4-8
Remote reception is insensitive or fails.
No
Remote reception is
insensitive or fails.
Check if the remote
control works properly.
Check battery
Check R66
ǃ
C68
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.
REM1(PIN 3 - RC waveform)
Check if there is IR
signal on pin 106 of
U12
Check
if
the
power
supply voltage to the
remote censor is normal
Go
No
No
No
Yes
Yes
Yes
Correct connection
Yes
Change U1
IR waveform
Trouble shooting chart
Содержание DVP3124
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Страница 33: ...6 13 6 13 Main Board Print Layout Bottom Side for DVP3124 55 6 11 6 11 ...
Страница 36: ...REVISION LIST Version 1 0 Initial release 8 1 ...