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HCD-GNX60/GNX70/ GX9900
SERVICE MANUAL
Ver. 1.1 2006.06
US Model
HCD-GX9900
E Model Australian Model
HCD-GNX60/GNX70
· HCD-GNX60/GNX70/GX9900 are the Amplifier, CD player, tape deck and tuner section in MHC-GNX60/GNX70/GX9900.
Photo : HCD-GNX70
Model Name Using Similar Mechanism CD Section CD Mechanism Type Base Unit Name Optical Pick-up Name TAPE Section Model Name Using Similar Mechanism Tape Transport Mechanism Type
HCD-GN880 CDM74-F1BD81 BU-F1BD81A KSM-215DCP/C2NP NEW CMAT5Z2
SPECIFICATIONS
AUDIO POWER SPECIFICATION (MHC-GX9900 USA model only) POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 6-ohm loads, both channels driven, from 120 Hz 10 kHz; rates 230 watts per channel minimum RMS power, with no more than 10% total harmonic distortion from 250 miliwatts to rated output. Amplifier section MHC-GX9900 Total harmonic distortion Less than 0.1% (6 ohms at 1 kHz, 100 W) MHC-GNX70 The following are measured at Mexican model: AC 127 V, 60 Hz Other models: AC 120, 220, 240 V, 60 Hz DIN power output (rated) 170 + 170 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 220 + 220 watts (6 ohms at 1 kHz, 10% THD) MHC-GNX60 The following are measured at Mexican model: AC 127 V, 60 Hz Brazil model: AC 127 V or 220 V, 60 Hz Other models: AC 120, 220, 240 V, 50/60 Hz DIN power output (rated) 150 + 150 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference) 200 + 200 watts (6 ohms at 1 kHz,10% THD) Inputs VIDEO/MD (AUDIO) IN (phono jacks): voltage 250/450 mV, impedance 47 kiloohms TV (AUDIO) IN (phono jack): voltage 250 mV, impedance 47 kiloohms MIC (phone jack): sensitivity 1 mV, impedance 10 kiloohms Outputs PHONES (stereo mini jack): accepts headphones of 8 ohms or more FRONT SPEAKER: Use only the supplied speaker · SS-GNX100 (MHC-GNX70/GX9900) · SS-GNX60 (MHC-GNX60) SURROUND SPEAKER: Use only the supplied speaker · SS-RSX80 (MHC-GNX70/GX9900) Disc player section System Laser Laser Output
Frequency response Wave length Signal-to-noise ratio Dynamic range
Compact disc and digital audio system Semiconductor laser (l=780 nm) Emission duration: continuous Max. 44.6 mW* *This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. 2 Hz 20 kHz (±0.5 dB) 780 790 nm More than 90 dB More than 90 dB
OPTICAL CD DIGITAL OUT (Square optical connector jack, rear panel) (For MHC-GNX60/GNX70) Wave length 660 nm Output Level 18 dBm Continued on next page
MiNi Hi-Fi COMPONENT SYSTEM
9-879-532-02
2006F02-1 © 2006.06
Sony Corporation
Home Audio Division Published by Sony Techno Create Corporation
HCD-GNX60/GNX70/GX9900
Tape deck section Recording system Frequency response 4-track 2-channel stereo 50 13,000 Hz (±3 dB), using Sony TYPE I tape
Tuner section FM stereo, FM/AM superheterodyne tuner FM tuner section Tuning range 87.5 108.0 MHz Antenna FM lead antenna Antenna terminals 75 ohm unbalanced Intermediate frequency 10.7 MHz AM tuner section Tuning range North and Latin American models: 530 1,710 kHz (with the interval set at 10 kHz) 531 1,710 kHz (with the interval set at 9 kHz) Other models: 531 1,602 kHz (with the interval set at 9 kHz) 530 1,710 kHz (with the interval set at 10 kHz) Antenna AM loop antenna Antenna terminals External antenna terminal Intermediate frequency 450 kHz General Power requirements North American model: Australian model: Argentina model: Other models: Power consumption MHC-GX9900 MHC-GNX70 MHC-GNX60 Dimensions (w/h/d) (Approx.) Mass (Approx.) HCD-GNX70 HCD-GX9900 HCD-GNX60
SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, "metallized" knobs, screws, and all other exposed metal parts for AC leakage. Check leakage as described below.
LEAKAGE
The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microamperes). Leakage current can be measured by any one of three methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers' instructions to use these instruments. 2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resistor by means of a VOM or battery-operated AC voltmeter. The "limit" indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a passive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2V AC range are suitable. (See Fig. A)
To Exposed Metal Parts on Set
120 V AC, 60Hz 230 240 V AC, 50/60 Hz 220 V AC, 50/60 Hz 120 V, 220 V or 230 240 V AC, 50/60 Hz Adjustable with voltage selector 250 watts 225 watts 200 watts 280 × 360 × 398.5 mm 12.1 kg 11.8 kg 11.3 kg
0.15 µF
1.5 k
AC Voltmeter (0.75 V)
Design and specifications are subject to change without notice. Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing · Keep the temperature of soldering iron around 270°C during repairing. · Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). · Be careful not to apply force on the conductor when soldering or unsoldering. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. This appliance is classified as a CLASS 1 LASER product. This label is located on the rear exterior.
SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Earth Ground Fig. A. Using an AC voltmeter to check AC leakage.
Unleaded solder Boards requiring use of unleaded solder are printed with the lead free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size.)
: LEAD FREE MARK Unleaded solder has the following characteristics. · Unleaded solder melts at a temperature about 40°C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350°C. Caution: The printed pattern (copper foil) may peel away if the heated tip is applied for too long, so be careful! · Strong viscosity Unleaded solder is more viscous (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc. · Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder.
2
HCD-GNX60/GNX70/GX9900
TABLE OF CONTENTS 1. 2. 3.
3-1. 3-2. 3-3. 3-4. 3-5. 3-6. 3-7. 3-8. 3-9. 3-10. 3-11. 3-12. 3-13. 3-14. 3-15. 3-16. 3-17. 3-18.
SERVICING NOTES ................................................ 4 GENERAL
Location of Controls ........................................................ 5
7.
7-1. 7-2. 7-3. 7-4. 7-5. 7-6. 7-7. 7-8. 7-9. 7-10. 7-11. 7-12. 7-13. 7-14. 7-15. 7-16. 7-17. 7-18. 7-19. 7-20. 7-21. 7-22. 7-23.
DIAGRAMS
Circuit Board Location .................................................... Block Diagram CD Section ...................................... Block Diagram Tape Section .................................... Block Diagram Main Section ................................... Block Diagram AMP Section ................................... Block Diagram Display Section ............................... Printed Wiring Board CD Board .............................. Schematic Diagram CD Board ................................. Printed Wiring Board CD Mechanism Boards ......... Schematic Diagram CD Mechanism Boards ............ Printed Wiring Boards Main Board .......................... Schematic Diagram Main Board (1/3) ..................... Schematic Diagram Main Board (2/3) ..................... Schematic Diagram Main Board (3/3) ..................... Printed Wiring Boards Panel Board ......................... Schematic Diagram Panel Board ............................... Printed Wiring Board CD-SW, Jog, Mic Boards ...... Schematic Diagram CD-SW, Jog, Mic Boards ........ Printed Wiring Board PA Board ............................... Schematic Diagram PA Board .................................. Printed Wiring Board Trans, Primary Boards .......... Schematic Diagram Trans, Primary Boards ............. IC Pin Function Description ............................................ 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 50
DISASSEMBLY
Disassembly Flow ........................................................... Side Panel, Top Case ....................................................... Loading Panel Assy ......................................................... Front Panel Assy .............................................................. Tuner Pack ....................................................................... Tape Mechanism Deck, Mic Board ................................. Panel Board, CD-SW Board ............................................ CD Mechanism Deck ...................................................... Back Panel ....................................................................... Primary Board ................................................................. Power AMP PC Board Assy, Main Board ....................... Surround Board, PA Board .............................................. Power Transformer (T1200) ............................................ Driver Board, SW Board ................................................. CD Board ......................................................................... Sensor Board ................................................................... Motor (TB) Board ........................................................... Motor (LD) Board ........................................................... 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16
8. 4. 5. 6. TEST MODE .............................................................. 17 MECHANICAL ADJUSTMENTS ....................... 21 ELECTRICAL ADJUSTMENTS
Deck section .................................................................... 21 CD Section ...................................................................... 22 8-1. 8-2. 8-3. 8-4.
EXPLODED VIEWS
56 57 58 59 60
Case (Top), Rear Panel Section ....................................... Front Panel Section ......................................................... Chassis Section ................................................................ CD Mechanism Deck Section-1 (CDM74-F1BD81) .......................................................... 8-5. CD Mechanism Deck Section-2 (CDM74-F1BD81) ..........................................................
9.
ELECTRICAL PARTS LIST ................................ 61
3
HCD-GNX60/GNX70/GX9900 SECTION 1 SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily damaged and should be handled with care. NOTES ON LASER DIODE EMISSION CHECK The laser beam on this model is concentrated so as to be focused on the disc reflective surface by the objective lens in the optical pickup block. Therefore, when checking the laser diode emission, observe from more than 30 cm away from the objective lens. · MODEL IDENTIFICATION Back Panel
PART No.
LASER DIODE AND FOCUS SEARCH OPERATION CHECK Carry out the "S curve check" in "CD section adjustment" and check that the S curve waveform is output several times.
MODEL GNX60: E2, E3 models GNX70: E2, E3 models GX9900 model GNX60: AR model GNX60: E51 model GNX70: AUS model GNX70: E51 model GNX60: AUS model
PART No. 2-547-454-0[] 2-547-456-0[] 2-547-458-0[] 2-588-965-0[] 2-588-966-0[] 2-588-967-0[] 2-588-968-0[] 2-588-974-0[]
· Abbreviation AR : Argentine model E2 : 120 V AC Area in E model E3 : 240 V AC Area in E model E51 : Chilean and Peruvian model AUS : Australian model
4
HCD-GNX60/GNX70/GX9900 SECTION 2 GENERAL
LOCATING THE CONTROLS This section is extracted from instruction manual.
List of button location s and reference pages
M a in unit
ALPHABETICAL ORDER A D M R SYMBOLS
MASTER VOLUME 8 MIC 1 (jack) wj MIC 2 (jack) wh MIC LEVEL wg MP3 BOOSTER q; MPX4)qk OPERATION DIAL wl PHONES (jack) wk Power illuminator wd REC PAUSE/START qh
S Z
ALBUM +/ ql AMP MENU ed AUTO/MANUAL3) 2 CD el CD SYNC qd Deck A ea Deck B ws DIRECTION qk DISC 1 ~ 3 7 Disc tray 9 DISPLAY rd Display rf
E L
MHC-GNX100/GNX66/ GNX60 2) For MHC-GNX88/GNX80/ . > (go backward/forward) qj GNX77/GNX70/GX9900 3) MHC-GNX100 only m M (rewind/fast forward) ql 4) For MHC-GNX88/GNX77/ X (pause) qf GNX66 x (stop) qg Z A (Eject A) es B Z (Eject B) w;
?/1 (power) ra Z OPEN/CLOSE 5 n N (play) qs
1) For
ECHO LEVEL wf ENTER wa EQ BAND qa EX-CHANGE/DISC SKIP 6 GROOVE eh ILLUMINATION rs IR Receptor r;
SOUND FLASH e; SPEAKERS3) 1 SURROUND1) rg SURR SPEAKER MODE2) rg TAPE A/B ej Tape lid ws ea TUNER/BAND ek TUNING +/ qj TV eg VIDEO/MD ef X-ROUND buttons3) 3 WA VE/FADER/BALANCE/ RANDOM/TWISTER X-ROUND JOG3) 4 X-ROUND OFF3) 1
T op Pa ne l
1 2
3
4
7
6 5
Front Pa ne l
rg rf rd rs ra r; el ek ej eh eg ef ed es ea e; wl
8 9 0 qa qs qd qf qg qh qj qk ql w; wz ws wd
wk
wj wh wg wf
5
HCD-GNX60/GNX70/GX9900
This section is extracted from instruction manual.
Re m ot e c ont rol
ALPHABETICAL ORDER A E
ALBUM + qf ALBUM qh CD wf CLEAR qk CLOCK/TIMER SELECT 2 CLOCK/TIMER SET 4 DISC SKIP qd DISPLAY wh ENTER qs EQ qj
F Z
TAPE wd TUNER/BAND 7 TUNER MEMORY wg TUNING MODE 5 VOLUME +/ qg The + button has a tactile dot.*
SYMBOLS
1
2
3
?/1 (power) 3 x (stop) qa X (pause) ql N (play) w; . (go backward) ws >+ (go forward) wa m (rewind) q; M (fast forward) 9
wh wg wf wd ws wa w; ql qk qj qh
4 5 6 7 8 9 q; qa qs qd qf qg
FM MODE 6 FUNCTION 8 PLAY MODE 5 REPEAT 6 SLEEP 1
* Use the tactile dot as a reference when operating the system.
6
HCD-GNX60/GNX70/GX9900 SECTION 3 DISASSEMBLY
· This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SET
3-2.SIDE PANEL, TOP CASE (Page 8)
3-3.LOADING PANEL ASSY (Page 8)
3-4.FRONT PANEL ASSY (Page 9)
3-5.TUNER PACK (Page 9)
3-6.TAPE MECHANISM DECK, MIC BOARD (Page 10)
3-7.PANEL BOARD, CD-SW BOARD (Page 10)
3-8.CD MECHANISM DECK (Page 11)
3-9.BACK PANEL (Page 11)
3-14.DRIVER BOARD, SW BOARD (Page 14)
3-15.CD BOARD (Page 14)
3-16.SENSOR BOARD (Page 15)
3-11.POWER AMP PC BOARD ASSY, MAIN BOARD (Page 12)
3-10.PRIMARY BOARD (Page 12)
3-13.POWER TRANSFORMER (T1200) (Page 13)
3-17.MOTOR (TB) BOARD (Page 15)
3-12.SURROUND BOARD, PA BOARD (Page 13)
3-18.MOTOR (LD) BOARD (Page 16)
7
HCD-GNX60/GNX70/GX9900
Note: Follow the disassembly procedure in the numerical order given.
3-2. SIDE PANEL, TOP CASE
7 two screws (case 3 TP2) (3X12) qd CASE (TOP) 8 two screws (+BVTP 3X10) qa two screws (+BVTP 3X10) qs
9
0 PANEL (SIDE-R)
6 screw (case 3 TP2) (3X8)
2 two screws (case 3 TP2) (3X12)
4
3 two screws (+BVTP 3X10) 5 PANEL (SIDE-L)
1 screw (case 3 TP2) (3X8)
3-3. LOADING PANEL ASSY
CD mechanismdeck (CDM74-F1BD81) 1 Turn the pulley to the arrow direction.
4 loading panel assy
Pulley
3
Front side
2 Pull out disc tray
8
HCD-GNX60/GNX70/GX9900
3-4. FRONT PANEL ASSY
7 connector (CN100) 9 CNP509 4 screw (+BVTP 3X10) 8 CNP508
3 screw (+BVTP 3X10)
lug
6 front panel assy
qa connector (CN1102) q; connector (CN503)
qs connector (tape mechanism deck)
5 screw (+BVTP 3X6)
2 three screws (+BVTP 3X10) 1 two screws (+BVTP 3X10)
3 tuner pack
3-5. TUNER PACK
2 CNP1
1 two screws (+BVTP 3X6)
4 cover (tuner)
9
HCD-GNX60/GNX70/GX9900
3-6. TAPE MECHANISM DECK, MIC BOARD
2 cover (TCM)
3 screw (+BVTP2.6 (3CR))
1 four screws (+BVTP2.6 (3CR))
4 tape mechanism deck 5 two screws (+BVTP2.6 (3CR)) 6 bracket (MIC)
8 MIC board 7 two knobs (MIC)
3-7. PANEL BOARD, CD-SW BOARD
7 three screws (+BVTP2.6 (3CR)) 6 two screws (+BVTP2.6 (3CR)) 5 two screws (+BVTP2.6 (3CR))
qa three screws (+BV3 (3CR)) qs CD-SW board
4 two screws (+BVTP2.6 (3CR))
8 connector (CNS902)
3 three screws (+BVTP2.6 (3CR)) 0 PANEL board
9 claw 1 knob vol
2 knob (AMS)
10
HCD-GNX60/GNX70/GX9900
3-8. CD MECHANISM DECK
2 CD mechanism deck
3 CNP505
1 screw (+BVTP 3X10)
4 connector (CN701)
MAIN board
3-9. BACK PANEL
6 back panel
2 connector (CN1204)
5 two screws (+BVTP 3X10)
1 connector (CN1200) 7 connector (CN580)
4 two screws (+BVTP 3X10)
3 three screws (GNX60) four screws (GNX70/GX9900) (+BVTP 3X10)
GNX70/GX9900 only
11
HCD-GNX60/GNX70/GX9900
3-10. PRIMARY BOARD
1 connector (CN101)
4 PRIMARY board
3 screw (+BVTP 3X8)
2 connector (CN201)
3-11. POWER AMP PC BOARD ASSY, MAIN BOARD
4 two screws (+BVTP 3X6)
5 screw (+BVTP 3X6)
7 power AMP PC board assy 3 screw (+BVTP 3X6)
1 connector (CN1213)
6 screw (+BVTP 3X10)
2 connector (CN1212)
9 screw (+BVTP 3X10) q; MAIN board 8 two screws (+BVTP 3X10)
12
HCD-GNX60/GNX70/GX9900
3-12. SURROUND BOARD, PA BOARD
2 SURROUND board
1 two screws (+BVTP 3X10) 8 heat sink 3 two screws (+BVTP 3X10) q; bracket
9 screw (+BVTP 3X10) 4 holder
qa PA board
6 two screws (transistor)
5 three screws (+BVTP 3X10) 7 two screws (+BVTP 3X10)
3-13. POWER TRANSFORMER (T1200)
4 two screws (+BVTP 4X8) 3 two screws (+BVTP 4X8)
TRANS board
5 power transfomer (T1200)
1 connector (CN1213)
2 connector (CN1212)
13
HCD-GNX60/GNX70/GX9900
3-14. DRIVER BOARD, SW BOARD
1 two screws (+BTTP (M2.6)) 3 connector (CN703) 4 DRIVER board 5 screw (+BTTP (M2.6))
6 SW board
2 wire (flat type) (CN702)
3-15. CD BOARD
qg Remove the four solderings of motor. 4 floating screw (+PTPWH M2.6) 5 coil spring (insulator) 9 two screws (BVTT M2.6) 7 insulator qj CD board 3 screw (BVTT M2.6) 6 coil spring (insulator) 8 insulator qk optical pick-up (KSM-215DCP/C2NP) qd qf screw (+BVTP 2.6x 8)
qh CN101 (flat type)
0 two stoppers (BU) qa two coil springs (insulator)
qs two insulators 1 floating screw (+PTPWH M2.6)
2 holder (213) ASSY
14
HCD-GNX60/GNX70/GX9900
3-16. SENSOR BOARD
1 floating screw (+PTPWH M2.6) 2 tray 8 screw (+BTTP (M2.6)) 3 belt (table) 0 SENSOR board 4 floating screw (+PTPWH M2.6) 5 pulley (table)
6 floating screw (+PTPWH M2.6) 7 gear (geneva)
9 connector (CN731)
3-17. MOTOR (TB) BOARD
2 stopper
4
1 stopper 7 table motor assy (M741)
3 wire (flat type) 5 core (CN742) 8 MOTOR (TB) board 6 Remove the two solderings of motor. 5 two screws (+BTTP (M2.6))
15
HCD-GNX60/GNX70/GX9900
3-18. MOTOR (LD) BOARD
3 two screws (+BTTP (M2.6)) 2 Remove the two solderings of motor. 4 MOTOR (LD) board
5 loading motor assy (M751)
1 belt (loading)
16
HCD-GNX60/GNX70/GX9900 SECTION 4 TEST MODE
[GC TEST MODE] · This mode is used to check the fluorescent indicator tube, LEDs, keys, MASTER VOLUME jog, OPERATION DIAL jog, AMS jog, destination, software version and VACS level. Procedure: 1. Press x button, [ENTER] button and [DISC 2] button simultaneously. 2. All LEDs and segments in fluorescent indicator tube are lighted up. All LEDs are lighted up in red color. If the system is turned on, the `/1 LED is lighted up in green color. 3. When you want to enter the software version display mode, press [DISC 1] button. The model and destination are displayed. 4. Each time [DISC 1] button is pressed, the display changes from MC version, GC version, SYS version, CD version, CDDM version, CDMA version, CDMB version, BDA version, BDB version, ST version, TC version, TA version and TM version in this order, and returns to the MC version display. 5. When [DISC 3] button is pressed while the version numbers are being displayed except model and destination, the date of the software creation appear. When [DISC 3] button is pressed again, the display returns to the software version display. When [DISC 1] button is pressed while the date of the software creation is being displayed, the date of the software creation is displayed in the same order of software version display. 6. Press [DISC 2] button, the key check mode is activated. 7. In the key check mode, the fluorescent indicator tube displays "K 0 J0V0E0 X0". Each time a button is pressed, "K" value increases. However, once a button has been pressed, it is no longer taken into account. "J" value increases in the manner of 0,1, 2, 3 ... if [OPERATION DIAL] knob is turned clockwise, or it decreases in the manner of 0, 9, 8, 7 ... if [OPERATION DIAL] knob is turned counterclockwise. "V" value increases in the manner of 0,1, 2, 3 ... if [VOLUME] knob is turned clockwise, or it decreases in the manner of 0, 9, 8, 7 ... if [VOLUME] knob is turned counter-clockwise. "E" value increases in the manner of 0,1, 2, 3 ... if . > knob is turned clockwise, or it decreases in the manner of 0, 9, 8, 7 ... if . > knob is turned counter-clockwise. 8. When [DISC 3] button is pressed after all LEDs and segments in fluorescent indicator tube light up, the fluorescent indicator tube displays "VACS A+B APCC". A is VACS level which is triggerd by signal level, B is VACS level which is triggerd by temperature and CC is VACS level which is triggerd by APVACS (Abuse Protection VACS). The signal level, which will trigger VACS A is shown in the center area of fluorescent indicator tube. 9. When [EX-CHANGE/DISC SKIP] button is pressed after all LEDs and segments in fluorescent indicator tube light up, alternate segments in fluorescent indicator tube would light up. If you press [EX-CHANGE/DISC SKIP] button again, another half of alternate segments in fluorescent indicator tube would light up. Pressing [EX-CHANGE/DISC SKIP] button again would cause all segments lights up. 10. To release this mode, press three buttons in the same manner as step 1, or disconnect the power cord. [MC TEST MODE] · This mode is used to check operations of the respective sections of Amplifier, Tuner, and Tape. Procedure: * To enter MC Test Mode 1. Press x button, [ENTER] button and [DISC 3] button simultaneously. 2. The CD ring indicators, TAPE A and TAPE B indicators flash on the fluorescent indicator tube. The function is changed to VIDEO. * Check of Amplifier 1. Press [EQ BAND] button repeatedly until a message "GEQ MAX" appears on the fluorescent indicator tube. GEQ increases to its maximum. 2. Press [EQ BAND] button repeatedly until a message "GEQ MIN" appears on the fluorescent indicator tube. GEQ decreases to its minimum. 3. Press [EQ BAND] button repeatedly until a message "GEQ FLAT" appears on the fluorescent indicator tube. GEQ set to flat. 4. When the [MASTER VOLUME] knob is turned clockwise even slightly, the sound volume increases to its maximum and a message "VOLUME MAX" appears on the fluorescent indicator tube. 5. When the [MASTER VOLUME] knob is turned counter-clockwise even slightly, the sound volume decreases to its minimum and a message "VOLUME MIN" appears on the fluorescent indicator tub. * Tape function 1. When a tape is inserted in Deck B and recording is started, the function is changed to VIDEO automatically. When [CD SYNC] button is pressed during recording in function, ALC (Automatic Level Control) is turned on. 2. During recording, turn m M knob to counter clockwise rotation will change the function to TAPE B and rewind the tape in deck B until the recording start position and playback of the tape in deck B is started. If the [REC PAUSE/ START] button is pressed for a pause and pressed again to resume recording during recording time, when the tape in deck B is rewind, the tape in deck B will be rewind until the position where the pause is applied. * To release MC Test mode. 1. To release this mode, press ?/1 button. 2. The cold reset is enforced at the same time.
[COLD RESET] · The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press x button, [ENTER] button, and ?/1 button simultaneously. 2. The fluorescent indicator tube becomes blank for a while, and the set is reset.
17
HCD-GNX60/GNX70/GX9900
[VACS ON/OFF] · This mode is used to switch ON and OFF the VACS (Variable Attenuation Control System). Procedure: 1. Press ?/1 button to turn the set ON. 2. Press x button and [ILLUMINATION] button simultaneously. The message "VACS OFF" or "VACS ON" appears on the fluorescent indicator tube. [TUNER STEP CHANGE] · The step interval of AM channels can be toggled between 9 kHz and 10 kHz. Procedure: 1. Press ?/1 button to turn the set ON. 2. Press [TUNER/BAND] button repeatedly to select the "AM". 3. Press ?/1 button to turn the set OFF. 4. Press [ENTER] button and ?/1 button simultaneously. The system will turn ON automatically. The message "AM 9k STEP" or AM 10k STEP" appears on the fluorescent indicator tube and thus the channel step is changed. [CD SERVICE MODE] · This mode let you move the CD sled motor freely. Use this mode when you want to clean the optical pick-up. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select CD function. 3. Press x , [ENTER] button, and Z OPEN/CLOSE button simultaneously. 4. The CD service mode is activated. The message "SERVICE MODE" appears. 5. With the CD in stop status, turn m M knob to clockwise rotation to move the optical pick-up to outside track, or turn m M knob to counterclockwise rotation to move to inside track. The message "SLED OUT" or "SLED IN" appears on the fluorescent indicator tube. 6. To turn on or off the laser, press [DIRECTION] button. The message "LASER ON" or "LASER OFF" appears on the fluorescent indicator tube. 7. To release this mode, press ?/1 button.
[AGING MODE] This mode can be used for operation check of CD section. · If an error occurs, the aging operation would stops and the status is displayed. · If there are no error occurs, the aging operation would continues repeatedly. Procedure: 1. Press ?/1 button to turn the set ON 2. Select CD function. 3. Load three discs on the disc tray. 4. Press [PLAY MODE] button repeatedly to select the "ALL DISCS" mode, and press the [REPEAT] button repeatedly to select "REPEAT OFF" mode. 5. Press x button, [ENTER] button, and [EX-CHANGE/DISC SKIP] button simultaneously. 6. Aging operation is started. 7. To release this mode, press ?/1 button or disconnect the power cord to turn the power OFF. Aging mode sequence:
Start (from disc 1)
Disc chucking
TOC reading
Play first track for 2 seconds
Play last track for 2 seconds
EX-CHANGE open/close
Open the disc tray
Disc skip
Close the disk tray
Change the next disc
18
HCD-GNX60/GNX70/GX9900
· Display when an error occurred (CD Error Code Mode) Procedure: 1. Press x button, [ENTER] button and [DISC 1] button simultaneously to enter the error code display mode. 2. The fluorescent indicator tube displays the number of total error. 3. Each time m M knob is rotated, display change as below.
Display of total error
> + direction . direction
3) Display of no disc errors
Display
D*$$%%&&##00
D*: The number of mechanical error ("00" is latest one) (Rotate . > knob in the direction of either to display next error) $$: Error type 01: Focus error 02: GFS error 03: Setup error %%: Not used &&: 00: No disc judgment without chucking retry. 01: No disc judgment after chucking retry. ##: The state when judged as no disc 01: Stop 02: Setup 03: TOC reading 04: Access 05: Playback 06: Pause 07: Manual search (Play) 08: Manual search (Pause)
Display of Mechanical errors
> + direction . direction
Display of no disc errors
4. To clear the error record, operate the cold reset. (Refer to the "COLD RESET") 5. To release this mode, press the ?/1 button or disconnect the power cord to turn the power OFF. 1) Display of total error
Display
Em**Ed**
EM**: The number of mechanical errors. ED**: The number of no disc errors after chucking the disc. 2) Display of mechanical errors
Display
[CD REPEAT 5 LIMIT OFF MODE] · The number of repeat for CD playback is 5 times when the repeat mode is "REPEAT ALL". This mode enables CD to repeat playback for limitless times. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select CD function. 3. Press x button, [CD] button and [DISC 1] button simultaneously to enter the CD repeat 5 limit off mode and the message "LIMIT OFF" appears on the fluorescent indicator tube . 4. To release this mode, operate the cold reset. (Refer to the " COLD RESET") [CD SHIP MODE (WITH MEMORY CLEAR)] · This mode moves the optical pick-up to the position durable to vibration and clears all data including preset data stored in the RAM to initial conditions. Use this mode when returning the set to the customer after repair. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select CD function. 3. Press x button, [CD] button and ?/1 button simultaneously. The set will power off automatically. 4. After the "STANDBY" blinking display finish, a message "LOCK" appears on the fluorescent indicator tube and the CD ship mode is set.
M*$$%%&&##00
M*: The number of mechanical error ("00" is latest one) (Rotate . > knob in the direction of either to display next error) $$: Not used %%: Loading related error (Second figure is not used) D: Stop by the problem other than mechanical problem while closing. E: Stop by the problem other than mechanical problem while opening. C: Stop by the problem other than mechanical problem while chucking up. F: Stop by the problem other than mechanical problem while chucking down. &&: Emerging error 01: Stop while chucking up. 02: Stop while chucking up. 03: Time-out of EX-CHANGE open. 05: Time-out of EX-CHANGE close. ##: Not used
19
HCD-GNX60/GNX70/GX9900
[CD SHIP MODE (WITHOUT MEMORY CLEAR)] · This mode moves the optical pick-up to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select CD function. 3. Press [CD] button and ?/1 button simultaneously. The set will power off automatically. 4. After the "STANDBY" blinking display finish, the message "LOCK" appears on the fluorescent indicator tube and the CD ship mode is set. [CD POWER MANAGE] · This mode let you switch on or off, the power supply to the BU during TUNER function. · When CD POWER is set to OFF, the power supply to the BU is cut off during TUNER function. It will increase the time taken to access CD when function change from TUNER to CD but it will improve tuner reception. · When CD POWER is set to ON, the power supply to the BU is not cut off during TUNER function. It will reduce the time taken to access CD when function change from TUNER to CD but it will decrease tuner reception performance. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select CD function. 3. Press ?/1 button to turn the set OFF. 4. Press x button and ?/1 button simultaneously. The set will power on automatically. 5. The message "CD POWER ON" or "CD POWER OFF" appears on the fluorescent indicator tube.
[CD TRAY LOCK MODE] · This mode let you lock the disc trays. When this mode is activated, the disc tray will not open when Z OPEN/CLOSE button or [EX-CHANGE/DISC SKIP] button is pressed. The message "LOCKED" appears on the fluorescent indicator tube. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select CD function. 3. Press x button and Z OPEN/CLOSE button simultaneously and hold down until "LOCKED" or "UNLOCKED" appears on the fluorescent indicator tube (around 5 seconds). [VIDEO/MD SWITCHING] · This mode let you switch from VIDEO to MD and vice-versa. Procedure: 1. Press ?/1 button to turn the set ON. 2. Select VIDEO function. 3. Press [VIDEO/MD] button and ?/1 button simultaneously. The function will change to MD. Press the same buttons again to change from MD to VIDEO. [REMOTE COMMANDER DISABLE MODE] · This mode let you disable the remote commander reception. When this mode is activated, the set will not response if the button on the remote commander is pressed. The message "RemoteDisable" will be displayed on the fluorescent indicator tube. Use this mode during aging to avoid disturbance. · Procedure: 1. Press x button, [GROOVE] button and [DISC 2] button simultaneously. The message "RemoteDisable" appears on the fluorescent indicator tube. To enable the remote commander reception, press the same buttons again. The message "RemoteEnable" appears on the fluorescent indicator tube.
20
HCD-GNX60/GNX70/GX9900 SECTION 5 MECHANICAL ADJUSTMENTS
Precaution 1. Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagnetizer. 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement
Mode FWD Torque meter CQ-102C Meter reading 3.06 N · m to 6.96 N · m 31 to 71 g · cm (0.43 0.98 oz · inch) 0.19 N · m to 0.58 N · m 2 to 6 g · cm (0.02 0.08 oz · inch) 3.06 N · m to 6.96 N · m 31 to 71 g · cm (0.43 0.98 oz · inch) 0.19 N · m to 0.58 N · m 2 to 6 g · cm (0.02 0.08 oz · inch) 6.96 N · m to 14.02 N · m 71 to 143 g · cm (0.98 1.99 oz · inch) 9.80 N · m 100 g or more (3.53 oz or more) 9.80 N · m 100 g or more (3.53 oz or more)
SECTION 6 ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB=0.775 V
1. Demagnetize the record/playback head with a head demagnetizer. 2. Do not use a magnetized screwdriver for the adjustments. 3. After the adjustments, apply suitable locking compound to the parts adjust. 4. The adjustments should be performed with the rated power supply voltage unless otherwise noted. 5. The adjustments should be performed in the order given in this service manual. (As a general rule, playback circuit adjustment should be completed before performing recording circuit adjustment.) 6. The adjustments should be performed for both L-CH and RCH. 7. Switches and controls should be set as follows unless otherwise specified. · Test Tape Tape P-4-A100 Signal 10 kHz, 10 dB Used for Azimuth Adjustment
FWD back tension
CQ-102C
REV
CQ-102RC
RECORD/PLAYBACK HEAD AZIMUTH ADJUST-MENT
REV back tension
DECK A
DECK B
CQ-102RC
Note: Perform this adjustments for both decks
FF/REW
CQ-201B
Procedure: 1. Mode: Playback
test tape P-4-A100 (10 kHz, 10 dB) MAIN board CN510 Pin 1 (L-CH) Pin 3 (R-CH) level meter set MAIN board CN510 Pin 2 (GND) +
FWD tension
CQ-403A
REV tension
CQ-403R
21
HCD-GNX60/GNX70/GX9900
2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak.
CD SECTION
Note:
L-CH peak Output level
within 1dB within 1dB
1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10M impedance. 4. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks. S-curve Check Connection:
Screw position
R-CH peak L-CH peak R-CH peak
Screw position
CD board TPO102 (FE1) TP117 (VC)
oscilloscope
3. Mode: Playback
test tape P-4-A100 (10 kHz, 10 dB) L-CH MAIN board CN510 set R-CH pin 3 waveform of oscilloscope
+
oscilloscope pin 1 pin 2 L R V H
Procedure: 1. Connect an oscilloscope to test point TPO102 (FE1) and TP 117(VC) on the CD board. 2. Turn the power on. 3. Put the disc (YEDS-18) in and turned power switch on again and actuate the focus search. (actuate the focus search when disc table is moving in and out) 4. Check the oscilloscope waveform (S-curve) is symmetrical between A and B. And confirm peak to peak level within 2.4 ± 1 Vp-p.
S-curve waveform
symmetry
in phase 45 ° good
90 ° 135 ° 180 ° wrong
4. After the adjustments, apply suitable locking compound to the pats adjusted. Adjustment Location: Playback Head (Deck A). Record/Playback/Erase Head (Deck B).
A within 2.4 ± 1 Vp-p B
Note: · Try to measure several times to make sure than the ratio of A : B or B : A is more than 10 : 7. · Take sweep time as long as possible and light up the brightness to obtain best waveform. Checking Location: CD board (SIDE B) (See page 24.)
forward
reverse
22
HCD-GNX60/GNX70/GX9900
RFAC Level Check Connection:
oscilloscope CD board TP124 (RFAC) TP117 (VC)
+
E-F Balance Check Connection:
oscilloscope CD board TPO103 (TE1) TP117 (VC)
+
Procedure: 1. Connect an oscilloscope to test point TP124 (RFAC) and TP 117(VC) on the CD board. 2. Turn the power on. 3. Put the disc (YEDS-18) in to playback the number five track. 4. Confirm that oscilloscope waveform is clear and check RFAC signal level is correct or not.
Note: A clear RFAC signal waveform means that the shape "" can be clearly distinguished at the center of the waveform.
RFAC signal waveform VOLT/DIV: 200 mV TIME/DIV: 500 ns
level: 0.9 ± 0.4 Vp-p
Procedure: 1. Connect an oscilloscpe to test point TPO103 (TE1) and TP117 (VC) on the CD board. 2. Turn the power on. 3. Select the function "CD". 4. Press three buttons of [ENTER], M , and [SURRUUND MODE] simultaneously to set the CD service mode. 5. Put the disc (YEDS-18) in to playback the number five track. 6. Press the . button. The message "TRAVERSE" is displayed. (The tracking servo and the sledding servo are turned OFF) 7. Check the level B of the oscilliscope's waveform and the A (DC voltage) of the center of the Traverse waveform. Confirm the following : A/B x 100 = less than ± 22%
Traverse Waveform
Center of the waveform B
Checking Location: CD board (SIDE B) (See page 24.)
0V
A (DC voltage) level: 1.0 ± 0.5 Vp-p
8. Press the . button. The message "TRAVERSE" is displayed. (The tracking servo and sledding servo are turned ON) Confirm the C (DC voltage) is almost equal to the A (DC voltage) is step 5. 9. To exit from this mode, perform as follows. 1) Move the optical pick-up to the most inside track. 2) Press three buttons of x , [CLEAR], and [DISPLAY] simultaneously. (cold reset)
Notes:
·
·
Always move the optical pick-up to most inside track when exiting from this mode. Otherwise, a disc will not be unloaded. Do not run the sled motor excessively, otherwise the gear can be chipped.
Traverse Waveform
0V Tracking servo Sled servo OFF Tracking servo Sled servo ON
C (DC voltage)
Checking Location: CD board (SIDE B) (See page 24.)
23
HCD-GNX60/GNX70/GX9900
Checking Location: CD BOARD (SIDE B)
TP117 (VC) JPO103 (TE1)
IC101 JPO102 (FE1)
TP124 (RFAC)
24
HCD-GNX60/GNX70/GX9900 SECTION 7 DIAGRAMS
For schematic diagrams. Note: · All capacitors are in µF unless otherwise noted. (p: pF) 50 V or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. · % : indicates tolerance. · f : internal component. · 2 : nonflammable resistor. · 5 : fusible resistor. Note: The components identified by mark 0 or dotted line with mark ! are critical for safety. Replace only with part number specified. · · · · · C : panel designation. A : B+ Line. B : B Line. H : adjustment for repair. Voltages and waveforms are dc with respect to ground under no-signal conditions. CD board no mark: CD PLAY Other board no mark: TUNER (FM/AM) ( ) : CD PLAY < > : TAPE PLAY [ ] : TAPE REC * : Impossible to measure Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. Circled numbers refer to waveforms. Signal path. F : TUNER (FM/AM) E : TAPE PLAY (DECK A) d : TAPE PLAY (DECK B) G : RECORD J : CD PLAY N : MIC INPUT Note on Printed Wiring Boards: Note: · X : parts extracted from the component side. : Pattern from the side which enables seeing. · (The other layers' patterns are not indicated.) Caution: Parts face side: (Side A) Pattern face side: (Side B)
Parts on the parts face side seen from the parts face are indicated. Parts on the pattern face side seen from the pattern face are indicated.
· Indication of transistor.
C Q B E These are omitted.
Q B C E These are omitted.
Q B C E These are omitted.
·
·
· ·
· Abbreviation AR : Argentine model AUS : Australian model E2 : 120V AC Area in E model E3 : 240V AC Area in E model E51 : Chilean and Peruvian model
· Abbreviation AR : Argentine model AUS : Australian model E2 : 120V AC Area in E model E3 : 240V AC Area in E model E51 : Chilean and Peruvian model
25
HCD-GNX60/GNX70/GX9900
7-1. CIRCUIT BOARD LOCATION
PRIMARY board CD-SW board TUNER PACK
SWITCHING POWER
TRANS board
SURROUND board
PA board
SENSOR board
SW board MOTOR (LD) board
CD board MOTOR (TB) board
DRIVER board
PANEL board
JOG board
MAIN board MIC board
26
HCD-GNX60/GNX70/GX9900
7-2. BLOCK DIAGRAM CD SECTION
AOUT1 81
CD-L
A
IC210
3
MAIN SECTION (Page 29)
OPTICAL PICK-UP BLOCK (KSM-215DCP/C2NP)
DETECTOR VCC VC A B C D E F Q10 LD LD DRIVER 36 LD +3.3V 25 VC 26 A 27 B 28 C 29 D 19 E 20 F
AOUT2 86
R-CH
CD MUTE Q250,251 CD MUTE DRIVE Q540, 541
GNX60/GNX70
IC101
RF AMP DOUT 71
OPTICAL OUT
IC301
DIGITAL SIGNAL PROCESSOR
CD DIGITAL OUT OPTICAL
IC303
PCMD1 61 LRCKI 62 LRCK 63 PCMD 65 BCK 66 BCK1 60 11 SDO0 16 LRCKIA 19 SFSY/LRCK1B 14 SDI0 15 BCKIA 18 SBSY/BCK1B VDD 55 VDD 21 VDDM 40 5 REG 1 +3.3V
IC701
STANBY 3
PO11/BUCK/AD1 36 MIACK 8 MICK 7 MIDIO 6 MILP 5 XTACN 95 XTCN XRST DATA XLT CLOCK SENS SCOR MICS 4 RESET 2 SRMSTB 41
MP3 STB MP3 REQ MP3 ACK MP3 CLK MP3 DATA MP3 LP MP3 CS MP3 RST
(LD)MOTOR DRIVER
27 MP3 STB 26 MP3 REQ 25 MP3 ACK 7 MP3 CLK 5 MP3 DATA OUT 24 MP3 LP 23 MP3 CS 22 MP3 RST 6 MP3 DATA IN 19 SCOR 21 SENS 18 CD-CLK 3 XLAT 2 CD-DATA 1 XRST 28 XTCN
LMR 46 LMF 45 TM-R 44 TM-F 43 TBL_SENS 39 E-1 42 E-2 41 E-3 40 OPEN SW 38
9 RIN 7 FIN
OUT1 4 OUT2 2
M
M751(LOADING)
GND X171 16.9MHz
77 XTAO 78 XTAI
IC712
TBL MOTOR DRIVER 9 RIN 7 FIN OUT1 4 OUT2 2
M
M741(TBL)
PD VR
37 PD
XRST 100 DATA 102 XLAT 104 CLOCK 105 SENS 107 SCOR 115
D+3.3V
IC251
SL/SP MOTOR DRIVER F+ OUT 12 CH2OUT-F VREF 26 CH1FIN 4 11 CH2OUT-R CH1RIN 5 13 CH1OUT-R CH2FIN 6 14 CH1OUT-F CH2RIN 7 15 CH4OUT-R 14 FRDR 13 FFDR 12 TRDR
SCOR SENS CLOCK XLT DATA XRST XTCN
Q731 INVERTER
IC731
(TABLE SENSOR)
FOCUS COIL
F T+
11 TFDR
IC401 (1/5)
SYSTEM CONTROL
RE701 E-3 ROTARY E-2 ENCODER E-1 S751 (LEVER SW)
RESET IIC-DATA
VMUTE
T
37 CD MUTE
34 33 31 32 9
CDG-DET
VMUTE
16 CH4OUT-F CH3RIN 22 17 CH3OUT-F 10 SRDR 6 MPD 100 XRST
CNVCC
M101 M (SPINDLE)
CDG-POWER
CDG/_BGC
CNVCC
TRACKING COIL
CD POWER
CDG/BGC
CDG DET
CH3FIN 23
9 SFDR
IIC-CLK NO402
B
DISPLAY SECTION (Page 31)
M102 (SLED)
M
18 CH3OUT-R
OPIN+ 2 MUTE 20
3 4
IIC-CLK IIC-DATA
S101 (LIMIT)
7 SSTP
VMUTE CDG/_BGC CDG/-DET CDG/-POWER CNVSS
CN402 2 TXD1 3 6 7 8 9 RTS1 CLK1 RXD1 CN VSS RESET ON BOARD PROGRAM
· R-CH is omitted due to same as L-CH. · SIGNAL PATH
: CD
HCD-GNX60/GNX70/GX9900
27
27
HCD-GNX60/GNX70/GX9900
7-3. BLOCK DIAGRAM TAPE SECTION
DECK-A L CH PB HEAD R CH R-CH SWITCH DRIVE Q382, 383 34 32 AIN1 A B BIN1 R-CH EQ OUT1 TAI1 PB OUT1 TC-PB-L CN510 MUTE Q280 R-CH MUTE DRIVE Q542, 543 L R TEST CONNECTOR
28
27
26
C
MAIN SECTION
(Page 29)
DECK-B L CH REC/PB HEAD R CH R-CH
Q376 Q373, 374
Q381 SWITCH DRIVE Q377, 379 21 REC-OUT1 EQ
DECK A/B SELECT PB/REC EQUALIZER AMP
IC301
REC IN1 REC-OUT-L MAIN SECTION (Page 29)
C174, L104 R-CH BIAS TRAP
REC MUTE ON/OFF
24
D
MUTE ON/OFF
ALC ON/OFF
SYSTEM CONTROL (CD/TAPE MECHANISM CONTROL)
ERASE HEAD
BIAS OSC Q370
A/B
T301
BIAS+9V Q378,380
IC401(2/5)
13
11
15
14
65 TC-MUTE/IO-EXP DATA OUT 67 REC-MUTE 58 ALC TC BLOCK REC(REV) REC(FWD) B SHUT A SHUT BPLAY APLAY BHALF AHALF ATRGM+ 90 89 51 47 94 48 57 53 BSHUT ASHUT B-PLAY A-PLAY B-HALF A-HALF TC-RELAY A-TRIG 59 PB-A/B 56 REC BIAS
Q340, 343 A TRIG DRIVE Q342, 345 B TRIG DRIVE Q341,344 CAP MOTOR DRIVE
BTRGM+
55 B-TRIG
CAP M+ CN509 FM/AM TUNER UNIT ST-L FM 75 COAXIAL FM ANT ST-R R-CH ST-L
54 CAPM-CONT
E
MAIN SECTION (Page 29)
TUNED AM ANT AM AM ANT ANTENNA ST-DIN ST-DOUT ST-CLK ST-CE
88 TUNED 87 85 86 84 MC DOUT(ST) MC DIN(ST) ST-CLK ST-CE
· R-CH is omitted due to same as L-CH. · SIGNAL PATH
: TUNER (FM/AM) : PLAYBACK (DECK A) : PLAYBACK (DECK B) : RECORD
HCD-GNX60/GNX70/GX9900
28
28
HCD-GNX60/GNX70/GX9900
7-4. BLOCK DIAGRAM MAIN SECTION
J1100(1/3) MIC 1
RV1100 MIC LEVEL 3 MIC AMP 1
J1101(1/3) MIC 2
IC1100(1/2)
J1100(2/3)
+
6
MIC AMP
7
MIC OUT
REC-OUT-L
IC1100 (2/2)
J1100(3/3)
D
TAPE SECTION (Page 28)
J1101(2/3) 2
DIGTAL LPF1 ECHO LPF2 9 OUT IN
J1101(3/3)
IC1101
R-CH ECHO LEVEL 2 INPUT SELECT SWITCH, GRAPHIC EQUALIZER CONTROL, ELECTRICAL VOLUME J101 MD/VIDEO AUDIO IN L R R-CH IND1 6 INB1 4 INA1 3 INC1 5 7 R-CH INEX1 R-CH R
MIC
8
RECB1
+
C A B C A B MID/ BASS & TREBLE VOLIN1 TOUT1 14 15 VOLUME CONTROL
SWOUT
24
OUT1 18
IC101
INPUT SELECT SWITCH
+
SURROUND OR DPL BUFFER
R-CH
COMMAND
CPU INTERFACE
BB-A1 BB-B1 DATA CLK
TV AUDIO IN
L
+
SAOUT
19
+
21
22
16
17
Q101 TAPE SECTION (Page 28) TAPE SECTION (Page 28) CD SECTION (Page 27)
C E A
TC-PB-L ST-L CD-L
A+9V
R-CH DISPLAY SECTION (Page 31)
SPEANA
F
DBFB F/B
G
AMP SECTION (Page 30)
F-R R-CH
H
MUTE Q180, 181 F-L
AMP SECTION (Page 30)
Q544,545 BUFFER
66
LINE MUTE
81
M61529-DATA
82
M61529-CLK
SYSTEM CONTROL
IC401 (3/5)
· R-CH is omitted due to same as L-CH. · SIGNAL PATH
: TUNER (FM/AM) : CD : TAPE PLAY : RECORD : MIC INPUT
HCD-GNX60/GNX70/GX9900
29
29
HCD-GNX60/GNX70/GX9900
7-5. BLOCK DIAGRAM AMP SECTION
MAIN SECTION (Page 29)
G
DBFB F/B
J1103 PHONES
IC600 POWER AMP F-L MAIN SECTION (Page 29) 18 11 10 8 9 12 MUTING Q604, 606, 610 TH629 THERMAL DETECT Q628, 630 OVER LOAD DETECT Q668, 618
D624
TM600
H
F-R 14
+
+
RY646
+
+ + TM601
L FRONT SPEAKER R GNX70/GX9900
MUTING Q640, 641
RELAY DRIVE Q644, 647
F-RELAY H/P DET
STK MUTE
MUTING CONTROL Q634,682
+ + RY665 RELAY DRIVE Q666
L SURR SPEAKER R
Q648
4
CT
DC DET
VP
2 D550 1 HP-MUTE
FAN DET FAN-ON FAN-K Q583
3
OUT
OVER LOAD
OCP
FAN MOTOR DRIVE Q580,581,584
M
M891 DC FAN
FAN-CTL IC550 OVER CURRENT PROTECTOR
I J
DISPLAY SECTION (Page 31) DISPLAY SECTION (Page 31)
VL(AC)
Q506
E2, E3, E51 TH630 THERMAL DETECT Q629
FAN-K
STK-MUTE
78
STK-MUTE
70
PROT
52
THERMAL VACS
61
UNDER VOLTAGE DET
77
LINE/SURR-RLY
HP-MUTE
75
HP-MUTE
36
FAN KICK-OFF
F-RELAY
76
FR-RELAY
SYSTEM CONTROLLER IC401 (4/5)
HD DETT
HP-DET
100
· SIGNAL PATH : FM
HCD-GNX60/GNX70/GX9900
30
30
HCD-GNX60/GNX70/GX9900
7-6. BLOCK DIAGRAM DISPLAY SECTION
83 XIN X901 4MHz 82 XOUT Q905 KEY2 | KEY0
64 66
S1149-1160 S910,911,918,920,924 S901 904, 912,915,917
LED+9V
9,10, 12 22, 24 41, 43 47
P1 36
P1 36
Q906 SELECTOR 80 DISPLAY CONTROL KEY CONTROL Q904
Q907
57 59, 72,78,79
FL901 FLUORESCENT INDICATOR TUBE
9395
G14-16
BUFFER Q901,902,914
G14-16
IC902
LED DRIVE Q908-913,915, 916,918-920 D906, 908 913 D 917, D925,920,922,924 D907, D914,915,916,918, D919,921,923,926 LED VIDEO 55
8 1, 100 96, 92-85
G1-13,G17-24
VF1 VF2
D905 -VG (-32V) BPF, RECT 16 15 14 13 1 IN1 17 67 ALL BAND 48 VKK LED CD/DVD 52 LED TUNER 53 68 BPF4 69 BPF3 70 BPF2 71 BPF1 IIC-DATA IIC-CLK RESET CD SECTION (Page 27) LED TAPE 54 LED STOP,PAUSE 56 +VL VL RECT D658 F1271 F1241 +VH VH RECT D656 F1251 35V REGULATOR Q1264 R1292 VP D1292 RECT VF1 VF2 VF VF AMP SECTION (Page 30) D660, 661
G1 13 G17-24
X J
VL(AC) T1200 POWER TRANSFORMER F1261 VL VL GND VH VH
IC904
2 IN2 MAIN SECTION (Page 29) SPEANA
X F
B
OPERATION DIAL
ROTARY ENCODER S1161
75 JOG
VG (-32V) SYSTEM CONTROL
IC401 (5/5)
74 VOLUME IIC DATA 60 IIC CLK 61 RESET 77 30 IIC-DATA 29 IIC-CLK 71 GC-RESET TO FLUORESCENT INDICATOR TUBE FL901 D561 563 MT +7V LED+9V M +9V +9V REGULATOR
VOLUME
ROTARY ENCODER S970
. - TUNING + >
ROTARY ENCODER S916
76 AMS BIAS+3.3V A +9V TC +9V BPM LOW 97 BPM DET D902 (R) D927 (G) +3.3V REGULATOR
IC561
+9V REGULATOR F1281 AC3 RECT D560 AC3
IC560
+3.3V CD-POWER 32 B+ SWITCH Q560, 561 OVER VOLTAGE DETECT Q550 E2, E3, E51
LED DRIVE Q900,903,917
E2, E3, E51 S1200 S1200 NC NC AC4 AC4 VOLTAGE SELECTOR 230 240V | 220V | 120V
72 STBY-LED/FAN CTL
IC562
AMP SECTION (Page 30)
X I
FAN CTL S925
OVER VOLTAGE 63
74 POWER-KEY
73 DISPLAY-KEY S900 DISPLAY STBY-RY 69 D3.3V 4 SIRCS B+ SWITCH Q504, 505 M+9V EVER +4V 15 X-IN X402 16MHz 13 X-OUT 10 XC-IN X401 32.768kHz 11 XC-OUT AC-CUT 20 RESET 12 RESET SWITCH Q501 1 LEVEL DETECT 2 SWITCHING REGULATOR POWER ON/OFF RELAY DRIVE Q1200 RY1200 AR US, AUS
REMOTE CONTROL RECEIVER
D505 CN1202 AC IN
IC903
IC402
HCD-GNX60/GNX70/GX9900
31
31
HCD-GNX60/GNX70/GX9900
7-7. PRINTED WIRING BOARD CD BOARD
1 2
· See page 26 for Circuit Boards Location. : Uses unleaded solder.
3
4
5
6
7
8
9
10
A
CD BOARD (SIDE A)
CD BOARD (SIDE B)
M M101 SPINDLE MOTOR
C302
IC303 3 1
C305
C255
B
C303
S101 (LIMIT)
4
5
R351
R313
R354 R405
R404
C260
C252
C315 C316 R302 C314 C312
C257 R352
28
22
21
15 C306
R419 R403 C313 64 R301
C311R306
IC251
R353
R253
16 C206 17 C320
C307 R307
1
M
M102 SLED MOTOR
C
FB301
C258 C259
1
7
8
14
IC301
49 33 R303 R407 C163 48
C212
C308 C318 C184 R205 C183 R201
C182
C116
R251
R252
C251 R411
C309
32
C317 R305 R402 R401 1
R410
C310 TP117 (VC)
R409
R165
C194
R191
C174 R173 C196 C114 C113 R113 R114
JPO103 (TE1)
R406
CN201
C210 R162
C211 R163
R408 C213
R182
D
C201
R412
C14
A
MAIN BOARD (Page 36)
C185 C186
R172
X171
C172
C171
C195
C10
R112
C112
C18 R11 R12
C115 JPO102 (FE1) R111
IC101
C209
R171
C203
C17
C111
C162 C181
C15
C11
C161
R10 R13
R161
R181
C16 Q10
1-860-502-
C124
R121
C134
E
R132
C122 TP124 (RFAC)
C132 C131 R143 R141
C133
E
C143 R142 C141 C142
R203
C123
R131
R133
R151
C151
13 (13)
27 R204
C125
CN101
OPTICAL PICK-UP BLOCK (KSM-215DCP)
1-860-502-
13 (13)
· Semiconductor Location
Ref. No. IC101 IC251 IC301 IC303 Q10 Location D-8 C-6 C-8 B-8 E-4
F
HCD-GNX60/GNX70/GX9900
32
32
HCD-GNX60/GNX70/GX9900
7-8. SCHEMATIC DIAGRAM CD BOARD
· See page 49 for IC Block Diagrams. · See page 48 for Waveforms. · See page 50 for IC Pin Function Description.
C15 0.1 F R307 C307 0.1 F 10k TP304 C134 0.1 F C125 0.1 F
C11 10 6.3 B
C10 10 6.3 B
CN101 16P
B
C142 0.0015
C132 0.47 B
0.01
C151 100 10V
B
R12 100k
C17 220 4V
C16 1 F R10 3.3
TP423 IOP1 R13 1 TP424 IOP2 Q10 2SB1690K C14 0.1
TP10 TP11 TP12 TP13 TP14
E D A B C F
R143 3.3k
C133
CH
C124 330p CH RFACO
C141 0.1 B
JPO10 APC
R11 0
0
TP102
C152
RFACI
R131
R121
R133 180k
C131
R142 1k
C123
C122 0.1 B
R203 0
R151
100p
15k
1M
0.1
B
1
TP123
TP125
TP302 C308 47 4V C309 0.1 F R303 100k IC301 TC94A34FG-002 TP303 R351 100
TP124
TP122
C143 0.1 F
C18 0.001
B
4.7k
TP15 TP16
PD F+ FTF-
R141
R132 10k
TP121 RFDCO
TP17 TP18 TP19
R302 10k R405 R404 R419 R403 100 100 100
C306 0.1 F TP427 PCMDI
R352 100 R353 R402 R401 R301 100 R354 100 100k R305 100k B C317 0.01 B C320 0 C313 0.1 F C162 C318 0.01 B C161 0.1 F
100
TP103 LRCK
C310 0.1 F
100 100
TP104 PCMD TP105 BCK
R111 R112 JPO102 FEI R113 JPO103 TEI
1k C111 15k
0.0033 470p
B
C112 C113
0.0033 15k B C116 100 10V
R161
100
1k
R114 C114
C316 0.0022
470p
TP301
0.1
F C115 0.1 F
R306
C311 0.1 F
R313 220
C315 0.1 B
0
C174 0.1 F
C171 22p CH
R171 470 IC101 CXD3059AR
TP177 VC TP428 FRDR TP429 FFDR TP430 TRDR C195 0.1 F TP431 TFDR
R172 1M C314 IC303 BH15FB1WG C312 0.1 F 47 4V C172 R173 C185 0 2200p R181 100 CH C181 0.1 F 27p CH X171 16.9MHz
C183
22 6.3V
TP432 MDP
TP433 MP3VDD C186
R182 100 2200p CH
C184
22 6.3V TP167 LOCK TP178 FOK TP166 DFCT TP165 MIRR
C182
0.1
F
FB301 BLM21B272S
C302 0.1 F
C303 0.1 F
TP422 MP3GND
C305 220 4V C194 0.1 F
TP148 SBSO EXCK
TP145 WFCK TP144 XUGF TP147 XPCK TP153 GFS TP146 C2PO
TP142
TP160 WDCK TP162 COUT
TP425 SW+
R251 R252 22k 10k S101 SW
JPO004 MDP
TP149
R165 0
0.1
C163 0.1
R191
C251 0.0068 B
C258 0.1
C259 0.1 F
0
R163 100
C196
TP426 SW-
R193 NM
R253 10k
CN201 27P
TP186 MVDD
C210 0.1 B
R162 47k
TP187 MGND
TP401 TP402 TP403 TP404 TP405 TP406 TP407
MP3STB MP3REQ MIACK MICK MIDIO MILP MICS
TP436 AVDD
IC251 BA5947FM-E2
C201 100 10V
0
R201
C203 100 10V
C209 0.01 B
SL+
TP252
TP417 MAIN BOARD(2/3) (Page 38) TP416 TP415 TP414 TP413 TP412 TP419 TP434 TP410
R410 R409 R408 R407 R406 R412 C213 22p
100 100 100 TP421 DGND
C252 0.1 F
SENS CLK XLT DATA XRST XTCN AVDD ROUT
TP253
TP251
R205 SCOR
0
R411
100
SL-
SP+
TP408
MP3RST
TP420 AGND
TP250 SP-
M101
M102
100 100 CH 22p CH C211 220p CH C260 220 10V C255 0.1 F
C212
TP411
LOUT
TP409
DOUT R204 0 TP435 DVDD
HCD-GNX60/GNX70/GX9900
33
33
C257 0.1 F
100
HCD-GNX60/GNX70/GX9900
7-9. PRINTED WIRING BOARD CD MECHANISM BOARDS
· See page 26 for Circuit Boards Location. : Uses unleaded solder.
1 A
2
3
4
5
6
7
8
9
10
11
12
13
14
C751
B
CN704 CN702 CN705
R733 C737
R735
R734
C736
C
CN703
C735 JW710 R723 R722 R721 C741 JW711 C752 JW712 R751
R732
Q731
CN742
CN741
JW709
JW708
JW707 JW706 JW705 C715
D
D701 D711 R702
CN721
R701
R711
R713
IC731
E
JW713 JW714
R712
JW704 JW703
MAIN BOARD (Page 36)
CN731
IC701
IC712
JW702 R731
F
JW701
C731
G
CN751 S751 (LEVER SW)
H
· Semiconductor Location
Ref. No. D701 D711 IC701 IC712 IC731 Q731 Location D-6 D-7 F-6 F-7 E-11 C-9
HCD-GNX60/GNX70/GX9900
34
34
CN701
HCD-GNX60/GNX70/GX9900
7-10. SCHEMATIC DIAGRAM CD MECHANISM BOARDS
· See page 48 for IC Block Diagrams.
IC701 BA6956AN LD MOTOR DRIVER
OUT2
OUT1
VREF
GND
VCC
RNF
RIN
VM
FIN
C715 100 16V
CN701 12P
R702 100
R701 470
D701 MTZJ-T-77-5.1A M751 (LOADING) CN721 2P CN704 2P C751 0.01 IC712 BA6956AN TBL MOTOR DRIVER (1/3) 37
OUT2
OUT1
VREF
GND
VCC
RNF
RIN
VM
FIN
C752 0.1 S751 (LEVER SW) R712 4.7k R713 22k M741 (TBL) CN742 5P IC731 RPI-576 TABLE SENSOR CN731 3P CN741 3P D711 MTZJ-T-77-3.6B R732 10k R735 100 R734 12k R731 100 C731 10 50V Q731 DTC114ESA TBL ADDRES SENS SWITCH R721 4.7k R722 4.7k R723 4.7k CN703 4P CN751 4P RE701 ROTARY ENCODER E-3 E-2 E-1 R711 1k R751 4.7k CN705 2P CN751 2P
C741 0.01
R733 1k
C735 0.1
C736 0.1
C737 0.1
CN702 5P
HCD-GNX60/GNX70/GX9900
35
35
HCD-GNX60/GNX70/GX9900
7-11. PRINTED WIRING BOARD MAIN BOARD
1 2 3 4
· See page 26 for Circuit Boards Location.
5 6 7 8
: Uses unleaded solder.
9 10 11 12 13 14 15
CD BOARD (Page 32)
(FOR CHECK)
(FOR CHECK)
B
A
MAIN BOARD
JW007 JW006 JW004 JW005 JW008 JW009
DRAIVER BOARD (Page 34)
TUNER PACK
A
JW135
C521
JW187
C
JW013 1 CN402 R438 JW016 JW017 JW018 C429 R427 R433 JW015 JW055 JW056 JW057 JW058 JW452 JW108 JW390 C419 10 1 NO507 12
JR032
D
FB509 FB510
PRIMARY BOARD (Page 46)
MIC BOARD (Page 42)
C538
FB508
1 NO402 JW520
FB506
4 R445
R446 R444 R443
C523 CN506 JR035 JW110 JW111 JW112 JW113 JW114 JW115 JW116 JW117 JW118 JW119 JW120 JW121 C539 R582
R251
C520
JR036 JW188 JW189 JW190 C537
C250 R252
R253 GNX60/GNX70 R250 R255 R254 R257
R440
C525
R439
C546
FB512 JW191 Q250 27 C251
E
IC210
1 3 JW419 C210 C211 R270 FB262 R263 R267 J101
R CD DIGITAL OUT (OPTICAL)
R441
R432
R538 JW014 R442 R434 R430
R532 C535
C534 1 2 FB507 C524 C522 C547 JW186 JW126 CN505 26
R529
R425 R426 R421 R422 JW012 R420 R417
JW109
B
JW059
CN508 JW001
JW396 R573 JW010 R431 R574 JW002 JW011 JW003 R472 R571 JW410 R452 R451 R448 R447
R428
E Q251 JW200 JW199 JW198
R256
R429
JW054
JW060
R419 JW019 JW020
JW136
C430
R424
C104
31 30
JW064 R488 D505 JW065 JW066 R487
R412 C412 R413 X401 C411 C410 R411 R409 R407 R405 R404 R403 1 R401 R402 100 C499 C498
R131 R106 JR014
R262
R266
R423
C416
C105
R562 R563 JW123 E Q560 C568 C567 3 JW125 JW124 JW122
R501
R260 R261 R264 R265 C260 C261
R505
C
JW022
D501 D504
JW049 JW052
R406
R400
50 51 C464
R155
JR001 JW021 JW023 JW024 JW025 JW026 JW027 JW028 JW029 JW030 JW031 JW033
IC562
C113
JW053 C497 JW399
JW134 JW133 JW132 JW127 JW128 JW129 JW403 JW131 JW130 E Q151
R133
Q101
4 5 D503 C502 C501 R503 C503
E Q505
4
1
C109
R116
JW061 1
C112 C108 C110
JR031 R102
C107 R101 C106 R107 R104 C150
JW180 JW179 JW178 JW177 JW184 C102 JW176
JW185
CN100
JR029 C103
IC402
E
Q561
FB150
JW143
R502
X402
E3 1
E
JW140
H
D502
Y1
R560
CLP05
JW197 JW196 JW195 JW194 JW193
PANEL BOARD (Page 40)
R530
R418
Q501
JW145
Q504
JW138 JW139
JR012
JW397
JW141 JW142
JW144
JR030
C263 R271 C262
FB263
L
TV AUDIO IN
C149
R269
FB261
JR261
C264
R L VIDEO/MD AUDIO IN
JW062
R103
JR017
C131
E C130 C114
R150JW411 C100 C281
R130 R132 JW146 R105 C115
JW067 JW068
R485 R484
JW400
JW063
JW137
R500
C153
IC 1 40
C111 21
JW148 1
R268 FB260
JW260 JW201
JR002
JW051
R156
JW044
R493
R492 JW050
C462 R591 80 81
R281
R587
JW147
C122
JW416
JW037 JW038 JW039 C511
JW040 JW041
R593
C405
C162
JW045 JW046
JW402 JW032
C163
22
42 R140
R285
D
Q281 E
JW385
1 JW075 JW076 R470 R478 JW047 JW048 JW073 JW074 R469 R570 R463
JR466
Q583 JR467
JR003 JR465
JW172 JW173 R154 JW174
R508 Q506 E JR507 E
JR018
C160
JW095 JW096 JW097 JW098 JW099 JW100 JR019 JW090
C157 R151 C156 JR034
E2,E3,E51 JW034 Q343
JW171
JR009 JR010
E D340 R343 R344
E
R340
Q340 E C340 R272 JW036 JW079 JW080
D342 D341
R547
R509 E2,E3,E51 US,AR,AUS R341 Q344 JW035 E R349 Q345 R346 R348 R342 R345 E E JW082 Q342 C341 Q341 R347 CN509 R290 JW083 JW084 R297 JW085 JW086 JW081 JW418
JR007
R489 R545 R543
JW078 R475
JW561
JW159 JW409 JW168 JW169 JW170
R157
JW089
R542 JW088 R541 Q541 R540 C540 JW087 C541 E
C159
JW077
JW391 JW392 JW166 JW167 JW415
JR028
C154 R166 C155
R153
C280
JW043 JW042
R592
R490
R486 JW071 D401 D402
CLP04
NO401 3
JW160 JW161 JW162 JW163 JW164 JW165
JW150 JW151 JW152 JW153 JW154 JW155 JW156 JW157 JW158
JR022
JW149
R585 R586
C140
JW069 JW070 JW072
R121 JW398
C121 C116 R122
JR015 E Q280
IC101
JR016 JW175 R282 R286
R152
C152
JW204 JW182 JW183
JW266
C161
C158
JW091 R476 JW092 JW414 JW093 JW094 R477 JW252
1 H00 JW
JW223 JW250 JW224 JW225 JW236 JW235 JW233 JW232 JW231 JW230 JW229 JW226
E C543 Q545 C542
JW209
R292 R291 R293 R294 R295 R296
E E C544
Q544
JW386
JW208
R273 R274
E Q543 C545
JW207
R546 R548 R544 Q540 Q542 E
JW251
JW222
JW217 JW218 JW219 JW220 JW221
JW206 JW422
· Semiconductor Location
Ref. No. Location E-3 E-3 E-3 D-6 D-6 C-5 C-5 C-5 C-5 C-6 I-12 I-12 I-8 G-9 G-10 G-10 H-13 H-13 D-10 B-14 H-5 C-4 C-5 I-12 H-9 H-9 C-6 C-8 C-8 J-10 J-10 B-13 B-13 D-10 D-11 E-2 Ref. No. Q341 Q342 Q343 Q344 Q345 Q370 Q371 Q372 Q373 Q374 Q375 Q376 Q377 Q378 Q379 Q380 Q381 Q382 Q383 Q501 Q504 Q505 Q506 Q540 Q541 Q542 Q543 Q544 Q545 Q550 Q560 Q561 Q580 Q581 Q582 Q583 Q584 Q585 Location E-3 E-3 E-2 E-3 E-3 J-4 I-4 I-4 I-4 I-4 I-4 I-4 I-5 I-5 I-5 J-5 I-5 I-5 I-5 B-5 C-6 C-6 E-3 E-5 E-5 E-5 E-5 F-5 F-5 I-12 C-7 C-6 H-13 H-13 H-13 D-4 H-13 H-13 D340 D341 D342 D401 D402 D501 D502 D503 D504 D505 D550 D551 D560 D561 D562 D563 D581 D583 IC101 IC210 IC301 IC401 IC402 IC550 IC560 IC561 IC562 Q101 Q151 Q180 Q181 Q250 Q251 Q280 Q281 Q340
JW212 JW215 JW211
JW234 JW213 JW242
JW404
JW352
JW254 JW255
F
JW351 JW350
JW192 JW256 JW257 JW258 JW259 JW262 JW406 JW263 JW264 JW265 JW267 JW268 JW269 JW270 JW271 JW273 JW272 JW407 JW341 JW340 R389 CLP01
JW248
JW408
JW214
JW210
TAPE MECHANISM DECK
JW103 JW104 JW105 JW106
CLP06
JW374
JW381 JW380 JW379 JW389 JW378 JW377 JW382 JW383 JW384 JW376 JW375 JW313
JW246
JW228 JW227
JW241
JW239
JW243
JW240
JW245
JW244
JW238
JW237
JW216 JW522 JW253
JW353
JW275 JW420
JW405
C304 JW371
JW373
JW274
R310 JW372 R302 R304 R301 C303 R339
JW354
G
R312
JW348 JW347 JW346
R305 C306 Y3 C308 R306
JW276
C311 1 3
JW278 JW567
D563
R319 R303
C314
C391
JW349
CN510 (FOR CHECK)
JW421
JW247
JW560
JW285 JW395 JW563 JW394 JW288 JW286 JW289 JW287 JW290 R580 R579 C581 Q585 JW393 JW292 CLP07 JW293 CN580
R309 CLP02 C309
TAPE A HEAD
JW355 L302 C307 R307 JW344 C312 R311
JW568
D561 JW279 JW280 C564
D562 JW417 1
30
R336 R337 C305 C301 JW370 JR138
1
21 20
JW345
IC
JW277
30 31 40 1 C351
11 10 R355 R353
R308 C356 C354
JW343 JW342 R369 C364
IC561
3
1 JW281 C565
3
IC560
R577 JW294 JW284 Q582 E JW291 Q580 E
JW412 D581
JW369 JW368 JW367 JR359
C353 R352 JW359
H
CN503 1 C381
3
Q584 E
M891 DC FAN
1 3 E Q581
JW358
JW357
JW356
R351
C562 JW566
R356 R397
C383 R380
C385 R391
JW360
CLP03
TAPE B HEAD
C359 JW366 C376 R385 Q376 CN507 C375 E E 8 1 C371 JW365 Q371 Q372 JW361 E R382 E R372 C372 R371 JW364 R374 C374 R377 Q374
R393
R387
Q382 E
Q383 E
Q381
JR390
R357 C361 R354 C355
JW282
R575 NO503 JW335 JW334 JW333 JW332 JW331 JW325 6 C561 D560
+
C580
D583
C382 C310
C563
E
JW295
JW580
E R396 E Q379 E
JW339 R388 JW338 R392 C386
C560
Q375 Q373
C566
JW401 E2,E3,E51 R551 D551 E R553
C552
C553 D550 C550
R390 Q377 C378 L370 R395 E
JR021
I
R370 JW362 R381 R373 C370
E E R384 R383 R376 R375 C373 C377 E
R399 C380 L371
C384 JW387
C551 3 1 1 JW308 JW307 JW306 Q550 4 6 JW301 JW300 JW299
IC550
JW297 JW298
Q378 R379 R386
R394
JR020
JW310
JW319 JW302 JW318
R378
Q370
JW317
JW336
C379
R185
R184
T301
JW312 1 8
CN501 13
R183 1
R182 CN502 EPT560
K
J
PA BOARD (Page 44)
I
TRANS BOARD (Page 46)
K
PA BOARD (Page 44)
HCD-GNX60/GNX70/GX9900
36
36
JW303 JW304
JW450
JW329
J
E
R187 R186
E
JW328 JW327
JW326
JW324 JW323 JW322
JW321 JW320
Q181 R181
Q180
E
JW413 R180
L372
Q380
JW316
JW315
JW337 JW363
C181
C180
1-864-934-
11 (11)
HCD-GNX60/GNX70/GX9900
Ver. 1.1 7-12. SCHEMATIC DIAGRAM MAIN BOARD (1/3)
· See page 48 for Waveforms. · See page 53 for IC Pin Function Description.
Q504 DTA114EKA B+ SWITCH Q505 DTC124EKA B+ SWITCH 12 9 29 30 CN402 10P 31 34 R530 10k C430 47p C429 47p R529 10k C416 2200 6.3V X402 16MHz R412 100k R413 0 R505 4.7k C412 0.1 Q501 DTC124EKA RESET SWITCH D503 1SS355
D505 1SS355
IC402 BD4929G-TR
D502 1SS355
D501 1SS355
NO402 4P
LEVEL DETECT R503 0 C503 0.1
R501 D504 220 1SS355 R502 1k
C502 0.1 R409 10k
C501 10 50V D401 1SS355
28 27 26 25 24 23 22 21
19 18
33 32 9 12
29 30
7
R428 100 R427 100 R426 100 R425 100 R424 100 R423 100 R422 100 R421 100 R420 1k R419 100
38 39 40 41 42 43 44 45 46 31 32 33 34 R431 R432 R433 R434 R538 100 100 100 100 10k
R418 220 R417 10k
C411 C410 32.768kHz
100 100
R406 R403 R402 R401
29 30
22p 22p
100 100 100 100
C419 220p
5
3 2 1
97
4
R411 330k
*1 R493 E3 330 AUS 1.5k US,E2, E51, AR 4.7k *2 R593 1k E2,E51, AR 2.2k US E3,AUS 4.7k
DRIVER BOARD (Page35)
R407 100
R405 100 R404 100
X401
*3 R492 GNX60 0 330 GNX70/GX9900
R430 R429
R500 10k
C499 0.1
R400 100
BUS7 HP DET MAIN BOARD (2/3) (Page38)
NO507 12P
32
BUS8 IC401 M30622MEP -A11FPU0 94 BUS9 R592 R492 4.7k 4.7k R490 R489 R488 R487 R486 R485 R484 R483 R593 *2 R493 *1 100 100 100 100 100 100 100 100 90 89 88 87 86 85 84 82 81 R591 15k C498 10 50V C497 0.1 R586 10k R585 10k
38 39 40 41 42 43 44 45 46 47 48
R438 R439 R440 R441 R442 R443 R444 R445 R446 R447 R448
100 100 100 100 100 100 100 100 100 100 100
MASTER CONTROL
CN509 13P 51 90 R290 47k R297 47k Q341 2SB1132 CAP MOTOR DRIVE D341 1SS355 R273 10k 89 94 48 R295 47k R293 47k R341 3.3k R345 3.3k R349 3.3k 37
R587 10k
100
R470
R452 100 51 52 53 54 55 56 57 58 59
70
75 76 77 78
R475 R476 R477 R478
R451 100
100 100 100 100
R346 680
10k
R274 47k
R272 22k
54 R574 10k R573 10k R571 10k R472 100 71 72 73 74
Q583 DTA124EKA BUFFER JR465 JR466 JR467 0 0 0
D402 1SS355
BUS1 BUS3
47 Q344 DTC114EKA-T146 CAP MOTOR DRIVE 65/A5 66/A6 67/A7 Q342 2SB1132 B TRIG DRIVE C341 0.0047 D342 1SS355 R342 2.2k R348 680 R347 2.2k C462 100 10V C464 0.01
R570
BUS5 EVER +4V 72 BUS2 OVER VOLTAGE M+9V
MAIN BOARD (3/3) (Page39)
R291 4.7k
R294 R296 4.7k 4.7k
R292 47k
R463 10k
JW522 JW *4 R509 8.2k 22k GNX70 GNX60 Q506 DTC114EKA BUFFER R469 100 MAIN BOARD (3/3) (Page39) MAIN BOARD (2/3) (Page39) MAIN BOARD (3/3) (Page38)
36
BUS6
B-TRG
Q345 DTC114EKA-T146 B TRIG DRIVE
55 R508 10k C511 10 16V E2, E3, E51 M GND GND AC CUT DET C405 0.1
R509 *4
Q340 2SB1132 A TRIG DRIVE R344 680 R340 2.2k D340 1SS355 Q343 DTC114EKA-T146 A TRIG DRIVE R343 2.2k
JR507 0
US, AR, AUS
C340 0.0047
NO401 3P 53
A-TRG
PRIMARY BOARD (Page47)
HCD-GNX60/GNX70/GX9900
37
37
HCD-GNX60/GNX70/GX9900
7-13. SCHEMATIC DIAGRAM MAIN BOARD (2/3)
CD BOARD (Page33)
CN505 27P
GNX60/GNX70 0UH 0UH 0UH IC210 TOTX141F
FB508
FB507
FB506
220p
C546 220p
220p
220p
220p
C534 0.1 C535 330