Denon AVR-3805 Service Manual
Also see for AVC-3890: Control protocolService manual
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3030AVR-3805 / AVC-3890SN65LVDS32PW (AD: IC801)SN74LVC139APWR (DS: IC301)TC9459F (AD: IC381)24112L-LD28 L-ch7 to 91decoderR-ch latch circuitR-ch7 to 91decoder9 1619324567101112242223212018171514131NCL-OUTL-INL-LD1L-A-GNDNCNCGNDCKVSS VDDNCR-OUTR-LD1R-LD2R-A-GNDNCCS2NCSTBDATAR-IN50kW/91STEPVRSame as L-chL-ch latch circuitShift register (24Bit)Level shift circuitCS1123456781615141312111091B1A1YG2Y2A2BGNDV CC4B4A4YG3Y3A3BGG1A1B2A2B3A3B4A4B412216710914153511131Y2Y3Y4Y123456781615141312111091G1A1B1Y01Y11Y21Y3GNDV CC2G2A2B2Y02Y12Y22Y3FUNCTION TABLE(each decoder/demultiplexer)INPUTS OUTPUTSG SELECT OUTPUTSG B A Y3 Y2 Y1 Y0L L L H H H LL L H H H L HL H L H L H HL H H L H H HH X X H H H HTC74VHCU04FT(AD: IC803, 804)12345671413121110981A1Y2A2Y3A3YGNDVcc6A6Y5A5Y4A4Ywww. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com |
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