Denon S-52 Service Manual page 46

Check Digital Audio Data output from DM850
to CODEC. 1U-3846-1(MAIN UNIT)
[DM850] output and [IC300] input
[SPDIF_ETHER]
O.K.
Check Digital Audio Data output from CODEC to BF.
1U-3846-1(MAIN UNIT)
[IC300]output and [IC101]input:
[A/D_DATA]
O.K.
Check Digital Audio Data output from BF to CODEC.
1U-3846-1(MAIN UNIT)
[IC101]output and [IC300]input:
[D/A_DATA]
O.K.
END
(9) USB-in
Check Power Supply Voltages for USB
1U-3846-1(MAIN UNIT)
VBUS:+5V OK?
O.K.
Check control signal for USB.
1U-3846-1(MAIN UNIT)
[USB_D+],[USB_D-],[USBID],
[USBVBUS],[USBVBUSDRV]
O.K.
Check Digital Audio Data output from DM850
to CODEC. 1U-3846-1(MAIN UNIT)
[DM850] output and [IC300] input
[SPDIF_ETHER]
O.K.
Check Digital Audio Data output from CODEC to BF.
1U-3846-1(MAIN UNIT)
[IC300]output and [IC101]input:
[A/D_DATA]
O.K.
Check Digital Audio Data output from BF to CODEC.
1U-3846-1(MAIN UNIT)
[IC101]output and [IC300]input:
[D/A_DATA]
O.K.
END
N.G Check Soldering.
[IC501]:39pin,R198 on MAIN UNIT.
[IC300]:4pin on MAIN UNIT.
N.G Check Soldering.
[IC300]:12pin on MAIN UNIT.
R311,R144 on MAIN UNIT.
N.G Check Soldering.
[IC300]:32pin on MAIN UNIT.
R129,R134 on MAIN UNIT.
N.G Check Soldering.
IC505 on MAIN UNIT.
N.G Check Soldering.
[IC501]:37,48,49,51,52pin on MAIN UNIT.
N.G Check Soldering.
[IC501]:39pin,R198 on MAIN UNIT.
[IC300]:4pin on MAIN UNIT.
N.G Check Soldering.
[IC300]:12pin on MAIN UNIT.
R311,R144 on MAIN UNIT.
N.G Check Soldering.
[IC300]:32pin on MAIN UNIT.
R129,R134 on MAIN UNIT.
DM850からCODECへのｱﾅﾛｸﾞｵｰﾃﾞｨｵﾃﾞｰﾀ
出力確認。1U-3846-1(MAIN UNIT)
・ [DM850] output and [IC300] input
[SPDIF_ETHER]
O.K.
CODECからBFへのﾃﾞｼﾞﾀﾙｵｰﾃﾞｨｵﾃﾞｰﾀの確認
1U-3846-1(MAIN UNIT)
・ [IC300]output and [IC101]input:
[A/D_DATA]
O.K.
BFからCODECへのﾃﾞｼﾞﾀﾙｵｰﾃﾞｨｵﾃﾞｰﾀの確認
1U-3846-1(MAIN UNIT)
・ [IC101]output and [IC300]input:
[D/A_DATA]
O.K.
終了
(9) USB入力
USB用電源電圧確認
1U-3846-1(MAIN UNIT)
・ VBUS:+5V OK?
O.K.
USB制御信号の確認
1U-3846-1(MAIN UNIT)
・ [USB_D+],[USB_D-],[USBID],
[USBVBUS],[USBVBUSDRV]
O.K.
DM850からCODECへのｱﾅﾛｸﾞｵｰﾃﾞｨｵﾃﾞｰﾀ
出力確認。1U-3846-1(MAIN UNIT)
・ [DM850] output and [IC300] input
[SPDIF_ETHER]
O.K.
CODECからBFへのﾃﾞｼﾞﾀﾙｵｰﾃﾞｨｵﾃﾞｰﾀの確認
1U-3846-1(MAIN UNIT)
・ [IC300]output and [IC101]input:
[A/D_DATA]
O.K.
BFからCODECへのﾃﾞｼﾞﾀﾙｵｰﾃﾞｨｵﾃﾞｰﾀの確認
1U-3846-1(MAIN UNIT)
・ [IC101]output and [IC300]input:
[D/A_DATA]
O.K.
終了
46
S-52/S-52DAB/S-32
N.G 半田付けを確認
・ [IC501]:39pin,R198 on MAIN UNIT.
・ [IC300]:4pin on MAIN UNIT.
N.G 半田付けを確認
・ [IC300]:12pin on MAIN UNIT.
・ R311,R144 on MAIN UNIT.
N.G 半田付けを確認
・ [IC300]:32pin on MAIN UNIT.
・ R129,R134 on MAIN UNIT.
N.G 半田付けを確認
・ IC505 on MAIN UNIT.
N.G 半田付けを確認
・ [IC501]:37,48,49,51,52pin on MAIN UNIT.
N.G 半田付けを確認
・ [IC501]:39pin,R198 on MAIN UNIT.
・ [IC300]:4pin on MAIN UNIT.
N.G 半田付けを確認
・ [IC300]:12pin on MAIN UNIT.
・ R311,R144 on MAIN UNIT.
N.G 半田付けを確認
・ [IC300]:32pin on MAIN UNIT.
・ R129,R134 on MAIN UNIT.