Denon DVD-5900 Service Manual
Also see for DVD-A11: Operating instructionsOperating instructions
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2121DVD-5900/DVD-A11TROUBLE SHOOTING1. GU-3512 MAIN PWB1.1. FL TUBE doesn’t light(1) Check the Set-up process of Panel μ-COMCheck Power Supply Voltages.• [IC402]:D1,D4+3.3V_D1, +3.3V_D4Check Oscillation Waveform.• [IC402]:16MHz at 13pin.Check soldering.• X401 on AUDIO PWB.Check Power Supply Voltages.• [IC402]:“H” level at 39pin? “L” level at 7pin and44pin?Check Reset Signal.• [IC402]:“H” level at 10pin?Check soldering.• IC402 on AUDIO PWB.(1)Check soldering of CX172.(2)GU-3513-2 is N.G.(No Good).Check soldering.• CY081 on AUDIO PWB.Continue to next step.Check the Set-up process of B/E μ-COM.Check Data Bus betweenFLD Driver(GU-3513-2 [IC102])• [RST]: “H” level?Check soldering.• IC401(Reset IC) on AUDIO PWB.O.K.N.G.O.K.O.K.O.K.O.K.N.G.N.G.N.G.N.G.O.K.N.G.O.K.O.K.O.K.O.K.N.G.N.G.N.G.N.G.w w w . x i a o y u 1 6 3 . c o mQ Q 3 7 6 3 1 5 1 5 0 992894298T E L 1 3 9 4 2 2 9 6 5 1 3 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com |
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