LG 65LX570H Service Manual page 19
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Also See for 65LX570H:
- Commercial mode setup manual (71 pages) ,
- Owner's manual (44 pages)
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4. Digital RF Trouble Shooting guide
Check RF Cable
Y
Check Tuner 5V Power
L3000
Y
Check IIC Signal
TU3001 #3, 4Pin
Y
Check IF Signal
TU3001 #10, 11 Pin
Y
Check X201
and application circuit
Y
Replace IC101
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Only for training and service purposes
N
Check L3000
N
Check IIC line and level shifter circuit
N
Check tuner application circuit or
replace tuner.
N
Replace X201
- 19 -
Y
N
Replace L3000
Replace IC5000
LGE Internal Use Only
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