LG OLED55B7M Service Manual

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
☞A13
Normal
Voltage?
Close
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)
☞A9
Check IR
Output signal
Normal
Signal?
N
Y
Repair/Replace
IR B/D
N
☞A13
Replace
Main B/D
Y
☞A13
Standard Repair Process
Established
date
Revised date
10/15
Error
symptom
10
Y

LG OLED55B7M Specifications

General

Brand	LG
Model	OLED55B7M
Category	OLED TV
Language	English