LG 55QNED81SRA Service Manual page 33

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Standard Repair Process
Error
symptom
2. Magic Remote control operating error
☞A4
Check the
RF Receiver
ver is "00.00"?
INSTART menu
☞A15
Check & Repair
RF assy
connection
☞A4
RF Receiver ver
is "00.00"?
Down load the Firmware
* INSTART MENU
 14.RF Remote control Test
 3. Firmware download
D. Function error
Magic Remote control operating checking
N
Check MR23
itself Operation
Y
N
Close
Y
Normal
Y
Press the
operating?
wheel
N
Check & Replace
Battery of MR23
Y
Normal
Close
operating?
N
Replace
MR23
Established
date
Revised date
N
Is show ok
message?
Y
Close
Is show ok
N
message?
Y
Close
* If you conduct the loop at 3times, change the MR23.
Copyright © 2023 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.
12/17
Turn off/on the
set and press
the wheel
Press the back
key about 5sec

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