NAD M15 C/AH Service Manual
Also see for M15 C/AH: Owner's manualSpecifications
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Contents
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SECTION 3ELECTRICAL CONTENTSELECTRICAL TROUBLESHOOTING GUIDE……………………………….3-21. Power check flow……………………………………………………………………….3-2,3DETAILS AND WAVERORMS ON SYSTEM TEST AND DEBUGGING….3-41.DSP clock 20MHz;Volume control STB, DATA and CLOCK…………………………3-42.AT89C51 reset is high active;WM8740 DAC STB,DATA and CLOCK……………...3-5BLOCK DIAGRAMS…………………………………………………………….3-61. Digital section…………………………………………………………………………...3-62. Analog input section……………………………………………………………………3-73. Volume and EXT.section/L/R/C/SW…………………………………………………..3-84. Volume and EXT.section/SL/SR/SBL/SBR…………………………………………..3-95. Component video………………………………………………………………………3-106. S video section…………………………………………………………………………3-117. Composite video……………………………………………………………………….3-12WIRING DIAGRAM…………………………………………………………….3-131.Wiring diagram……………………………………………………………….3-13CIRCUIT DIAGRAMS…………………………………………………………3-141. Power supply circuit diagram………………………………………………………..3-142. Front panel circuit diagram…………………………………………………………..3-153. HDMI circuit diagram…………………………………………………………………3-164. CSS circuit diagram…………………………………………………………………..3-175. Audio circuit diagram…………………………………………………………………3-18,19,206. Video circuit diagram…………………………………………………………………3-21,22,23PRINTED CIRCUIT DIAGRAM…………………………………………………….3-241. PSU board…………………………………………………………………………….3-242. FPP board……………………………………………………………………………..3-253. HDMI board……………………………………………………………………………3-264. CSS board……………………………………………………………………………..3-275. Audio board……………………………………………………………………………3-286. Video board……………………………………………………………………………3-293-1 |
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