Sony DVP-FX700 Service Manual page 80

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3 7 63 1515 0
C.
E
Normal
Audio output
when disc playback?
Normal
IR. VFD & Front
pannel key
functions?
TEST END
TE
L 13942296513
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Audio
DAC received
correct data stream?
Normal
Audio DAC
out? (IC601)
Check Audio filter, amplify, mute
circuit. (IC602 Application circuit)?
Communications
between IR.VFD Front pannel key
& MT1379 & Front u-com(IC901)
is normally?
Check the cable connection
on Front pannel.
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Check connection between MT1379
& Audio DAC. (Check VRST#, ACLK,
ABCK, ASDAT3)
Check the related circuit of
Audio DAC. (Check Audio
out Pin 14, 15,18,19)
Check communi cation lines
on MT1379.
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