8-1-2. Settable Special Function ................................................................................................................................................... 125

8-2. SERVICE Menu ........................................................................................................................................................................ 126

8-2-1. SERVICE Menu List .......................................................................................................................................................... 126

8-2-2. Description of SERVICE Menu ......................................................................................................................................... 127

Section 9 Circuit Description ............................................................................................................................................................ 134

9-1. Optical System (OHB Block) ................................................................................................................................................... 134

9-1-1. BI-358 Board ..................................................................................................................................................................... 134

9-1-2. IF-1331 Board .................................................................................................................................................................... 134

9-1-3. DR-697 Board (HDC-P50) ................................................................................................................................................ 134

9-1-4. DR-699 Board (HDC-P31) ................................................................................................................................................ 134

9-1-5. SE-1197 Board (HDC-P50) ............................................................................................................................................... 134

9-1-6. SE-1216 Board (HDC-P31) ............................................................................................................................................... 134

9-2. Signal Processing/Transmission System ................................................................................................................................... 134

9-2-1. DPR-393 Board .................................................................................................................................................................. 134

9-2-2. VIF-77 Board ..................................................................................................................................................................... 135

9-3. System Control System ............................................................................................................................................................. 135

9-3-1. AT-195 Board ..................................................................................................................................................................... 135

9-3-2. SY-471 Board ..................................................................................................................................................................... 135

9-4. Interface Boards ........................................................................................................................................................................ 136

9-4-1. SW-1753 Board .................................................................................................................................................................. 136

9-4-2. CN-4064 Board .................................................................................................................................................................. 136

9-4-3. CN-4065 Board .................................................................................................................................................................. 136

9-4-4. CN-4066 Board .................................................................................................................................................................. 136

9-4-5. LE-426 Board..................................................................................................................................................................... 136

9-4-6. NET-49 Board .................................................................................................................................................................... 136

9-4-7. MB-1259 Board ................................................................................................................................................................. 136

9-5. Power Supply System ............................................................................................................................................................... 137

9-5-1. MB-1259 Board ................................................................................................................................................................. 137

Section 10 Spare Parts ...................................................................................................................................................................... 138

10-1. Note on Repair Parts ............................................................................................................................................................... 138

10-2. Exploded Views ...................................................................................................................................................................... 139

Overall-1 ....................................................................................................................................................................................... 139

Front Block (HDC-P50) ............................................................................................................................................................... 141

CMOS Block (HDC-P50) ............................................................................................................................................................. 142

Front Block (HDC-P31) ............................................................................................................................................................... 143

CMOS Block (HDC-P31) ............................................................................................................................................................. 144

Overall-2 ....................................................................................................................................................................................... 145

Rear Block .................................................................................................................................................................................... 147

10-3. Supplied Accessories .............................................................................................................................................................. 148

Section 11 Diagrams ......................................................................................................................................................................... 149

Overall ............................................................................................................................................................................................. 149

Frame Wiring ................................................................................................................................................................................... 152

Revision History .................................................................................................................................................................................. 153

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