Samsung RCD-1230 Service Manual page 14

7) RADIO INSENSIBLE
Radio not Heard
Completely
AP
Check Connection
of Tuner Bt fine.
Check Voltage at
pin 6 of IC 101
Replace IC 101
Check Voltage at pins of
1C101
Check Output of pin 13,14 of IC 101
Check Connection
of Signal Line
Check Noise Check Noise
Check Voltage
at IC 1 pin 16.
Check Voltage
at IC pin 16.
Connect Wire to TP 1
Check IF and
Tracking Adjustment
Check Connection of
Rod Antenna
Fan
Check IF and Tracking
Adjustment