Power Amp Part Check - Pioneer x-rsm410dvh Service Manual

9. POWER AMP PART CHECK

POWER AMP PART CHECK
P7905 pin3:+12V
pin13,14,15:34V
Check each IC700
pin27,26,32,35,40,41 input voltage
Check each input
IC700 pin22,23,44:+12V
Check PWM modulator input
each pin6,8,16,18
POWER output IC700 pin28,31,36,39
Check output
line coil
YES
YES
YES
YES
YES
YES
YES
OK
NO
Refer to SMPS troubleshooting
NO
Check each line resistor output voltage
NO
3-6
Replace the coil