LG 32LG2100 Service Manual page 37

Standard Repair Process
Error
LCD TV
symptom
Check
Signal
input
input?
signal
Check and fix
external device/cable
D. Function error
External device recognition error
Check technical
Y
information
- Fix information
- S/W Version
N
Established
date
Revised date
External Input and
N
Technical
Component
information?
Recognition error
Y
RGB,HDMI/
DVI, Optical
Fix in
Recognition error
accordance
with technical
information
11
2008. 3 .05
11/13
Replace Main B/D
Replace Main B/D