Denon S-302 Service Manual page 30
Dvd home entertainment system
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Also See for S-302:
- Owner's manual (63 pages) ,
- Quick setup manual (5 pages) ,
- Code list (3 pages)
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1.3. No Sound,Noise generated
(1) CD,DVD PLAY
Check Power Supply Voltages.
1U-3808(MAIN UNIT)
N.G
+12V_A1,-12V_A1
+7V,-7V of [IC601]
+1.2V_DSP of [IC401]
O.K.
Check Reset signal of [IC401],
[IC501],[IC502].
1U-3808(MAIN UNIT)
N.G
[IC401]:[DSP_RST]202pin
[IC501]:[CODEC_RST]10 pin.
[IC502]:[DIR_RST]41 pin.
"H"level O.K.?
O.K.
Check Digital Audio Data output
from B/E to DIR
N.G
1U-3808(MAIN UNIT)
[IC101]output and [IC502]input:
[BE_SPDIF]
O.K.
Check Digital Audio Data output
from DIR to PLD
N.G
1U-3808(MAIN UNIT)
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[IC502]output and [IC503]input:
[DIR_S_64FS],[DIR_S_FS],
[DIR_DA]
O.K.
Check Digital Audio Data output
from PLD to DSP
N.G
1U-3808(MAIN UNIT)
[IC503]output and [IC401]input:
[DSPI_64FS],[DSPI_FS],
[DSPI_FDA]
O.K.
Check Digital Audio Data output
from DSP to PLD/CODEC
N.G
1U-3808(MAIN UNIT)
[IC401]output and [IC503]input:
[DSPO_64FS],[DSPO_FS]
[IC401]output and [IC501]input:
[DSPO_FDA],[DSPO_CWDA]
O.K.
Check Digital Audio Data output
from PLD to CODEC
N.G
1U-3808(MAIN UNIT)
[IC503]output and [IC501]input:
w w w
[DSC_64FS],[DAC_FS],
O.K.
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Check Soldering.
CX801
IC602,IC603
IC404
Check Soldering.
[IC301]:115,82,109 pin
IC401,RR210
IC501,R603
IC502,R661
Check Soldering.
[IC101]:41pin
R119
[IC502]:2pin
R685
Check Soldering.
[IC502]:22,23,21pin
R670-672
[IC503]:71,72,70pin
R737-739
Check Soldering.
[IC503]:60,59,55pin
R719,722,723
[IC401]:146,144,125pin
RR165,167
Check Soldering.
[IC401]:137,143,133,135pin
RR169,168,173,171
[IC503]:64,61pin
R725,724
[IC501]:16,15pin
R656,655
Check Soldering.
[IC503]:79,80pin
R728,727
[IC501]:17,18pin
R657,658
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