STR-DB870/DB1070

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STR-DB870/DB1070 4 TABLE OF CONTENTS 1. SERVICING NOTES ............................................... 5 2. GENERAL ................................................................... 6 3. DISASSEMBLY 3-1. Disassembly Flow ........................................................... 8 3-2. Case ................................................................................. 9 3-3. S-VIDEO board, VIDEO Board, Tuner ......................... 9 3-4. VIDEO AU Board ........................................................... 10 3-5. DIGITAL Board .............................................................. 10 3-6. MAIN Board ................................................................... 11 4. TEST MODE .............................................................. 12 5. DIAGRAMS 5-1. Note for Printed Wiring Boards and Schematic Diagrams ................................................ 13 5-2. Schematic Diagram – DIGITAL Board (1/5) – ............. 15 5-3. Schematic Diagram – DIGITAL Board (2/5) – ............. 16 5-4. Schematic Diagram – DIGITAL Board (3/5) – ............. 17 5-5. Schematic Diagram – DIGITAL Board (4/5) – ............. 18 5-6. Schematic Diagram – DIGITAL Board (5/5) – ............. 19 5-7. Printed Wiring Board – DIGITAL Board (Component Side) – ......................... 20 5-8. Printed Wiring Board – DIGITAL Board (Conductor Side) – ........................... 21 5-9. Printed Wiring Board – VIDEO Board –....................... 22 5-10. Schematic Diagram – VIDEO Board – ......................... 23 5-11. Printed Wiring Boards – S-VIDEO/VIDEO AU Boards – .................................. 24 5-12. Schematic Diagram – S-VIDEO/VIDEO AU Boards – .................................. 25 5-13. Printed Wiring Board – MAIN Board – ........................ 26 5-14. Schematic Diagram – MAIN Board (1/3) – .................. 27 5-15. Schematic Diagram – MAIN Board (2/3) – .................. 28 5-16. Schematic Diagram – MAIN Board (3/3) – .................. 29 5-17. Printed Wiring Board – BIAS Board – .......................... 30 5-18. Schematic Diagram – BIAS Board – ............................. 31 5-19. Printed Wiring Boards – DISP/SW Boards – ................ 32 5-20. Schematic Diagram – DISP/SW Boards – .................... 33 5-21. Printed Wiring Boards – H.P/MUTING/POWER/SP/VIDEO 3 Boards – ......... 34 5-22. Schematic Diagram – H.P/MUTING/POWER/SP/VIDEO 3 Boards – ......... 35 5-23. Printed Wiring Boards – POWER SUPPLY Section – ........................................ 36 5-24. Schematic Diagram – POWER SUPPLY Section – ...... 37 5-25. IC Pin Function Description ........................................... 43 6. EXPLODED VIEWS 6-1. Case Section .................................................................... 55 6-2. Front Panel Section-1 ...................................................... 56 6-3. Front Panel Section-2 ...................................................... 57 6-4. Chassis Section-1 ............................................................ 58 6-5. Chassis Section-2 ............................................................ 59 7. ELECTRICAL PARTS LIST ............................... 60
• MODEL IDENTIFICATION – Rear Panel – SECTION 1 SERVICING NOTES PART No. Model PART No. DB1070 : US model 4-233-610-0[] DB1070 : Canadian model 4-233-610-1[] DB1070 : Malaysia and Singapore models 4-233-610-2[] DB1070 : Chinese model 4-233-610-3[] DB1070 : AEP and UK models 4-233-610-5[] DB1070 : 120 V AC area and 240 V AC area in E models 4-233-610-7[] DB1070 : Taiwan model 4-233-610-8[] DB1070 : Korean model 4-233-610-9[] DB870 : Canadian model 4-233-630-1[] DB870 : AEP and UK models 4-233-630-2[] SERVICE POSITION In checking the DIGITAL board, prepare jig (extension cable J-2501-208-A: 200 mm 21 core). MAIN board STR-DB870/DB1070 Connect jig (extension cable J-2501-208-A) to the MAIN board (CN806, 807) and DIGITAL board (CN1102, 1103). DIGITAL board 5
Page 1 and 2: STR-DB870/DB1070 SERVICE MANUAL Ver
Page 3: Notes on chip component replacement
Page 7 and 8: - Rear Panel - 1 23 4 5 6 7 8 9 0 q
Page 9 and 10: Note: Follow the disassembly proced
Page 11 and 12: 3-6. MAIN BOARD 3 two screws (BVTP3
Page 13 and 14: SECTION 5 DIAGRAMS 5-1. NOTE FOR PR
Page 15 and 16: 5-2. SCHEMATIC DIAGRAM - DIGITAL Bo
Page 17 and 18: STR-DB870/DB1070 17 17 5-4. SCHEMAT
Page 19 and 20: 5-6. SCHEMATIC DIAGRAM - DIGITAL Bo
Page 21 and 22: 5-8. PRINTED WIRING BOARD - DIGITAL
Page 23 and 24: 5-10. SCHEMATIC DIAGRAM - VIDEO Boa
Page 25 and 26: 5-12. SCHEMATIC DIAGRAM - S-VIDEO/V
Page 27 and 28: 5-14. SCHEMATIC DIAGRAM - MAIN Boar
Page 29 and 30: 5-16. SCHEMATIC DIAGRAM - MAIN Boar
Page 31 and 32: 5-18. SCHEMATIC DIAGRAM - BIAS Boar
Page 33 and 34: 5-20. SCHEMATIC DIAGRAM - DISP/SW B
Page 35 and 36: 5-22. SCHEMATIC DIAGRAM - H.P/MUTIN
Page 37 and 38: 5-24. SCHEMATIC DIAGRAM - POWER SUP
Page 39 and 40: IC307 MB90089F-G-238-BND (VIDEO Boa
Page 41 and 42: IC1201 PCM1604Y/2K (DIGITAL Board)
Page 43 and 44: 5-25. IC PIN FUNCTION DESCRIPTION
Page 45 and 46: • DIGITAL BOARD IC1501 CDX9617R (
Page 47 and 48: • DIGITAL BOARD IC1601 CXD9616R (
Page 49 and 50: Pin No. Pin Name I/O Description 12
Page 51 and 52: STR-DB870/DB1070 Pin No. Pin Name I
Page 53 and 54: Pin No. Pin Name I/O Description 13
Page 55 and 56:
NOTE: • -XX and -X mean standardi
Page 57 and 58:
6-3. FRONT PANEL SECTION-2 101 102
Page 59 and 60:
6-5. CHASSIS SECTION-2 #1 #1 not su
Page 61 and 62:
Ref. No. Part No. Description Remar
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Page 85 and 86:
MEMO STR-DB870/DB1070 85
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STR-DB870/DB1070

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