NAD T 187, Service Manual

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3
SERVICE SAFETY PRECAUTIONS
1. Replacing the fuses
CAUTION:
FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY WITH SAME TYPE OF
FUSE.
Reference Designator Database Part Number Description
F8001*AH 1601100002-902000 FUSE 5*20MM TIME-LAG 1.6A 250V “ROHS” “WALTER”
TSD 1.6A 250V
F8001*C 1601100003-902000 FUSE 5*20MM TIME-LAG 1A 250V “ROHS” “WALTER”
TSD1A250V
F8002*AH 1601100003-902000 FUSE 5*20MM TIME-LAG 1A 250V “ROHS” “WALTER”
TSD1A250V
F8002*C 1601100005-902000 FUSE 5*20MM TIME-LAG 500MA 250VAC TSD UL/CSA/
VDE/CCC “ROHS” “WALTER” TSD500MA250V
F8003 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” TSD500MA250V
NOTE:
<*AH > : USA CANADIAN MODEL ONLY.
Parts marked with the symbol are critical with regard to the risk of fire and electric shock.
CONTENTS
DESCRIPTION PAGE
SPECIFICATIONS ..............................................................................................................................4 - 6
REAR PANEL / FRONT PANEL VIEW ...................................................................................................7
DISASSEMBLY INSTRUCTIONS ...........................................................................................................8
WIRING DIAGRAM .............................................................................................................. ..................9
WIRING PARTS LIST ......................................................................................................... ..................10
BLOCK DIAGRAM.................................................................................................................................11
SPECIAL KEYS .....................................................................................................................................12
DETAILS & WAVEFORMS ON SYSTEM TEST & DEBUGGING ..................................................13 - 19
PCB LAYOUT .................................................................................................................................20 - 37
SCHEMATIC DIAGRAM .................................................................................................................38 - 51
ELECTRICAL PARTS LIST ............................................................................................................52 - 63
IC BLOCK DIAGRAM .....................................................................................................................64 - 75
EXPLODED VIEW .........................................................................................................................76 a-76b
EXPLODED VIEW PARTS LIST ....................................................................................................77 - 78
PACKING DIAGRAM .............................................................................................................................79
PACKING PARTS LIST .........................................................................................................................80 .........................................................................................................................
APPENDIX 1 .........................................................................................................................................81
APPENDIX 2 ..................................................................................................................................82 - 84