LG 65LA970V Service Manual page 103

Standard Repair Process
Error
LCD TV
symptom
Check
input
signal
Check and fix
external device/cable
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
D. Function error
External device recognition error
Check technical
Y
information
Signal
- Fix information
input?
- S/W Version
N
Established
Revised date
External Input and
N
Technical
Component
information?
Recognition error
Y
HDMI/
DVI, Optical
Fix in
Recognition error
accordance
with technical
information
14
2013.01.31
date
Replace Main B/D
Replace Main B/D
14/16
LGE Internal Use Only