LG 55LB6500-um - Page 100

D. Function error
External device recognition error
Established
date
Revised date
11/13
LCD TV
Error
symptom
Standard Repair Process
2013. 11 .30
Check technical
information
- Fix information
S/W Version
N
Technical
information?
Check
input
si
g
nal
Signal
input?
Y
External Input and
Component
Recognition error
Replace Main B/D
-
S/W
Version
Y
g
N
Check and fix
external device/cable
RGB,HDMI/
DVI, Optical
Recognition error
Replace Main B/D
Fix in
accordance
ith t h i l
w
ith
t
ec
h
n
i
ca
l
information
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