LG 42LY750H Service Manual page 18
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Also See for 42LY750H:
- Service manual (50 pages) ,
- Commercial mode s setyp manual (84 pages) ,
- Owner's manual (64 pages)
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4. Digital RF Trouble Shooting guide
Check RF cable & signal.
Y
Check tuner 5V power L6501.
Y
Check IIC Signal
TU6500 Pin#3,4.
Y
Check DIF Signal
TU6500 Pin#10,11.
Y
Check X100 and application
circuit.
Y
Replace IC105.
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
N
Check IC2404.
N
Replace TU6500.
N
Replace TU6500.
N
Replace X100.
- 18 -
N
Replace IC2404.
LGE Internal Use Only
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