LG RAT375 - Page 23

3-8
OK
Check
IC602(PS9850)
data input
Pin4, 5, 6
PWM wave.
NO
Refer to CD troubleshooting.
Check
CD Assy communication
Pin4, 5, 6.
OK
NO
NO
Check each line
resistor output.
Check
IC602(PS9850) data
input.
Check
PWM
modulator output
FL: Pin31(+),30(-)
FR: Pin28(+),27(-)
other output
check.
NO
Replace IC602(PS9850).
Check
IC602(PS9850).
NO
OK
YES
YES
YES
YES
YES
YES