NAD T 187 Service Manual

Also see for T 187: Owner's manual Owner's manual

NAD T 187 Service Manual Manual pdf 3 page image

3SERVICE SAFETY PRECAUTIONS1. Replacing the fusesCAUTION:FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OFFUSE.Reference Designator Database Part Number DescriptionF8001*AH 1601100002-902000 FUSE 5*20MM TIME-LAG 1.6A 250V “ROHS” “WALTER”TSD 1.6A 250VF8001*C 1601100003-902000 FUSE 5*20MM TIME-LAG 1A 250V “ROHS” “WALTER”TSD1A250VF8002*AH 1601100003-902000 FUSE 5*20MM TIME-LAG 1A 250V “ROHS” “WALTER”TSD1A250VF8002*C 1601100005-902000 FUSE 5*20MM TIME-LAG 500MA 250VAC TSD UL/CSA/VDE/CCC “ROHS” “WALTER” TSD500MA250VF8003 1601100006-902000 FUSE TIME-LAG 800MA 250VAC 5X20MM TSD UL/CSA/VDE/CCC WALTER (ROHS)F8401 1601100005-902000 FUSE 5*20MM TIME-LAG 500MA 250VAC TSD UL/CSA/VDE/CCC “ROHS” “WALTER” TSD500MA250VNOTE:<*AH > : USA CANADIAN MODEL ONLY.Parts marked with the symbol are critical with regard to the risk of fire and electric shock.CONTENTSDESCRIPTION PAGESPECIFICATIONS..............................................................................................................................4 - 6REAR PANEL / FRONT PANEL VIEW ...................................................................................................7DISASSEMBLY INSTRUCTIONS ...........................................................................................................8WIRING DIAGRAM .............................................................................................................. ..................9WIRING PARTS LIST......................................................................................................... ..................10BLOCK DIAGRAM.................................................................................................................................11SPECIAL KEYS .....................................................................................................................................12DETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGING ..................................................13 - 19PCB LAYOUT .................................................................................................................................20 - 37SCHEMATIC DIAGRAM.................................................................................................................38 - 51ELECTRICAL PARTS LIST ............................................................................................................52 - 63IC BLOCK DIAGRAM .....................................................................................................................64 - 75EXPLODED VIEW .........................................................................................................................76a-76bEXPLODED VIEW PARTS LIST ....................................................................................................77 - 78PACKING DIAGRAM .............................................................................................................................79PACKING PARTS LIST .........................................................................................................................80.........................................................................................................................APPENDIX 1 .........................................................................................................................................81APPENDIX 2 ..................................................................................................................................82 - 84