NAD M15 C/AH Service Manual

Also see for M15 C/AH: Owner's manual Specifications

NAD M15 C/AH Service Manual Manual pdf 26 page image

C3151u/50/5mmR3241MFR316182KFMR+1Vcc2gnd3PFI4 PFO 5nc 6RST 7RST 8U304MAX707CSAP1.56p1.67P1.78RST9RxD10TxD11P3.212P3.313P3.414P3.515P3.616P3.717XTAL218XTAL119GND20P2.021P2.122P2.223P2.324P2.425P2.5 26P2.6 27P2.7 28PSEN 29ALE 30EA 31P0.7 32P0.6 33P0.5 34P0.4 35P0.3 36P0.2 37P0.1 38P0.0 39Vcc 40P1.0 1P1.1 2P1.2 3P1.3 4P1.4 5U301AT89C51ED2-3CSCrst/rstpfipfifppmupfailfppstfppdofppdifppclkdgnddgnddgnddgnddgnddgnddgnddgndmpfimfppibfppdobfppstbfppclkbfppdismute1/g11a122y431a242y351a362y271a482y19gnd10 2a1 111y4 122a2 131y3 142a3 151y2 162a4 171y1 182/g 19vcc 20U30674HCT244R30647RJR307A 47RJR307B 47RJR307C 47RJR307D 47RJbblkstk0k1k2pclkpdatvfdrwvfdrsvfde5vsVolAmpublkstRemRxVolBpstb0pstb1Vfd0Vfd1Vfd2Vfd3Vfd4Vfd5Vfd6Vfd75vsq11q22q33q44q55q66q77gnd8 q'h 9/sclr 10sck 11rck 12/g 13ser 14q0 15vcc 16U30374HC5955vsdgndpfailfppifppdifppmublkstfppstfppclkfppdoK304KeyK305KeyK306KeyK314KeyK315KeyK322KeyK323KeyK324KeyK325Key5vsdgndpstb0pdatdgndpclk5vSk0k1 k2Vfd0Vfd1Vfd2Vfd3Vfd4Vfd5Vfd6Vfd7VfdeVfdrwVfdrsq11q22q33q44q55q66q77gnd8 q'h 9/sclr 10sck 11rck 12/g 13ser 14q0 15vcc 16U30274HC595C301 100nZdgnd5vs C302 100nZdgndpdatpstb1pclk/pontrig1trig2VfdrstfppiABCV701encodeR71110KJR71210KJR7131K2JR7141K2JC70910nKC71010nKBdgndb5vsbVolAbVolBX30118.432MC31622pJC31722pJdgnddgndpowerongirtnigirttrig1 outtrig3 out/ponvfdrstdgnddgndfrom psu16vu1.25v at power fail-->16vudgnd5vsvolume controlTP1T.P.(NI)dgnd5vsIR receiverR32110RJC320470nZdgnd5vsdgnd5vsC308100nZdgndIR input/outputRemRxto AUD boardC31110u/50/5mm5vsdgndC306100nZdgndC307100nZdgnd12vtQ303DTC1141 2D301Blue/AmberdgndR317270RJR318470RJ5vsLED asAmber=standby,Blue=ondgnddgnd123456CON7026pin to CON602ir1 outir2 outir inpclkpdatvfdrwvfdrsvfdek00 search downk01 preset downk02 displayk03 FM mutek04 audiok05 ext 7.1k06 tape monk10 search upk11 preset upk12 memoryk13 AM/FMk14 videok15 surround modek25 levelsk20 spkr A(power)k21 spkr Bk22 tone controlsk23 tone defeatk24 digital audiok25 levelsQ311DTA1145vsa11b12y13a24b25y26gnd7 y3 8a3 9b3 10y4 11b4 12a4 13vcc 14U30574HC132gnd1Vcc2rst3RS4R/W5E6d07d18d29d310d411d512d613d714M30120T202DA1(J)poweronD 1G 2V 3U307HS0038B4dgnd5vs123456789 R3268X10k**5vSk0k1k2R328100RJR329100RJC31822nKC31422nKdgnddgndPADS JP1.1 and JP1.2 of M301 are linked . Pin3=/Resetchassis1chassis2C752100nZC751100nZ1234567891011121314CON31114pin5vsrstR37147KJD3715V6dgnd5vsponpon12345678910111213141516s2s11718192021222324CON30124pin12345678910111213141516s2s11718192021222324CON30424pindgnddgndrstdgnddgndsmutedgnddgnddgnddgnddgnddgndK320Keytrig2 outtgndmresetmresetmpfimfppibfppdibumtedgnddgnddgnddgnd12vttgndbfppdobfppstbfppclkbblkstPCB31HS4-M15_B008V3_0_0-FPP.schSub board(Encoder Board)irdgnd5vsdgndVfd0Vfd1Vfd2Vfd3Vfd4Vfd5Vfd6Vfd7VfdeVfdrwVfdrsvfdrst5vsdgnd12345678CON3218pin from CON722b16vub5vsb12vtbpoweronbdgndbtgnd12345678CON7228pin to CON321b16vub5vsb12vtbpoweronbdgndbtgndbVolAbVolBVolAVolB1 12 2U311IR SHELLdgndR325100KJ5vsC33322nKdgndchassis3C33422nKdgndchassis4C33522nKdgndchassis5C33622nKdgndchassis6C33722nKdgndchassis7C33822nKdgndchassis8C33922nKdgndchassis9C74122nKbdgndC74222nKbdgndchassis12PCB71HS4-M15_B008V3_0_0-ENCQ312DTA114fpprxdfpptxdsh/ld1clk2d43d54d65d76q7gnd8 q 9ser 10d0 11d1 12d2 13d3 14clkinh 15vcc 16U31274HC165dgnd5vsdgndpstb0pclkdgndblkstdgnddgnddgnddgnddgnddgndtrigmpublkstC340100nZdgnd5vsfpp232/sc232fpprxdfpptxd5vsfpp232/sc232dgnddgnddgnd/fpppsen/fpppsenR37247RJneed TEST Q312 voltage2.FRONT PANEL CIRCUIT DIAGRAM3-15