LG FB162I Service Manual page 34

7. POWER AMP PART CHECK
P7905 3PIN +
13, 14, 15 PIN 29V
YES
Check input power IC700
34, 29, 26, 21 PIN.
YES
Check input power of IC700,
1, 36, 17, 18, 19 PIN +12V
YES
Check PWM MODULATOR
input 4, 6, 14, 16 PIN
YES
Check POWER IC 700 34,
29, 27, 20 PIN output.
YES
Check output LINE COIL
YES
OK
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
NO
Refer to SMPS
Troubleshooting
NO
Check resistance power
IC700:R702,701,726,727,724
NO
Replace the related parts
4-7 LGE Internal Use Only