Denon S-52 Service Manual page 47

(10) WiFi-in
Check Power Supply Voltages for WiFi.
and PHY(IC504). 1U-3846-1(MAIN UNIT)
+3.3V_E1
O.K.
Check Reset signal for WiFi.
1U-3846-1(MAIN UNIT)
[WL_RST]:"H"level O.K.?
O.K.
Check control signal for WiFi.
1U-3846-1(MAIN UNIT)
[WL_IREQ],[WLNREG],[NWAIT],[NCS2]
O.K.
Check control signal for WiFi.
1U-3846-1(MAIN UNIT)
[NEW_WL],[NOE_WL]
O.K.
Check data bus and address bus for WiFi.
1U-3846-1(MAIN UNIT)
[D0-D15],[A0-13]
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.
IC511 on MAIN UNIT.
N.G Check Soldering.
[IC501]:10pin,RR103,RR320 on MAIN UNIT.
N.G Check Soldering.
[IC501]:11,19,109,183pin on MAIN UNIT
N.G Check Soldering.
[IC513] on MAIN UNIT.
Check Soldering.
N.G [IC501]:118-140,152-177pin on MAIN UNIT.
[IC502],[IC503] 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.
(10) WiFi入力
WiFi用電源電圧確認
1U-3846-1(MAIN UNIT)
・ +3.3V_E1
・ +1.8V_E1
・ [E_POWER]:"H"level OK?
O.K.
WiFi用RESET信号の確認
1U-3846-1(MAIN UNIT)
・ [WL_RST]:"H"level O.K.?
O.K.
WiFi制御信号の確認
1U-3846-1(MAIN UNIT)
・ [WL_IREQ],[WLNREG],[NWAIT],[NCS2]
O.K.
WiFi制御信号の確認
1U-3846-1(MAIN UNIT)
・ [NEW_WL],[NOE_WL]
O.K.
WiFi用ﾃﾞｰﾀﾊﾞｽとｱﾄﾞﾚｽﾊﾞｽの確認
1U-3846-1(MAIN UNIT)
・ [D0-D15],[A0-13]
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
47
S-52/S-52DAB/S-32
N.G 半田付けを確認
・ IC511,IC512 on MAIN UNIT.
・ [IC701]:67pin on MAIN UNIT.
N.G 半田付けを確認
・ [IC501]:10pin,RR103,RR320 on MAIN UNIT.
N.G 半田付けを確認
・ [IC501]:11,19,109,183pin on MAIN UNIT
N.G 半田付けを確認
・ [IC513] on MAIN UNIT.
半田付けを確認
N.G ・ [IC501]:118-140,152-177pin on MAIN UNIT.
・ [IC502],[IC503] 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.