LG 86UH9500 Service Manual page 112

Standard Repair Process
Error
symptom
2. MR15R(Magic Remocon) operating error
☞A4
Check the
RF Receiver ver
INSTART menu
is "00.00"?
☞A23
Check & Repair
RF assy
connection
☞A4
RF Receiver ver
is "00.00"?
Down load the Firmware
* INSTART MENU13.RF Remocon
Test  Firmware download
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Only for training and service purposes
D. Function error
MR15R operating checking
N
Check MR15R
itself Operation
Y
N
Close
Y
Normal Y
Press the
operating?
wheel
N
Check & Replace
Battery of MR15R
Y
Normal
Close
operating?
N
Replace
MR15R
11
Established
date
Revised date
Turn off/on the set
N
Is show ok
and press the
message?
wheel
Y
Close
Is show ok N
Press the back key
message?
Y
Close
* If you conduct the loop at 3times, change the MR15R.
11/15
about 5sec
LGE Internal Use Only