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Denon DVD-A11 - 1.4. No sound, Noise generated; (1) DVD-VIDEO; AUDIO, CD

Denon DVD-A11
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25
25
DVD-5900/DVD-A11
(4) SACD check process
1.4. No sound, Noise generated
(1) DVD-VIDEO / AUDIO, CD
O.K.
N.G.
Check soldering
[IC401]
R414--R426, R450.
Check RF signal for Water Mark.
TP [WM]: about 1V
p-p.
Check soldering
[IC405]: 131--162pin.
[IC402]
END
N.G.
Check Bus Line.
Between IC405 andIC402(16MSDRAM)
“L”-”H” level alternate?
Check communication.
[VSTEM]: communication
“L”--”H” level alternate?
Check soldering
[IC403]: Circumference soldering check
N.G.
O.K.
O.K.
O.K.
Check CD digital Audio data output.
[IC104]:[BSDCLK], [BHAK], [BSDEF],
[BSHD], [BDREQ], [BD0--7]
N.G.
Check soldering
[IC401]: 75--98pin check.
[IC108]: 122--151pin check.
R401--R412, R494
Check digital Audio data output.
[IC108], [801]: [TBCK], [TWS], [TSD0--
2], (PMCK)
Check Audio select output.
:[TBCK],[TWS], [TSD0--2], [PMCK]
Continues to the Check process of GU-3513 AUDIO P.W.B..
O.K.
O.K.
Check soldering
[IC108]: 32--40pin check.
[IC108]: 14pin check.
[IC801]: 29--35pin check.
[IC110]
R129--R134.
R150, R157, R173
(1)Check soldering
[IC801]: 17--23pin check.
[IC124], [IC125]
R806--R811
(2)Check [IC801]
・④
pin ”H”
N.G.
N.G.
O.K.
Check Audio select output.
:[TBCK],[TWS], [TSD0--2], [PMCK]
(1)Check soldering
[IC124], [IC125]
R212--R217
FB151--FB155
R230
(2)Check [IC124], [IC125]
・①
pin ”L”
N.G.
(4) SACDチェック工程
1.4. 音が出ない、ノイズが出る。
(1) DVD-VIDEO/AUDIO,CD
O.K.
N.G.
半田付けを確認
[IC401]
R414 R426,R450.
ウオーターマーク用 RF信号確認
TP[WM] 約1V
p-p.
半田付けを確認
[IC405] 131 162pin.
[IC402]
終了
N.G.
バスラインの確認
IC405←→IC402(16MSDRAM)
L-Hレベル
VSTEM 通信確認
[VSTEM] 通信
L←→Hレベル
周辺の半田付けを確認
[IC403]
N.G.
O.K.
O.K.
O.K.
[IC401] CDデジタル音声データ出力を
確認
[BSDCLK],[BHAK],[BSDEF],[BSHD],
[BDREQ],[BD0
〜7]
N.G.
半田付けを確認
[IC401] 75 98pin
[IC108]122 151pin
R401 R412,R494
[IC108],[IC801] デジタル音声データ出力
を確認
[TBCK],[TWS],[TSD0 2],(PMCK)
オーディオセレクタ出力①の確認
[TBCK],[TWS],[TSD0 2],[PMCK]
2.GU-3513AUDIOP.W.B. のチェック工程へ
O.K.
O.K.
半田付けを確認
[IC108]32 40pin 
[IC106]14pin
[IC801]29 35pin
[IC110]
R129 R134
R150,R157,R173
(1) 半田付けを確認
[IC801]17 23pin
[IC124,125]
R806 811
(2)[IC801]④ pin
Hとなっていることを確認
N.G.
N.G.
オーディオセレクタ出力②の確認
[PBCK],[PLRCK],[PDATA0 2],[PMCK]
O.K.
(1) 半田付けを確認
[IC124],[IC125]
・R212 R217
FB151 FB155
・R230
(2)[IC124],[IC125]① pin
Lになっていること
 を確認
N.G.
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

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