LG 50UH5500 Service Manual page 94

Standard Repair Process
Error
symptom
2. MR15(Magic Remocon) operating error (UH55 Model doesn`t support Magic Remocon)
☞A4
Check the INST
RF Receiver ver
ART menu
is "00.00"?
Y
☞A23
Check & Repair
RF assy connect
ion
☞A4
RF Receiver ver
is "00.00"?
Y
Down load the Firmware
* INSTART MENU14.RF Rem
ocon Test3. Firmware down
load
D. Function error
MR13 operating checking
N
Check MR15 its
Normal
operating?
elf Operation
N
Check & Replace
Battery of MR15
Normal
operating?
N
N
Close
Replace MR
13
Established
date
Revised date
Y
Press the Is show ok
message?
wheel
Y
Close
Y
Close
Is show ok
message?
Y
Close
* If you conduct the loop at 3times, change the M4.
11
11/16
Turn off/on the s
N
et and press the
wheel
N Press the back ke
y about 5sec