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HCD-GP6V SERVICE MANUAL E Model Ver 1.2 2004.09 HCD-GP6V is the Amplifier, Video CD/CD player, Tape Deck and Tuner section in CMT-GP6V. Model Name Using Similar Mechanism CX-LFAV500 CD Mechanism Type CDM55A-30BD61S Section Base Unit Name BU-30BD61S Optical Pick-up Name A-MAX.3...
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.
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HCD-GP6V Service Position of the CD Mechanism Deck and VCD Board MAIN Board Extension cable J-2501-225-A (1.00mm/9P/L300) CN802 CD Mechanism Deck (CDM55A-30BD61S) CN806 VCD Board Extension cable J-2501-245-A (1.00mm/23P/L300) Service Position of the Tape Cassette Mechanism Deck MAIN Board Tape Cassette Mechanism Deck...
HCD-GP6V SECTION 2 This section is extracted from instruction manual. GENERAL List of button locations and reference pages How to use this page Illustration number Use this page to find the location of buttons and other DISPLAY 2 (16, 24) parts of the system that are mentioned in the text.
HCD-GP6V Setting the clock Remote control ALPHABETICAL ORDER BUTTON DESCRIPTIONS Use buttons on the remote for the operation. ?/1 (power) 1 (7, 8, 15, 21, 22) A – K N – Z Press ?/1 to turn on the system. m/M (fast forward/rewind) ALBUM +/–...
HCD-GP6V SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-5.CONTROL BOARD, 3-6.MAIN BOARD, 3-1.TOP CABINET, 3-7.VCD BOARD, CD MECHANISM DECK SINGLE CASSETTE MECHANISM POWER BOARD V-OUT BOARD, DC FAN (CDM55A-30BD61S) (Page 9) (Page 10)
HCD-GP6V 3-9. BD BOARD wire (flat type) 25p (CN103) wire (flat type) 16p Remove soldering from the four points. BD board claw 3-10. TRAY (CDM55D) 1 While pressing the two protrusions A and B to unlock the two claws as shown, pull the tray in the direction of the arrow C .
HCD-GP6V 3-11. BASE UNIT (BU-30BD61S) 8 wire (flat type) 9p (CN105) 7 two insulators 4 two floating screws 1 floating screws (+PTPWH M2.6) 3 two floating screws (+PTPWH M2.6) (+PTPWH M2.6) base unit (BU-30BD61S) 6 two insulators 5 BU holder (BU-30)
HCD-GP6V SECTION 4 TEST MODE [Cold Reset] [TC Test Mode] • The cold reset clears all data including preset data stored in Procedure: the RAM to initial conditions. Execute this mode when re- 1. Extract an AC plug. turning the set to the customer.
HCD-GP6V SECTION 5 MECHANICAL ADJUSTMENTS Precaution Clean the following parts with a denatured alcohol-moistened swab: record/playback heads pinch rollers erase head rubber belts capstan idlers Demagnetize the record/playback head with a head demag- netizer. Do not use a magnetized screwdriver for the adjustments.
HCD-GP6V SECTION 6 ELECTRICAL ADJUSTMENTS Mode: Playback DECK SECTION 0 dB=0.775V test tape Demagnetize the record/playback head with a head demagnetizer. MAIN board P-4-A100 J203 (10kHz, –10dB) Do not use a magnetized screwdriver for the adjustments. speaker terminal oscilloscope After the adjustments, apply suitable locking compound to the parts adjusted.
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HCD-GP6V RFDC signal waveform CD SECTION VOLT/DIV: 200 mV TIME/DIV: 500 ns Note: 1. CD Block is basically designed to operate without adjustment. There- fore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. level: 0.7 ± 0.2 Vp-p 3.
HCD-GP6V SECTION 7 DIAGRAMS • Circuit Boards Location THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Schematic Diagrams. For Printed Wiring Boards. Note: Note: BD board •...
HCD-GP6V — MAIN SECTION — IC201 POWER AMP IC301 R-CH J201 SOUND PROCESSOR R-CH CH1 IN CH1 OUT R-CH R-CH J202 L-OUT CH2 OUT AUX-L CH2 IN PHONES AUX IN R-OUT R-CH CD-L +VCC Q504 R-CH TUNER-L MUTE -VCC CONT...
HCD-GP6V • See page 19 for Waveforms. • See page 37, 38 for IC Block Diagrams. 7-8. SCHEMATIC DIAGRAM — MAIN SECTION — CONTROL CONTROL TUNER BOARD BOARD PACK CN601 CN605 (Page 31) (Page 31) 10.2 RIPPLE FILTER Q411, Q412, Q413, Q414 FAN DRIVER 10.2...
HCD-GP6V • See page 39 for IC Pin Function Description. • See page 38 for IC Block Diagram. 7-10. SCHEMATIC DIAGRAM — CONTROL SECTION — CONTROL BOARD IC603 FLUORESCENT INDICATOR TUBE REMOTE CONTROL RECEIVER IC603 RPM7140-V4 +5V REG T-77 10 50V...
HCD-GP6V • See page 38 for IC Block Diagram. 7-12. SCHEMATIC DIAGRAM — MIC ECHO/PHONE SECTION — PHONE BOARD MIC/ECHO BOARD IC503 MIC AMP CN501 CN201A PHONES MAIN BOARD CN201 CN203A (Page 29) MIC MUTE MIC MUTE IC504 ECHO PROCESSOR...
HCD-GP6V • See page 19 for Circuit Boards Location. 7-13. PRINTED WIRING BOARD — POWER SECTION — POWER BOARD AC IN PT802 SUB POWER TRANSFORMER PT801 AC VOLTAGE POWER TRANSFORMER 110V 120V 220V 240V MAIN BOARD PN401 NOT REPLACEABLE :...
HCD-GP6V 7-14. SCHEMATIC DIAGRAM — POWER SECTION — POWER BOARD POWER TRANSFORMER Not replaceable : Built in transformer AC VOLTAGE 110V 120V MAIN BOARD 220V PN901 240V (Page 29) T-77 SUB POWER TRANSFORMER T-77 T-77 AC IN T-77...
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HCD-GP6V – VCD Board – IC805 BH2220FVM-TR 8bit REG R-2R 8 LD 8bit REG SERIAL R-2R 7 CLK INTERFACE 6 DI 8bit REG R-2R 5 GND POWER ON RESET – MAIN Board – IC301 BD3881FV...
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HCD-GP6V IC201 STK403-040 PRE DRIVER PRE DRIVER IC CH1 IC CH2 BIAS CIRCUIT – CONTROL Board – – MIC/ECHO Board – IC604 BA6956AN IC504 BU9262AFS N. C. DLYVOL 32 MIXIN TESTB 31 MICIN LOGIC INPUT CONTROL 30 VDD INPUT CONTROL LOGIC...
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HCD-GP6V • IC Pin Function Description • CONTROL BOARD IC601 LC876756C-52C3 (SYSTEM CONTROLLER) Pin No. Pin Name Description — Not used (open) — Not used (open) O-CD DATA Data output to the video CD circuit T-SOL Solenoid control signal output to the tape deck...
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HCD-GP6V Pin No. Pin Name Description O-BIAS Bias control signal output to the bias oscillation circuit CD power supply control signal output TUNER Tuner power supply control signal output R-CE Tuner chip enable signal output to the tuner O-BU-CLK Clock output to the echo processor (IC504)
HCD-GP6V Ver 1.2 SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark 0 or may have some difference from the original number in the exploded views are not supplied.
HCD-GP6V 8-3. CHASSIS SECTION not supplied not supplied not supplied PT801 supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-247-752-01 RUBBER, FOOT not supplied 0 PT801 A-4750-202-A MAIN BOARD, COMPLETE not supplied...
HCD-GP6V 8-5. BASE UNIT SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4733-498-A BD BOARD, COMPLETE (A) 4-236-304-02 SPRING (SLED), LEAF 1-782-817-11 WIRE (FLAT TYPE) (16 CORE) 3-372-761-01 SCREW (M1.7), TAPPING 0 203 A-4735-189-A BU-30(61)ASSY The components identified by mark 0 or dotted line with mark 0 are critical for safety.
HCD-GP6V SECTION 9 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS When indicating parts by reference number, uH: µH parts list may be different from the parts please include the board name. specified in the diagrams or the components •...
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HCD-GP6V CONTROL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R103 1-216-845-11 METAL CHIP 100K 1/16W R303 1-216-864-11 METAL CHIP 1/16W R104 1-216-835-11 METAL CHIP 1/16W R308 1-216-864-11 METAL CHIP 1/16W R105 1-216-821-11 METAL CHIP 1/16W...
HCD-GP6V REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004.05...