LG LM-U360 Service Manual page 13

I POWER AMP PART CHECK
P7905 3 PIN+12 13.14.15
PIN [ LM-U1560 : 32V/LM-U1060 : 32V/LM-U560 : 22V/LM-U360 : 16V ]
YES
Each IC700,701 34, 29, 26,
21 PIN input power check
YES
Each IC700, 701 1, 36.17,
18, 19 PIN +12V input power
check
YES
PWM MODULATOR input
power check Each IC
4.6.14.16 PIN
YES
POWER IC 700.701.702.703
34.29.27.20 PIN output
check
YES
Output LINE COIL check
YES
normal
NO
Refer to SMPS
Troubleshooting
Each LINE resistance output
power check
NO
IC700:R702, 701, 726, 727,
724
IC701:R730, 729, 750 ,753,
752(Only LM-U1560)
NO
relevant parts
replacement
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