Download Print this page

LG 43SM5KD-BH Service Manual page 22

Advertisement

Standard Repair Process
Error
Monitor Signage
symptom
1. Remote control(R/C) operating error
Check R/C itself
Normal
operating?
Operation
N
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.
Replace R/C
D. General Function Problem
Remote control & Local switch checking
☞A15
Check & Repair
Y
Cable connection
Connector solder
Y
Normal
Close
operating?
N
☞A15
N
Check B+ 3.5V
Normal
operating?
On Main B/D
Y
☞A4
Close
Check 13.2v on Power B/D
Replace Power B/D or
(Power B/D don't have problem)
8
Established
date
Revised date
☞A15
Y
Check IR
Normal
Voltage?
Output signal
N
Replace Main B/D
Copyright ⓒ 2017 LG Electronics Inc. All rights reserved.
Only training and service purposes.
8/11
Replace
Main B/D
Y
Normal
Signal?
N
Repair/Replace
IR B/D

Advertisement

loading

This manual is also suitable for:

43sm5kd