Sony MDX-C8970 Service Manual
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- Operating instructions manual (43 pages) ,
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Service Manual
SERVICE MANUAL
SUPPLEMENT-1
File this supplement with the service manual.
Subject: Main/Display/Relay Boards Modification
CONTENTS
1.
2.
Schematic Diagrams ....................................................... 3
2-2. Schematic Diagram - MAIN Board (1/5) - .................. 5
2-3. Schematic Diagram - MAIN Board (2/5) - .................. 6
2-4. Schematic Diagram - MAIN Board (3/5) - .................. 7
2-5. Schematic Diagram - MAIN Board (4/5) - .................. 8
2-6. Schematic Diagram - MAIN Board (5/5) - .................. 9
- MAIN Board (Component Side) - .............................. 10
- MAIN Board (Conductor Side) - ................................ 11
2-9. Printed Wiring Board - DISPLAY Board - ................. 12
2-10. Schematic Diagram - DISPLAY Board - ..................... 13
2-11. Printed Wiring Board - RELAY Board - ...................... 14
2-12. Schematic Diagram - RELAY Board - ......................... 15
3.
MDX-C8970
(ECN-CSB00896)
.................................................... 2
............................... 16
US Model
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Table of Contents
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Summary of Contents for Sony MDX-C8970
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Page 1: Table Of Contents
MDX-C8970 US 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 Diagram: • X : parts extracted from the component side. •... -
Page 5: Schematic Diagram - Main Board (1/5)
MDX-C8970 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-C8970 2-3. SCHEMATIC DIAGRAM – MAIN Board (2/5) – (Page (Page 7) (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-C8970 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 under no-signal (detuned) conditions. no mark : FM ) : AM 〈〈... -
Page 8: Schematic Diagram - Main Board (4/5)
MDX-C8970 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-C8970 2-6. SCHEMATIC DIAGRAM – MAIN Board (5/5) – (Page 7) (Page 5) Note on Schematic Diagram: • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM ) : AM 〈〈 〉〉 : MD PLAY... -
Page 10: Printed Wiring Board - Main Board (Component Side)
MDX-C8970 2-7. PRINTED WIRING BOARD – MAIN Board (Component Side) – • Semiconductor Location Ref. No. Location Ref. No. Location D2O4 J-11 D701 H-11 D251 K-12 D252 K-12 IC151 D253 K-12 IC271 C-13 D254 K-11 IC300 D255 K-13 IC404 E-10... -
Page 11: Printed Wiring Board - Main Board (Conductor Side)
MDX-C8970 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-C8970 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-C8970 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-C8970 2-11. PRINTED WIRING BOARD – RELAY Board – (Page 11) (Page 12) -
Page 15: Schematic Diagram - Relay Board
MDX-C8970 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 Q904 8-729-106-60 TRANSISTOR 2SB1132-T101-QR R955 1-216-825-11 METAL CHIP 2.2K 1/16W R956 1-216-825-11 METAL CHIP 2.2K 1/16W Q971 8-729-120-28 TRANSISTOR 2SC2412K-T-146-QR R957 1-216-825-11 METAL CHIP 2.2K 1/16W Q972 8-729-106-60 TRANSISTOR 2SB1132-T101-QR...
- Page 18 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C113 1-163-275-11 CERAMIC CHIP 0.001uF C423 1-163-021-11 CERAMIC CHIP 0.01uF C114 1-163-125-00 CERAMIC CHIP 220PF C115 1-163-275-11 CERAMIC CHIP 0.001uF C424 1-117-681-11 ELECT CHIP 100uF C151 1-104-913-11 TANTALUM CHIP 10uF C425 1-126-204-11 ELECT CHIP 47uF...
- Page 19 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C616 1-164-506-11 CERAMIC CHIP 4.7uF C705 1-163-009-11 CERAMIC CHIP 0.001uF C617 1-162-919-11 CERAMIC CHIP 22PF C618 1-117-681-11 ELECT CHIP 100uF C706 1-163-235-11 CERAMIC CHIP 22PF C619 1-117-681-11 ELECT CHIP 100uF C707 1-163-235-11 CERAMIC CHIP...
- Page 20 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D264 8-719-071-25 DIODE HZU18B2TRF FB204 1-500-240-22 FERRITE D265 8-719-071-25 DIODE HZU18B2TRF FB205 1-500-240-22 FERRITE D271 8-719-938-75 DIODE SB05-05CP-TB D272 8-719-064-08 DIODE HZU6.8B2TRF FB206 1-500-240-22 FERRITE D273 8-719-071-25 DIODE HZU18B2TRF FB301 1-500-240-22 FERRITE FB302...
- Page 21 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L701 1-412-060-11 INDUCTOR CHIP 22uH R111 1-216-296-00 SHORT R113 1-216-295-00 SHORT < TRANSISTOR > R114 1-216-864-11 METAL CHIP 1/16W R124 1-216-037-00 METAL CHIP 1/10W Q131 8-729-029-14 TRANSISTOR DTC144EUA-T106 R133 1-216-821-11 METAL CHIP...
- Page 22 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R342 1-216-089-00 RES, CHIP 1/10W R513 1-216-295-00 SHORT R352 1-216-295-00 SHORT R514 1-216-033-00 METAL CHIP 1/10W R515 1-216-033-00 METAL CHIP 1/10W R353 1-216-295-00 SHORT R516 1-216-813-11 METAL CHIP 1/16W R354 1-216-295-00 SHORT...
- Page 23 MAIN RELAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R645 1-202-926-11 RES, CHIP 1/16W R773 1-218-714-11 METAL CHIP 8.2K 0.5% 1/16W R646 1-216-833-11 RES, CHIP 1/16W R774 1-218-720-11 METAL CHIP 0.5% 1/16W R775 1-218-704-11 METAL CHIP 3.3K 0.5% 1/16W...
- Page 24 MDX-C8970 RELAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C702 1-164-004-11 CERAMIC CHIP 0.1uF C705 1-163-009-11 CERAMIC CHIP 0.001uF C706 1-163-009-11 CERAMIC CHIP 0.001uF < CONNECTOR > CN701 1-793-290-11 SOCKET, CONNECTOR 18P CN702 1-779-169-11 SOCKET, CONNECTOR 18P <...