No Sound, Noise Generated; Sacd; Check Dsd Data Output; Check Audio Select Output - Denon DVD-2900 Service Manual

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1.4. No sound, Noise generated

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(1) CD
Check CD digital Audio data output.
• [CDLRCK], [CDBCLK], [CDDIN], [DOTX]
O.K.
Check digital Audio data output.
• [IC101]: [DATA1], [LRCK], [BCK],
[DOUT0]
O.K.

Check Audio select output.

• [DAD0],[DAWS], [DABCK], [MCLK]
O.K.
Continues to the Check process of GU-3495 AUDIO P.W.B..
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L 13942296513

(2) SACD

Check DSD data output.

• [IC401]: [DSARS], [DSALS], [DSASW],
[DSAC], [DSAR], [DSAL], [BCKAO]
O.K.
Check audio select output.
• [DAD1], [DAD2], [DAD0], [DAWS],
[DABCK], [MCLK]
O.K.
Continues to the Check process of GU-3495 AUDIO P.W.B..
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Check soldering
• [IC502]: 58--62pin check.
• R641--R644
Check soldering
• [IC101]: 159--170pin check.
• R134--R142
Check soldering
• [IC204]--[IC207]
• [CX271]
• [IC106] [IC107]
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Check soldering
• [IC401]: 60--76pin check.
• R450--R456
(1)Check soldering
• [IC204]-- [IC207]
• CX271
(2)Check [IC204,205]
• DSD/PCM pin "H"
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DVD-2900
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