Denon DVD-2910 Service Manual
Also see for DVD-2910: Operating instructionsSpecificationsSupplementary guideOperating instructionsOperating instructions
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16DVD-2910/955TROUBLE SHOOTING1. GU-3612 MAIN UNIT1.1. FL TUBE doesn’t light(1) Check the Set-up process of Syatem μ-COMCheck Power Supply Voltages.GU-3612 (MAIN UNIT)• [IC318] : 80, 14+3.3V_D1, +3.3V_NSWN.G. Check Soldering.• CX141 on MAIN UNIT.O.K.Check Oscillation waveform.GU-3612 (MAIN UNIT)• [IC318] :16MHz at 13pin.N.G. Check Soldering.• X302 on MAIN UNIT.O.K.Check Power Supply Voltages.GU-3612 (MAIN UNIT)• [IC318] :"H" level at 39pin? "L" level at 7pin and44pin?N.G. Check Soldering.• IC318 on MAIN UNIT.O.K.Check Reset SignalGU-3612(MAIN UNIT)• [IC318] :"H" level at 10pin?N.G. Check Soldering.• IC319 (Reset IC) on MAIN UNIT.O.K.Check Data Bus between.GU-3616-3 (DISPLAY UNIT)FLD Driver (GU-3614-3 , IC101)• [VFD_RST] : "H" level?N.G. (1) Check soldering of CY171 on MAIN UNIT.(2) GU-3616-3 is N.G. (No Good).O.K.Continue to next step.Check the Set-up process of B/E μ-COM.www. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com |
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