Read LG 32LP560M (CHASSIS:LA3AA) Service Manual online
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Analog RF Video Trouble Shooting guide
Check RF cable & signal
Check tuner Video output.
xxLP620H (TU3002 Pin#8)
xxLP645H (TU3001 Pin#7)
Y
(xxLP645H only)
Check tuner 5V power L3000
Y
Check tuner 3.3V power L3001
Y
Check tuner 1.8V power IC3000
2pin : 1.8V
Y
Check Mstar LVDS output
Replace Tuner.
N
Replace IC3000
N
N
N
Replace IC101
N
Y
Replace L3001
Replace L3000
Y
Digital RF Trouble Shooting guide
Check RF cable & signal
Y
Check IIC Signal
TU3001/TU3002 Pin#3,4
Y
Check DIF Signal
TU3001/TU3002 Pin#10,11
Y
Check X201
and application circuit
Replace TU3001/TU3002
Replace TU3001/TU3002
N
N
Replace IC101
N
Replace X201
(xxLP645H only)
Check tuner 5V power L3000
N
Replace L3000
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