LG 79UF9500 Service Manual page 81

Standard Repair Process
D. Function error
Established
Error
date
symptom
MR13 operating checking
Revised date
11/16
2. MR15(Magic Remocon) operating error
☞A4
N
Check the
Check MR15
RF Receiver ver Normal Y
Turn off/on the set
N
Press the Is show ok
INSTART menu
is "00.00"? operating?
itself Operation
and press the
message?
wheel
wheel
N
Y
Y
☞A23
Check & Replace Close
Check & Repair
Battery of MR15
RF assy
connection
Y
Normal
Close
☞A4
operating?
Is show ok N
Press the back key
message?
N about 5sec
RF Receiver ver
N
Close
is "00.00"?
Y
Replace
MR13
Close
Y
Down load the Firmware
* If you conduct the loop at 3times, change the M4.
* INSTART MENU14.RF
Remocon Test3. Firmware
download
LGE Internal Use Only
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11
Only for training and service purposes