Philips DVP3000K - Page 19

4-9
Rem ote reception is insensitive or fails.
No
Rem ote reception is
insensitive or fails.
C heck if the rem ote
control works
p
ro
p
erl
y
.
C heck battery
C heck R 315
、
C 315
U se an oscilloscope to check if there is
output waveform from the first pin IR of the
rem ote censor after pressing button on the
rem ote control.
U 201(PIN 3 - RC waveform)
C heck if there is IR
signal on pin 106 of U3
C heck if the pow er suppl
y
voltage to the rem ote censo
r
is normal are normal.
Go
No
No
No
Yes
Yes
Yes
Correct connection
Yes
C hange U3
IR w aveform
Trouble shooting chart
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