It may not be possible to play all the above-mentioned discs in some cases due to the type of disc or condition of the recording.
1

Discs that cannot be played
DVD-RW version 1.0, DVD-ROM, CD-ROM, CDV, CD-G, SACD, DivX Video Discs and Photo CD, DVD-RAM that cannot be removed from their cartridge, 2.6-GB and 5.2-GB DVD-RAM, and "Chaoji VCD" available on the market including CVD, DVCD and SVCD that do not conform to IEC62107.

Video systems
This unit can play PAL and NTSC, but your television must match the system used on the disc. PAL discs cannot be correctly viewed on an NTSC television. This unit can convert NTSC signals to PAL 60 for viewing on a PAL television.

To clean discs
Wipe with a damp cloth and then wipe dry.

Clean this unit with a soft, dry cloth.
Never use alcohol, paint thinner or benzine to clean this unit. Before using chemically treated cloth, carefully read the instructions that came with the cloth.

Disc handling precautions
Do not attach labels or stickers to discs. This may cause disc warping, rendering it unusable. Do not write on the label side with a ball-point pen or other writing instrument. Do not use record cleaning sprays, benzine, thinner, liquids which prevent static electricity, or any other solvent. Do not use scratch-proof protectors or covers. Do not use the following discs: Discs with exposed adhesive from removed stickers or labels (rented discs, etc). Discs that are badly warped or cracked. Irregularly shaped discs, such as heart shapes.

Do not use commercially available lens cleaners as they may
cause malfunction. Cleaning of the lens is generally not neccessary although this depends on the operating environment.

Before moving the unit, ensure the disc trays are empty.
Failure to do so will risk severely damaging the disc and the unit.

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8.3.2.

File Extension Type Support (WMA/JPEG/MP3)

8.4.

About DivX VOD Content

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9 Self-Diagnosis and special mode setting
9.1. Service Mode Summary Table
The service modes can be activated by pressing various button combination on the player and remote control unit. Below is the summary of major checking:
Player buttons STOP Remote control unit buttons 0 Note (Refer to the section, "9.3 DVD Self Diagnostic Function-Error Code"). Jitter checking (Refer to the section "9.2 Service Mode Table 1 for more information"). Region display and mode (Refer to the section "9.2 Service Mode Table 1 for Micro-processor firmware version check more information"). DVD laser drive current check (Refer to the item "9.2.1. Optical Pick-up SelfCD laser drive current check Writing of laser drive current value after replacement of optical Diagnosis"). pickup (Do use this function only when optical pickup is replaced.) Initialization of the player (factory setting is restored.) (Refer to the section "9.2 Used after replacement of micro-computer, FLASH ROM IC, Service Mode Table 1 for EEPROM and HDMI module. more information"). DVD module reset (Refer to the section "9.2 Service Mode Table 1 for more information"). Error code display Application

5

6 7 FUNCTIONS 3 PAUSE

ENTER

9.2.

Service Mode Table 1

By pressing various button combinations on the player and remote control unit can activate the various service modes for checking. Special Note: Due to the limitations of the no. characters that can be shown on FL Display, the "FL Display" button on the remote control uni is used to show the following page. (Display 1/Display 2).

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Item Mode Name Jitter check Description Jitter check Jitter rate is measured and displayed. Measurement is repeatedly done in the cycle of one second. Read error counter starts from zero upon mode setting. When target block data failed to be read out, the counter advances by one increment. When the failure is caused by minor error, it may be corrected when retried to enable successful reading. In this case, the counter advances by one. When the error persists even after retry, the counter may jump by two or more. Error code check The latest error code stored in the EEPROM IC is displayed.

FL Display

Key Operation Front Key In STOP (no disc) mode, press STOP button on the player, and "5" button on the remote control unit. Press STOP or OPEN button to exit. Press "FL Display" on remote control unit for next page (FL Display).

Jitter rate Jitter check mode Jitter rate is shown in decimal notation to one place of decimal. Focus drive value is shown in hexadecimal notation.

Error code check

Error code (play_err) is expressed in the following convention. Error code = 0 x DAXX is expressed: DVDnn UXX Error code = 0 x DBXX is expressed: DVDnn HXX Error code = 0 x DXXX is expressed: DVDnn FXXX Error code = 0 x 0000 is expressed: DVDnn F--* "xx" denotes the error code Initial setting of laser drive current Initial setting of laser drive current. Initial current value for each of DVD laser and CD laser is separately saved in the EEPROM IC. Laser current measurement mode The value denotes the current in decimal notation. The above example shows the initial current is 34mA and 28mA for DVD laser and CD laser respectively when the laser is switched on. DVD laser drive current measurement DVD laser drive current measurement ·DVD laser drive current is measured and the result is displayed together with the initial value stored in the EEPROM IC. After the measurement, DVD laser emission is kept on. It is turned off when POWER key is switched off. (It is also turned off when POWER button on the player is switched off.) ADSC internal RAM data check ·ADSC internal RAM data is read out and displayed. RAM data for specified address The value is shown in hexadecimal notation. The above example shows the data in ADSC address OFAh is 6901h. Address CD laser drive current measurement CD laser drive current measurement CD laser drive current is measured and the result is displayed together with the initial value stored in the EEPROM IC. After the measurement, CD laser emission is kept on. It is turned off when POWER key is switched off. (It is also turned off when POWER button on the player is switched off.)

In STOP (no disc) mode, press STOP button on the player, and "0" button on the remote control unit. * With pointing of cursor up and down on display. Cancelled automatically 5 seconds later. To exit, press [POWER] button on main unit or remote control. In STOP (no disc) mode, press STOP button on the player, and PAUSE button on the remote control unit. Cancelled automatically 5 seconds later. Press "FL Display" on remote control unit for next page (FL Display) on values of laser drive current.

DVD laser current measurement mode The value denotes the current in decimal notation. The above example shows the initial current is 34mA and the measured value is 32mA.

In STOP (no disc) mode, press STOP button on the player, and FUNCTIONS button on the remote control unit. Cancelled automatically 5 seconds later. Press "FL Display" on remote control unit for next page (FL Display) on values of dvd drive current. In STOP (no disc) mode, press STOP button on the player, and "1" button on the remote control unit. Press STOP or PLAY button.

ADSC internal RAM data check

CD laser current measurement mode The value denotes the current in decimal notation. The above example shows the initial current is 28mA and the measured value is 26mA.

In STOP (no disc) mode, press STOP button on the player, and "3" button on the remote control unit. Cancelled automatically 5 seconds later. Press "FL Display" on remote control unit for next page. (FL Display)

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Item Mode Name Micro-processor firmware version display & EEPROM checksum display. Description Micro-processor firmware version display & EEPROM checksum display. EEPROM checksum is only available due to existence of EEPROM IC. (NO: NO EEPROM IC)

FL Display

Key Operation Front Key In STOP (no disc) mode, press STOP button on the player, and "7" button on the remote control unit. Cancelled automatically 5 seconds later. Press "FL Display" button on remote control unit for next page. (FL Display) In STOP (no disc) mode, press STOP button on the player , and 10 button on the remote control unit. In STOP (no disc) mode, press STOP button on the player, and "6" button on the remote control unit. Cancelled automatically 5 seconds later.

Existence of EEPROM Initialization Initialization User settings are cancelled and player is initialized to factory setting.

Region display

Region display & mode

Panel controller jumper information N: NTSC / 6: PAL60 N: noPAL / P: PAL Region No. DVD module firmware version display DVD module firmware version is displayed on the FL Display. System controller version Destination System controller generation

In STOP (no disc) mode, press STOP button on the player, and "8" button on the remote control unit. Cancelled automatically 5 seconds later.

Region Communication error display Displays frequency of communication errors between system control IC and mechanism control IC during DVD module.

In STOP (no disc) mode, press STOP button on the player, and "MENU" button on the remote control unit. Cancelled automatically 5 seconds later. While in initialization mode, press & hold STOP button on player, follow by "ENTER" button on the remote control unit. Cancelled automatically 5 seconds later.

DVD Module Reset

To reset DVD Module.

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Item Mode Name Timer 1 check Description Timer 1 check Laser operation timer Operation time is measured separately for DVD laser and CD laser. Press "FL Display" button for next page of FL Display

FL Display

Key Operation Front Key In STOP (no disc) mode, press STOP button on the player, and " " button on the remote control unit. Cancelled automatically 5 seconds later.

Shown to the left is DVD laser time, and to the right CD laser time. Time is shown in 4 digits of decimal notation in a unit of 10 hours. "0000" will follow "9999". T10000/0000 (display1/display2)

Timer 1 reset

Timer 1 reset Laser operation timer Operation time of both DVD laser and CD laser is reset all at once.

While displaying Timer 1 data, press STOP button on the player, and " " button on the remote control unit. Cancelled automatically 5 seconds later. In STOP (no disc) mode, press STOP button on the player, and " " button on the remote control unit. Cancelled automatically 5 seconds later. While displaying Timer 2 data, press STOP button on the player, and " " button on the remote control unit. Cancelled automatically 5 seconds later.

Timer 2 check

Timer 2 check Spindle motor operation timer Press "FL Display" button for next page of FL Display

Time is shown in 5 digits of decimal notation in a unit of 10 hours. "00000" will follow "99999". T200000

Timer 2 reset

Timer 2 reset Spindle motor operation timer Press "FL Display" button for next page of FL Display

9.2.1.

Optical Pick-up Self-Diagnosis

The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing the optical pickup when "NO DISC" is displayed. As a guideline, you should replace the optical pickup when the value of the laser drive current is more than 55. Note: Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise, the result will be incorrect.)

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9.3.
Error Code U11

DVD Self Diagnostic Function-Error Code
Diagnosis Contents Focus servo error Description of error Focus coil NG (OPU unit abnormal) Automatic FL Display Remarks Press [ n STOP] on main unit for next error.

H01

Tray loading error / abnormality

The tray is not able to open

Press [ n STOP] on main unit for next error

H02

Spindle servo error, DSC disc motor error

(Spindle servo, DSC (IC8251) Spindle motor, CLV servo error)

Press [ n STOP] on main unit for next error

H03

Traverse motor error

(Traverse motor, IC8251)

Press [ n STOP] on main unit for next error

H04

Tracking servo error

Tracking coil NG (OPU unit abmormal)

Press [ n STOP] on main unit for next error

H05

Seek timeout error

Timeout of unit when seeking time is reached

Press [ n STOP] on main unit for next error

H15

Disc tray open detection switch (S9001) failure

The disc tray cannot be opened: it closes spontaneously

Press [ n STOP] on main unit for next error

H16

Disc tray close detection switch (S9001) failure

The disc tray cannot be closed: it opens spontaneously

Press [ n STOP] on main unit for next error

F61

Power digital amp IC op & Upon power-on DC output voltage DCDET=Low abnormal.

PCONT=High,

Press [ n STOP] on main unit for next error

F76

Power digital amp IC op & Speaker Jack shorted or amp circuit DC output voltage abnormal. DSC error DSC (IC8251) stops in the occurrence of servo error (startup, focus error, etc.)

Press [ n STOP] on main unit for next error

F500

Press [ n STOP] on main unit for next error

F501

DSC not Ready error

DSC-system computer communication error (Communication failure caused by idling of DSC) Similar as F500

Press [ n STOP] on main unit for next error

F502

DSC Time out error

Press [ n STOP] on main unit for next error

F503

DSC communication Failure

Communication error (result error occurred although communication command was sent)

Press [ n STOP] on main unit for next error

F504

Abnormal adjusting DSC data slice offset

Press [ n STOP] on main unit for next error

F505

DSC Attention error

Similar as F500

Press [ n STOP] on main unit for next error

F506

Invalid media

Disc is flipped over, TOC unreadable, incompatible disc media

Press [ n STOP] on main unit for next error

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Error Code F600

Diagnosis Contents Access failure to management information caused by demodulation error Indeterminate sector ID requested

Description of error Operation stopped because navigation data is not accessible caused by the demodulation defect Operation stopped caused by the request to access abnormal ID data

Automatic FL Display

Remarks Press [ n STOP] on main unit for next error

F601

Press [ n STOP] on main unit for next error

F602

Access failure to LEAD-IN LEAD IN data unreadable caused by demodulation error Access failure to KEYDET Access failure to CSS data of disc caused by demodulation error ODC abnormality No permission for command execution

Press [ n STOP] on main unit for next error

F603

Press [ n STOP] on main unit for next error

F610

Press [ n STOP] on main unit for next error

F611

No CRC OK for a specific Access failure to seek address in CD time (CD) series

Press [ n STOP] on main unit for next error

F612

No CRC OK for a specific Access failure to ID data in DVD series time (DVD)

Press [ n STOP] on main unit for next error

F620

Laser safeguard: high temperature condition

High temperature of the laser guide unit (OPU unit)

Press [ n STOP] on main unit for next error

F621

Laser safeguard: circuit failure condition

Circuitry failure of the laser guide unit (OPU unit)

Press [ n STOP] on main unit for next error

F103

Illegal highlight Position

Big possibility of disc specification violation during highlight display

Press [ n STOP] on main unit for next error

F4FF

Force initialize failure (time Timeout when force initialization fails out)

Press [ n STOP] on main unit for next error

F700

MBX overflow

When replying message to disc manager

Press [ n STOP] on main unit for next error

F701

Message command does not end

Next message is sent before replying to disc manager

Press [ n STOP] on main unit for next error

F702

Message command changes

Message is changed before it is sent as a reply to disc manager

Press [ n STOP] on main unit for next error

F880

Task number is not appropriate

Message coming from a non-existing task

Press [ n STOP] on main unit for next error

F890

Sending message when message is being sent to AV task

Sending message to AV task

Press [ n STOP] on main unit for next error

F891

Message couldn't be sent Begin sending message to AV task to AV task

Press [ n STOP] on main unit for next error

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Error Code F893

Diagnosis Contents FLASH ROM IC problem

Description of error FLASH ROM IC installed is not operating properly (Neccessary replacement of FLASH ROM IC) or firmware problem EEPROM IC installed is not operating in normal condition (EEPROM contains neccessary data)

Automatic FL Display

Remarks Press [ n STOP] on main unit for next error

F894

EEPROM abnormality

Press [ n STOP] on main unit for next error

F895

Region setting abnormality Firm version agreement check for factory preset setting failure prevention. Check region setting & re-initialize No existence model Firm version agreement check for factory preset setting failure prevention

Press [ n STOP] on main unit for next error

F896

Press [ n STOP] on main unit for next error

F897

Initialize is not completed

Initialize completion check for factory preset setting failure prevention

Press [ n STOP] on main unit for next error

F898

Disagreement of hardware Unsuitable combination of AV and software DECORDER, SDRAM and FLASH ROM (firmware) Message command is not Begin sending message to AV task appropriate

Press [ n STOP] on main unit for next error

F8A0

Press [ n STOP] on main unit for next error

Note: An error code will be canceled if a power supply is turned OFF. *1: CPPM is the copy guard function beforehand written in the disk for protection of copyrights. *2: CEC is the consumer electronic control used for high-level user control of HDMI-connected devices. *3: HDCP is the specification developed to control digital audio & video contents transmission for DVI or HDMI connections.

9.4.

Sales Demonstration Lock Function

This function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function. "LOCKED" is displayed on the unit, and ordinary operation is disabled.

9.4.1.

Setting

· Prohibiting removal of disc 1. Select the DVD/CD function. 2. Press and hold down the button and the power button on the player for at least three seconds. (The message, "___LOCKED_" appears when the function is activated.) Note: OPEN/CLOSE , DISC CHECK and DISC CHANGE buttons are invalid and the player displays "___LOCKED_" while the lock function mode is entered. · Prohibiting operation of selector and disk 1. Select the DVD/CD function. 2. Press and hold down the button and the power button on the player for at least three seconds. (The message, "___LOCKED_" appears when the function is activated.) Note: The following buttons are invalid and the player displays "___LOCKED_" while the lock function mode is entered.
Player , , , SELECTOR, , , VOLUME KNOB, DISC CHECK, DISC CHANGE, DISC1-DISC5 Remote SLEEP, REPEAT, 0~9, , RETURN, TOP MENU, , , , , , , controller unit POSITION MEMORY, TUNER/BAND, D.MIX, CH SELECT/ TEST, SET UP/ MUTING, DISPLAY, GROUP, TV, VCR/ AUX, QUICK REPLAY, SUBTITLE, FL DISPLAY, CH & VOLUME

9.4.2.

Cancellation

The lock can be cancelled by the same procedure as used in setting. ("UNLOCK" is displayed on cancellation. Disconnecting the

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power cable from power outlet does not cancel the lock.)

9.5.
9.5.1.

Service Precautions
Recovery after the DVD player is repaired

· When the IC or HDMI module P.C.B. is replaced, carry out the recovery processing to optimize the drive. Playback the recovery disk to process the recovery automatically. · Recovery disc (Product number: RFKZD03R005) · Performing recovery process 1. Load the recovery disc RFKZD03R005 on to the player and run it. 2. Recovery is performed automatically. When it is finished, a message appears on the screen. 3. Remove the recovery disc. 4. Turn off the power. 5. Initialize the player.

9.5.2.

Firmware version-up of the DVD player

· The firmware of the DVD player may be renewed to improve the quality including operability and playability to the substandard discs.processing to optimize the drive. The recovery disc has also firmware version-up. · After version-up, recovery processing is executed automatically. · Part number of the recovery disc for version-up will be noticed when it is supplied. · Updating firmware 1. Load the recovery disc on to the player and run it. 2. Firmware version of the player is automatically checked. Appropriate message appears whenever necessary. 3. Using remote controller´s cursor key, select whether version updating is to be done or not. (Selection of Yes/No) 4. a. If Yes is selected, version updating is performed. b. If No is selected, only recovery is performed. 5. a. When updating is finished, remove the disc according to the message appearing on the screen. b. Remove the disc according to the message appearing on the screen. 6. Turn off the power. Note: If the AC power supply is shut out during version-up due to a power failure, the version-up is improperly carried out. In such a case, replace the FLASH ROM IC and carry out the version-up again.

9.5.3.

DVD Module Reset

· When after replacing Flash Rom IC or the DVD Module P.C.B., FL displays error code " DVD F897". This means the unit is not initialized properly and the following process needs to be carry out. · Procedures: 1. Press on remote control while pressing "STOP" button on main unit. 2. FL display show " INIT" 3. While still pressing "STOP" button on main unit, press "ENTER" on remote control. 4. FL will display "DVD RESET" before FL display will change to TOC reading again. 5. Power off unit. Unplug the AC cord. 6. Power on the unit. It should be no problem. If problem persist check on the DVD module P.C.B. or FLASH ROM IC.

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10 Assembling and Disassembling
"ATTENTION SERVICER" Be careful when disassembling and servicing. Some chassis components may have sharp edges. Special Note: 1. This section describes the disassembly procedures for all the major printed circuit boards and main components. 2. Before the disassembly process was carried out, do take special note that all safety precautions are to be carried out. (Ensure that no AC power supply is connected during disassembling.) 3. For assembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required. 4. The Switch Regulator IC may have high temperature after prolonged use. Use caution when removing the top cabinet and avoid touching heat sinks located in the unit. 5. Select items from the following index when checks or replacement are required. · Disassembliy of Top Cabinet · Disassembly of DVD Lid (When taking out disc manually) · Disassembly of Front Panel · Disassembly of Music Port P.C.B., FL P.C.B. & Top Button P.C.B. · Disassembly of Mechanism Unit · Disassembly of DVD Module P.C.B. · Disassembly of Rear panel · Disassembly of Scart P.C.B. · Disassembly of Main P.C.B. & AC-Inlet P.C.B. · Disassembly of Digital Amp IC · Disassembly of Digital Amp IC(IC5400) · Disassembly of Regulator IC · Disassembly of Switch Regulator IC(IC5701)

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10.1. Disassembly Flow Chart

10.2. Main Components and P.C.B. Locations

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10.3. Disassembly of Top Cabinet
Step 1 Remove 4 screws.

Step 2 Remove 3 screws. (Rear view) Step 3 Lift up and remove the top cabinet.

10.4. Disassembly of the DVD Lid (When taking out disc manually)
Step 1 Detach the gear for drawing out tray from the mechanism unit. It inserts a screw driver in the gear. (The gear jig) Step 2 Insert the gear jig into the tray open/ close hole. Step 3 Turn the gear jig counterclockwise to open the tray. Note : Do not use force to push the tray backwards as it can damage the mechanism unit. Step 4 Turn the gear jig clockwise to return tray.

10.5. Disassembly of Front Panel Assembly
· Follow the Item 10.3. Step 1 Remove the DVD lid. Step 2 Detach FFC cables at connectors. (CN2006, CN2007) Step 3 Remove 1 screw.

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· Disassembly of Music Port P.C.B. Step 3 Remove 2 screws. Step 4 Remove the front angle. Step 5 Remove Music Port P.C.B. · Disassembly of Top Button P.C.B. Step 6 Remove 1 screw and the panel angle. Step 4 Release the tabs.

Step 7 Remove 6 screws. Step 8 Remove FL P.C.B. &/or Top Button P.C.B.

Step 5 Detach the front panel assembly. Special Note: Avoid placing the set in a position that might cause damage to the jacks when removing the front panel assembly.

10.6. Disassembly of Music Port P.C.B, FL P.C.B. & Top Button P.C.B.
· Follow the Item 10.5. Step 1 Remove DVD lid. Step 2 Remove the volume knob.

10.7. Disassembly of DVD Mechanism Unit
· Follow the Item 10.3. · Follow (Step 1) of Item 10.5. Step 1 Remove 2 screws. Step 2 Detach FFC cables at connectors. (CN2004, CN2001). Step 3 Lift up the mechanism unit vertically to remove it.

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10.9. Disassembly of Rear panel
· Follow the Item 10.3. Step 1 Remove 9 screws. Step 2 Detach connector(CN5704) at fan unit. Step 3 Release the tabs. Step 4 Remove the rear panel.

10.8. Disassembly of DVD Module P.C.B.
· Follow the Item 10.7. Step 1 Remove 4 screws. Step 2 Detach FFC cables at the connectors.(FP8251, FP8531)

10.10. Disassembly of Scart P.C.B.
· Follow the Item 10.3. · Follow the Item 10.9. Step 1 Detach FFC cable at connector. (CN2008) Step 2 Remove Scart P.C.B.

10.11. Disassembly of Main P.C.B.
· Follow the Item 10.7. · Follow the (Step 1) of Item 10.10. Step 1 Remove 5 screws. Caution: Do not apply or exert excessive force when detaching the FFC cables. Step 2 Lift up and remove Main P.C.B.

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10.12. Disassembly of Digital Amp IC
· Follow (Step 1) to (Step 2) of Item 10.11. Step 1 Desolder all IC5000, IC5200, IC5300 pins. Step 2 Release the claws. Step 3 Remove the D. Amp IC (IC5400). Note: Refer to the diagrams of Power P.C.B. (Section 19.2) for location of the parts.

10.14. Disassembly of Regulator IC
· Follow (Step 1) to (Step 2) of Item 10.11. Step 1 Desolder all pins of D5711, D5716, D5717, D5718. Step 2 Desolder 2 pins of Regulator IC. Step 3 Remove the Regulator IC.

Note: Refer to the diagrams of Power P.C.B. (Section 19.2) for location of the parts.

10.13. Disassembly of Digital Amp IC (IC5400)
· Follow (Step 1) to (Step 2) of Item 10.11. Step 1 Desolder all pins of IC5400. Step 2 Desolder 2 pins of Heat Sink B. Step 3 Remove the Digital Amp IC (IC5400). Note: Refer to the diagrams of Power P.C.B. (Section 19.2) for location of the parts.

10.15. Disassembly of Switch Regulator IC (IC5701)
· Follow (Step 1) to (Step 2) of Item 10.11. Step 1 Desolder all pins of IC5701. Step 2 Desolder 2 pins of Switch Regulator IC. Step 3 Remove the Switch Regulator IC.

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Note: Refer to the diagrams of Power P.C.B. (Section 19.2) for location of the parts. Caution: Be careful when removing the Switch Regulator IC which has high temperature after prolonged use.

10.16. Service Position
10.16.1. Servicing position of the DVD Module P.C.B.
· Follow the Item 10.7. · Follow the (Step 1) of Item 10.8. · Follow the (Step 1) - (Step 2) of Item 10.9. Step 1 Connect FFC cables at connectors. (CN2006, CN2007) Step 2 Turn Mechanism unit to vertically position.

10.16.2. Servicing position of the Main P.C.B.
· Follow the Item 10.7. · Follow the (Step 1) of Item 10.8. · Follow the (Step 1) - (Step 2) of Item 10.9. Step 1 Connect FFC cables at connectors. (CN2006 & CN2007) Step 2 Turn Main P.C.B to vertically position.

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11 Assembly and disassembly of Mechanism Unit
11.1. Disassembly Procedure

Step 4 Remove the traverse unit.

11.1.1. Disassembly of Traverse Unit
Step 1 Slide the lever (A) in the arrow direction (to the opposite side) till it stops. Step 2 Slide the lever (A) further by bending the tab at the right side of the lever A in the right direction. (The right groove opens and the boss becomes seen.) Step 3 Open the lever (B) to left. (The 2 grooves at the left side open.).

11.1.2. Disassembly of Tray Unit
Step 1 Slide the guide tray unit while pressing the stopper in the arrow direction, and remove the guide tray unit.

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Step 2 Raise the loading unit. Step 3 Slide the lever in the arrow direction till it stops and pull the tray out.

l(Assembling the tray unit) Step 1 Insert a part of the tray into the unit sliding over the groove on the mechanical chassis unit. Step 2 Insert the tray to the point before the tab of the mechanical chassis unit.

Step 4 Spread the tabs at the both sides and pull the tray out. (The tray slides a little forword and stops.). Step 3 Hook the drive arm concave phase over the tray and the tray slider. Step 4 Press in the tray. Step 5 Make sure that the tray and the drive arm move smoothly.

Step 5 Remove the drive arm concave phase from the tray slider and tray.

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Step 4 Remove the belt.

11.1.3. Disassembly of Loading section
Step 1 Spread the tabs at the both sides and push out the drive arm shaft.

Step 5 Unlock the tab and remove the pulley. Step 6 Remove the relay gear.

Step 7 Turn the change lever in the arrow direction till it stops. Step 8 Hook the change lever spring on the change lever project part temporarily.

Step 2 Hook the lock lever spring on the lock lever projection part temporarly. Step 3 Unlock the tab and remove the lock lever.

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Step 9 Pull the lever (B) in the bottom side to your side and remove the change lever.

11.1.5. Disassembly of Optical Pickup Unit
Special Note: Anti-static measures are necessary due to handling of OPU unit . Step 1 Spread the tabs to push in the pin.

Step 10 Remove the drive rack, the sub rack and the drive gear. Step 2 Remove 4 pins.

11.1.4. Disassembly of Tray Loading P.C.B.
Step 1 Remove 3 screws Step 3 Remove the middle chassis.

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SA-HT990E / SA-HT990EB / SA-HT990EG

Step 7 Remove 1 screw. Step 8 Slide the shaft in the arrow direction.

Step 4 Remove the optical pickup unit in the arrow direction till it stops.

Step 9 Lift the optical pickup unit with the shaft.

Step 5 Remove 2 screws.

Step 10 Remove the optical pickup unit.

Step 6 Remove the drive rack.

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SA-HT990E / SA-HT990EB / SA-HT990EG

(Assembling the optical pickup unit) Step 1 Pass the intermediate FPC through the frame hole. Step 2 Align the guide section of the optical pickup unit with the rail. Step 3 Install the shaft top to the holder.

Step 11 Pull the shaft and the rubber out.

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12 Measurements and Adjustments
12.1. Service Tools and Equipment
Application Tilt adjustment Name DVD test disc TORX screw driver (T6) Others Confirmation Grease CD test disc VCD test disc Recovery disc Number DVDT-S20 [SPG] Available on sales route. (T6) or RFKZ0185 [SPG] RFKXPG641 [SPG] PVCD-K06 or any other commercially available disc PVCD-K06 or any other commercially available disc RFKZD03R005 [SPG]

12.2. Important points in adjustment
12.2.1. Important points in optical adjustment
· Before starting optical adjustment, be sure to take anti-static measures. · Optical pickup tilt adjustment is needed after replacement of the following components. 1. Optical pickup unit 2. Spindle motor unit 3. Optical pickup peripheral parts Notes Adjustment is generally unnecessary after replacing other parts of the traverse unit. However, make adjustment if there is a noticeable degradation in picture quality. Optical adjustments cannot be made inside the optical pickup. Adjustment is generally unnecessary after replacing the traverse unit.

12.2.2. Important points in electrical adjustment
· Follow the adjustment procedures described in this manual.

12.3. Storing and handling of test discs
· Surface precision is vital for DVD test discs. Be sure to store and handle them carefully. 1. Do not place discs directly onto the workbench, etc., after use. 2. Handle discs carefully in order to maintain their flatness. Place them into their case after use and store them vertically. Store discs in a cool place where they are not exposed to direct sunlight or air from air conditioners. 3. Accurate adjustment will not be possible if the disc is warped when placed on a surface made of glass, etc. If this happens, use a new test disc to make optical adjustments. 4. If adjustment is done using a warped disc, the adjustment will be incorrect and some discs will not be playable.

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12.4. Optical adjustment
12.4.1. Optical pickup tilt adjustment
Measurement point Adjustment point Tangential adjustment screw Tilt adjustment screw Mode Disc T01 (inner periphery) play DVDT-S20 [SPG] T30 (center periphery) T43 (outer periphery) play Adjustment value Adjust to the minimum jitter value.

Measuring equipment None (Main unit display for servicing is used.)

12.4.1.1. Adjustment procedure
1. While pressing STOP button on the main unit, press "5" on the remote control unit. 2. Confirm that "J_xxx/yyy_zz" (display1/display2) is shown on the front display. For your information: "yyy" and "zz" shown to the right have nothing to do with the jitter value. "yyy" is the error counter, while "zz" is the focus drive value. Note: Jitter value appears on the front display. 3. Play test disc T30 (center periphery). 4. Adjust tangential adjustment screw so that the jitter value is minimized. 5. Play test disc T30 (center periphery). 6. Adjust tilt adjustment screw 1 so that the jitter value is minimized. 7. Play test disc T30 (center periphery). 8. Adjust tilt adjustment screw 2 so that the jitter value is minimized. 9. Repeat adjusting tilt adjustment screws 1 and 2 alternately until the jitter value is minimized.

12.4.1.3. Check after adjustment
Play test disc or any other disc to make sure there is no picture degradation in the inner, middle and outer peripheries, and no audio skipping. After adjustment is finished, lock each adjustment screw in position using screw lock.

12.4.1.2. Important points
1. Make tangential adjustment first, and then make tilt adjustment. 2. Repeat adjusting two or three times to find the optimum point. 3. Finish the procedure with tilt adjustment.

12.4.1.4. Procedure for screw lock
1. After adjustment, remove top cover, tray, clamper base and traverse unit in this sequence. 2. Lay the traverse unit upside down, and fix adjustment screw with screw lock. 3. After fixing, reassemble traverse unit, clamper base, tray and top cover.

Jitter value depends on the model: 1. If the jitter value changes like B, the optimum point is easy to find. 2. If the jitter value changes like A, set the optimum point near the middle.

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12.5. Abbreviations
INITIAL/LOGO A A0~UP ACLK AD0~UP ADATA ALE AMUTE AREQ ARF ASI ASO ASYNC B BCK BCKIN BDO BLKCK BOTTOM BYP BYTCK C CAV CBDO CD CDSCK CDSRDATA CDRF CDV CHNDATA CKSL CLV COFTR CPA CPCS CPDT CPUADR CPUADT CPUIRQ CPRD CPWR CS CSYNCIN CSYNCOUT D DACCK DEEMP DEMPH DIG0~UP DIN DMSRCK DMUTE DO DOUT0~UP DRF DRPOUT DREQ DRESP DSC DSLF DVD ABBREVIATIONS ADDRESS AUDIO CLOCK ADDRESS BUS AUDIO PES PACKET DATA ADDRESS LATCH ENABLE AUDIO MUTE AUDIO PES PACKET REQUEST AUDIO RF SERVO AMP INVERTED INPUT SERVO AMP OUTPUT AUDIO WORD DISTINCTION SYNC BIT CLOCK (PCM) BIT CLOCK INPUT BLACK DROP OUT SUB CODE BLOCK CLOCK CAP. FOR BOTTOM HOLD BYPATH BYTE CLOCK CONSTANT ANGULAR VELOCITY CAP. BLACK DROP OUT COMPACT DISC CD SERIAL DATA CLOCK CD SERIAL DATA CD RF (EFM) SIGNAL COMPACT DISC-VIDEO CHANNEL DATA SYSTEM CLOCK SELECT CONSTANT LINEAR VELOCITY CAP. OFF TRACK CPU ADDRESS CPU CHIP SELECT CPU DATA CPU ADDRESS LATCH CPU ADDRESS DATA BUS CPU INTERRUPT REQUEST CPU READ ENABLE CPU WRITE ENABLE CHIP SELECT COMPOSITE SYNC IN COMPOSITE SYNC OUT D/A CONVERTER CLOCK DEEMPHASIS BIT ON/OFF DEEMPHASIS SWITCHING FL DIGIT OUTPUT DATA INPUT DM SERIAL DATA READ CLOCK DIGITAL MUTE CONTROL DROP OUT DATA OUTPUT DATA SLICE RF (BIAS) DROP OUT SIGNAL DATA REQUEST DATA RESPONSE DIGITAL SERVO CONTROLLER DATA SLICE LOOP FILTER DIGITAL VIDEO DISC INITIAL/LOGO E EC ECR ENCSEL ETMCLK ETSCLK FBAL FCLK FE FFI FEO FG FSC FSCK GND HA0~UP HD0~UP HINT HRXW IECOUT IPFRAG IREF ISEL LDON LPC LRCK MA0~UP MCK MCKI MCLK MDATA MDQ0~UP MDQM MLD MPEG ODC OFTR OSCI OSCO OSD P1~UP PCD PCK PDVD PEAK PLLCLK PLLOK PWMCTL PWMDA PWMOA, B ABBREVIATIONS ERROR TORQUE CONTROL ERROR TORQUE CONTROL REFERENCE ENCODER SELECT EXTERNAL M CLOCK (81MHz/40.5MHz) EXTERNAL S CLOCK (54MHz) FOCUS BALANCE FRAME CLOCK FOCUS ERROR FOCUS ERROR AMP INVERTED INPUT FOCUS ERROR AMP OUTPUT FREQUENCY GENERATOR FREQUENCY SUB CARRIER FS (384 OVER SAMPLING) CLOCK COMMON GROUNDING (EARTH) HOST ADDRESS HOST DATA HOST INTERRUPT HOST READ/WRITE IEC958 FORMAT DATA OUTPUT INTERPOLATION FLAG I (CURRENT) REFERENCE INTERFACE MODE SELECT LASER DIODE CONTROL LASER POWER CONTROL L CH/R CH DISTINCTION CLOCK MEMORY ADDRESS MEMORY CLOCK MEMORY CLOCK INPUT MEMORY SERIAL COMMAND CLOCK MEMORY SERIAL COMMAND DATA MEMORY DATA INPUT/OUTPUT MEMORY DATA I/O MASK MEMORY SERIAL COMMAND LOAD MOVING PICTURE EXPERTS GROUP OPTICAL DISC CONTROLLER OFF TRACKING OSCILLATOR INPUT OSCILLATOR OUTPUT ON SCREEN DISPLAY PORT CD TRACKING PHASE DIFFERENCE PLL CLOCK DVD TRACKING PHASE DIFFERENCE CAP. FOR PEAK HOLD CHANNEL PLL CLOCK PLL LOCK PWM OUTPUT CONTROL PULSE WAVE MOTOR DRIVE A PULSE WAVE MOTOR OUT A, B

F

G H

I

L

M

O

P

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INITIAL/LOGO R RE RFENV RFO RS RSEL RST RSV S SBI0, 1 SBO0 SBT0, 1 SCK SCKR SCL SCLK SDA SEG0~UP SELCLK SEN SIN1, 2 SOUT1, 2 SPDI SPDO SPEN SPRCLK SPWCLK SQCK SQCX SRDATA SRMADR SRMDT0~7 SS STAT STCLK STD0~UP STENABLE STSEL STVALID SUBC SBCK SUBQ SYSCLK T TE TIBAL TID TIN TIP TIS TPSN TPSO TPSP TRCRS TRON TRSON

ABBREVIATIONS READ ENABLE RF ENVELOPE RF PHASE DIFFERENCE OUTPUT (CD-ROM) REGISTER SELECT RF POLARITY SELECT RESET RESERVE SERIAL DATA INPUT SERIAL DATA OUTPUT SERIAL CLOCK SERIAL DATA CLOCK AUDIO SERIAL CLOCK RECEIVER SERIAL CLOCK SERIAL CLOCK SERIAL DATA FL SEGMENT OUTPUT SELECT CLOCK SERIAL PORT ENABLE SERIAL DATA IN SERIAL DATA OUT SERIAL PORT DATA INPUT SERIAL PORT DATA OUTPUT SERIAL PORT R/W ENABLE SERIAL PORT READ CLOCK SERIAL PORT WRITE CLOCK SUB CODE Q CLOCK SUB CODE Q DATA READ CLOCK SERIAL DATA SRAM ADDRESS BUS SRAM DATA BUS 0~7 START/STOP STATUS STREAM DATA CLOCK STREAM DATA STREAM DATA INPUT ENABLE STREAM DATA POLARITY SELECT STREAM DATA VALIDITY SUB CODE SERIAL SUB CODE CLOCK SUB CODE Q DATA SYSTEM CLOCK TRACKING ERROR BALANCE CONTROL BALANCE OUTPUT 1 BALANCE INPUT BALANCE INPUT BALANCE OUTPUT 2 OP AMP INPUT OP AMP OUTPUT OP AMP INVERTED INPUT TRACK CROSS SIGNAL TRACKING ON TRAVERSE SERVO ON

INITIAL/LOGO V VBLANK VCC VCDCONT VDD VFB VREF VSS WAIT WDCK WEH WSR X XALE XAREQ XCDROM XCS XCSYNC XDS XHSYNCO XHINT XI XINT XMW XO XRE XSRMCE XSRMOE XSRMWE XVCS XVDS XVSYNCO

W

X

ABBREVIATIONS V BLANKING COLLECTOR POWER SUPPLY VOLTAGE VIDEO CD CONTROL (TRACKING BALANCE) DRAIN POWER SUPPLY VOLTAGE VIDEO FEED BACK VOLTAGE REFERENCE SOURCE POWER SUPPLY VOLTAGE BUS CYCLE WAIT WORD CLOCK WRITE ENABLE HIGH WORD SELECT RECEIVER X´ TAL X ADDRESS LATCH ENABLE X AUDIO DATA REQUEST X CD ROM CHIP SELECT X CHIP SELECT X COMPOSITE SYNC X DATA STROBE X HORIZONTAL SYNC OUTPUT XH INTERRUPT REQUEST X´ TAL OSCILLATOR INPUT X INTERRUPT X MEMORY WRITE ENABLE X´ TAL OSCILLATOR OUTPUT X READ ENABLE X SRAM CHIP ENABLE X SRAM OUTPUT ENABLE X SRAM WRITE ENABLE X V-DEC CHIP SELECT X V-DEC CONTROL BUS STROBE X VERTICAL SYNC OUTPUT

41

SA-HT990E / SA-HT990EB / SA-HT990EG

13 Voltage and Waveform Chart
13.1. DVD Module P.C.B.
Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY Re f No. MODE CD P LAY 1 0.1 21 41 1.3 61 2.2 81 0.1 101 0.1 121 1.5 141 1.7 161 0 181 3.0 201 3.1 221 3.3 241 0.1 1 3.4 21 1.7 41 0.1 1 3.4 1 3.0 1 1.7 21 9.2 1 0 21 2.4 1 3.3 1 3.3 1 0.1 1 0.7 21 2.2 41 1.0 1 3.0 E 0.1 1 0.1 2 0.1 22 1.3 42 0.7 62 2.0 82 0.1 102 3.3 122 0.1 142 1.7 162 1.6 182 0.2 202 2.9 222 0.1 242 1.7 2 3.0 22 0.1 42 3.0 2 2 3.0 2 1.7 22 9.1 2 2.3 22 2.4 2 1.3 2 3.4 2 0.1 2 1.1 22 2.0 42 1.1 2 3.0 Q8551 C 4.6 2 0.1 3 3.4 23 1.1 43 1.2 63 2.4 83 1.3 103 1.0 123 0.5 143 0.1 163 1.7 183 2.8 203 3.1 223 1.7 243 0.2 3 3.4 23 0.1 43 3.4 3 0.1 3 0.1 3 1.7 23 1.8 3 3.0 23 4.9 3 0.1 3 0.1 3 0.1 3 2.3 23 2.5 43 1.8 IC8691 3 0.1 4 0.1 24 1.2 44 0.1 64 2.7 84 3.3 104 0.1 124 0.1 144 1.7 164 0.1 184 3.4 204 3.4 224 3.4 244 1.7 4 3.1 24 0.2 44 3.1 4 4 1.3 4 2.2 24 1.7 4 3.4 24 0 4 0.1 IC8606 4 0.1 4 0.1 4 1.3 24 2.7 44 1.1 4 4.2 5 IC8611 5 3.4 5 1.9 25 2.7 45 1.7 5 4.7 E 0.1 5 0.1 Q8552 C 4.6 6 4.4 B 4.6 E 0 Q8561 E C 1.9 3.5 QR8420 C B 0.1 4.0 6 3.4 6 1.4 26 2.7 46 0.1 7 0.1 7 2.2 27 0.1 47 3.4 8 3.4 8 1.3 28 2.6 48 1.4 1 2.8 B 1.3 E 3.4 2 2.8 IC8695 3 4 0.1 3.9 Q8562 E C 3.5 4.1 QR8571 C B 3.3 0.1 4 3.9 B 4.1 5 4.7 9 1.1 29 0.7 IC8651 10 11 0.1 3.4 IC8651 30 31 1.1 1.3 IC8651 12 3.4 32 1.0 13 3.4 33 1.6 14 3.4 34 1.3 15 35 1.3 16 1.2 36 1.5 17 2.1 37 3.4 18 2.2 38 1.7 19 1.9 39 1.2 20 1.1 40 1.1 5 0.1 25 1.6 45 1.3 65 0.1 85 0.1 105 2.4 125 0.1 145 1.7 165 1.3 185 0.1 205 0.1 225 1.7 245 0.3 5 3.1 25 0.3 45 3.0 5 4.4 5 0.9 5 2.2 25 1.7 5 1.7 25 2.5 6 1.9 26 1.7 6 0.9 26 2.4 7 0.1 27 3.4 7 1.7 27 2.4 8 4.7 28 4.3 8 1.7 28 4.8 IC8601 9 4.9 IC8421 10 11 0 0.9 IC8421 12 0.1 13 0.1 14 0 15 2.4 16 2.4 17 4.9 18 0 19 2.4 20 2.4 9 3.4 IC8251 10 11 0.1 2.4 IC8251 12 2.4 13 2.4 14 2.4 15 4.4 16 4.5 17 5.3 18 3.5 19 0.1 20 3.4 6 0.1 26 1.1 46 1.3 66 3.4 86 0.1 106 1.9 126 1.9 146 3.4 166 1.2 186 0.1 206 3.1 226 0.1 246 1.6 6 0.1 26 1.5 46 0.1 6 7 0.1 27 1.5 47 1.3 67 3.4 87 3.4 107 0.3 127 2.3 147 0.9 167 1.7 187 3.4 207 3.0 227 3.3 247 1.6 7 3.1 27 3.4 47 3.0 7 8 3.4 28 1.3 48 1.5 68 0.1 88 3.4 108 0.1 128 1.7 148 0.9 168 1.7 188 3.4 208 3.0 228 3.3 248 0.1 8 3.3 28 0.1 48 3.2 8 4.7 IC8151 9 0.1 29 1.2 49 1.5 69 3.4 89 3.4 109 1.8 129 2.6 149 0.4 169 0.9 189 0.1 209 3.3 229 3.2 249 0 9 3.4 29 1.6 49 3.4 IC8001 10 11 0.1 0.1 IC8001 30 31 2.5 0.1 IC8001 50 51 2.2 1.3 IC8001 70 71 0.1 0.1 IC8001 90 91 2.0 1.6 IC8001 110 111 3.3 3.3 IC8001 130 131 2.6 2.7 IC8001 150 151 3.4 2.0 IC8001 170 171 0.1 0.1 IC8001 190 191 0.1 0.1 IC8001 210 211 3.1 3.0 IC8001 230 231 0.1 2.0 IC8001 250 251 0.1 0.1 IC8051 10 11 3.0 3.0 IC8051 30 31 1.7 1.7 IC8051 50 51 2.9 2.9 IC8111 12 0.1 32 1.3 52 0.1 72 0.1 92 0.1 112 1.3 132 2.6 152 1.0 172 0.9 192 0.1 212 3.1 232 0.1 252 0.1 12 0.1 32 1.6 52 0.1 13 0.1 33 1.0 53 73 0.1 93 3.4 113 1.9 133 2.7 153 1.0 173 1.7 193 0.1 213 3.0 233 0.1 253 0.1 13 2.9 33 0.1 53 3.0 14 0.1 34 0.1 54 74 0.1 94 0.1 114 1.9 134 2.7 154 2.0 174 0.1 194 0.1 214 3.4 234 1.3 254 0.1 14 3.4 34 0.1 54 0.1 15 0.1 35 3.4 55 3.4 75 0.1 95 0.1 115 1.9 135 2.5 155 0 175 3.4 195 0.1 215 0.1 235 1.7 255 0.1 15 2.7 35 0.1 54 0.1 16 0.1 36 3.3 56 1.1 76 0.1 96 0.1 116 1.7 136 2.6 156 0.4 176 3.0 196 0.1 216 2.9 236 0.1 256 0.1 16 3.3 36 17 3.3 37 3.4 18 3.3 38 1.7 19 3.2 39 2.7 20 2.0 40 17 3.4 37 1.3 57 2.0 77 0.1 97 0.1 117 1.7 137 2.5 157 3.3 177 3.4 197 3.4 217 1.3 237 0.1 18 2.6 38 1.9 58 2.2 78 0.1 98 0.1 118 1.7 138 2.5 158 3.4 178 0.1 198 3.0 218 2.7 238 0.1 19 2.6 39 1.1 59 1.9 79 0.1 99 0.1 119 1.7 139 1.8 159 0 179 3.4 199 3.0 219 2.7 239 3.4 20 0.1 40 1.7 60 1.1 80 0.1 100 0.1 120 2.0 140 2.0 160 3.4 180 0.1 200 2.9 220 2.7 240 1.6

B 0.1 QR8111 4 3 0.1 1.4

42

SA-HT990E / SA-HT990EB / SA-HT990EG

13.2. Main P.C.B.
Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY Re f No. MODE CD P LAY S TANDBY IC2004 1 1 2.5 2.6 1 0.1 0 21 0 0 41 0 0 61 0 0 81 0 0 1 0 0 21 0 0 41 0 2 4.9 4.8 2 2.6 2.6 2 4.7 0 22 4.7 4.8 42 4.6 0 62 4.7 4.9 82 0 0 2 0 0 22 0 0 42 0 0 62 -0.1 -0.1 82 0 0 2 0 0 2 5.2 5.2 2 0 0 2 6.3 6.3 2 6.2 6.2 2 0 0 2 0 0 22 0 0 2 2.5 2.9 Q2003 C 2.2 0.1 2 -4.2 0.6 2 0.6 0.6 Q2804 C 14.0 0 Q2907 C -6.9 -6.9 Q2913 C 11.1 11.2 3 0 0 3 2.7 2.7 3 4.7 0 23 0 0 43 0 0 63 4.7 0 83 0 0 3 0 0 23 0 0 43 0 0 63 0 0 83 0 0 3 0 0 3 0.2 0.2 3 0 0 3 6.4 6.4 3 3.3 3.3 3 0 0 3 0 0 4 0 0 4 2.7 5.1 4 4.7 0.1 24 0 0 44 0.1 0 64 0 0 84 4.7 0 4 0 0 24 0 0 44 0 0 64 0 0 84 0 0 4 -6.2 -6.4 4 7.0 7.0 4 -6.2 -6.4 4 7.0 7.0 4 6.2 6.3 4 -6.3 -6.4 4 2.1 2.1 5 0 0 5 5.1 0 5 0 0 25 0 0 45 0 0 65 0 0 85 0 0 5 0 0 25 0 0 45 0 0 65 4.8 4.8 85 -6.2 -6.4 5 0 0 5 0 0 5 0 0 5 0 0 5 -5.5 -5.5 5 0 0 5 4.7 4.7 25 0 0 5 0 0 E 0 0 5 -4.2 0.6 5 0.6 0.6 E 4.3 0 E -2.2 -2.2 E 3.2 3.2 6 0 0 6 0 0 6 0 0 26 0 0 46 0 0 66 0 0 86 0 0 6 0 0 26 0 0 46 0 0 66 0 0 86 6.3 6.5 6 0 0 6 2.1 2.1 6 0 0 6 0.1 0.1 6 -5.5 -5.5 6 0 0 6 1.6 1.5 26 1.5 1.4 6 2.5 2.5 Q2004 C 0 0 6 0 0 6 0 0 Q2805 C 5.4 0 Q2909 C 4.9 4.8 Q2914 C 3.5 3.2 7 0 0 7 0 2.7 7 4.6 0 27 4.7 0 47 0 0 67 0 0 87 4.7 0 7 0 0 27 0 0 47 0 0 67 5.6 5.6 87 0 0 7 0 0 7 6.3 6.3 7 0 0 7 -5.5 -5.5 7 -6.9 -6.9 7 0 0 7 0 0 27 2.0 1.7 8 8 2.7 0 8 0 0 28 4.7 0 48 0 0 68 4.6 0 88 0 0 8 0 0 28 0 0 48 0 0 68 0 0.1 88 0 0 8 6.2 6.5 8 6.2 6.2 8 6.3 6.5 8 -0.1 -0.1 8 0 0 8 6.3 6.4 8 1.6 1.5 28 0