Philips DVDR3375 Service Manual page 10

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No digital audio output
No digital audio output
Check the FB8 (digital audio)
on the OP board is normal.
Check
(digital audio) on the
AV board is normal.
Check the P14 of U10 on
the AV board is +5v
Check the P1 of U10 (digital
audio) on the AV board is
normal.
Fix the connection JP8 on AV
board and JP2 on Main board
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Go
Yes
Yes
the R130
Yes
Yes
Yes
Yes
Yes
4-2
No
Fix the connection JP8 on AV board
and JP2 on OP board
No
Check / Replace R131、C133.
Check the +5v power
No
supply on the AV board
No
Check P26 of JP2 on Main board
signals is normal
Trouble Shooting Chart