Denon RCD-M38 Service Manual

Also see for D-M38S: Owner's manual

Contents

40ENDCheck Analog Audio Data input for FUNCTION IC.INPUT B'D• [IC11] input 23,24pinF_CD_USB_L,FCD_USB_RzCheck control signal for FUNCTION IC.INPUT B'D• [IC11] : 29,30,31pinD_DATA,C_CLK,V_CECheck Analog Audio Data output from FUNCTION & PRE AMP.• [IC11] : 49, 50pin Lout,Rout• [IC12] : 1,7 pinCheck audio function mute signal.INPUT B'D• [Q112(B)] : "L" level O.K.?Check Analog Audio Data input for POWER AMP.AMP B'D• [IC71] : 1,18pinCheck SPEAKER RELAY control signal.SPEAKER B'D• [D706] : ANODE -12V O.K.?Check Analog Audio Data output for POWER AMP to SPEAKER.AMP B'D• [IC71] : 10,13pinSPEAKER B'D• [JK71]Check Analog Audio Data output from DAC.INPUT B'D• [IC15] : 9,10,11,12pin on INPUT B'D• [IC17] output 1,7pinCheck Soldering.• [IC15] : 9,10,11,12pin on INPUT B'D• [IC17] on INPUT B'D.Check Soldering.• [IC11] on INPUT B'DCheck Soldering.• [IC11] on MCU_CD B'D• [WF11] : 6,7,8pin on INPUT B'DV_DATA,V_CLK_VCE• [WN11] on MCU_CD B'DCheck Soldering.• [IC11] on INPUT B'D• [IC12] on INPUT B'DCheck Soldering.• [Q106],[112] on INPUT B'D• [WF11] : 10pin F_MU on INPUT B'D• [IC11],[Q103] on MCU_CD B'D• [WN11] on MCU_CD B'DCheck Soldering.• [CN72] : 6,8pin on INPUT B'DVOL_L,VOL_R• BN72 on AMP B'DCheck Soldering.• [BN97] : 10pin on SPEAKER B'D• [CN97] on AMP B'D• [Q709],[Q710] OK? on AMP B'D• [BN71] : 3pin SP_ON on AMPB'D• [CN71],[IC11] on MCU_CD B'DCheck Soldering.• [IC71] : 10,13pin• [CN97] : 1,2,3,4pin on AMP B'DLch,RCH• [BN97] on SPEAKER B'DNGNGNGNGNGNGNGNGOKOKOKOKOKOKOKCheck Digital Audio Data and Clock for DAC.INPUT B'D• [IC15] : 2,3,4pinBIK,STI,LRKCheck Soldering.• [IC16] on MCU_CD B'D• [WN12] : 2,3,4pin on MCU_CD B'DBICK,SDTI,LRCK• [WF12] on INPUT B'DNGOK