Philips DVP3320 Service Manual page 22

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Reconnect the component in
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Check whether all the voltages
from the power board to the
decoder board are normal.
Yes
Check if the reset circuit consisting
of CE3, D6 and R21 is normal (at a
high level for tens of milliseconds,
then constantly at 3.3V).
Yes
Check whether there is
27MHz signal output.
Yes
Check if there is 135MHz
signal output on R31.
SDRAM(R31 PCLK) waveform
Yes
Check if short-circuit and
bad solder exist on Pin 60
Yes
UserManuals.info
5-10
No
Check the loaded circuit
No
Change CE3, D6 and R21.
Crystal oscillator Y2 and
No
peripheral components
are defected or eroded.
No
Check whether
short-circuit or bad
solder on U1,U3
No
Yes
Trouble shooting chart
CVBS(R1 point) waveform
27Mhz waveform
No
Check U2.