Read LG 37LV370S-ZB / 37LV375G-ZC / 37LV375S-ZC / 37LV375W-ZC (CHASSIS:LD12B) Service Manual online
No response in remote controller and main unit key error
Check remote
controller battery
and product
selection
controller battery
and product
selection
Y
N
Normal?
Check for 3
wave length
wave length
3 wave
length?
N
Check and
replace battery
replace battery
Reset or replace
remote controller
remote controller
Y
Check IR sensor
voltage (5V)
voltage (5V)
Y
N
Normal
voltage?
Normal
voltage?
Y
N
Check and fix 3.5V
Line of Main B/D
Line of Main B/D
Replace Analog B/D (Old)
/ Main B/D (New)
/ Main B/D (New)
Replace PRE –AMP
Replace Key PCB
Check for 3
wave length
florescent light
wave length
florescent light
Request for florescent light
replacement or attach mesh
cloth
replacement or attach mesh
cloth
OR
Check for TV operation
after removing other
product
remote controller battery
after removing other
product
remote controller battery
Check for
external wave
length effect
external wave
length effect
OR
OR
Established
date
date
Electronics 6-3
Standard Repair Process
Revised date
2008. 2 . 1
LCD TV
D. Function error
No response in remote controller,
key error, recording error, memory error
key error, recording error, memory error
10/13
☞173
Error
symptom
symptom
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