Sony HDC-P31 - Section 1 Service Overview; 1-1. Checking before Installation

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Table of Contents
Section 1 Service Overview..................................................................................................................................................................4
1-1. Checking before Installation .........................................................................................................................................................4
1-1-1. Checking the ROM and Software Version .............................................................................................................................4
1-2. Screw Positions for Mounting and Hanging .................................................................................................................................5
1-3. Connectors and Cables ..................................................................................................................................................................6
1-3-1. Connector Input/Output Signals .............................................................................................................................................6
1-3-2. Wiring Diagrams for Cables ................................................................................................................................................. 10
1-3-3. Connection Connectors/Cables ............................................................................................................................................ 10
1-4. Functions of Onboard Switches and LED Indicators .................................................................................................................. 11
1-4-1. AT-195 Board ....................................................................................................................................................................... 11
1-4-2. DPR-393 Board .................................................................................................................................................................... 12
1-4-3. DR-697 Board (HDC-P50) .................................................................................................................................................. 12
1-4-4. DR-699 Board (HDC-P31) .................................................................................................................................................. 13
1-4-5. SY-471 Board ....................................................................................................................................................................... 13
1-4-6. VIF-77 Board ....................................................................................................................................................................... 14
1-5. Flexible Card Wire and Fine-Wire Coaxial Cable....................................................................................................................... 15
1-5-1. Disconnecting and Connecting Flexible Flat Cable and Flexible Board .............................................................................. 15
1-5-2. Disconnecting/Connecting Fine-Wire Coaxial Cable ........................................................................................................... 16
1-5-3. Disconnecting/Connecting Coaxial Cable ............................................................................................................................ 19
1-5-4. Connecting/Disconnecting Coaxial Cable for SDI 1, 2 ........................................................................................................ 20
1-6. Circuit Protection Parts ............................................................................................................................................................... 21
1-6-1. Fuses .................................................................................................................................................................................... 21
1-6-2. Circuit Protection Element ................................................................................................................................................... 21
1-7. Fixtures/Measuring Equipments List .......................................................................................................................................... 22
1-7-1. Service Tools ........................................................................................................................................................................ 22
1-7-2. Measuring Equipment .......................................................................................................................................................... 22
1-8. Explanation of Adhering Number ............................................................................................................................................... 23
Section 2 Periodic Maintenance and Inspection ................................................................................................................................. 24
2-1. Recommended Replacement Parts .............................................................................................................................................. 24
2-2. Cleaning the Air Vents ................................................................................................................................................................ 25
2-3. Replacing Lithium Battery .......................................................................................................................................................... 26
2-3-1. Note on Replacement of Lithium Battery ............................................................................................................................ 26
2-3-2. Replacing Lithium Battery ................................................................................................................................................... 26
Section 3 Diagnostics ......................................................................................................................................................................... 27
3-1. Device Check .............................................................................................................................................................................. 27
3-1-1. BOARD STATUS (DIAGNOSIS Menu) ............................................................................................................................. 27
Section 4 Replacement of Main Parts ................................................................................................................................................. 28
4-1. Precautions before Work ............................................................................................................................................................. 28
4-1-1. Tightening Torque ................................................................................................................................................................ 28
4-2. Location of Printed Wiring Boards ............................................................................................................................................. 29
4-3. Actions to be Taken during Board Replacement and after Board Replacement or after Board Repair ....................................... 30
4-3-1. Stored Data of ICs ................................................................................................................................................................ 30
4-3-2. Alignment and Setting Required when Replacing AT-195 Board ......................................................................................... 30
4-3-3. Alignment and Setting Required when Replacing MB-1259 Board or VIF-77 Board ......................................................... 30
4-4. Outside Assembly ....................................................................................................................................................................... 31
4-5. Inside Assembly .......................................................................................................................................................................... 33
4-6. DPR-393 Board .......................................................................................................................................................................... 34
4-7. Front Panel Block ....................................................................................................................................................................... 35
4-8. CMOS Block Assembly (HDC-P50) .......................................................................................................................................... 36
4-9. FD Assembly (HDC-P50) ........................................................................................................................................................... 37
4-10. DR-697 Board (HDC-P50) ....................................................................................................................................................... 38
4-11. SE-1197 Board (HDC-P50) ...................................................................................................................................................... 39
4-12. IF-1331 Board (HDC-P50) ....................................................................................................................................................... 40
4-13. CMOS Block Assembly (HDC-P31) ........................................................................................................................................ 41
4-14. IF-1331 Board (HDC-P31) ....................................................................................................................................................... 44
4-15. DR-699 Board (HDC-P31) ....................................................................................................................................................... 45
4-16. SE-1216 Board (HDC-P31) ...................................................................................................................................................... 47
4-17. LE-426 Board ........................................................................................................................................................................... 49
4-18. Rear Panel Assembly ................................................................................................................................................................ 50
4-19. DC Fan ...................................................................................................................................................................................... 52
4-20. AT-195 Board ............................................................................................................................................................................ 54
4-21. SY-471 Board............................................................................................................................................................................ 55
4-22. VIF-77 Board ............................................................................................................................................................................ 57
4-23. MB-1259 Board ........................................................................................................................................................................ 59
4-24. NET-49 Board ........................................................................................................................................................................... 61