Toshiba SD-170EKB2 Servicehandleiding - Pagina 12
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Remote reception is insensitive or fails.
Remote reception is
insensitive or fails.
Check if the remote
control works properly.
Check if the power supply
voltage to the remote
censor is normal
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.
Check if there is IR signal
on pin 134 of U1
Go
Yes
Yes
Yes
No
Correct connection
1-9
No
Check battery
No
Check R1 C1
No
REM1(PIN1 - RC waveform)
Yes
Change U1
IR waveform
Trouble shooting ch art