Sony HCD-VR50 Service Manual
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3 7 63 1515 0
SERVICE MANUAL
HCD-VR50/VR70 is the tuner, deck, CD and
amplifier section in LBT-VR50/VR70.
TE
L 13942296513
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MICROFILM
http://www.xiaoyu163.com
HCD-VR50/VR70
SECTION
TAPE DECK
SECTION
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u163
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http://www.xiaoyu163.com
2 9
8
Photo: HCD-VR50
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
Model Name Using Similar Mechanism
Q Q
Tape Transport Mechanism Type
3
6 7
1 3
1 5
SPECIFICATIONS
COMPACT DISC DECK RECEIVER
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.
– 1 –
9 4
2 8
E Model
HCD-DR7AV/XB800AV
CDM37L-5BD34L
BU-5BD34L
KSS-213D/Q-NP
HCD-DR7AV/XB800AV
TCM-230AWR2/230PWR2
0 5
8
2 9
9 4
2 8
— Continued on next page —
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9 9
9 9

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Summary of Contents for Sony HCD-VR50

  • Page 1 HCD-VR50/VR70 3 7 63 1515 0 SERVICE MANUAL E Model HCD-VR50/VR70 is the tuner, deck, CD and amplifier section in LBT-VR50/VR70. Photo: HCD-VR50 Model Name Using Similar Mechanism HCD-DR7AV/XB800AV CD Mechanism Type CDM37L-5BD34L SECTION Base Unit Type BU-5BD34L Optical Pick-up Type...
  • Page 2 THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. 4-214-791-1π VR50: EA REPLACE THESE COMPONENTS WITH SONY PARTS 4-214-792-0π VR70: MY, SP WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS 4-214-792-1π VR70: IA MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 – http://www.xiaoyu163.com...
  • Page 3: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS 1. SERVICING NOTE 7-12. Schematic Diagram – Main (1/5) Section – ..... 53 ............4 7-13. Schematic Diagram – Main (2/5) Section – ..... 55 7-14. Schematic Diagram – Main (3/5) Section – ..... 57 2.
  • Page 4: Servicing Note

    http://www.xiaoyu163.com SECTION 1 SERVICING NOTE 3 7 63 1515 0 About CD-TEXT display This unit is provided with a simple CD-TEXT display function. The CD-TEXT contents of 20 tracks are displayed on the fluorescent display tube. Since the function is simple, some special characters may not be displayed, or may be displayed as other characters. MC Cold Reset •...
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 AMS Test Mode • This mode is used for checking the AMS operations of the tape deck. 7-819-039-12 Alignment tape, AMS-110A Procedure: 1. Press the 1/u button to turn the set ON. 2. Set the tape (AMS-110A). 3.
  • Page 6: General

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 GENERAL Front Panel 10 11 12 14 15 16 21 22 27 28 L 13942296513 32 33 34 35 37 38 39 u163 – 6 – http://www.xiaoyu163.com...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 LOCATION OF PARTS AND CONTROLS 1 1/u (Power) button and indicator 54 DISC 3 button 27 ª (B Deck) button and indicator 2 POWER SAVE/DEMO (STANDBY) 28 · (B Deck) button and indicator 55 DISC 2 button button 29 p (B Deck) button 56 DISC 1 button...
  • Page 8: Disassembly

    6 Four screw (BVTP 3x8) (BVTP 3x8) L 13942296513 !£ Flat type wire (CN503) 3-2. MAIN BOARD 0 Two screws (BVTP 3x8) (HCD-VR50) !£ Back panel 2 Two screws (BVTP 3x8) !™ Power cord 9 Three screws (BVTP 3x8) 0 Two screws (BVTP 3x8)
  • Page 9: Sub Panel

    http://www.xiaoyu163.com 3 7 63 1515 0 3-3. SUB PANEL 7 Three screws (BVTP 2.6x8) 6 Two screws (BVTP 2.6x8) 4 Two screws (BTP 2.6x6) 1 Two screws (BVTP 2.6x8) 3 Open the CD lid assembly 2 Front input board 9 Two screws (BVTP 2.6x8) 0 Bracket (CD-R2) 5 Screw (BVTP 3x8) 8 Sub panel block...
  • Page 10: Tape Mechanism Deck And Cassette Lid

    http://www.xiaoyu163.com 3 7 63 1515 0 3-5. TAPE MECHANISM DECK AND CASSETTE LID 1 Three screws (BVTP 2.6x8) Claw Holder assembly 8 Torsion spring (TC-A) Claw 6 Holder (A) assembly 2 Three screws (Refer to lower figure) (BVTP 2.6x8) Claw Cassette lid assembly Claw 3 Tape mechanism...
  • Page 11: Disc Table

    http://www.xiaoyu163.com 3 7 63 1515 0 3-8. DISC TABLE Note: When the disc table is installed, adjust the positions of roller cam and mark ” as shown in the figure, then set to the groove of disc table. Stop screw Screw (BVTP3X8) Screw (BVTP3X8) Bracket (BU)
  • Page 12: Test Mode

    http://www.xiaoyu163.com SECTION 4 3 7 63 1515 0 TEST MODE VIDEO CD COLOR-BARS MODE On this mode, the data of the color-bars signal as a picture signal and the 1kHz sine wave signal as a sound signal are output by the mechanism control microcomputer (IC502) for video CD signal check.
  • Page 13: Mechanical Adjustments

    http://www.xiaoyu163.com SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS 3 7 63 1515 0 ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head damagnetizer. record/playback heads pinch rollers 2.
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 3. Mode: Playback Tape Speed Adjustment (Deck B) test tape Note: Set the test mode using the following method and begin tape P-4-A100 speed adjustment. (10kHz, –10dB) oscilloscope In the test mode, the speed will switch to double speed or normal speed each time the HI-SPEED DUB button is MD OUT pressed.
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 Record Bias Adjustment (Deck B) Record Level Adjustment (Deck B) Procedure: Procedure: INTRODUCTION INTRODUCTION When set to the test mode performed in Tape Speed Adjust- When set to the test mode performed in Tape Speed Adjust- ment, when the tape is rewound after recording, the “REC memory ment, when the tape is rewound after recording, the “REC memory mode”...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 Note: Clear RF signal waveform means that the shape “◊” can be CD SECTION clearly distinguished at the center of the waveform. Note: RF signal waveform 1. CD Block is basically constructed to operate without adjustment. Therefore, check each item in order given.
  • Page 17: Diagrams

    HCD-VR50/VR70 SECTION 7 DIAGRAMS 3 7 6 3 1 5 1 5 0 Adjustment Location : 7-1. CIRCUIT BOARDS LOCATION [ BD BOARD ] — SIDE B — PANEL FL board TUNER UNIT (RF) (VC) JACK board (FE) (TE)
  • Page 18: Block Diagrams

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-2. BLOCK DIAGRAMS – BD SECTION – IC381 CD DIGITAL OPTICAL PICK-UP BLOCK (KSS-213D/Q-NP) IC101 D+5V OPTICAL DIGITAL SERVO DETECTOR IC103 DIGITAL SIGNAL PRCESSOR RF AMP DIGITAL D OUT...
  • Page 19: Deck Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 – DECK SECTION – PB A/B S1008 S1004 MS OUT A CrO B CrO CN301 R CH RV311 28 27 PLAYBACK IC611 PB-A/B A 120/70 B NORM/CROM/ LEVEL METAL...
  • Page 20: Main (1/2) Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 – MAIN (1/2) SECTION – IC191 AV SWITCH J702 VIDEO 1 J804 J702 VIDEO 2 VIDEO VD OUT VIDEO SECTION VCD VIDEO IC101 (Page 28) SOUND PROCESSOR 1 DISPLAY...
  • Page 21: Main (2/2) Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 – MAIN (2/2) SECTION – IC931 Q931 SWITCH +10V PL A+10V +UNREG, 12V MAIN CONTROL ST +10V IC501 (2/2) Q932 SWITCH FAN901 HP.SW H/P IN STK-POWER FAN SWITCH HP MUTE...
  • Page 22: Video Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 – VIDEO SECTION – D-RAM IC507 IC506 16 - 19 22 - 26 2 - 10 31 - 39 13 - 15 17 - 21 25 4 28 29 3 2 14 10...
  • Page 23: Power Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 – POWER SECTION – DISPLAY MIC-SIG SECTION MIC AMP MIC VOLUME ECHO CONTROL MIC LEVEL MIC AMP (Page 31) IC850 (1/2) RV850 IC851 RV851 IC850 (2/2) J801 MAIN (1/2)
  • Page 24 HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 – DISPLAY SECTION – DISPLAY CONTROL IC601 REMOTE CONTROL SIRCS RECIEVE IC602 S702 SERIAL PARALLEL JOG A ROTARY CONVERTER ENCODER JOG B IC604 D611 – D612, D615, D616, D618 – D621, D623 –...
  • Page 25 HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 WAVEFORMS – VIDEO SECTION – – MAIN (2/5) SECTION – THIS NOTE IS COMMON FOR PRINTED WIRING – CD SECTION – BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.)
  • Page 26: Printed Wiring Board - Bd Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-3. PRINTED WIRING BOARD – BD SECTION – • See page 18 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 (Page 44)
  • Page 27: Schematic Diagram - Bd Section

    HCD-VR50-/VR70 3 7 6 3 1 5 1 5 0 7-4. SCHEMATIC DIAGRAM – BD SECTION – • See page 32 for Waveforms. • See page 98 for IC Block Diagrams. • See page 101 for IC Pin Functions.
  • Page 28: Schematic Diagram - Deck Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-5. SCHEMATIC DIAGRAM – DECK SECTION – • See page 98 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3 (Page 59) w w w u 1 6 3 –...
  • Page 29: Printed Wiring Board - Deck Section

    HCD-VR50-/VR70 3 7 6 3 1 5 1 5 0 7-6. PRINTED WIRING BOARD – DECK SECTION – • See page 18 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 (Page 51)
  • Page 30: Printed Wiring Board - Video Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-7. PRINTED WIRING BOARD – VIDEO SECTION – (Page 52) • See page 18 for Circuit Boards Location. (Page 36) 1 3 9 4 2 2 9 6 5 1 3 •...
  • Page 31: Schematic Diagram - Video (1/3) Section

    HCD-VR50-/VR70 3 7 6 3 1 5 1 5 0 7-8. SCHEMATIC DIAGRAM – VIDEO (1/3) SECTION – • See page 34 for Waveforms. • See page 103 for IC Pin Functions. (Page (Page 37) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 32: Schematic Diagram - Video (2/3) Section

    HCD-VR50/VR70 7-9. SCHEMATIC DIAGRAM – VIDEO (2/3) SECTION – • See page 34 for Waveforms. • See page 105 for IC Pin Functions. 3 7 6 3 1 5 1 5 0 • See page 43 for Printed Wiring Board.
  • Page 33: Schematic Diagram - Video (3/3) Section

    HCD-VR50-/VR70 7-10. SCHEMATIC DIAGRAM – VIDEO (3/3) SECTION – 3 7 6 3 1 5 1 5 0 • See page 34 for Waveforms. • See page 43 for Printed Wiring Board. (Page 46) (Page 46) (Page 48) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 34: Printed Wiring Board - Main Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-11. PRINTED WIRING BOARD – MAIN SECTION – • Semiconductor Location • See page 18 for Circuit Boards Location. Ref. No. Location (Page 44) D333 D334 D335 D336 D501...
  • Page 35: Schematic Diagram - Main (1/5) Section

    HCD-VR50-/VR70 3 7 6 3 1 5 1 5 0 7-12. SCHEMATIC DIAGRAM – MAIN (1/5) SECTION – • See page 99 for IC Block Diagrams. (Page 1 3 9 4 2 2 9 6 5 1 3 (Page...
  • Page 36: Schematic Diagram - Main (2/5) Section

    HCD-VR50/VR70 7-13. SCHEMATIC DIAGRAM – MAIN (2/5) SECTION – • See page 34 for Waveforms. 3 7 6 3 1 5 1 5 0 • See page 51 for Printed Wiring Board. • See page 108 for IC Pin Functions.
  • Page 37: Schematic Diagram - Main (3/5) Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-14. SCHEMATIC DIAGRAM – MAIN (3/5) SECTION – • See page 51 for Printed Wiring Board. (Page 55, 56) (Page 56) (Page 45) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 38: Schematic Diagram - Main (4/5) Section

    HCD-VR50/VR70 7-15. SCHEMATIC DIAGRAM – MAIN (4/5) SECTION – 3 7 6 3 1 5 1 5 0 • See page 51 for Printed Wiring Board. (Page 54) (Page 40) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 39: Schematic Diagram - Main (5/5) Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-16. SCHEMATIC DIAGRAM – MAIN (5/5) SECTION – • See page 51 for Printed Wiring Board. (Page (Page 1 3 9 4 2 2 9 6 5 1 3...
  • Page 40: Printed Wiring Board - Power Section

    HCD-VR50/VR70 7-17. PRINTED WIRING BOARD – POWER SECTION – 3 7 6 3 1 5 1 5 0 • See page 18 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D401 D402 D403 D405 D406 D801 D802...
  • Page 41: Schematic Diagram - Power (1/2) Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-18. SCHEMATIC DIAGRAM – POWER (1/2) SECTION – (Page 95) 1 3 9 4 2 2 9 6 5 1 3 (Page 62) (Page 62) w w w u 1 6 3...
  • Page 42: Schematic Diagram - Power (2/2) Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-19. SCHEMATIC DIAGRAM – POWER (2/2) SECTION – • See page 63 for Printed Wiring Board. (Page 65) (Page 65) (Page 66) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 43: Schematic Diagram - Leaf Sw Section

    HCD-VR50/VR70 7-20. PRINTED WIRING BOARD – LEAF SW SECTION – 3 7 6 3 1 5 1 5 0 • See page 18 for Circuit Boards Location. (Page 51) 7-21. SCHEMATIC DIAGRAM – LEAF SW SECTION – 1 3 9 4 2 2 9 6 5 1 3...
  • Page 44: Schematic Diagram - Panel Fl Section

    HCD-VR50/VR70 7-22. SCHEMATIC DIAGRAM – PANEL FL SECTION – • See page 100 for IC Block Diagrams. 3 7 6 3 1 5 1 5 0 • See page 110 for IC Pin Functions. (Page 79) (Page 1 3 9 4 2 2 9 6 5 1 3...
  • Page 45: Printed Wiring Board - Panel Fl Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-23. PRINTED WIRING BOARD – PANEL FL SECTION – • See page 18 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 (Page 51)
  • Page 46: Schematic Diagram - Panel Vr Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-24. SCHEMATIC DIAGRAM – PANEL VR SECTION – • See page 99 for IC Block Diagrams. 1 3 9 4 2 2 9 6 5 1 3 (Page 72)
  • Page 47: Printed Wiring Board - Panel Vr Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-25. PRINTED WIRING BOARD – PANEL VR SECTION – • See page 18 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 CONTROL (Page 73) •...
  • Page 48: Schematic Diagram - Tc Panel Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-26. SCHEMATIC DIAGRAM – TC PANEL SECTION – (Page 72) 1 3 9 4 2 2 9 6 5 1 3 (Page 71) (Page 84) (Page 83) (Page 72)
  • Page 49: Printed Wiring Board - Tc Panel Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-27. PRINTED WIRING BOARD – TC PANEL SECTION – • See page 18 for Circuit Boards Location. (Page 73) (Page 74) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 50: Schematic Diagram - Cd Panel Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-28. SCHEMATIC DIAGRAM – CD PANEL SECTION – (Page 80) (Page 79, 80) R741 R740 R739 R738 R737 4.7k 3.3k 2.7k 1.8k 1.2k S671 S670 S669 S668 S667 SELECT...
  • Page 51: Printed Wiring Board - Cd Panel Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-29. PRINTED WIRING BOARD – CD PANEL SECTION – • See page 18 for Circuit Boards Location. (Page 82) (Page 81) 1 3 9 4 2 2 9 6 5 1 3...
  • Page 52: Schematic Diagram - Cd Motor Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-30. SCHEMATIC DIAGRAM – CD MOTOR SECTION – 1 3 9 4 2 2 9 6 5 1 3 (Page 58) w w w u 1 6 3 – 87 –...
  • Page 53: Printed Wiring Board - Cd Motor Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-31. PRINTED WIRING BOARD – CD MOTOR SECTION – • See page 18 for Circuit Boards Location. 1 3 9 4 2 2 9 6 5 1 3 (Page 52)
  • Page 54: Schematic Diagram - Jack Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-32. SCHEMATIC DIAGRAM – JACK SECTION – 1 3 9 4 2 2 9 6 5 1 3 (Page 65) (Page 62) w w w u 1 6 3 –...
  • Page 55: Printed Wiring Board - Jack Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-33. PRINTED WIRING BOARD – JACK SECTION – • See page 18 for Circuit Boards Location. ECHO LEVEL MIC VOL 1 3 9 4 2 2 9 6 5 1 3...
  • Page 56: Schematic Diagram - Trans Section

    HCD-VR50/VR70 3 7 6 3 1 5 1 5 0 7-34. SCHEMATIC DIAGRAM – TRANS SECTION – (Page 65) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 95 –...
  • Page 57: Printed Wiring Board - Trans Section

    HCD-VR50/VR70 3 7 63 1515 0 7-35. PRINTED WIRING BOARD – TRANS SECTION – • See page 18 for Circuit Boards Location. L 13942296513 (Page u163 – 97 – http://www.xiaoyu163.com...
  • Page 58: Ic Block Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 7-36. IC BLOCK DIAGRAMS • BD Board IC101 CXD3008Q 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 LRCK XRST DIGITAL DOUT MUTE DATA DATA ASYE XLAT XLAT INTERFACE CLOK CLOK...
  • Page 59 http://www.xiaoyu163.com 3 7 63 1515 0 • BD Board • VIDEO Board (3/3) IC103 CXA2568M-T6 IC509 PCM1727E-2/T2 384fs APC PD AMP LC/PD CLOCK MANAGER LD_ON • DUAL PLL HOLD AGCVTH VREF DGND PGND POWER APC LD AMP SUPPLY HOLD_SW AGCCONT SCKO1 (50%/30% SCKO2...
  • Page 60 http://www.xiaoyu163.com 3 7 63 1515 0 • PANEL FL Board IC603 BA3830F REFFERENCE RESET 18 RESET CURRENT REFFERENCE 17 f01 CURRENT LINE 16 f02 LINE 15 f03 13 f05 RESET 12 f06 BIAS 11 REC Bias LEVEL GND1 10 VCC L 13942296513 IC604 NJU3716L DATA...
  • Page 61: Ic Pin Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 7-37. IC PIN FUNCTIONS • IC101 DIGITAL SIGNAL PROCESSOR (CXD3008Q) (BD Board) Pin No. Pin Name Function DVDD0 — Digital power supply XRST System reset MUTE Muting selection pin DATA Serial data input, supplied from CPU XLAT Latch input, supplied from CPU CLOK...
  • Page 62 http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. Tracking error signal input Center servo analog input RFDC RF signal input ADI0 Test pin (Not used) AVSS0 — Analog ground IGEN Power supply pin operational amplifiers AVDD — Analog power supply ASYO EFM full swing output...
  • Page 63 http://www.xiaoyu163.com 3 7 63 1515 0 • IC502 MPEG DECODER, MECHANISM CONTROL (M30620MC-A05FP) (VIDEO Board (1/3)) Pin No. Pin Name Function SENSE Internal state (SENSE) monitor input (IC101) SENSE CLK Serial data reading clock output (IC101) DSP DATA Serial data output (IC101) DSP LATCH Lach output (IC101) DSP CLK...
  • Page 64 http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. BUS XWRL Not used LO. BOOST Not used AUDIO MUTE Audio mute output “L” : mute LOAD OUT Not used LOAD IN Not used INSW Not used OUTSW Not used MODEL 1 L : System input (Fixed at “L”) MODEL 2...
  • Page 65 http://www.xiaoyu163.com 3 7 63 1515 0 • IC505 CD DECODER, SYSTEM CONTROL (CL680T-D1) (VIDEO Board (2/3)) Pin Name Function Pin No. – Not used – Ground CD-BCK CD Decode bit clock CD-DATA CD Decode data CD-LRCK CD Decode Left or Right channel selection clock CD-C2PO CD Decode C2 error data –...
  • Page 66 http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. Address data from CL680 to Microcode ROM/DRAM – Ground Address data from CL680 to Microcode ROM/DRAM VDD3 – +3.3V Power supply Address data from CL680 to Microcode ROM/DRAM Address data from CL680 to Microcode ROM/DRAM Address data from CL680 to Microcode ROM/DRAM –...
  • Page 67 http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Function Pin No. PGIO0 Not used PGIO8 Not used PGIO2/VSYNC/CSYNC Vertical synchronized signal of video signal AVDD PLL – +3.3V Power supply – Not used – Not used – Not used AGND PLL –...
  • Page 68 http://www.xiaoyu163.com 3 7 63 1515 0 • IC501 MAIN CONTROL (M30622MA-A09FP) (MAIN board (2/5)) Pin Name Function Pin No. POWER Power amp ON/OFF signal output POWER Power ON/OFF signal output F-RELAY Front speaker relay control output REAR-RELAY Rear speaker relay control output (Not used) CD-POWER CD power on signal output LINE-MUTE...
  • Page 69 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function STEREO Stereo detection for tuner TUNED Tuned detection for tuner ST-CE Tuner chip enable output ST-DOUT Tuner data output ST-DIN Tuner data input ST-CLK Tuner clock output SENS BD Condition signal input HOLD MODE signal output CD latch signal output...
  • Page 70 http://www.xiaoyu163.com 3 7 63 1515 0 • IC601 DISPLAY CONTROL (TMP88CS76F-6004) (PANEL FL board) Pin Name Function Pin No. SIRCS Remote commander signal input JOG A Rotary encoder (S702) pulse input LED SCK LED clock signal output LED LATCH LED latch signal output LED DAT LED serial data output LED POWER...
  • Page 71: Exploded Views

    http://www.xiaoyu163.com SECTION 8 EXPLODED VIEWS 3 7 63 1515 0 NOTE: The components identified by • Items marked “*” are not stocked since they are • Abbreviation mark ! or dotted line with mark seldom required for routine service. Some delay : Saudi Arabia model ! are critical for safety.
  • Page 72: Front Panel Section 1

    http://www.xiaoyu163.com 3 7 63 1515 0 8-2. FRONT PANEL SECTION 1 not supplied FL601 not supplied Supplied with RV850 L 13942296513 not supplied Supplied with J803 Supplied with Supplied with J802 J801 not supplied not supplied Ref. No. Part No. Description Remark Ref.
  • Page 73: Front Panel Section 2

    4-214-769-01 SPRING (TC-B), TORSION X-4950-647-1 PANEL ASSY (VR70) 4-214-768-01 SPRING (TC-A), TORSION * 110 3-973-975-21 DAMPER, OIL 4-214-759-01 EMBLEM (NO.6), SONY u163 X-4950-643-1 PANEL ASSY, SUB 4-951-620-01 SCREW (2.6X8), +BVTP X-4950-666-1 LID (A) ASSY, CASSETTE (VR50) 4-957-577-01 SCREW PTP WH (2.6X8)(DIA. 10)
  • Page 74: Chassis Section

    http://www.xiaoyu163.com 3 7 63 1515 0 8-4. CHASSIS SECTION T951 not supplied not supplied not supplied not supplied L 13942296513 CDM37L-5BD34L (EXCEPT IA) (IA) CNP901 CNP901 not supplied The components identified by mark ! or dotted not supplied line with mark ! are critical for safety. Replace only with part number specified.
  • Page 75: Tc Mechanism Section 1 (Tcm230Awr2/230Pwr2)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-5. TC MECHANISM SECTION 1 (TCM230AWR2/230PWR2) *NOTE: Two types of parts which are not interchangeable are available for the Head deck (A) ASSY and Head deck (B) ASSY. When replacing the parts, refer to the following figure, and use the appropriate part.
  • Page 76: Tc Mechanism Section 2 (Tcm230Awr2/230Pwr2)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-6. TC MECHANISM SECTION 2 (TCM230AWR2/230PWR2) *NOTE: Two types of parts which are not interchangeable are available for the mechanical block assembly. When replacing the parts, refer to the following figure, and use the appropriate part. Parts with “P”...
  • Page 77: Cd Mechanism Section (Cdm37L-5Bd34L)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-7. CD MECHANISM SECTION (CDM37L-5BD34L) supplied L 13942296513 M201 supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-987-976-01 SCREW, STEP 4-978-426-01 INDICATOR (NO.) 4-944-490-01 BELT (TIMING) A-4660-978-A GEAR (PULLEY) ASSY * 516 1-659-059-13 LED (CD) BOARD 4-978-421-01 GEAR (MID)
  • Page 78: Base Unit Section (Bu-5Bd34L)

    http://www.xiaoyu163.com 3 7 63 1515 0 8-8. BASE UNIT SECTION (BU-5BD34L) L 13942296513 M101 M102 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref.
  • Page 79: Electrical Parts List

    http://www.xiaoyu163.com SECTION 9 AUDIO ELECTRICAL PARTS LIST 3 7 63 1515 0 Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list The components identified by In each case, u: µ , for example: may be different from the parts specified in the mark ! or dotted line with mark uA...: µ...
  • Page 80 http://www.xiaoyu163.com AUDIO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VARIABLE RESISTOR > CN102 1-777-937-11 CONNECTOR, FFC/FPC 16P RV301 1-238-598-11 RES, ADJ, CARBON 2.2K < IC > RV311 1-238-598-11 RES, ADJ, CARBON 2.2K RV341 1-241-768-11 RES, ADJ, CARBON 220K IC101...
  • Page 81 http://www.xiaoyu163.com CD-L CD MOTOR CD-R 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R175 1-216-025-91 RES,CHIP 1/10W A-4673-765-A CD MOTOR BOARD, COMPLETE R203 1-216-025-91 RES,CHIP 1/10W *************************** R204 1-216-025-91 RES,CHIP 1/10W R205 1-216-025-91 RES,CHIP 1/10W...
  • Page 82 http://www.xiaoyu163.com CD-R DOOR SW FRONT INPUT JACK 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S679 1-554-303-21 SWITCH, TACTILE (‚) C859 1-126-961-11 ELECT 2.2uF S681 1-554-303-21 SWITCH, TACTILE (fl) C860 1-162-215-31 CERAMIC 47PF C861 1-162-282-31 CERAMIC...
  • Page 83 http://www.xiaoyu163.com JACK LEAF SW LED (CD) LED (PANEL) 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R809 1-249-417-11 CARBON 1/4W F R1005 1-247-818-91 CARBON 1/4W R810 1-247-807-31 CARBON 1/4W R1006 1-247-864-11 CARBON 1/4W R1007 1-247-856-00 CARBON...
  • Page 84 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4417-464-A MAIN BOARD, COMPLETE (VR70) C305 1-126-964-11 ELECT 10uF C306 1-126-960-11 ELECT ******************** C307 1-126-959-11 ELECT 0.47uF A-4417-549-A MAIN BOARD, COMPLETE (VR50:MY,SP) C308 1-126-964-11 ELECT 10uF...
  • Page 85 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C658 1-163-031-11 CERAMIC CHIP 0.01uF * CN902 1-770-729-11 CONNECTOR, BOARD TO BOARD 10P C659 1-126-933-11 ELECT 100uF * CN903 1-564-518-11 PLUG, CONNECTOR 3P C701 1-163-001-11 CERAMIC CHIP 220PF...
  • Page 86 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > Q802 8-729-029-21 TRANSISTOR DTA114ESA-TP Q803 8-729-029-21 TRANSISTOR DTA114ESA-TP J701 1-766-558-41 JACK, PIN 8P Q804 8-729-029-40 TRANSISTOR DTA124ESA (VIDEO 1 (AUDIO) IN, PHONO IN, MD OUT) J702 1-770-336-11 JACK, PIN 2P (VIDEO 1 (VIDEO) IN, VIDEO OUT) Q901...
  • Page 87 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R167 1-216-073-00 METAL CHIP 1/10W R355 1-216-057-00 METAL CHIP 2.2K 1/10W R168 1-216-089-91 RES,CHIP 1/10W R169 1-216-057-00 METAL CHIP 2.2K 1/10W R356 1-216-071-00 METAL CHIP 8.2K...
  • Page 88 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R563 1-216-025-91 RES,CHIP 1/10W R704 1-216-097-91 RES,CHIP 100K 1/10W R565 1-216-025-91 RES,CHIP 1/10W R705 1-216-049-91 RES,CHIP 1/10W R567 1-216-073-00 METAL CHIP 1/10W R706 1-216-097-91 RES,CHIP...
  • Page 89 http://www.xiaoyu163.com 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C802 1-162-292-31 CERAMIC 680PF D804 8-719-991-33 DIODE 1SS133T-77 C803 1-162-286-31 CERAMIC 220PF D805 8-719-991-33 DIODE 1SS133T-77 C804 1-126-967-11 ELECT 47uF D831 8-719-510-68 DIODE D5SBA20F01 C807 1-128-560-11 ELECT 22uF...
  • Page 90 http://www.xiaoyu163.com PANEL FL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R446 1-249-429-11 CARBON 1/4W R880 1-249-402-11 CARBON 1/4W F R447 1-249-437-11 CARBON 1/4W ! R889 1-215-877-11 METAL OXIDE R903 1-249-429-11 CARBON 1/4W R801 1-249-417-11 CARBON...
  • Page 91 http://www.xiaoyu163.com PANEL FL 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C654 1-162-286-21 CERAMIC 220PF R611 1-249-429-11 CARBON 1/4W C655 1-162-286-21 CERAMIC 220PF R612 1-247-807-31 CARBON 1/4W C656 1-162-286-21 CERAMIC 220PF R613 1-247-807-31 CARBON 1/4W...
  • Page 92 http://www.xiaoyu163.com PANEL FL PANEL VR 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R671 1-249-393-11 CARBON 1/4W F D612 8-719-058-04 DIODE SEL5223S-TP15 (SUPER WOOFER) R672 1-249-393-11 CARBON 1/4W F D615 8-719-057-97 DIODE SEL5923A-TP15 (KEY CONTROL) R673 1-249-393-11 CARBON 1/4W F...
  • Page 93 http://www.xiaoyu163.com PANEL VR TABLE SENSOR TC-A TC-B TRANS 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S636 1-554-303-21 SWITCH, TACTILE (EFFECT) R713 1-249-413-11 CARBON 1/4W F R714 1-249-414-11 CARBON 1/4W F S637 1-554-303-21 SWITCH, TACTILE (P.FILE MEMORY) R715...
  • Page 94 http://www.xiaoyu163.com TRANS VIDEO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FH964 1-533-233-21 HOLDER, FUSE C504 1-165-319-11 CERAMIC CHIP 0.1uF FH965 1-533-233-21 HOLDER, FUSE FH966 1-533-233-21 HOLDER, FUSE C505 1-126-206-11 ELECT CHIP 100uF 6.3V FH967...
  • Page 95 http://www.xiaoyu163.com VIDEO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D502 8-719-018-51 DIODE CL-170R-CD Q502 8-729-024-91 TRANSISTOR 2SC2712-GL-TE85L Q531 8-729-140-75 TRANSISTOR 2SD999-CLCK < IC > < RESISTOR > IC101 8-759-701-39 IC NJM3404AM IC401 8-759-262-00 IC MC14576CF R101...
  • Page 96 http://www.xiaoyu163.com VIDEO 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R457 1-216-025-91 RES,CHIP 1/10W R564 1-216-025-91 RES,CHIP 1/10W R458 1-216-025-91 RES,CHIP 1/10W R565 1-216-025-91 RES,CHIP 1/10W R566 1-216-025-91 RES,CHIP 1/10W R459 1-216-025-91 RES,CHIP 1/10W R567...
  • Page 97 http://www.xiaoyu163.com 3 7 63 1515 0 Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS ******************************** 1-418-244-21 COMMANDER, STANDARD (RM-SV66B) 1-501-374-11 ANNTENA, LOOP 1-501-659-41 ANTENNA (FM) 4-983-536-11 COVER, BATTERY (FOR RM-SV66B) 3-865-554-11 MANUAL, INSTRUCTION (ENGLISH) 3-865-554-21 MANUAL, INSTRUCTION (FRENCH)(EA) 3-865-554-31 MANUAL, INSTRUCTION (FRENCH,SPANISH)(SP,MY) 3-865-554-41 MANUAL, INSTRUCTION (CHINESE)(EXCEPT IA)
  • Page 98 HCD-VR50/VR70 3 7 63 1515 0 L 13942296513 u163 99E0923-1D Sony Corporation Printed in Japan © 1999. 5 9-928-915-11 Home Audio Company Published by Quality Assurance Dept. – 138 – http://www.xiaoyu163.com...

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