Remote Control & Local Switch Checking - LG 43LH54 Series Service Manual

Standard Repair Process
Error Symptom
Content
Check R/C itself Normal
Operation Operating
Check R/C Operating
When turn off light
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
☞A16
Y Check & Repair
Cable connection
Connector solder
N
Check & Replace
Baterry of R/C
Y
Normal
End
Operating
N
Replace R/C
☞A16
N
Normal Check 3.5V
Operating On Main B/D
Y
☞A13
End Check Voltage 19V of Adaptor
Established date
Revised date
☞A16
Y
Normal Check IR
Voltage Output signal
N
11/14
Replace
Main B/D
Y
Normal
Signal
N
Replace
IR B/D
LGE Internal Use Only