4-9
Remote reception is insensitive or fails.
No
Remote reception is
insensitive or fails.
Check if the remote
control works properly.
Check battery
Check R315
ǃ
CE301
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.
REM301 (PIN 3 - RC waveform)
Check if there is IR
signal on pin 109 of U4
Check if the power supply
voltage to the remote censor
is normal are normal.
Go
No
No
No
Yes
Yes
Yes
Correct connection
Yes
Change U4
IR waveform
Trouble shooting chart
Содержание DVP6600
Страница 36: ...Switch Board Print_Layout Bottom Side for DVP6600 93 37 DVP6620 55 98 93 6 12 6 12 ...
Страница 37: ...Control Board Print_Layout Bottom Side for DVP6600 93 37 DVP6620 55 98 93 6 13 6 13 ...
Страница 38: ...Power Board Print_Layout Bottom Side for DVP6600 93 37 DVP6620 55 98 93 6 14 6 14 ...
Страница 39: ...Main Board AV Board IR Board Switch Board Print_Layout Top Side for DVP6600 93 37 DVP6620 55 98 93 6 15 6 15 ...