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Colour Television
Chassis
L06.1E
AA
G_15950_000.eps 050406
Contents
Page
Contents
Page
51-52 54 56 58
1. Technical Specifications, Connections, and Chassis Overview 2 2. Safety Instructions, Warnings, and Notes 5 3. Directions for Use 8 4. Mechanical Instructions 9 5. Service Modes, Error Codes, and Fault Finding 12 6. Block Diagrams, Testpoint Overviews, and Waveforms Wiring Diagram 19 Block Diagram LSP Supply and Deflection 20 Testpoint Overview LSP 21 Block Diagram Video 22 Block Diagram Audio 23 I2C Overview 24 Supply Lines Overview 25 7. Circuit Diagrams and PWB Layouts Diagram LSP: Power Supply (A1) 26 LSP: Deflection (A2) 27 LSP: Class D Audio Amplifier (Res) (A3) 28 LSP: Audio Amplifier (A4) 29 LSP: Tuner IF (Res) (A5) 30 LSP: Interfacing (A6) 31 LSP: SCART I/O (Res) (A7) 32 SSB: Power Supply & Connectivities (B1) 39 SSB: Micro Processor (B2) 40 SSB: Tuner IF & Demodulator (B3) 41 SSB: SVPEX42 (B4) 42 SSB: DDR DRAM & Supply (B5) 43 SSB: HDMI (B6) 44 SSB: Deflection Controller (B7) 45 SSB: Sound Processor (B8) 46 SSB: SCART Analogue I/O (B9) 47 SSB: Y, Pb, Pr, Ext. Input (B10) 48 SSB: ADC (B11) 49
8. 9.
10. 11.
SSB: HDMI Sound Switching (B12) 50 Side I/O Panel (SL6) (D) 53 CRT Panel (F) 55 Front Interface Panel (SL6) (J) 57 Alignments 59 Circuit Descriptions, Abbreviation List, and IC Data Sheets 64 Abbreviation List 65 IC Data Sheets 69 Spare Parts List 70 Revision List 77
PWB 33-38 33-38 33-38 33-38 33-38 33-38 33-38 51-52 51-52 51-52 51-52 51-52 51-52 51-52 51-52 51-52 51-52 51-52
© Copyright 2006 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.
Published by WS 0664 BG CD Customer Service
Printed in the Netherlands
Subject to modification
EN 3122 785 16350
EN 2
1.
L06.1E
Technical Specifications, Connections, and Chassis Overview
1. Technical Specifications, Connections, and Chassis Overview
Index of this chapter: 1.1 Technical Specifications 1.2 Connection Overview 1.3 Chassis Overview Note: Data below can deviate slightly from the actual situation, due to the different set executions.
1.2
Connection Overview
Note: The following connector colour abbreviations are used (acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy= Grey, Rd= Red, Wh= White, and Ye= Yellow.
1.2.1
Front / Side Control
1.1
1.1.1
Technical Specifications
FRONT CONTROL SIDE CONTROL
V+
Vision Display type Screen size Tuning system TV Colour systems Video playback : : : : : : : : : : : : : : : : : : : : CRT, DV, RF 29" (72 cm), 4:3 32" (82 cm), 16:9 PLL PAL B/G, D/K, I SECAM B/G, D/K, L/L' NTSC M/N 3.58, 4.43 PAL B/G SECAM L/L' 100 presets 640x480i - 1fH 720x576i - 1fH 640x480p - 2fH 720x576p - 2fH 1920x1080i - 2fH 1280x720p - 3fH VHF UHF S-band Hyper-band
V-
IR BLUE
P
P
G_16350_041.eps 050406
Presets/channels Supported video formats
Figure 1-1 Front / side control 1.2.2 Rear / Side Connections
Tuner bands
1.1.2
Sound Sound systems : : : : : : FM-mono AM-mono FM-stereo B/G NICAM B/G, D/K, I, L AV Stereo 2 x 10
G_16350_042.eps 070406
Maximum power (WRMS) 1.1.3 Miscellaneous
Figure 1-2 Rear and side connections Power supply: - Mains voltage (VAC) - Mains frequency (Hz) Ambient conditions: - Temperature range (°C) - Maximum humidity Power consumption - Normal operation (W) - Stand-by (W) Dimensions (WxHxD cm) : 220 - 240 : 50 / 60 Cinch: Video CVBS - In, Audio - In Ye - Video CVBS 1 VPP / 75 ohm Wh - Audio L 0.5 VRMS / 10 kohm Rd - Audio R 0.5 VRMS / 10 kohm SVHS (Hosiden): Video Y/C - In 1 - Ground Y Gnd 2 - Ground C Gnd 3 - Video Y 1 VPP / 75 ohm 4 - Video C 0.3 VPPP / 75 ohm Mini Jack: Audio Headphone - Out Bk - Head phone 32 - 600 ohm / 10 mW Service Connector (For IAP Tool) 1 - SDA-S I2C Data (0 - 5 V) 2 - SCL-S I2C Clock (0 - 5 V) 3 - Ground Gnd jq jq jq Aerial - In - - IEC-type (EU)
> >
Coax, 75 ohm
D
: -5 to +40 : 95% R.H.
: 110 (29") : 115 (32") : <1 : 74.0x58.3x48.4 (29") : 86.2x55.4x52.8 (32") : 44 (29") : 50 (32")
H H j j
ot
Weight (kg)
jk j H
Technical Specifications, Connections, and Chassis Overview
EXT1: Video RGB - In, CVBS - In/Out, Audio - In/Out
L06.1E
1.
EN 3
HDMI: Digital Video, Digital Audio - In
19 18 1 2
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20
2
21
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1
Figure 1-5 HDMI (type A) connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 - D2+ - Shield - D2- D1+ - Shield - D1- D0+ - Shield - D0- CLK+ - Shield - CLK- n.c. - n.c. - DDC_SCL - DDC_SDA - Ground - +5V - HPD - Ground Data channel Gnd Data channel Data channel Gnd Data channel Data channel Gnd Data channel Data channel Gnd Data channel j H j j H j j H j j H j j jk H j j H
Figure 1-3 SCART connector 1 2 3 4 5 6 7 8 - Audio R - Audio R - Audio L - Ground Audio - Ground Blue - Audio L - Video Blue/U - Function Select 0.5 VRMS / 1 kohm 0.5 VRMS / 10 kohm 0.5 VRMS / 1 kohm Gnd Gnd 0.5 VRMS / 10 kohm 0.7 VPP / 75 ohm 0 - 2 V: INT 4.5 - 7 V: EXT 16:9 9.5 - 12 V: EXT 4:3 Gnd 0.7 VPP / 75 ohm Gnd Gnd 0.7 VPP / 75 ohm 0 - 0.4 V: INT 1 - 3 V: EXT / 75 ohm Gnd Gnd 1 VPP / 75 ohm 1 VPP / 75 ohm Gnd k j k H H j j j H j H H j j H H k j H
9 10 11 12 13 14 15 16 17 18 19 20 21
- Ground Green - n.c. - Video Green/Y - n.c. - Ground Red - Ground FBL - Video Red/V - Status/FBL - Ground Video - Ground Video - Video CVBS - Video CVBS - Shield
DDC clock DDC data Gnd Hot Plug Detect Gnd
Cinch: Video YPbPr - In Gn - Video Y 1 VPP / 75 ohm Bu - Video Pb 0.7 VPP / 75 ohm Rd - Video Pr 0.7 VPP / 75 ohm Cinch: DVI Audio - In Rd - Audio - R 0.5 VRMS / 10 kohm Wh - Audio - L 0.5 VRMS / 10 kohm Cinch: HD/CVI Audio - In Rd - Audio - R 0.5 VRMS / 10 kohm Wh - Audio - L 0.5 VRMS / 10 kohm Cinch: Audio - Out Rd - Audio - R Wh - Audio - L
jq jq jq
EXT2: Video YC - In, CVBS - In/Out, Audio - In/Out
jq jq
20
2
jq jq
21
E_06532_001.eps 050404
1
0.5 VRMS / 10 kohm 0.5 VRMS / 10 kohm
kq kq
Figure 1-4 SCART connector 1 2 3 4 5 6 7 8 - Audio R - Audio R - Audio L - Ground Audio - Ground Blue - Audio L - C-FRONT - Function Select 0.5 VRMS / 1 kohm 0.5 VRMS / 10 kohm 0.5 VRMS / 1 kohm Gnd Gnd 0.5 VRMS / 10 kohm 0.7 VPP / 75 ohm 0 - 2 V: INT 4.5 - 7 V: EXT 16:9 9.5 - 12 V: EXT 4:3 Gnd 0 - 5 V / 4.7 kohm k j k H H j j j H jk H H j H H k j H
9 10 11 12 13 14 15 16 17 18 19 20 21
- Ground Green - Easylink P50 - n.c. - n.c. - Ground Red - Ground Data -C - n.c. - Ground Video - Ground FBL - Video CVBS - Video CVBS/Y - Shield
Gnd Gnd 0.7 VPP / 75 ohm Gnd Gnd 1 VPP / 75 ohm 1 VPP / 75 ohm Gnd
EN 4 1.3
1.
L06.1E
Technical Specifications, Connections, and Chassis Overview
Chassis Overview
CRT PANEL
F J
FRONT INTERFACE PANEL
E D B
CONTROL PANEL
SIDE I/O PANEL SMALL SIGNAL BOARD
LARGE SIGNAL PANEL
A
G_16350_043.eps 060406
Figure 1-6 PWB location
Safety Instructions, Warnings, and Notes
L06.1E
2.
EN 5
2. Safety Instructions, Warnings, and Notes
Index of this chapter: 2.1 Safety Instructions 2.2 Maintenance Instructions 2.3 Warnings 2.4 Notes 1. Perform the "general repair instruction" noted above. 2. Clean the power supply and deflection circuitry on the chassis. 3. Clean the picture tube panel and the neck of the picture tube.
2.1
Safety Instructions
Safety regulations require the following during a repair: · Connect the set to the Mains/AC Power via an isolation transformer (> 800 VA). · Replace safety components, indicated by the symbol h, only by components identical to the original ones. Any other component substitution (other than original type) may increase risk of fire or electrical shock hazard. · Wear safety goggles when you replace the CRT. Safety regulations require that after a repair, the set must be returned in its original condition. Pay in particular attention to the following points: · General repair instruction: as a strict precaution, we advise you to re-solder the solder connections through which the horizontal deflection current flows. In particular this is valid for the: 1. Pins of the line output transformer (LOT). 2. Fly-back capacitor(s). 3. S-correction capacitor(s). 4. Line output transistor. 5. Pins of the connector with wires to the deflection coil. 6. Other components through which the deflection current flows. Note: This re-soldering is advised to prevent bad connections due to metal fatigue in solder connections, and is therefore only necessary for television sets more than two years old. · Route the wire trees and EHT cable correctly and secure them with the mounted cable clamps. · Check the insulation of the Mains/AC Power lead for external damage. · Check the strain relief of the Mains/AC Power cord for proper function, to prevent the cord from touching the CRT, hot components, or heat sinks. · Check the electrical DC resistance between the Mains/AC Power plug and the secondary side (only for sets that have a Mains/AC Power isolated power supply): 1. Unplug the Mains/AC Power cord and connect a wire between the two pins of the Mains/AC Power plug. 2. Set the Mains/AC Power switch to the "on" position (keep the Mains/AC Power cord unplugged!). 3. Measure the resistance value between the pins of the Mains/AC Power plug and the metal shielding of the tuner or the aerial connection on the set. The reading should be between 4.5 Mohm and 12 Mohm. 4. Switch "off" the set, and remove the wire between the two pins of the Mains/AC Power plug. · Check the cabinet for defects, to prevent touching of any inner parts by the customer.
2.3
Warnings
· In order to prevent damage to ICs and transistors, avoid all high voltage flashovers. In order to prevent damage to the picture tube, use the method shown in figure "Discharge picture tube", to discharge the picture tube. Use a high voltage probe and a multi-meter (position VDC). Discharge until the meter reading is 0 V (after approx. 30 s).
V
E_06532_007.eps 250304
Figure 2-1 Discharge picture tube · All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD w). Careless handling during repair can reduce life drastically. Make sure that, during repair, you are connected with the same potential as the mass of the set by a wristband with resistance. Keep components and tools also at this same potential. Available ESD protection equipment: Complete kit ESD3 (small tablemat, wristband, connection box, extension cable and earth cable) 4822 310 10671. Wristband tester 4822 344 13999. Be careful during measurements in the high voltage section. Never replace modules or other components while the unit is switched "on". When you align the set, use plastic rather than metal tools. This will prevent any short circuits and prevents circuits from becoming unstable.
· · ·
2.4
2.4.1
Notes
General · Measure the voltages and waveforms with regard to the chassis (= tuner) ground (H), or hot ground (I), depending on the tested area of circuitry. The voltages and waveforms shown in the diagrams are indicative. Measure them in the Service Default Mode (see chapter 5) with a colour bar signal and stereo sound (L: 3 kHz, R: 1 kHz unless stated otherwise) and picture carrier at 475.25 MHz for PAL, or 61.25 MHz for NTSC (channel 3). Where necessary, measure the waveforms and voltages with (D) and without (E) aerial signal. Measure the voltages in the power supply section both in normal operation (G) and in stand-by (F). These values are indicated by means of the appropriate symbols. The semiconductors indicated in the circuit diagram and in the parts lists, are interchangeable per position with the
2.2
Maintenance Instructions
We recommend a maintenance inspection carried out by qualified service personnel. The interval depends on the usage conditions: · When a customer uses the set under normal circumstances, for example in a living room, the recommended interval is three to five years. · When a customer uses the set in an environment with higher dust, grease, or moisture levels, for example in a kitchen, the recommended interval is one year. · The maintenance inspection includes the following actions:
·
·
EN 6
2.
L06.1E
Safety Instructions, Warnings, and Notes
2.4.4 Lead-free Solder Philips CE is producing lead-free sets (PBF) from 1.1.2005 onwards. Identification: The bottom line of a type plate gives a 14-digit serial number. Digits 5 and 6 refer to the production year, digits 7 and 8 refer to production week (in example below it is 1991 week 18).
·
semiconductors in the unit, irrespective of the type indication on these semiconductors. Manufactured under license from Dolby Laboratories. "Dolby", "Pro Logic" and the "double-D symbol", are trademarks of Dolby Laboratories.
2.4.2
Schematic Notes · All resistor values are in ohms, and the value multiplier is often used to indicate the decimal point location (e.g. 2K2 indicates 2.2 kohm). Resistor values with no multiplier may be indicated with either an "E" or an "R" (e.g. 220E or 220R indicates 220 ohm). All capacitor values are given in micro-farads (µ= x10-6), nano-farads (n= x10-9), or pico-farads (p= x10-12). Capacitor values may also use the value multiplier as the decimal point indication (e.g. 2p2 indicates 2.2 pF). An "asterisk" (*) indicates component usage varies. Refer to the diversity tables for the correct values. The correct component values are listed in the Spare Parts List. Therefore, always check this list when there is any doubt.
·
· · · ·
E_06532_024.eps 230205
Figure 2-2 Serial number example Regardless of the special lead-free logo (which is not always indicated), one must treat all sets from this date onwards according to the rules as described below.
2.4.3
Rework on BGA (Ball Grid Array) ICs General Although (LF)BGA assembly yields are very high, there may still be a requirement for component rework. By rework, we mean the process of removing the component from the PWB and replacing it with a new component. If an (LF)BGA is removed from a PWB, the solder balls of the component are deformed drastically so the removed (LF)BGA has to be discarded. Device Removal As is the case with any component that is being removed, it is essential when removing an (LF)BGA, that the board, tracks, solder lands, or surrounding components are not damaged. To remove an (LF)BGA, the board must be uniformly heated to a temperature close to the reflow soldering temperature. A uniform temperature reduces the risk of warping the PWB. To do this, we recommend that the board is heated until it is certain that all the joints are molten. Then carefully pull the component off the board with a vacuum nozzle. For the appropriate temperature profiles, see the IC data sheet. Area Preparation When the component has been removed, the vacant IC area must be cleaned before replacing the (LF)BGA. Removing an IC often leaves varying amounts of solder on the mounting lands. This excessive solder can be removed with either a solder sucker or solder wick. The remaining flux can be removed with a brush and cleaning agent. After the board is properly cleaned and inspected, apply flux on the solder lands and on the connection balls of the (LF)BGA. Note: Do not apply solder paste, as this has been shown to result in problems during re-soldering. Device Replacement The last step in the repair process is to solder the new component on the board. Ideally, the (LF)BGA should be aligned under a microscope or magnifying glass. If this is not possible, try to align the (LF)BGA with any board markers. So as not to damage neighbouring components, it may be necessary to reduce some temperatures and times. More Information For more information on how to handle BGA devices, visit this URL: www.atyourservice.ce.philips.com (needs subscription, not available for all regions). After login, select "Magazine", then go to "Repair downloads". Here you will find Information on how to deal with BGA-ICs.
P
b
Figure 2-3 Lead-free logo Due to lead-free technology some rules have to be respected by the workshop during a repair: · Use only lead-free soldering tin Philips SAC305 with order code 0622 149 00106. If lead-free solder paste is required, please contact the manufacturer of your soldering equipment. In general, use of solder paste within workshops should be avoided because paste is not easy to store and to handle. · Use only adequate solder tools applicable for lead-free soldering tin. The solder tool must be able: To reach a solder-tip temperature of at least 400°C. To stabilise the adjusted temperature at the solder-tip. To exchange solder-tips for different applications. · Adjust your solder tool so that a temperature of around 360°C - 380°C is reached and stabilised at the solder joint. Heating time of the solder-joint should not exceed ~ 4 sec. Avoid temperatures above 400°C, otherwise wear-out of tips will increase drastically and flux-fluid will be destroyed. To avoid wear-out of tips, switch "off" unused equipment or reduce heat. · Mix of lead-free soldering tin/parts with leaded soldering tin/parts is possible but PHILIPS recommends strongly to avoid mixed regimes. If this cannot be avoided, carefully clean the solder-joint from old tin and re-solder with new tin. · Use only original spare-parts listed in the Service-Manuals. Not listed standard material (commodities) has to be purchased at external companies. · Special information for lead-free BGA ICs: these ICs will be delivered in so-called "dry-packaging" to protect the IC against moisture. This packaging may only be opened shortly before it is used (soldered). Otherwise the body of the IC gets "wet" inside and during the heating time the structure of the IC will be destroyed due to high (steam-) pressure inside the body. If the packaging was opened before usage, the IC has to be heated up for some hours (around 90°C) for drying (think of ESD-protection!). Do not re-use BGAs at all!
Safety Instructions, Warnings, and Notes
· For sets produced before 1.1.2005, containing leaded soldering tin and components, all needed spare parts will be available till the end of the service period. For the repair of such sets nothing changes.
L06.1E
2.
EN 7
In case of doubt whether the board is lead-free or not (or with mixed technologies), you can use the following method: · Always use the highest temperature to solder, when using SAC305 (see also instructions below). · De-solder thoroughly (clean solder joints to avoid mix of two alloys). Caution: For BGA-ICs, you must use the correct temperatureprofile, which is coupled to the 12NC. For an overview of these profiles, visit the website www.atyourservice.ce.philips.com (needs subscription, but is not available for all regions) You will find this and more technical information within the "Magazine", chapter "Repair downloads". For additional questions please contact your local repair help desk. 2.4.5 Alternative BOM identification In September 2003, Philips CE introduced a change in the way the serial number (or production number, see Figure 2-2) is composed. From this date on, the third digit in the serial number (example: AG2B0335000001) indicates the number of the alternative BOM (Bill of Materials used for producing the specific model of TV set). It is possible that the same TV model on the market is produced with e.g. two different types of displays, coming from two different O.E.M.s. By looking at the third digit of the serial number, the service technician can see if there is more than one type of B.O.M. used in the production of the TV set he is working with. He can then consult the At Your Service Web site, where he can type in the Commercial Type Version Number of the TV set (e.g. 29PT9521/12), after which a screen will appear that gives information about the number of alternative B.O.M.s used. If the third digit of the serial number contains the number 1 (example: AG1B033500001), then there is only one B.O.M. version of the TV set on the market. If the third digit is a 2 (example: AG2B0335000001), then there are two different B.O.M.s. Information about this is important for ordering the correct spare parts! For the third digit, the numbers 1...9 and the characters A...Z can be used, so in total: 9 plus 26 = 35 different B.O.M.s can be indicated by the third digit of the serial number. 2.4.6 Practical Service Precautions · It makes sense to avoid exposure to electrical shock. While some sources are expected to have a possible dangerous impact, others of quite high potential are of limited current and are sometimes held in less regard. Always respect voltages. While some may not be dangerous in themselves, they can cause unexpected reactions that are best avoided. Before reaching into a powered TV set, it is best to test the high voltage insulation. It is easy to do, and is a good service precaution.
·
EN 8
3.
L06.1E
Directions for Use
3. Directions for Use
You can download this information from the following websites: http://www.philips.com/support http://www.p4c.philips.com
Mechanical Instructions
L06.1E
4.
EN 9
4. Mechanical Instructions
Index of this chapter: 4.1 Service Connector (for IAP) 4.2 Set Disassembly 4.3 Service Positions 4.4 Assy / Board Removal 4.5 Set Re-assembly Note: Figures below can deviate slightly from the actual situation, due to the different set executions.
3 2 1 1
2
Bottom tray
4.1
Service Connector (for IAP)
For software uploading with the IAP tool (In Application Programming), it is not necessary to remove EEPROMs from the set. You only have to connect the IAP interface circuit to the service connector (on the rear of the set, and start the software uploading (see also chapter 5 "Service Modes, Error Codes, and Fault Finding").
3
G_16350_044.eps 060406
Figure 4-1 Service position LSP
4.2
Set Disassembly
Follow the disassemble instructions in described order.
1
4.2.1
Rear Cover Removal Warning: disconnect the mains power cord before you remove the rear cover. 1. Remove all the fixation screws of the rear cover. 2. Now the rear cover can be removed.
4.3
Service Positions
Only the LSP of this chassis has a service position for better access to the component side of the LSP. For the SSB, there is no specific service position.
G_16350_045.eps 060406
Figure 4-2 Locking handles LSP Solder Side LSP To get access to the bottom side (solder side) of the LSP, do the following: 1. Remove all the connectors from the LSP. 2. Remove the LSP, still in its plastic bracket, from the chassis, so the bottom side of the LSP can be reached. If necessary, remove the LSP also from its plastic bracket. 4.3.2 Small Signal Board (SSB) There is no service position for the SSB. Most test points are located on the component side. If you have to replace ICs, you must remove the complete SSB module from the TV set (see further down in this chapter: Small Signal Board, SSB).
4.3.1
Large Signal Panel (LSP) Component Side LSP For better accessibility of the LSP, do the following (see Figures "Service position LSP" and "Locking handles LSP"): 1. Simultanuously do the following: a) pull the two plastic locking handles at the mid left and mid right side of the bracket gently backwards to unlock the bracket, and b) loosen the bracket from the bottom tray, by pulling it backwards. N.B.: You do not need to pull the other two locking handles backwards. 2. Remove the LSP-bracket from the bottom tray by lifting it upwards. 3. Hook the bracket in the first row of fixation holes of the bottom tray. In other words, reposition the bracket from [1] to [2].
EN 10 4.4
4.
L06.1E
Mechanical Instructions
4.4.3 Small Signal Board (SSB)
Assy / Board Removal
Sometimes, it can be necessary to swap a complete assy or Printed Wiring Board (PWB). How that can be done is explained below.
4.4.1
Top Control & Side I/O Assy/Panel
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Figure 4-5 SSB removal from chassis
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Figure 4-3 Top control & Side I/O assy/panel 1. Remove the two fixation screws that hold the panel (see Figure "Top control & Side I/O assy/panel"). 2. Pull the board backwards and remove it from the TV set. 3. Remove, if necessary, all the connectors from the board. Figure 4-6 SSB removal from bracket 4.4.2 Mains Switch/LED Panel 1. Release the fixation clamp (see Figure "SSB removal from chassis") by pushing it backwards. 2. Take the complete SSB out. 3. If the board has to be removed, release the two clamps at the sides of the bracket and lift the panel out (see Figure "SSB removal from bracket").
1 1
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2
3 3
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Figure 4-4 Mains Switch / LED panel 1. Release the two fixation clamps [1] by pushing them backwards and upwards (see Figures above). 2. Pull the complete assy backwards [2]. 3. If the board has to be removed, release the two clamps at the sides of the bracket and lift the panel out [3].
Mechanical Instructions
4.4.4 Large Signal Panel (LSP)
L06.1E
4.
EN 11
4.5
Set Re-assembly
To re-assemble the whole set, do all processes in reverse order. Be sure that, before the rear cover is mounted: · The mains cord is postioned correctly in its guiding brackets (make sure that the strain relief will function correctly!). · All wires/cables are returned in their original positions. This is very important, in view of the "hot" and "EHT" areas of the set. · Check if no wires are touching the heat sinks that are on the LSP; this may dammage the cables!
1
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Figure 4-7 LSP locking handles 1. Simultanuously do the following: a. Pull the two plastic locking handles at the mid left and mid right side of the bracket gently backwards to unlock the bracket (see Figure "LSP locking handles"), and b. Loosen the bracket from the bottom tray, by pulling it backwards. N.B.: You do not need to pull the other two locking handles backwards. 2. Remove the LSP-bracket from the bottom tray by lifting it upwards. 3. Remove all cables from the LSP. 4. Remove the board from the bracket by unhooking it from its fixation clamps.
EN 12
5.
L06.1E
Service Modes, Error Codes, and Fault Finding
5. Service Modes, Error Codes, and Fault Finding
Index of this chapter: 5.1 Test Points 5.2 Service Modes 5.3 Problems and Solving Tips Related to CSM 5.4 Service Tools 5.5 Error Codes 5.6 The Blinking LED Procedure 5.7 Software Downloading 5.8 Fault Finding and Repair Tips Timer / Sleep timer. Child / parental lock. Blue mute. Hotel / hospital mode. Auto shut off (when no "IDENT" video signal is received for 15 minutes). Skipping of non-favourite presets / channels. Auto-storage of personal presets. Auto user menu time-out. Auto Volume Levelling (AVL).
5.1
Test Points
This chassis is equipped with test points in the service printing. In the schematics, test points are identified with a rectangle box around Fxxx or Ixxx. These test points are specifically mentioned in the service manual as "half moons" with a dot in the centre. The chassis is equipped with test points (Fxxx) printed on the circuit board assemblies. As most signals are digital, it will be almost impossible to measure waveforms with a standard oscilloscope. Therefore, waveforms are not given in this manual. Perform measurements under the following conditions: · Television set in Service Default Alignment Mode. · Video input: Colour bar signal. · Audio input: 3 kHz left channel, 1 kHz right channel.
How to Enter To enter SDM, use one of the following methods: · Press the following key sequence on the remote control transmitter: "062596" directly followed by the MENU button (do not allow the OSD display to time out between entries while keying the sequence). · Short the SDM contact to mass (see Figure "SDM Service contact") on the TV board and apply AC Power. Remove the short after start-up. Caution: Entering SDM by shorting the "Service" contact to mass will override the software protections. Do this only for a short period. When doing this, the servicetechnician must know exactly what he is doing, as it could damage the television set.
5.2
Service Modes
Service Default mode (SDM) and Service Alignment Mode (SAM) offer several features for the service technician, while the Customer Service Mode (CSM) and the Digital Customer Service Mode (DCSM, only for TVs with digital reception module) are used for communication between the call centre and the customer. This chassis offers the option of using the IAP Tool (In Application Programming), a hardware interface between a computer and the TV chassis, for software uploading to the TV set. See also paragraph "Service Tools: IAP Tool").
SDM
3
5.2.1
Service Default Mode (SDM) Purpose · To create a predefined setting for measurements to be made. · To override software protections. · To start the "Blinking LED Procedure". · To inspect the error buffer. · To check the life timer. Specifications Table 5-1 SDM default settings Default system PAL B/G NTSC M
G_16350_050.eps 060406
Figure 5-1 SDM Service contact (for SDM: short to mass) After entering SDM, the following screen is visible, with SDM in the upper right corner of the screen to indicate that the television is in Service Default Mode.
00025
L06EF1 1.2
ERR 0 0 0 0 0 OP 136 008 006 000 000 002 016
Region Europe, AP-PAL/Multi NAFTA, AP-NTSC, LATAM · · ·
Freq. (MHz) 475.25 61.25 (ch. 3)
m SDM
G_16350_051.eps 060406
All picture settings at 50% (brightness, colour contrast, hue). Bass, treble and balance at 50%; volume at 25%. All service-unfriendly modes (if present) are disabled. The service unfriendly modes are:
Figure 5-2 SDM menu (example)
Service Modes, Error Codes, and Fault Finding
How to Navigate When you press the MENU button on the remote control, the set will switch on the normal user menu in the SDM mode. How to Exit Switch the set to STANDBY by pressing the POWER button on the remote control transmitter. If you turn the television set off by removing the mains (i.e., unplugging the television) or by using the POWER button on the TV set, the television set will remain in SDM when mains is re-applied, and the error buffer is not cleared. 5.2.2 Service Alignment Mode (SAM) Purpose · To change option settings. · To display / clear the error code buffer. · To perform alignments. Specifications · Operation hours counter (maximum five digits displayed). · Software version, Error codes, and Option settings display. · Error buffer clearing. · Option settings. · Software alignments (Tuner, RGB Align, Geometry, and Audio). · NVM Editor. · IAP Mode switching (Compair mode not implemented). How to Enter Press the following key sequence on the remote control transmitter: "062596" directly followed by the OSD/STATUS/ INFO button (do not allow the OSD display to time out between entries while keying the sequence). After entering SAM, the following screen is visible, with SAM in the upper right corner of the screen to indicate that the television is in Service Alignment Mode.
L06.1E
5.
EN 13
3. 4.
5. 6.
X= the Main software version number (updated with a major change that is incompatible with previous versions). Y= the sub software version number (updated with a minor change that is compatible with previous versions). Error Buffer (ERR). Shows all errors detected since the last time the buffer was erased. Five errors possible. Option Bytes (OP). Shows all option settings. See "Options" in the Alignments section for a detailed description. Seven codes are available. See Note below (about other menu items). SAM. Indication of the Service Alignment Mode.
Note: The other menu items (Clear, Options, Tuner, RGB Align, Geometry, Audio, NVM Editor, and Compair) are explained at the end of this chapter, together with the menu structure. See: "SAM Menu structure". How to Navigate · In SAM, select menu items with the CURSOR UP/DOWN keys on the remote control transmitter. The selected item will be highlighted. When not all menu items fit on the screen, use the CURSOR UP/DOWN keys to display the next / previous menu items. · With the CURSOR LEFT/RIGHT keys, it is possible to: Activate the selected menu item. Change the value of the selected menu item. Activate the selected submenu. · In SAM, when you press the MENU button twice, the set will switch to the normal user menus (with the SAM mode still active in the background). To return to the SAM menu press the MENU button again. · When you press the MENU key in while in a submenu, you will return to the previous menu. How to store SAM settings To store the settings changed in SAM mode, leave the top level SAM menu by using the POWER button on the remote control transmitter or the television set. How to exit Switch the set to STANDBY by pressing the POWER button on the remote control transmitter or on the television set.
00020 L06EF1 1.2 ERR 0 0 0 0 0 OP 136 008 006 000 000 002 016 . Clear . Options . Tuner . RGB Align . Geometry . Audio . NVM Editor . ComPair Yes
5.2.3
Customer Service Mode (CSM) Purpose The Customer Service Mode shows error codes and information on the TV's operation settings. The call centre can instruct the customer (by telephone) to enter CSM in order to identify the status of the set. This helps the call centre to diagnose problems and failures in the TV set before making a service call. The CSM is a read-only mode; therefore, modifications are not possible in this mode. How to Enter To enter CSM, press the following key sequence on the remote control transmitter: "123654" (do not allow the OSD display to time out between entries while keying the sequence). Upon entering the Customer Service Mode, the following screen will appear:
m SAM
G_16350_052.eps 060406
Figure 5-3 SAM menu (example) Menu Explanation 1. LLLLL. This represents the run timer. The run timer counts normal operation hours (including "on/off" switching), but does not count stand-by hours. 2. AAA.BC-X.Y. This is the software identification of the Main/Scaler microprocessor: AAA.B = the chassis name. B = the display indicator. C= the region: E= Europe, A= Asia Pacific, U= NAFTA, L= LATAM, G= Global.
EN 14
5.
L06.1E
Service Modes, Error Codes, and Fault Finding
White Line(s) Around Picture Elements and Text
1 00025
L06EF1 1.2
2 CODES 0 0 0 0 0 3 OP 136 008 006 000 000 002 016 4 5 CTN 6 7 PAL 8 DUAL I 9 CO 50 CL 50 BR 50 HU 0 AVL Off 0 m CSM
G_16350_053.eps 060406
If: There are white lines around picture elements and text, Then: 1. Press the MENU button on the remote control transmitter. This brings up the normal user menu (PICTURE is highlighted). 2. Use the CURSOR DOWN key to select SHARPNESS. 3. Press the CURSOR RIGHT key to enter the SHARPNESS adjustment mode. 4. Press the CURSOR UP/DOWN keys to increase or decrease the SHARPNESS value. 5. Press the MENU button on the remote control transmitter twice to exit the user menu. 6. The new PERSONAL preference value is automatically stored. Snowy Picture Check the following: · Antenna not connected. Connect the antenna. · No antenna signal or bad antenna signal. Connect a proper antenna signal. · The tuner is faulty (in this case line 2, the Error Buffer line, will contain error number 9). Check the tuner and replace/ repair the tuner if necessary. Black and White Picture If: · The picture is (nearly) in black and white when it should be in colour, Then: 1. Press the MENU button on the remote control transmitter. This brings up the normal user menu (PICTURE is highlighted). 2. Press the CURSOR RIGHT key to enter the PICTURE sub menu. 3. Use the CURSOR DOWN key to select COLOUR. 4. Press the CURSOR UP/DOWN keys to increase the COLOUR value. 5. Press the MENU button on the remote control transmitter twice to exit the user menu. 6. The new PERSONAL preference value is automatically stored.
Figure 5-4 CSM menu (example) Menu Explanation 1. Indication of the decimal value of the operation hours counter, Main/Scaler software version (see "Service Alignment Mode" for an explanation), and service mode (CSM= Customer Service Mode). 2. Displays the last five errors detected in the error code buffer. 3. Displays the option bytes. 4. Reserved. 5. Displays the type number version of the set (option). 6. Reserved. 7. Displays the detected Colour system (e.g. PAL/NTSC). 8. Displays the detected Audio (e.g. stereo/mono). 9. Displays the picture setting information. 10. Displays the sound setting information. How to Exit To exit CSM, use one of the following methods: · Press the MENU, STATUS (or EXIT/INFO/[i+]), or POWER button on the remote control transmitter. · Press the POWER button on the television set.
5.3
5.3.1
Problems and Solving Tips Related to CSM
Picture Problems Note: The problems described below are all related to the TV settings. The procedures used to change the value (or status) of the different settings are described. Picture Too Dark or Too Bright If: · The picture improves when you enter the Customer Service Mode, Then: 1. Press the MENU button on the remote control transmitter. This brings up the normal user menu; the PICTURE sub menu is highlighted. 2. Press the CURSOR RIGHT key to enter the PICTURE sub menu. 3. Press the CURSOR UP/DOWN keys to increase or decrease the BRIGHTNESS value. 4. Press the MENU button on the remote control transmitter twice to exit the user menu. 5. The new PERSONAL preference values are automatically stored.
5.4
5.4.1
Service Tools
IAP Tool: system requirements PC The PC used for IAP should meet the following criteria: · Parallel Port; · Windows XP Operating System; · 60 MB free disk space.
5.4.2
IAP Tool: use Introduction The IAP Tool (In Application Programming) is a service tool for uploading software to a TV set (see Figure "IAP Interface"). In order to use IAP, the following items should be available: · PC; · TV set, to be put in the IAP mode (only when it is connected to the PC via the IAP interface); · IAP interface, (parallel to I2C, for the connection between a PC and the TV set); · IAP Trident EXSDK software package, software will be available via your national service organisation.
Service Modes, Error Codes, and Fault Finding
L06.1E
5.
EN 15
How to Order Note: If you encounter any problems, contact your local support desk.
5.5
5.5.1
Error Codes
Introduction The error code buffer contains all detected errors since the last time the buffer was erased. The buffer is written from left to right, new errors are logged at the left side, and all other errors shift one position to the right. When an error has occurred, the error is added to the list of errors, provided the list is not full or the error is a protection error. When an error occurs and the error buffer is full, then the new error is not added, and the error buffer stays intact (history is maintained), except when the error is a protection error. To prevent that an occasional error stays in the list forever, the error is removed from the list after 50+ operation hours. When multiple errors occur (errors occurred within a short time span), there is a high probability that there is some relation between them.
G_16350_062.eps 060406
Figure 5-5 IAP interface
J2 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 C1 VCC 16V10u GND 1N4148 D3 SDA1 1 D1 1N4148 3 D7 1N4148 U1B SN74LS05 4 SCL2 SN74LS05 2 U1A VCC R1 2K R2 2K SDA2 D4 1N4148 SDA D2 1N4148 D6 1N4148 SCL D8 1N4148 GND J1 3 2 1 CON3 SCL SDA GND
5.5.2
How to Read the Error Buffer Use one of the following methods: · On screen via the SAM (only if you have a picture). Examples: 0 0 0 0: No errors detected 6 0 0 0: Error code 6 is the last and only detected error 9 6 0 0: Error code 6 was first detected and error code 9 is the last detected error · Via the blinking LED procedure (when you have no picture). See next paragraph. · Via IAP.
SDA2 SCL2 VCC
D5 1N4148 SCL1 SDA1 SCL1
G_16350_063.eps 060406
Figure 5-6 IAP interface circuit diagram 5.5.3 Installing the IAP software on a PC When all the items mentioned above are present, install the software on a PC as follows: · Extract the Trident EXSDK package (EXSDK.zip) into C:\Trident\Bin. · The IAPWriter6.exe file is now inside the Bin folder. Programming the Flash IC The pre-requisite for flashing the software is that the Flash IC should have a bootloader (this means that there is already software on the TV set). To start the flashing, do as follows: · Turn on the TV set, enter SAM mode > IAP. The TV is now in the IAP mode. · Connect the PC to the TV via the Parallel-to-I2C card (IAP Interface). · Double-click on C:\Trident\Bin\IAPWriter6.exe in order to launch the IAP writer. The main interface will appear. · Check that these parameters are set correctly: DEVICE STM29W400DT MPU Start Address 080000 MPU End Address 0FBFFF Buffer Start Address 000000 Buffer End Address 07FFFF Note: The device depends on the Flash IC used. · · · Select File > Load, and select the .bin file to be programmed to the Flash IC. Select File Type "Binary". Select "Write Device". Note: If there are no errors reported, the programming is successful. Note: Sometimes, an error message may appear. Please try a few times if this happens. How to Clear the Error Buffer Use one of the following methods: · By activation of the "CLEAR ERRORS" command in the SAM menu. · With a normal RC, key in sequence "MUTE" followed by "062599" and "OK". · If the content of the error buffer has not changed for 50+ hours, it resets automatically. 5.5.4 Error Codes The function of error codes is to indicate failures in the TV set. In principle a unique error code is available for every: · I2C device error. · I2C bus error (for every bus containing two or more I2C devices). · Protection error (e.g. +8V protection or Horizontal protection). · Error not related to an I2C device, but of importance (e.g. BC-loop, RAM error).
EN 16
5.
L06.1E
Service Modes, Error Codes, and Fault Finding
5.6.2 How to Activate Use one of the following methods: · Activate the SDM (only by shorting the soldering pad indicated in Figure "SDM Service contact" on the first page of this chapter to mass). The blinking front LED will show the entire contents of the error buffer (this works in "normal operation" mode and in "protection" mode). In order to avoid confusion with RC5 signal reception blinking, this LED blinking procedure is terminated when an RC5 command is received. · Transmit the commands "MUTE", "06250x", and "OK" with a normal RC (where "x" is the position in the error buffer that has to be displayed). With x= 1, the last detected error is shown, x= 2 the second last error, etc.... When x= 0, all errors are shown. · "DIAGNOSE X" with the DST (where "x" is the position in the error buffer that has to be displayed). With x= 1, the last detected error is shown, x= 2 the second last error, etc.... When x= 0, all errors are shown. Note: It can take some seconds before the blinking LED starts.
Table 5-2 Error Table Error Description 0 2 3 4 7 8 9 10 11 12 13 14 15 16 19 0 = No error High beam (BCI) protection Vertical guard protection POR bit / +8 V protection Black current loop instability protection General I2C error Microprocessor (M30620FCNGP) I2C error while communicating with the PLL tuner (UV1316E) I2C error while communicating with the EEPROM (NVM at uP, M24C64) I2C error while communicating with the IF demodulator (TDA9886T/V4) I2C error while communicating with the Trident (SVPEX42) I2C error while communicating with the HOP (TDA9332H/N3) I2C error while communicating with the HDMI (SIL9011 CLU) I2C error while communicating with the Audio Demodulator (MSP3411G) I2C error while communicating with the ADC RGB (AD9985KST-110) I2C error while communicating with the SDRAM IC (K4D263238F)
5.7
Software Downloading
In this chassis, you can upgrade the software via the IAP Tool (In Application Programming). You can find more information on this in the paragraph "Service Tools" in this chapter.
5.8
Service Tips: · In case of non-intermittent faults, clear the error buffer before you begin the repair. This to ensure that old error codes are no longer present. Before clearing the buffer, write down the content, as this history can give you significant information. · If possible, check the entire contents of the error buffer. In some situations, an error code is only the result of another error code and not the actual cause (e.g., a fault in the protection detection circuitry can also lead to a protection).
Fault Finding and Repair Tips
Notes: · It is assumed that the components are mounted correctly with correct values and no bad solder joints. · Before any fault finding actions, check if the correct options are set.
5.8.1
NVM Editor In some cases, it can be handy if one directly can change the NVM contents. This can be done with the "NVM Editor" in SAM mode. In the next table, the default NVM values are given.
5.6
5.6.1
The Blinking LED Procedure
Introduction Via this procedure, you can make the contents of the error buffer visible via the front LED. This is especially useful for fault finding, when there is no picture. When the SDM is activated, the front LED will show (by blinking) the contents of the error-buffer. Error-codes > 10 are shown as follows: 1. A long blink of 750 ms (which is an indication of the decimal digit), 2. A pause of 1500 ms, 3. "n" short blinks (where "n" = 1 - 9), 4. When all the error-codes are displayed, the sequence finishes with a LED blink of 3000 ms, 5. The sequence starts again. Example: Error 12 9 6 0 0. After activation of the SDM, the front LED will show: 1. 1 long blink of 750 ms (which is an indication of the decimal digit) followed by a pause of 1500 ms, 2. 2 short blinks of 250 ms, followed by a pause of 3000 ms, 3. 9 short blinks of 250 ms, followed by a pause of 3000 ms, 4. 6 short blinks of 250 ms, followed by a pause of 3000 ms, 5. 1 long blink of 3000 ms to finish the sequence, 6. The sequence starts again.
Service Modes, Error Codes, and Fault Finding
Table 5-3 NVM default values
Default values (hex) Address (dec) 32PW9551/12 29PT9521/12 Default values (dec) 32PW9551/12 29PT9521/12
L06.1E
5.
EN 17
Item EW (EW Width) PW (EW Parabola Width) HS (Horizontal Shift) HP (Horizontal Parallelogram) HB (Horizontal Bow) UCP (EW Upper Corner Parabola) LCP (EW Lower Corner Parabola) TC (EW Trapezium) VS (Vertical Slope) VA (Vertical Amplitude) SC (S-Correction) VSH (Vertical Shift) VX (Vertical Zoom) VSL (Vertical Scroll) HOP EW EHT Compensation BLOR (Black Level Offset - Red) BLOG (Black Level Offset - Green) AGC (AGC Takeover) OIF (IF-PLL Offset) AGC10 H60 (60 Hz Horizontal Shift) 60 Hz Vertical Amplitude YD & CL RGB Brightness NVM_TABLE_VERSION OPTION_TABLE_VERSION TXT Brightness V60 offset (60Hz Vertical Amplitude) CRYSTALALIGN VIDEO PP Last Colour Last Contrast Last Sharpness Last Hue Last Colour Temp White-D Cool Red White-D Cool Green White-D Cool Blue White-D Normal Red White-D Normal Green White-D Normal Blue White-D Warm Red White-D Warm Green White-D Warm Blue Audio Last Smart Last Volume Last Balance Last Treble Last Bass
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 42 43 46 60 61 64 66 208 264 265 266 267 268 269 294 295 296 297 298 299 300 301 302 342 343 344 345 346
15 19 20 07 07 20 20 1D 27 20 15 20 19 20 20 08 08 0E 20 01 00 04 04 28 64 3C 14 04 00 23 36 64 05 32 00 00 00 04 25 20 28 08 00 03 23 0A 00 00
1A 19 20 07 07 20 20 1D 27 20 15 20 19 20 20 08 08 0E 20 01 00 04 07 28 64 3C 14 04 00 23 36 64 05 32 00 00 00 04 25 20 28 08 00 03 23 0A 00 00
21 25 32 07 07 32 32 29 39 32 21 32 25 32 32 08 08 14 32 01 00 04 04 40 60 20 04 00 35 54 05 50 00 00 00 04 37 32 40 08 00 03 35 10 00 00
26 25 32 07 07 32 32 29 39 32 21 32 25 32 32 08 08 14 32 01 00 04 07 40 60 20 04 00 35 54 05 50 00 00 00 04 37 32 40 08 00 03 35 10 00 00
100 100
100 100
ED ED 237 237
Note: · When aligning a TV set, it is convenient to start with the default settings, and then to change them, if necessary, to customized values. · If you suspect a defective TV set is programmed with the wrong settings or options, try to restore the set to its default settings or set the options to their virgin mode (the latter can also be done via the NVM Editor in the SAM menu, see chapter 8 and the table Option codes). If the remote control of a TV set is defective of missing, and you can not enter the CSM or SAM menu, it is always possible to return the TV to its virgin mode by simultaneously pressing the Volume+ and Volume- keys on the Top Control/Side I/O panel of the TV set.
EN 18
5.8.2
5.
L06.1E
Service Modes, Error Codes, and Fault Finding
SAM Menu Structure The SAM Menu structure of the L06.1E AA is different from that of the ES1. Some of the menu items that were in the main menu of the ES1 are now in the submenu. The following table shows the structure of the SAM menu of the L06.1E AA. Table 5-4 SAM menu structure
Example of SAM Submenu SAM Submenu values / level 2 settings Yes
SAM Submenu SAM Main Menu level 1 Clear
Explanation of menu items Clear. Erases the contents of the error buffer. Select the CLEAR menu item and press the CURSOR RIGHT key. The content of the error buffer is cleared. Options. Used to set the option bits. See "Options" in the Alignments section for a detailed description.
Options
OP1 OP2 OP3 OP4 OP5 OP6 OP7
Tuner
IFPLL AGC
Tuner. Used to align the tuner. See "Tuner" in the Alignments section for a detailed description.
RGB Align
AKB White Tone Cool Normal Warm BlackL Offset R BlackL Offset G CL
Off / On
RGB Align > White Tone. Used to align the white tone. See "RGB Align > White Tone" in the Alignments section for a detailed description.
7 HP HB HSH EWW EWP EWT UCP LCP 8 9 33 23 26 31 41 34 Note: If the TV set is switched to 50 Hz/double lines (i.e. not Pixel Plus/100 Hz) only "VS" is shown in the menu. 42 26 25 21 250 400 2 0x0001 1 0x0000 0 NVM Editor. Can be used to change the NVM data in the television set. Audio. No audio alignment is necessary for this television set. Geometry. Used to align the Geometry. See "Geometry" in the Alignments section for a detailed description.
Geometry
Horizontal
Vertical
SBL VS VSH VAM VSC
Audio
AF-M A2-T AT
NVM Editor
ADR VAL Store
Compair
Compair
ComPaIr. In other TV sets, this menu item can be used to switch the television to "In System Programming" (ISP) mode, for software uploading via ComPair. In the L061E AA, however, a different system is used: IAP. Caution: When this mode is selected without IAP connected, the TV will be blocked. Remove the AC power to reset the TV. IAP. This tool is used instead of Compair (Compair is not implemented in this TV set).
IAP
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
19
6. Block Diagrams, Testpoint Overviews, and Waveforms
Wiring Diagram
WIRING
DEGAUSSING COIL
CRT
AQUADAG
EHT
ROTATING COIL
F
SPEAKER R
CRT PANEL
1317 5p 1340 5p
1336
2P4
SPEAKER L
J
6P 1693
CRT SOCKET
BLACK RED 1335
8361
SCAVEM COIL
FRONT INTERFACE PANEL
2P
1382 2P3 1351 7P
F
CRT PANEL
MAINS SWITCH 1951
1361 2P3
8693
8278
8278
D
3P 1010
SIDE AV + HP PANEL + TOP CONTROL (SL06)
HEADPH.
CVBS LEFT RIGHT
1504 2P3
1505 2P3
8505
5P 1254
SVHS
7P 1252
8252 8254
1278 4P
A
LSP(LARGE SIGNAL PANEL)
5P 1911
1004 2P
1587 3P
6P 1580
7P 1581
3P 1586 8587
1583 5P
8583
5P 1904
B SSB SIGNAL BOARD SMALL
1584 7P
8584
1538 7P
8401
1542
2P3 1404
1244 3P
7P 1401
8404
8452
1631 12P
LOT
1452 2P3
1402
1400 5P
1582 12P
8582
8400
G_16350_056.eps 070506
1211 2P
1505 2P
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
20
Block Diagram LSP Supply and Deflection
SUPPLY AND DEFLECTION
J
FRONT INTERFACE PANEL
A1
POWER SUPPLY
1504 1 4 2 1503 3 5500 5501 5502 5512 MAINS FILTER 7511 TEA1507
DRAIN
A2
2 7541 ENERGIZING CIRCUIT
DEFLECTION
+Vaudio Vbatt 7405
5450 3 1 EHT FOCUS TO CRT
DEGAUSSING COIL
1 7404 HDRIVE A6 6551 5552 6465 +5V Vbatt EW_DRIVE A6 5562 6563 5566 -Vaudio EHT-INFO 5402
1211 1 2 MAINS INPUT 220-240Vac
1231 2 1 4 3
1505 1 2
1505 1 2
1500 T4E
SCREEN EHTinfo A6
LINE OUTPUT CIRCUIT + E/W CORRECTION
6500 2505
VDC
9 8
17 18
5551
1404 1 2 HORIZONTOL DEFLECTION COIL 12
LOT
14
3513 7512 5511
7 6 3
13 12 10 11
2045
3517
HFB_X_RAY-PROT A6
DRIVER
11
3514 5561 6562 5567 -Vaudio A6 7517 2 3516
VGUARD
2 VCC 2511 6
CTRL
SENCE
9
3522
6 7 8
6469
3485
FILAMENT
DEMAG
6511
3571 +9VA 4 3 1 2
7513 TCET1103
3576
REFERENCE CIRCUIT
3575
7
3517
6461
3450
+12V_LOT
3456
6452
-14V
STANDBY CIRCUIT
STANDBY A6
315mA
1532
5504 8 6 9 10 11 12 2 13 14
6537
7535
Vaux A6
SVM_ROT +12V_LOT
1401 7 6 5 4 VideoSupply 3 2 1 TO CN23
3598
3529
3519
7510 TEA1507
DRAIN
14
3536 7525 5532
5 4
6535
5564 7535
+5.2V +5V EHTinfo
Vbatt
F
CRT
DRIVER
11
3536 STANDBY CIRCUIT 6536 5505 3545 POWER DOWN CIRC. +9VA FILAMENT POWER_DOWN A6
2 VCC 6538 6581 6509 3527 2510
SENCE
9 3516
6 3580 7532
CTRL DEMAG
7
1
4 3597 3
1 2
7513 TCET1103
3544
REFERENCE CIRCUIT
STANDBY CIRCUIT
STANDBY A6
B7
DEFLECTION CONTROLLER
7401 TDA9330H/N3 9
SCO VDOA VDOB HOUT EWO HFB EHTIN
B1
A6
POWER SUPPLY & CONNECTIVITIES
VGUARD INA INP 1582 1 3 4 5 7 HFB_X-RAY-PROT EHT -INFO 8 9 10 11 POWER_DOWN 12 1631 1 3 4 5 7 8 9 10 11 12
INTERFACING
VGUARD INN INP HDRIVE EW_DRIVE HFB_X-RAY-PROT EHT -INFO STANDBY SVM_ROT POWER_DOWN (V-drive) 6 7
7455 TDA4863J INN V-OUT INP GND 4 5
1 2 8 3 13 4 B2
1452 1 2 VERTICAL DEFLECTION COIL
HDRIVE EW_DRIVE
STANDBY SVM_ROT
DACOUT FBCSO
25 29 B2
G_16350_057.eps 070506
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
21
Testpoint Overview LSP
F232 F233 F234 F235 F241 F242 F243 A8 A8 A9 A10 A10 A10 A10 F246 F247 F248 F249 F250 F401 F402 B8 A8 A8 A7 A6 D6 E7 F404 F416 F418 F419 F451 F452 F453 F8 G6 G7 G8 F9 G10 C7 F455 F456 F457 F458 F459 F462 F464 C7 G10 G10 D8 G7 F9 F6 F465 F466 F469 F472 F475 F476 F478 F6 D9 D9 C8 C8 D8 D9 F481 F482 F483 F500 F501 F502 F503 E9 C8 D8 D1 F2 E2 G1 F504 F506 F507 F508 F509 F535 F537 F1 G1 G1 F3 G4 C3 C5 F541 F542 F552 F561 F562 F563 F573 D3 D3 E5 D4 D5 D5 D6 F574 F575 F576 F578 F580 F581 F582 D4 F5 C4 C4 D6 C4 C3 F583 F620 F627 F628 F629 F630 F631 E5 C8 A5 A5 B8 B8 B8 F632 F672 F673 F674 F675 F676 F677 B8 A6 B8 C6 B6 B6 B9 F678 F679 F701 F702 F703 F704 F705 C6 C7 D9 D10 D10 D10 C9 F706 F708 F710 F711 F712 F713 F714 C10 C10 C10 B10 C10 C9 B10 F715 F716 F717 F718 F719 F720 F721 B9 B10 C10 B9 B10 B10 B9 F722 F723 F724 F901 F903 F904 F905 B10 B10 B10 B4 A4 B3 C3 F910 F911 F912 F913 F950 F951 F952 B3 B4 A5 B2 A5 B5 A4 F955 F956 F958 F959 I232 I239 I240 B4 C3 A5 A5 A9 A9 A9 I241 I242 I247 I248 I249 I253 I254 A6 A6 A6 B8 A7 A7 A7 I255 I256 I259 I260 I261 I402 I410 A7 B6 A7 A9 A9 G9 F10 I413 I414 I415 I418 I419 I420 I423 D6 C7 D7 G6 G6 E6 D7 I428 I432 I435 I436 I437 I438 I439 F7 E8 D8 D8 D6 D9 E8 I440 I442 I443 I445 I446 I447 I448 E8 E10 F9 D7 D7 D6 D6 I449 I450 I453 I455 I457 I458 I459 D6 F6 G9 F9 F8 F8 F9 I460 I462 I463 I464 I466 I468 I469 D8 G7 G10 F10 E8 E8 E9 I470 I473 I475 I476 I480 I481 I482 D8 E7 F9 D9 D9 D9 G10 I487 I488 I489 I490 I491 I492 I493 D7 G6 G7 D7 D7 E9 G10 I494 I495 I496 I497 I499 I500 I501 E8 D9 E7 F6 D7 F3 G3 I502 I503 I504 I506 I507 I509 I510 G2 G1 G1 F3 E2 F4 E3 I511 I512 I513 I514 I515 I516 I517 G5 E4 F5 F5 F5 G5 G5 I518 I519 I520 I521 I522 I523 I525 F5 G5 F6 G5 D6 F6 E3 I526 I527 I528 I529 I530 I531 I532 F3 G6 E4 D4 F3 E3 E3 I533 I534 I536 I537 I538 I539 I540 I542 I543 I544 I545 I546 I547 I548 I550 I551 I552 I553 I554 I555 I557 I558 I559 I560 I561 I562 I563 I564 I565 I566 I568 I569 I570 I571 I572 I573 I574 I575 I577 I578 I579 I580 I581 I582 I583 I586 I587 I588 I589 I590 I591 I592 I593 I596 I597 I599 I602 I603 I604 I605 I606 I608 I609 I610 I611 I612 I616 I621 I622 I623 I624 I625 I626 I627 I628 I629 I630 I631 I632 I633 I634 I635 I636 I637 I638 I639 I640 I650 I672 I674 I677 I678 I680 I685 I686 I687 I688 I689 I690 I691 I693 I694 I695 I696 I701 I702 I703 E4 F2 E3 E3 D4 D3 D3 D2 C3 E4 C3 F5 C4 F5 E3 E5 E5 F3 F3 E4 E2 D4 G2 F4 E4 E4 E2 F6 D4 D4 D3 D5 D5 E6 F1 D5 D6 E6 C4 E6 E5 D5 D4 G5 F1 E5 D4 C4 D5 D4 D4 D4 D4 D6 D5 D5 A9 C6 B7 C7 C6 C6 C9 B9 C9 A7 B8 A6 A6 A5 A5 A5 A5 C6 C6 C6 B6 C6 A8 B8 C7 A7 B8 B8 C8 C8 B7 C7 B8 A7 B7 B9 B7 B6 B6 B6 B7 B7 B7 A5 C7 C7 B7 A6 D9 D10 C9 I704 I705 I707 I708 I709 I710 I711 I712 I713 I714 I715 I716 I717 I719 I720 I721 I722 I723 I724 I725 I726 I727 I728 I729 I731 I732 I733 I734 I735 I736 I737 I738 I739 I740 I741 I901 I902 I903 I904 I908 I909 I913 I914 I915 I916 I918 I920 I921 I922 I924 I925 I926 I927 I928 I930 I934 I935 I936 I938 I941 I943 I945 I948 I951 I952 I953 I954 I956 I957 I958 I959 I960 I962 I963 I964 I965 I967 D10 C9 C10 C10 C9 C9 B9 B10 B10 B10 B10 B10 C10 D9 C9 D9 C10 B9 B9 B9 C9 A10 B10 A10 D9 D9 C9 C9 C9 B10 B9 C10 D10 C10 C10 B4 C2 A3 A3 A3 A3 A4 A4 B4 B4 B4 C4 A3 B3 B3 A3 B3 A3 B4 B4 B4 C3 A3 B3 A3 A3 B4 A3 B5 B5 A5 B5 B4 B5 C5 B4 B5 B5 B4 C4 B5 C4
3139 123 5895.4
F_15040_010.eps 220305
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
22
Block Diagram Video
VIDEO
B3 TUNER & DEMODULATOR
1000 UV1316-MK4 1002 11 MAIN IF1 TUNER (ANALOGUE) 1
AGC
7061 TDA9886T/V4
B7 DEFLECTION CONTROLLER
F
CRT PANEL
2005
5 4
VIF1 VIF2
1 VIF1 2 VIF2
IF-TER2
1
1003 1
5 4
SIF1 SIF2
23 SIF1 24 SIF2 105
DEMODULATOR
AGC-IF SC1_CVBS_OUT 7150 EF
17 CVBS
7330 TDA6111Q
AQUADAG
B9 SCART ANALOGUE I/O
B10 Y Pb Pr EXT INPUT
B4 SVPEX42
7721 SVPEX42 CVBS_RF 243 CVBS2 DDP_CRT ANALOG_IFC CVBS_OUT CVBS_RF_SVP_SELECT B2 236 242 CVBS_OUTP R G B CVBS1 30 29 28 35 HOP_R HOP_G HOP_B FBLINK 30 31 32 R|1 G|1 B|1 7401 TDA9330H/N3
VIDEO OUTPUT AMPLIFIER R 7340 TDA6111Q 1400 1 2 3 5 1317 1 2 3 5 VIDEO OUTPUT AMPLIFIER G R-CRT G-CRT B-CRT CUT_OFF 7350 TDA6111Q VIDEO OUTPUT AMPLIFIER B
1354 8
1150-1
SCART 1 1
19 15 11 7 20 16 8
3188
7150 EF 7103 RIN GIN BIN SC1_CVBS_IN
B11 B11 B11 4 1 3
6
HOP
RO BO GO
40 41 42 44
ROUT GOUT BOUT CUT_OFF
11
CRT CRT
SVPEX42 TRIDENT VIDEO PROCESSOR
SC1_FBL
B10
7104 SIDE_CVBS|Y_IN
3 1 4
HSD
38 BL2 BLKIN 24 HD 23 VD
SC1_STATUS
B2
B1
CVBS_SC2_SIDE
244
CVBS3
21
HS VS XTALI
34 37 256
HSYNC VSYNC
EXT1 CVBS2_SIDE_SELECT 1150-2
SCART 2 1
FOCUS
7105 SIDE_C_IN
B1 3 1 4
SIDE_C_SC2
231
Y_G1 XTALO 1
19 20 15 8
SC2_CVBS_OUT SC2_CVBS|Y_IN SC2_C_IN
1721 14M31 1351 1 2 DC_FILAMENT EHT-INFO +141V +8V_+12V SVM_ROT ROTATION AMPLIFIER 9 12 7366 TDA8941P 3 FROM 1401 4 5 6 7
VG1
VG2
FROM LOT 3356
CVBS2_SIDE_SELECT
B2
7106 SC2_STATUS B2
B1
SC1_FBL HDMI_DE
3 5
3351
4
HDMI_DE|SCART_FB
231
+200A
B6
21
A2
SCART_FB_SELECT DEFLECTION B2
EXT2
1382 1 3 ROTATION COIL
1101 Pr Y Pr_IN Y_IN Pb_IN Pb Pr_IN Y_IN Pb_IN 225 246 232
B5 DDR DRAM & SUPPLY
SCAVEM
1361 1 3 SCAVEM COIL
D SIDE AV PANEL
1277 Y C 1252 5 7
B1 POWER SUPPLY/ B11 ADC CONNECTIVITIES
1581 5 SIDE_CVBS|Y_IN 7 SIDE_C_IN B9 RIN GIN BIN 54 48 43
7601 AD9985AKSTZ HSOUT VSOUT 66 64 30 31 HDMI_HSYNC HDMI_VSYNC 21 22
MEMORY
7701 K4D263238I
VIDEO
MA(0-11)
ADC
HSYNC RAIN GAIN BAIN VSYNC
SDRAM 1Mx32x4
1251
1 3 4
MD(0-31)
B9 B9
S VIDEO 5
2
RDE(0-23)
24bit R/G/B MCK0 MCK0_
130 131
MCLK0 MCLK0_1
55 54
CK CK
B6 HDMI
1300 1 3 4 6 7 9 10
19 18
B10
HDMI_DE 7307 SII9011CLU
RX2+ RX2RX1+ RX1RX0+ RX0RXC+ RXCDSCL DSDA 7308 HDMI_EN B2
12 15 16
63 + 62 - RX2 59 + 58 - RX1 55 + 54 - RX0 51 + 50 - RXC
DE
127
HDMI ADC
RDE(0-23) 128 1 119 HDMI_HSYNC HDMI_VSYNC HDMI_P_CLK 54 MEM_CLK
1 2
HSYNC VSYNC ODCK
HDMI CONNECTOR
19
G_16350_058.eps 070506
EHT
B2
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
23
Block Diagram Audio
AUDIO
B3 TUNER & DEMODULATOR
1000 UV1316-MK4 1002 11 MAIN IF1 TUNER (ANALOGUE) 1
AGC
7061 TDA9886T/V4
B1 POWER SUPPLY A3 CLASS D CONNECTIVITIES AUDIO AMP
A4 AUDIO AMPLIFIER
D SIDE AV PANEL
2005
5 4
VIF1 VIF2
1 VIF1 2 VIF2
IF-TER2
1
1003 1
5 4
SIF1 SIF2
23 SIF1 24 SIF2 105 12
IF DEMODULATOR
AGC-IF
SIOMAD
B9 SCART ANALOGUE I/O
B8 SOUND PROCESSOR
7907 MSP3411G-QI-B8V3 SIO 50 28 SC1_R_IN 45 29 SC1_L_IN 44 ANA-IN1+ SC1-OUT-R SC1-IN-R SC1-OUT-L SC1-IN-L 7991 B2 VOLMUTE 2 2 VOL_MUTE 4 DACM-R DACM-L 20 21 AUDIOROP AUDIOLOP 7990 TDA2616Q/N1 AUDIO-R AUDIO-L 9 1 2 6 1911 4 3 2 1 1254 4 3 2 1 HEADPHONE SC2_R_OUT SC2_R_IN SC2_L_OUT SC2_L_IN B2 MUTE_AUDIO_OUT MUTE 25 42 26 41 SC2-OUT-R SC2-IN-R SC2-OUT-L SC3-IN-L Speakers switched off by HP plug 1232 1278 4 3 2 1 LEFT SPEAKER RIGHT SPEAKER
1150-1 1
SCART 1
SC1_R_OUT
1583 3 5
1904 3 5
2 3 6 EXT1 1150-1 1 2 SC1_L_OUT
AUDIO AMPLIFIER
SOUND PROCESSOR
21
3 6 EXT2
D SIDE AV PANEL
1250 R AUDIO L/R IN L 1252 1 3
B1 POWER SUPPLY & CONNECTIVITIES
1581 1 3 SIDE_R_IN SIDE_L_IN 39 38 1010 1281 1010 2 2
CONTROL
E TOP CONTROL (FL13) D B1 POWER SUPPLY CONNECTIVITIES B2 MICROPROCESSOR
7201 M30620SPGP
B10 Y Pb Pr EXT INPUT
1101-3 CONST_R AUDIO L/R OUT CONST_L 17 18 DACA-R DACA-L
KEY_PROTN
2
91
SC1_STATUS SC2_STATUS SCART_FB_SELECT POWER_DOWN
B9 B9 B10 B1
D SIDE AV PANEL + HP PANEL + TP CONTOL (SL6)
1010 1586 2 KEYBOARD 93 KEY_PROTN 2
MICRO PROCESSOR
90 88 72
1101-1 DVI_R AUDIO L/R IN DVI_L 1101-2 HD-R DVI AUDIO L/R IN HD-L B2 HD_AUDIO_SELECT
13 12 2
7106
14 15
HD_R 93 HD_L HDMI_EN
J
FRONT INTERFACE PANEL
B6 B10 B10 B12 B8 B1
75 CVBS_RF_SVP_SELECT 74 CVBS_SIDE_SELECT HD_AUDIO_SELECT_2 MUTE_AUDIO_OUT VOLMUTE
1
2 1 24 7962
12
B6 HDMI
B12 HDMI SOUND SWITCHING
7307 SII9011CLU + RX2 7961 UDA1334BT/N2
1693 3
1580 3 IR 18 25 SDM
2
14 15
HD_DVI_R HD_DVI_L
36 35
SC4-IN-R SC4-IN-L
IR 4 LED 4 LED 87 7205 M29W400DT EPROM 512Kx8 256x16
1 2
+ MA(0-11) + + -
HDMI
RX1 RX0 RXC
SCK WS SD0
76 75 74
I2SSCK I2SWS I2SDI1
1 2 3
BCK WS
AUDIO DAC
HDMI_R HDMI_L B2 HD_AUDIO_SEL2
13 1
DATAI
6
6
LIGHT_SENSOR
92
19 18
MCLK
79
SYSCLK
6
SYSCLK
HDMI CONNECTOR
LIGHT SENSOR G_16350_059.eps 070506
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
24
I2C Overview
I²C
B2
MICROPROCESSOR
B3
TUNER IF & DEMODULATOR
B4
SVPEX42
B5
DDR DRAM & SUPPLY
B8
SOUND PROCESSOR
B11
ADC
7201 M30620SPGP 33 34
+3V3STBY
3242
3240
3241 3243
TXD RXD RENEAS MICRO PROCESSOR
SDA SCL
3006 3068 3746 3903 3004 3067 3745 3902 3612 3614
ERR 08
5
4
10
11
16
14
2
1
57
56
1000 UV1316E TUNER 28 27 SDA_EE SCL_EE
3228 3227
ERR 09
7061 TDA9886T IF DEMODULATOR
ERR 11
7721 SVPEX42 TRIDENT VIDEO PROCESSOR
ERR 12
7907 MSP3411G 7701 K4D263238I SDRAM
DATA
ERR 19
7601 AD9985AKSTZ
1600
ADDRESS
SOUND PROCESSOR
ERR 15
ANALOG INTERFACE
ERR 16
1 2 3 FOR IAP SW-UPGRADE ONLY
5 +3V3STBY
3231
6
7203 M24C64 7 EEPROM NVM
ERR 10
100
E_PAGE
B6
HDMI
B7
DEFLECTION CONTROLLER
+5V
3449
3450
SDA SCL
4302 4301
7405 7404
3428 3425
SDA_HOP SCL_HOP
+3V3_HDMI
3326
+5VHDMI
3328
3325
7307 SII9011CLU HDMI PANELLINK RECEIVER
ERR 14
41 DSDA 42 DSCL
7305 7304
16 15
19 18
1 2
39
40
1300
11 +5V
10
7401 TDA9330H/N3 TV DISPLAY PROCESSOR HOP
ERR 13
5 7306 M24C02 +3V3
6 HDMI CONNECTOR
EEPROM 256x8
G_16350_060.eps 070506
Block Diagrams, Testpoint Overviews, and Waveforms
L06.1E AA
6.
25
Supply Lines Overview
SUPPLY LINE OVERVIEW J FRONT INTERFACE PANEL A1 POWER SUPPLY
1504 1 4 2 DEGAUSSING COIL 5500 5501 5502 5512 MAINS FILTER 7511 TEA1507
DRAIN
2
1503 3 1
7541 ENERGIZING CIRCUIT
A3
+Vaudio A1
CLASS D - AUDIO AMP
+Vaudio B1 5913 Vaudio+ -Vaudio B1 5914 Vaudio-V
B5
+5V2
DDR DRAM SUPPLY
+5V2
+Vaudio
7702
IN OUT COM
+3V3STBY B2 +5V
-Vaudio A1
+5V
1211 1 2 MAINS INPUT 220-240Vac
1231 2 1 4 3
1505 1 2
1505 1 2
1500 T4E
7703
IN OUT COM
VDD 5702 VDDMQ B4 +3V3
6500 2505
VDC
9 8
17 18
5551
6551 5552
5910 Vbatt
A2
+3V3
A4
14 3513 7512 5511 7 6 3 9 3522 3516 7517 2 11 A1 +33V 3575 N.C. 6511 13 12 10 5561 6562 5567 +Vaudio 5562 6563 5566 -Vaudio A1 A1 A3,A4 -Vaudio A3,A4
AUDIO AMPLIFIER
+Vaudio -Vaudio
B1
7704
IN OUT COM
+1V8 B6 5703 5704 5705 VA1_8 B4 VL1_8 B4 VD1_8 B4
+Vaudio
DRIVER
11
3514
A5
+5V
TUNER / IF
+5V +33V 1244 2 B3
2 VCC 6
CTRL
SENCE
DEMAG
7
3517
B6
HDMI
+5VHDMI +3V3 5301 3V3_HDMI +1V8 5300 +1V8_HDMI
3571 +9VA 4 3 1 2
7513 TCET1103
3576
REFERENCE CIRCUIT
1300 HDMI 19 CONN.
A6
+9VA STANDBY A1 A6
INTERFACING
B1 +9VA
+3V3
STANDBY CIRCUIT
7674
IN OUT COM
5682 3670
+8V B5 +8VS
+1V8
315mA
1532
5504 8 6 9 10 11 12 3 13 14
6537
1538 7535 Vaux 5 2
3529
3598
3519
7510 TEA1507
DRAIN
B1
POWER SUPPLY & CONNECTIVITIES
+5V2 B5 B3,B5,B7 B8,B9,B10, B11,B12 B1 B5,B6, B10 B1 B7,B8,B10, B12 +8V +8V
14
3536 7525 5532
5 4
6535
5564 7535
+5.2V +5V
1 A5
1584 +5V2 1 2
7502
+5V
DRIVER
11
3536 5501 STANDBY CIRCUIT 6536 5505 3545 +9VA A6 5 +9VA
7505
IN OUT COM
B7
+5V
DEFLECTION CONTROLLER
+5V
+3V3STBY1 +3V3 +9VA
2 VCC 6538 3527 6581 6509
SENCE
9 3516
6
CTRL DEMAG
3580 7532
7
1
7500
IN OUT COM
+8V
4 3597 3
1 2
7513 TCET1103
3544
REFERENCE CIRCUIT
B8
+8V +5V
SOUND PROCESSOR
+8V +5V 5941 5942 5943 +5V_AUD +5V_D +5V4A
B1 STANDBY CIRCUIT STANDBY A6 B5 B3
B2
+VT
MICROPROCESSOR
+3V3STBY +VT
B1
+3V3STBY
A2 DEFLECTION
5450 Vbatt 7405 3 1 EHT FOCUS TO CRT B1 SCREEN 6465 +5V EHTinfo +5V 5060 +5V +5VS B1 +5V +5V
B3
A5 1587 +VT 1
TUNER IF & DEMODULATOR
+VT B2
7404 HDRIVE
5402
B9
SCART ANALOGUE I/O
B4
EW_DRIVE
LINE OUTPUT CIRCUIT + E/W CORRECTION
SVPEX42
VL1_8 VA1_8 VD1_8 VDDMQ +5V B1 +3V3 5729 VDDH B1 B1 B1
B10
+5V +8V +3V3
Y Pb Pr EXT INPUT
+5V +8V +3V3
1404 1 2 HORIZONTOL DEFLECTION COIL 12
LOT
B5 B5 B5 2045 3517 HFB_X_RAY-PROT B5 6469 3485 FILAMENT B1 B1 6461 3450 +12V_L