Denon DVD-2910 Service Manual

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

Contents

22DVD-2910/955(2) SACDCheck PCM Digital Audio Data (VSTEM data)and VSTEM communication.GU-3612 (MAIN UNIT)• [IC601] output and [IC602] input:[SD0-7], [SDCK], [XSAK], [SDEF], [XSHD2],[XSRQ]N.G.Check Soldering.• [IC601] : 35-37, 44-48, 54, 63, 67-69pin• [IC602] : 164-176pin• R606-R613O.K.Check DSD Data. [1]GU-3612 (MAIN UNIT)• [IC602] output:[DSARS], [DSALS], [DSASW], [DSAC], [DSAR],[DSAL], [DSDMIXL], [DSDMIXR], [BCKAO]N.G. Check Soldering.• [IC602] : 76, 74, 71, 69, 66, 64, 60, 56, 55pin• R671-R679O.K.Check DSD Data. [2]GU-3612 ( MAIN UNIT)(1) Audio selector (SN74LVC157) output/Audio DSP input:• [DSR_IN], [DSL_I], [DSW_IN], [DC_I], [DFR_IN],[DFL_I], [DML_I], [DMR_I], [DBCK](2) [IC304, IC305, IC306] : 1pin (DSD_SEL) "H"?N.G.• Check the circumference soldering of[IC304], [IC305] and [IC306].• Check Soldering.[IC311] : 64, 88, 56, 89, 53, 94R385, R391, R371, R390, R372, R389.O.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 DSD Data. [3]GU-3612 (MAIN UNIT)Audio DSP (ADSP-21266) output:• [DFL_O], [DSL_O], [DC_O], [DFR_OUT]N.G. (1) Check Soldering.[IC311] : 80-82, 86, 57, R394-R396, R370O.K.Check DSD Data. [4]GU-3612 (MAIN UNIT)• [CX271] :[DSL_O], [DSR_OUT], [FRONT_O], [DFR_OUT],[DC_O], [DSW_OUT], [DML_I], [DMR_O] ,[DBCK]• Check Soldering.[CX271] : 7-12, 14, 16, 18, 19R493-R502O.K.Continue to the check process ofGU-3616-1 AUDIO UNIT.