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Philips DVP3110/93 Service Manual page 18

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Remote reception is insensitive or fails.
Use an oscilloscope to check if
there is output waveform from
the first pin IR of the remote
censor after pressing button on
the remote control.
4-8
Remote reception is
insensitive or fails.
Go
Check if the remote
control works properly.
Yes
Check
if
the
power
supply voltage to the
remote censor is normal
Yes
Yes
Check if there is IR
signal on pin 106 of U12
No
Correct connection
No
Check battery
No
Check R66 C68
No
REM1(PIN 3 - RC waveform)
Yes
Change U1
IR waveform
Trouble shooting chart

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