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LG 32LF56 Z Series Service Manual page 55

Chassis : ld55t

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Standard Repair Process
Error symptom
Remote control(R/C) operating error
Check R/C itself
Normal
Operation
Operating
Check R/C Operating
Check & Replace
When turn off light
Baterry of R/C
in room
If R/C operate,
Explain the customer
cause is interference
from light in room.
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Only for training and service purposes
D. Function error
Remote control & Local switch checking
☞A17
Y
Check & Repair
Cable connection
Connector solder
N
Y
Normal
End
Operating
N
Replace R/C
☞A17
N
Normal
Check 3.5V
Operating
On Main B/D
Y
☞A4
End
Check 13.2V on Power B/D
Replace Main B/D
(Power B/D don't have problem)
Established
date
Revised date
☞A17
Y
Normal
Check IR
Voltage
Output signal
N
11/14
Replace
Main B/D
Y
Normal
Signal
N
Repair/Replace
IR B/D
LGE Internal Use Only

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32lf56 series