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Sony MDX-C8970R Service Manual

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SERVICE MANUAL
MDX-C8970R
SUPPLEMENT-1
File this supplement with the service manual.
Subject: Main/Display/Relay Boards Modification
CONTENTS
1.
2.
Schematic Diagrams ....................................................... 3
- MAIN Board (Component Side) - .............................. 10
- MAIN Board (Conductor Side) - ................................ 11
2-10. Schematic Diagram - DISPLAY Board - ..................... 13
2-11. Printed Wiring Board - RELAY Board - ...................... 14
2-12. Schematic Diagram - RELAY Board - ......................... 15
3.
(ECN-CSB00896)
.................................................... 2
............................... 16
AEP Model
UK Model

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  • Page 1: Table Of Contents

    MDX-C8970R AEP Model UK Model SERVICE MANUAL SUPPLEMENT-1 File this supplement with the service manual. Subject: Main/Display/Relay Boards Modification (ECN-CSB00896) CONTENTS DISCRIMINATION ............ 2 DIAGRAMS 2-1. Note for Printed Wiring Boards and Schematic Diagrams ............3 2-2. Schematic Diagram – MAIN Board (1/5) – ....5 2-3.

  • Page 2: Discrimination

    1. DISCRIMINATION – MAIN BOARD (Component Side) – Former :1-674-589-11 :1-674-589-12 – DISPLAY BOARD (Conductor Side) – Former :1-674-590-11 :1-674-590-12 – RELAY BOARD (Component Side) – Former :1-674-591-11 :1-674-591-12...

  • Page 3: Diagrams

    2. DIAGRAMS 2-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS (In addition to this, the necessary note is printed in each block) Note on Printed Wiring Boards: Note on Schematic Diagrams: • X : parts extracted from the component side. •...

  • Page 5: Schematic Diagram - Main Board (1/5)

    MDX-C8970R 2-2. SCHEMATIC DIAGRAM – MAIN Board (1/5) – (Page 6) (Page 9) (Page 8) (Page 7) Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...

  • Page 6: Schematic Diagram - Main Board (2/5)

    MDX-C8970R 2-3. SCHEMATIC DIAGRAM – MAIN Board (2/5) – (Page (Page (Page 8) Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...

  • Page 7: Schematic Diagram - Main Board (3/5)

    MDX-C8970R 2-4. SCHEMATIC DIAGRAM – MAIN Board (3/5) – (Page 5) (Page 6) (Page 9) (Page (Page 9) Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground ) : MW under no-signal (detuned) conditions. ] : LW 〈〈...

  • Page 8: Schematic Diagram - Main Board (4/5)

    MDX-C8970R 2-5. SCHEMATIC DIAGRAM – MAIN Board (4/5) – (Page 6) (Page 5) (Page (Page 15) Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM 〈〈 〉〉 : MD PLAY...

  • Page 9: Schematic Diagram - Main Board (5/5)

    MDX-C8970R 2-6. SCHEMATIC DIAGRAM – MAIN Board (5/5) – (Page (Page 5) Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ) : MW ] : LW 〈〈...

  • Page 10: Printed Wiring Board - Main Board (Component Side)

    MDX-C8970R 2-7. PRINTED WIRING BOARD – MAIN Board (Component Side) – • Semiconductor Location Ref. No. Location Ref. No. Location D131 IC151 D2O4 J-11 IC271 C-13 D251 K-12 IC300 D252 K-12 IC404 E-10 D253 K-12 IC421 E-12 D254 K-11 IC500...

  • Page 11: Printed Wiring Board - Main Board (Conductor Side)

    MDX-C8970R 2-8. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – • Semiconductor Location Ref. No. Location Ref. No. Location D181 IC603 D272 B-12 IC604 D273 B-12 IC631 D274 B-12 IC633 D275 C-12 IC634 D276 B-12 IC661 D277 B-13 IC663...

  • Page 12: Printed Wiring Board - Display Board

    MDX-C8970R 2-9. PRINTED WIRING BOARD – DISPLAY Board – • Semiconductor Location (Component Side) Ref. No. Location IC910 LED900 LED901 LED902 LED903 LED904 LED905 LED906 LED907 LED971 LED972 LED973 C-12 LED974 LED975 A-12 LED976 B-12 • Semiconductor Location (Conductor Side) Ref.

  • Page 13: Schematic Diagram - Display Board

    MDX-C8970R 2-10. SCHEMATIC DIAGRAM – DISPLAY Board – (Page Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM...

  • Page 14: Printed Wiring Board - Relay Board

    MDX-C8970R 2-11. PRINTED WIRING BOARD – RELAY Board – (Page 11) (Page 12)

  • Page 15: Schematic Diagram - Relay Board

    MDX-C8970R 2-12. SCHEMATIC DIAGRAM – RELAY Board – (Page 13) (Page 8)

  • Page 16: Electrical Parts List

    3. ELECTRICAL PARTS LIST DISPLAY NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference parts list may be different from the parts speci- are seldom required for routine service. number, please include the board.
  • Page 17 DISPLAY MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q902 8-729-424-08 TRANSISTOR UN2111-TX R953 1-216-821-11 METAL CHIP 1/16W Q903 8-729-424-08 TRANSISTOR UN2111-TX R954 1-216-825-11 METAL CHIP 2.2K 1/16W Q904 8-729-106-60 TRANSISTOR 2SB1132-T101-QR R955 1-216-825-11 METAL CHIP 2.2K 1/16W R956...
  • Page 18 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C114 1-163-125-00 CERAMIC CHIP 220PF C115 1-163-275-11 CERAMIC CHIP 0.001uF C403 1-117-681-11 ELECT CHIP 100uF C131 1-115-339-11 CERAMIC CHIP 0.1uF C404 1-117-681-11 ELECT CHIP 100uF C405 1-115-339-11 CERAMIC CHIP 0.1uF C132 1-115-339-11 CERAMIC CHIP...
  • Page 19 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C607 1-115-412-11 CERAMIC CHIP 680PF C608 1-115-412-11 CERAMIC CHIP 680PF C682 1-164-506-11 CERAMIC CHIP 4.7uF C609 1-163-021-11 CERAMIC CHIP 0.01uF C683 1-162-964-11 CERAMIC CHIP 0.001uF C684 1-162-964-11 CERAMIC CHIP 0.001uF C611 1-124-779-00 ELECT CHIP...
  • Page 20 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark CN251 1-770-410-11 CONNECTOR, BOARD TO BOARD 18P D466 8-719-071-25 DIODE HZU18B2TRF CN271 1-580-907-31 PLUG, CONNECTOR (BUS CONTROL IN) * CN291 1-564-506-11 PLUG, CONNECTOR 3P D467 8-719-053-18 DIODE 1SR154-400TE-25 D468 8-719-053-18 DIODE 1SR154-400TE-25 CN401...
  • Page 21 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC603 8-759-394-84 IC NJM072BM-TE2 Q271 1-801-806-11 TRANSISTOR DTC144EK-T146 IC604 8-759-593-97 IC NJM2160AM-TE2 Q272 8-729-028-91 TRANSISTOR DTA144EUA-T106 IC631 8-759-385-17 IC NJM4580E (TE2) Q273 8-729-120-28 TRANSISTOR 2SC2412K-T-146-QR IC632 8-759-594-52 IC LM1973MX Q274 8-729-120-28 TRANSISTOR 2SC2412K-T-146-QR...
  • Page 22 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R402 1-216-045-00 METAL CHIP 1/10W R151 1-216-017-00 RES, CHIP 1/10W R403 1-216-033-00 METAL CHIP 1/10W R153 1-216-001-00 METAL CHIP 1/10W R404 1-216-041-00 METAL CHIP 1/10W R154 1-216-813-11 METAL CHIP 1/16W R155 1-216-813-11 METAL CHIP...
  • Page 23 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R632 1-216-833-11 RES, CHIP 1/16W R520 1-216-097-00 RES, CHIP 100K 1/10W R521 1-216-845-11 METAL CHIP 100K 1/16W R633 1-216-841-11 METAL CHIP 1/16W R522 1-216-097-00 RES, CHIP 100K 1/10W R634 1-218-711-11 METAL CHIP...
  • Page 24 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R751 1-216-813-11 METAL CHIP 1/16W R954 1-216-105-00 RES, CHIP 220K 1/10W R752 1-216-813-11 METAL CHIP 1/16W R955 1-216-089-00 RES, CHIP 1/10W R753 1-216-081-00 METAL CHIP 1/10W R956 1-216-097-00 RES, CHIP 100K 1/10W...
  • Page 25 MAIN RELAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X901 1-781-536-11 VIBRATOR, CRYSTAL (4.332MHz) X951 1-579-843-11 VIBRATOR, CRYSTAL (4.19MHz) ************************************************************** A-3294-736-A RELAY BOARD, COMPLETE ********************** 3-040-760-01 SHEET (CONNECTOR) < CAPACITOR > C701 1-164-004-11 CERAMIC CHIP 0.1uF C702 1-164-004-11 CERAMIC CHIP...
  • Page 26 MDX-C8970R Sony Corporation 9-926-588-81 99K057542-1 Mobile Electronics Division Company Printed in Hungary C 1999. 11 Published by General Engineering Dept.

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