Philips DVDR520H Service Manual page 9

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Tuner :
Select the source into TV mode first
TV signal
on screen ?
Y
Display normally ?
Y
Check if the
Audio output
properly ?
Y
No problem found
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3-4
N
Can scan
All channel?
Y
N
Can Fine tune
Channel?
Y
Check if Audio
N
/Video output
properly when
DVD playback ?
N
Replace Tuner
Board
N Replace Tuner
Board
N
Replace Tuner
Board
AV output
Y
issue