Denon D RCD-M37, Service Manual

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RCD-M37 / RCD-M37DAB / D-E500 / D-M37
(4) DAB TUNER-in
Check Power Supply Voltages for DAB TUNER UNIT. Check Soldering.
INPUT B'D N.G
䊶
CN72 1pin SW+5V on INPUT B'D
䊶
SW+5V
䊶
POWER B'D
䊶
DAB+3.3V (CN11 2pin)
䊶
IC18,19 on INPUT B'D
䊶
DAB+1.5V(CN11 1pin)
㪚㪿㪼㪺㫂㩷㪧㪸㫉㫋
䊶
IC18,19 on INPUT B'D
O.K.
Check controll signal for DAB TUNER. Check Soldering.
INPUT B'D N.G 䊶 WF11 2,3pin on INPUT B'D
䊶 CN11 13,14pin 䊶 WN11 on MCU_CD_USB B'D
DAB_CLK_DIG 䊶 IC32,IC24 on MCU_CD_UDB B'D
DAB_IO
O.K.
Check Analogl Audio Data output from DAB TUNER
INPUT B'D
N.G Check Soldering.
䊶 [DAB TUNER] output 䊶 CN11 on INPUT B'D
CN11 29,30pin DAB_L,DAB_R
O.K.
Check Analog Audio Data intput for FUNCTION IC
INPUT B'D
N.G Check Soldering.
䊶 [I11]:27,28pin DAB_L,BAD_R 䊶 [IC11] on INPUT B'D
䊶 C124,125
O.K.
Check Analog Audio Data output from FUNCTION IC
INPUT B'D
N.G Check Soldering.
䊶 [I11]:49.50pin LOUT,ROUT 䊶 [IC11] on INPUT B'D
O.K.
to CD PLAY * Mark
(4) DAB TUNER入力
DAB TUNERﾕﾆｯﾄ用電源電圧確認 半田付けを確認
INPUT B'D N.G ・ CN72 1pin SW+5V on INPUT B'D
・ SW+5V ・ POWER B'D
・ DAB+3.3V (CN11 2pin) ・ IC18,19 on INPUT B'D
・ DAB+1.5V(CN11 1pin) 部品確認
・ IC18,19 on INPUT B'D
O.K.
DAB TUNER制御信号の確認 半田付けを確認
INPUT B'D N.G ・ WF11 on INPUT B'D
・ CN11 13,14pin ・ WN11 on MCU̲CD̲USB B'D
DAB̲CLK̲DIG ・ IC32,IC24 on MCU̲CD̲UDB B'D
DAB̲IO
O.K.
DAB TUNERから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
・ [DAB TUNER] output ・ CN11 on INPUT B'D
CN11 29,30pin DAB̲L,DAB̲R
O.K.
ﾌｧﾝｸｼｮﾝICからのｵｰﾃﾞｨｵﾃﾞｰﾀの確認
INPUT B'D
N.G 半田付けを確認
・ [I11]:27,28pin DAB̲L,BAD̲R ・ [IC11] on INPUT B'D
・ C124,125
O.K.
ﾌｧﾝｸｼｮﾝICからのｵｰﾃﾞｨｵﾃﾞｰﾀの確認
INPUT B'D
N.G 半田付けを確認
・ [I11]:49.50pin LOUT,ROUT ・ [IC11] on INPUT B'D
O.K.
CD再生の*マークへ