Read LG 42SL80YD-AA (CHASSIS:LB91T) Service Manual online
D. Function error
External device recognition error
Established
date
Revised date
2008. 3 .26
11/13
LCD TV
Error
symptom
Standard Repair Process
Check technical
information
- Fix information
information
- Fix information
S/W Version
N
Technical
information?
Check
input
signal
input
signal
Signal
input?
input?
Y
External Input and
Component
Recognition error
Replace Main B/D
- S/W Version
Y
g
N
Check and fix
external device/cable
external device/cable
RGB,HDMI/
DVI, Optical
DVI, Optical
Recognition error
Replace Main B/D
Fix in
accordance
ith t h i l
with technical
information
11
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