Denon RCD-M37DAB - Page 25

25
RCD-M37 / RCD-M37DAB / D-E500 / D-M37
Check Digital Audio Data and Clock for DAC Check Soldering.
INPUT B'D N.G 䊶 IC24 on MCU_CD_USB B'D
[IC15]:2,3,4pin 䊶 WN12 2,3,4pin on MCU_CD_USB B'D
BIK,STI,LRK BICK,SDTI,LRCK
䊶 WF12 on INPUT B'D
O
.
K
.
Check Analog Audio Data output from DAC
INPUT B'D N.G Check Soldering.
䊶 [IC15] output 9,10,11,12pin R-,R+,L-,L+ 䊶 [IC15]:9,10,11,12pin on INPUT B'D
䊶 [IC17] output 1,7pin 䊶 [IC17] on INPUT B'D.
O
.
K
.
Check Analog Audio Data input for FUNCTION IC
INPUT B'D N.G Check Soldering.
䊶 [IC11] input 23,24pin 䊶 [IC11] on INPUT B'D
㩷 F_CD_USB_L,FCD_USB_
R
O.K.
㪁 Check control signal for FUNCTION IC Check Soldering.
INPUT B'D N.G 䊶 IC24 on MCU_CD_USB B'D
䊶 [IC11]:29,30,31pin 䊶 WF11 6,7,8pin on INPUT B'D
D_DATA,C_CLK,V_CE V_DATA,V_CLK_VCE
䊶 WF11 on MCU_CD_USB B'D
O.K.
Check Analog Audio Data output from FUNCTION & Check Soldering.
PRE AMP N.G 䊶 IC11 on INPUT B'D
䊶 [IC11]:49, 50pin Lout,Rout 䊶 IC12 on INPUT B'D
䊶 [IC12]:1,7 pin
O.K.
Check audio function mute signal. Check Soldering.
INPUT B'D N.G 䊶 Q106,112, on INPUT B'D
䊶 [Q103,104]:"L"level O.K.? 䊶 WF11 10pin F_MU on INPUT B'D
䊶 IC24,Q214 on MCU_CD_USB B'D
䊶 WN11 on MCU_CD_USB B'D
O.K.
Check Analog Audio Data input for POWER AMP Check Soldering.
AMP B'D N.G 䊶 CN72 6,8pin on INPUT B'D
䊶 [IC71]:1,18pin VOL_L,VOL_R
䊶 BN72 on AMP B'D
O.K.
Check SPEAKER RELAY control signal Check Soldering.
SPEAKER B'D N.G 䊶 BN97 10pin on SPEAKER B'D
䊶 D708 ANODE "L"level O.K.? 䊶 CN97 on AMP B'D
䊶 Q709, Q710 OK? on AMP B'D
㩷䊶BN71 3pin SP_ON on AMPB'D
㩷䊶CN7, IC24 on MCU_CD_USB B'D
O.K.
Check Analog Audio Data output for POWER AMP Check Soldering.
to SPEAKER. N.G 䊶 [IC71]:10,13pin
AMP B'D 䊶 CN97 1,4pin on AMP B'D
䊶 [IC71]:10,13pin Lch,RCH
㪪㪧㪜㪘㪢㪜㪩㩷㪙㩾㪛 䊶 BN97 on SPEAKER B'D
䊶 JK71
O.K.
END
DAC用ﾃ
ﾞ
ｼ
ﾞ
ﾀﾙｵｰﾃ
ﾞ
ｨｵﾃ
ﾞ
ｰﾀ
と
ｸﾛｯｸの
確
認
半
田
付
け
を
確
認
INPUTB'D N.G ・ IC24onMCUCDUSBB'D
[IC15]:2,3,4pin ・ WN122,3,4pinonMCUCDUSBB'D
BIK,STI,LRK BICK,SDTI,LRCK
・ WF12onINPUTB'D
O
.
K
.
DACか
ら
AMPへのｱﾅﾛｸ
ﾞ
ｵｰﾃ
ﾞ
ｨｵﾃ
ﾞ
ｰﾀ
出力確
認
INPUTB'D N.G
半
田
付
け
を
確
認
・ [IC15]:9,10,11,12pinonINPUTB'D ・ [I15]:9,10,11,12pinonINPUTB'D
・ [IC17]output1,7pin ・ [IC17]onINPUTB'D.
O
.
K
.
ﾌｧﾝｸｼｮﾝICへのｱﾅﾛｸ
ﾞ
ﾃ
ﾞ
ｰﾀ入
力
の
確
認
INPUTB'D N.G
半
田
付
け
を
確
認
・ [IC11]input23,24pin ・ [IC11]onINPUTB'D
FCDUSBL,FCDUSB
R
O
.
K
.
＊ ﾌｧｸｼｮﾝICの
制御信
号の
確
認
半
田
付
け
を
確
認
INPUTB'D N.G ・ IC24onMCUCDUSBB'D
・ [IC11]:29,30,31pin ・ WF116,7,8pinonINPUTB'D
DDATA,CCLK,VCE VDATA,VCLKVCE
・ WF11onMCUCDUSBB'D
O.K.
ﾌｧｸｼｮﾝICとPREAMPのｱﾅﾛｸﾞｵｰﾃﾞｨｵﾃﾞｰﾀ出力確認 半田付けを確認
・ [IC11]:49,50pinLout,Rout N.G ・ IC11onINPUTB'D
・ [IC12]:1,7pin ・ IC12onINPUTB'D
O.K.
ｵｰﾃ
ﾞ
ｨｵﾐｭｰﾄ
信
号の
確
認
半
田
付
け
を
確
認
INPUTB'D N.G ・ Q106,112,onINPUTB'D
・ [Q103,104]:"L"levelO.K.? ・ WF1110pinFMUonINPUTB'D
・ IC24,Q214onMCUCDUSBB'D
・ WN11onMCUCDUSBB'D
O.K.
POWERAMPへのｱﾅﾛｸ
ﾞ
ｵｰﾃ
ﾞ
ｨｵﾃ
ﾞ
ｰﾀ入
力確
認
半
田
付
け
を
確
認
AMPB'D N.G ・ CN726,8pinonINPUTB'D
・ [IC71]:1,18pin VOLL,VOLR
・ BN72onAMPB'D
O.K.
ｽﾋ
ﾟ
ｰｶｰﾘﾚｲ
制御信
号の
確
認
半
田
付
け
を
確
認
SPEAKERB'D N.G ・ BN9710pinonSPEAKERB'D
・ D708ANODE"L"levelO.K.? ・ CN97onAMPB'D
・ Q709,Q710OK?onAMPB'D
・ BN713pinSPONonAMPB'D
・ CN7,IC24onMCUCDUSBB'D
O.K.
POWERAMPか
ら
SPEAKERへのｱﾅﾛｸ
ﾞ
ｵｰﾃ
ﾞ
ｨｵﾃ
ﾞ
ｰﾀ
半
田
付
け
を
確
認
出力確
認。 N.G ・ [IC71]:10,13pin
AMPB'D ・ CN971,4pinonAMPB'D
・ [IC71]:10,13pin Lch,RCH
SPEAKERB'D ・ BN97onSPEAKERB'D
・ JK71
O
.
K
.
終
了