LG 42CQ610H Service Manual page 18
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Also See for 42CQ610H:
- Commercial mode setup manual (75 pages) ,
- Owner's manual (125 pages) ,
- Quick reference manual (24 pages)
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8. Analog RF Audio Trouble Shooting guide
Check RF cable & signal
Check TU1003 Pin1
(SIF output)
Y
Check Audio AMP output
L503,L504,L505,L506
Y
Check IC501
Y
Check C250
(SIF signal to IC101)
Y
Replace IC101
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LG Electronics. Inc. All rights reserved.
Only for training and service purposes
N
Replace Tuner
N
Replace L503,L504,L505,L506
N
Replace IC501
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