Denon DVD-2910 Service Manual

Also see for DVD-2910: Operating instructions Specifications Supplementary guide Operating instructions Operating instructions

Contents

21DVD-2910/9551.4. No Sound,Noise generated(1) CD, DVD-VIDEO/AUDIOCheck PCM Digital Audio Data (VSTEMdata) and VSTEM communication.GU-3612 (MAIN UNIT)• [IC601] output / [IC101] (ES6138) input :[BD0-7], [BSDCLK], [SHAK], [BDEF], [BSHD],[BSREQ]N.G. Check Soldering.• [IC601] : 75-98pin• [IC101] : 122-128, 131, 132, 142, 144, 149,150pinO.K.Check PCM Digital Audio Data output. [1]GU-3612 (MAIN UNIT)• [IC101] output :[TSD0], [TSD1], [TSD2], [TSD3], [TBCK],[TWS], [PMCK]N.G.Check Soldering.• [IC101] : 33, 36, 37, 40, 32pin• R124-R129• [IC114] (SN74LV74), [IC115] (CY2302)• R139, R140O.K.Check PCM Digital Audio Data output. [2]GU-3612 (MAIN UNIT)(1) Audio selector (SN74LVC157) output/Audio DSP input:• [PFLR], [PSLR], [PCSW], [PMLR], [PBCK],[64fs1], [fs1], [PMK](2) [IC304, IC305, IC306] : 1pin(DSD_SEL) "L"?N.G.• Check the circumference soldering of [IC304],[IC305] and [IC306].• Check Soldering.[IC311]:94, 88, 89, 87, 79, 78, 77, 71,R389-R391, R397-R399, R388O.K.Check Audio DSP [IC311] (ADSP-21266)GU-3612 (MAIN UNIT)(1) Power Supply Voltages.+3.3V_DSP, DSP1.8V(2) Clock waveform.142pin : 18.75MHz O.K.?(3) Reset signal.[DSPRST] (121pin) : "H"?(4) Control signal[DSPSPICS] (122pin), [DSPSPICLK](125pin), [DSPMISO] (126pin), [DSPMOSI](127pin) [FLAG0] (15pin)N.G.(1) Check the circumference soldering of[TR301], [TR302] and [IC312].(2) Check the circumference soldering of[X301].(3) Check Soldering.[IC318] : 55pin, R411(4) Check Soldering.[IC318] : 1, 100, 98, 99, 58pin, R460O.K.Check PCM Digital Audio Data output. [3]GU-3612 (MAIN UNIT)(1) Audio DSP (ADSP-21266) output:• [PFLR], [PSLR], [PCSW],[TSD3_DSP_OUT], [DFR_OUT](2) Audio Selector input/output:• input : [TSD3_DSP_OUT], [PFLR],[DFR_OUT]• output : [PMLR], [FRONT_O], [DFR_OUT].(3) [IC313] : 1pin "L"?N.G.(1) Check Soldering.[IC311] : 80-82, 86, 57, R394-R396, R370(2) Check the circumference soldering of[IC306], and [IC313]O.K.Check PCM Digital Audio Data output. [4]GU-3612 (MAIN UNIT)• [CX271] :[FRONT_O], [PSLR], [PCSW], [PMLR],[PBCK], [PLRCK], [PMK]• Check Soldering.[CX271] : 7-12, 14, 16, 18, 19R493-R502O.K.Continue to the check process ofGU-3616-1 AUDIO UNIT.www. xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com