Denon AVR-2105 Service Manual
Also see for AVC-1890: Service manual
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21AVR-2105/885 / AVC-1890MM74HC4053MX (IC1001, 1004, 1008)12VEE345678 910111615141312Y1Y0Z1ZZ0EnableGNDVccYX1XX0CABX = Don’t CareX = Don’t CareTruth TableControl InputsSelectEnable C B A ONSwitchesL L L L Z0 Y0 X0L L L H Z0 Y0 X1L L H L Z0 Y1 X0L L H H Z0 Y1 X1L H L L Z1 Y0 X0L H L H Z1 Y0 X1L H H L Z1 Y1 X0L H H H Z1 Y1 X1H X X X NoneTruth TableBU4052BCF(IC601D,602D)Y0Y2COMMON YY3Y1INHVEEVssVDDX2X1COMMON XX0X3AB12345678161514131211109BX2X1XOUT/INX0X3AY2YOUT/INY3Y1INHVEEY0INH B ON SwitchesAX 0 Y0X1 Y1X2 Y2X3 Y3LLLHHLHHX NONEXLLLLHBA7626 (IC1000, 1002, 1150-1153)78161514131211109Monitor OUTGNDIN5GNDIN4CTL EIN3CTL DIN1CTL AV OUT1VccIN2CTL BV OUT2CTL C6dB6dBLOGICLOGICNote 1: * mark means thatfeasible for either H or L.Note 2: Each input terminal isprovided with sink chipclamp (BA7625).Each input terminal takes20kohm at the end (BA7626).C D E V OUT 2L L * IN 1H L * L H * IN 3H H L IN 4H H H IN 5C D E V OUT 1L L * H L * IN 2L H * IN 3H H L IN 4H H H IN 5A B E MONITOR OUTL L * IN 1H L * IN 2L H * IN 3H H L IN 4H H H IN 5www. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com |
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