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HCD-GNX660 SERVICE MANUAL Mexican Model Ver. 1.2 2007.12 • HCD-GNX660 is the Amplifier, CD player, tape deck and tuner section in MHC-GNX660. Model Name Using Similar Mechanism HCD-GNX880 CD Mechanism Type CDM74KFS-F1BD84 Section Base Unit Name BU-F1BD84 Optical Pick-up Name...
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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.
HCD-GNX660 Ver. 1.2 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.
HCD-GNX660 SECTION 2 GENERAL This section is extracted from instruction manual. LOCATING THE CONTROLS ALPHABETICAL ORDER SYMBOLS M – R MASTER VOLUME ws ?/1 (power) ef A – D MIC 1/2 (jack) wf Z OPEN/CLOSE q; ALBUM + qk N (play) qd MIC 1/2 LEVEL wd ALBUM –...
HCD-GNX660 This section is extracted from instruction manual. Remote control TAPE wd ALPHABETICAL ORDER TUNER/BAND 7 TUNER MEMORY wg A – E TUNING MODE 5 ALBUM + qf VOLUME +/– qg ALBUM – qh CD wf The + button has a tactile dot.*...
HCD-GNX660 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. SIDE CASE, TOP CASE (Page 8) 3-3. LOADING PANEL (Page 8) 3-4. FRONT PANEL ASSY (Page 9) 3-7. PANEL BOARD, 3-6. TAPE MECHANISM DECK, 3-5.
HCD-GNX660 Note: Follow the disassembly procedure in the numerical order given. 3-2. SIDE CASE, TOP CASE qf case (top) qs two screws 7 screw (+BVTP 3 × 8) (case 3 TP2) (3 × 12) 8 screw (+BVTP 3 × 8)
HCD-GNX660 3-16. MOTOR (TB) BOARD 2 stopper 1 stopper 7 t able 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)) 3-17. MOTOR (LD) BOARD 2 two screws (+BTTP (M2.6))
HCD-GNX660 SECTION 4 TEST MODE [PANEL TEST MODE] • This mode is used to check the fluorescent indicator tube, [COMMON TEST MODE] LEDs, buttons, MASTER VOLUME knob, model, • This mode is used to check operations of the respective sections destination, software version and VACS level.
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HCD-GNX660 [CD AGING MODE] [VACS ON/OFF] This mode can be used for operation check of CD section. • This mode is used to switch ON and OFF the VACS (Variable • If an error occurs, the aging operation would stops and the Attenuation Control System).
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HCD-GNX660 • Display when an error occurred (CD Error Code Mode) Procedure: 3) Display of no disc errors 1. Press x button, [ILLUMINATION/SUB WOOFER Display LEVEL] button and [DISC 1] button simultaneously to enter the error code display mode. D*$$%%&&##00 2.
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HCD-GNX660 [CD SHIP MODE (WITHOUT MEMORY CLEAR)] [CD TRAY LOCK MODE] • This mode moves the optical pick-up to the position durable • This mode let you lock the disc tray. When this mode is to vibration. Use this mode when returning the set to the...
HCD-GNX660 SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer. erase head rubber belts 2.
HCD-GNX660 2. Turn the adjustment screw and check output peaks. If the peaks CDG SECTION do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak. Note: 1. CDG Block is basically designed to operate without adjustment.
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HCD-GNX660 RFAC Level Check E-F Balance Check Connection: Connection: oscilloscope oscilloscope BD84 board BD84 board TP124 (RFAC) JPO103 (TE1) TP117 (VC) – TP117 (VC) – Procedure: Procedure: 1. Connect an oscilloscope to test point TP124 (RFAC) and TP 1. Connect an oscilloscpe to test point TPO103 (TE1) and TP117 117(VC) on the BD84 board.
HCD-GNX660 SECTION 7 DIAGRAMS Note on Printed Wiring Boards: For schematic diagrams. Note: Note: • All capacitors are in µF unless otherwise noted. (p: pF) • X : parts extracted from the component side. • : Pattern from the side which enables seeing.
HCD-GNX660 7-3. BLOCK DIAGRAM – MAIN SECTION – IC1400 DIGTAL ECHO AD IN DA OUT IC1401 ECHO MIC AMP MIC VOL J1450(1/3) POOUT MC1P MIC OUT ADPCM ADPCM POST DELAY MIC 2 ENCODE DECODE J1400(3/3) J1400(1/3) MC2P MIC 1 VOLUME...
HCD-GNX660 7-7. SCHEMATIC DIAGRAM – BD84 BOARD – • See page 53 and 54 for IC Block Diagrams. • See page 25 for Waveforms. • See page 56 for IC Pin Function Description HCD-GNX660...
HCD-GNX660 Ver. 1.2 • See page 25 for Waveforms. • See page 59 for IC Pin Function Description 7-12. SCHEMATIC DIAGRAM – MAIN BOARD (2/3) – HCD-GNX660...
HCD-GNX660 7-28. IC Pin Function Descriptions • IC101 CXD3059AR (RF AMP,DSP,DAC) (BD84 BOARD) Pin No. Pin Name Description MIRR Not used (Open) DFCT Not used (Open) Not used (Open) – Ground terminal LOCK Not used (Open) Spindle motor servo control signal output...
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HCD-GNX660 Pin No. Pin Name Description AVSS3 – Ground terminal CLTV Multiplier VCO1 control voltage input FILO Master PLL (slave = digital PLL) filter signal output FILI Master PLL filter signal input Master PLL charge pump signal output AVDD5 –...
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HCD-GNX660 Pin No. Pin Name Description EXCK Not used (Open) XRST System reset signal input from M30622MEP SYSM Muting signal input (Connected to ground) DATA Serial data input from M30622MEP – Ground terminal XLAT Latch signal input from M30622MEP CLOCK Serial data transfer clock input from M30622MEP –...
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HCD-GNX660 Ver. 1.1 • IC401 M30622MGP-A54FPU0 SYSTEM CONTROL (MAIN BOARD) Pin No. Pin Name Description BD-RST Reset signal output to the digital signal processor ( “L”:reset) CD-DATA-OUT Serial data output to the digital signal processor XLAT Serial data latch pulse output to the digital signal processor...
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HCD-GNX660 Pin No. Pin Name Description LM-F Loading motor control signal output to the CD mechanism deck LM-R Loading motor control signal output to the CD mechanism deck LED-ILLUMINATION-1 Dynamic LED drive signal output to the ILLUMINATION 1st indicator and 2nd...
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HCD-GNX660 Pin No. Pin Name Description AVSS Ground terminal (for A/D conversion) AD-KEY-1 Key input terminal (A/D input) VREF A/D Converter reference voltage input terminal (+3.3V) AVCC Power supply terminal (+3.3V) (for A/D conversion) MAIN ON/OFF Main power on/off control signal output (“H”:power on)
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HCD-GNX660 • IC403 BH2210FV-E2 (SIGNAL IN/OUT CONTROL) (MAIN BOARD) Pin No. Pin Name Description CTLIO Input/output mode select port (Fixed at "H") RESET Reset signal input Serial data clock input LATCH Serial data latch input TC-MUTE Tape playback muting on/off control signal output ( "H":muting on)
HCD-GNX660 SECTION 8 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Hardware (# mark) list and accessories are The components identified by mark 0 or have some differences from the original one. given in the last of this parts list.
HCD-GNX660 8-3. CHASSIS SECTION not supplied not supplied supplied supplied F1100 not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 2-630-050-01 +BVTT 3X6 (SUMITITE) 0 108 1-827-226-31 CORD, POWER...
HCD-GNX660 Ver. 1.1 SECTION 9 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS The components identified by mark 0 parts list may be different from the parts All resistors are in ohms. or dotted line with mark 0 are critical...
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HCD-GNX660 BD84 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-216-809-11 METAL CHIP 1/10W C196 1-164-360-11 CERAMIC CHIP 0.1uF 1-216-864-11 SHORT CHIP 1-216-864-11 SHORT CHIP C201 1-128-995-21 ELECT CHIP 100uF 1-216-864-11 SHORT CHIP C203 1-128-995-21 ELECT CHIP...
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HCD-GNX660 BD84 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R112 1-216-835-11 METAL CHIP 1/10W < SWITCH > R113 1-216-821-11 METAL CHIP 1/10W R114 1-216-835-11 METAL CHIP 1/10W S101 1-771-853-11 SWITCH, DETECTION (LIMIT) R121 1-216-835-11 METAL CHIP...
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HCD-GNX660 DRIVER Ref. No. Part No. Description Remarks Ref. No. Ref. No. Part No. Part No. Description Description Remarks Remarks IC1003 6-703-547-01 IC TA7805LS C737 1-164-159-21 CERAMIC 0.1uF IC1005 8-759-584-98 IC SN74AHCT04NSR IC1006 6-703-378-01 IC NJM2575F1-TE2 C741 1-162-306-11 CERAMIC 0.01uF...
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HCD-GNX660 Ver. 1.2 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-1159-558-A MAIN BOARD, COMPLETE C162 1-162-969-11 CERAMIC CHIP 0.0068uF 10% 25V (-13) C163 1-126-964-11 ELECT 10uF ********************* C164 1-137-196-11 FILM 0.68uF 7-685-646-79 SCREW +BVTP 3X8 TYPE2 TT (B)
HCD-GNX660 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2006.04 2006.10...