External Device Recognition Error - LG 43LH54 Series Service Manual

Standard Repair Process
Error Symptom
Content
Check input
signal
Check and fix
external device/cable
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Only for training and service purposes
D. Function Error

External device recognition error

Check technical
Y
Signal information
Input - Fix information
- S/W Version
N
External Input and
N
Technical
Component
information
Recognition error
Y
Fix in
accordance HDMI
with technical Recognition error
information
Established date
Revised date
Replace Main B/D
LGE Internal Use Only
12/14