LG OLED55CXAUA - External Control Device Setup: Command Details (Part 4); Channel Management and Key Commands; Backlight, Input Select, and 3 D Commands

D. Function error
Remote control & Local switch checking
Y
N
1. Remote control(R/C) operating error
Check R/C itself
Operation
Normal
operating?
Normal
operating?
Y
Close
Replace R/C
If R/C operate,
Explain the customer
cause is interference
from light in room.
Check R/C Operating
When turn off light
in room
Check & Replace
Baterry of R/C
Check & Repair
Cable connection
Connector solder
Normal
operating?
Check B+3.5V
On Main B/D
☞A22
Normal
Voltage?
N
N
Check 7.8v on Power B/D
Replace Power B/D or
Replace Main B/D
(Power B/D don’t have problem)
☞A18
Check IR
Output signal
Normal
Signal?
N
Y
Repair/Replace
IR B/D
N
☞A22
Replace
Main B/D
Y
☞A22
Standard Repair Process
Established
date
Revised date
Error
symptom
11
Y
Close
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