Toshiba RD-XS24SB Service Manual page 33

Troubleshooting
Remocon no work
No
Check the power(pin2) line
KIC03(pin1) signal is OK?
of KIC03 is 5V.
Yes
Check peripheral components between
No
MIC01(61 pin) signal
MIC01(pin 61) and KIC03(pin 1)
is OK? (Jack PCB)
Yes
Change KIC03
5-13