LG OLED77B3 Series - D. Function error (MR23 operating checking)

Established
date
Revised date
Error
symptom
12/16
D. Function error
MR23 operating checking
2. MR23 (Magic Remote control) operating error
Standard Repair Process
Y
N
Check MR23
itself Operation
Normal
operating?
Normal
operating?
Y
Check & Replace
Battery of MR23
Is show ok
message?
Press the
wheel
Is show ok
message?
N
N
N
Y
Replace
MR23
Turn off/on the
set and press
the wheel
Press the back
key about 5sec
•If you conduct the loop at 3times,
change the MR23.
Y
Check the
INSTART menu
RF Receiver ver
is “00.00”?
Y
Check & Repair
RF assy
connection
N
Down load the Firmware
* INSTART MENU
 12.RF Remote control Test
 Receiver Firmware download
Y
RF Receiver ver
is “00.00”?
N
☞A14
☞A4
☞A4
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