Philips DVP3320/55 service manual Remote reception is insensitive or fails

Models: DVP3320 DVP3320/55

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5-9

Trouble shooting chart

Remote reception is insensitive or fails.

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

Use an oscilloscope to check if there is output waveform from the first pin IR of the

No

Check battery

 

No

Check L2

No

remote censor after pressing button on the remote control.

Yes

Check if there is IR signal on pin 49 of U2

Yes

IR600 (PIN1 - RC waveform)

Change U2

No

Correct connection

IR waveform

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Philips DVP3320/55 service manual Remote reception is insensitive or fails