LG 65UB930T Service Manual

Standard Repair Process Detail Technical Manual
D. Function error
A22
Established
date
Revised
Error
symptom
Content
LCD TV
2014.02.07
Remote controller operation checking method
A22
date
Content
< XXUB98>
1GND
③
2KEY1
3 KEY2
4 +3.5V_ST
5 LOGO_LIG
④
HT_WAFER
6 C_SPK_L-
7 +3.5V_ST
8GND
①
9EYE_SCL
10 EYE_SDA
11 GND
②
Checkin
g
orde
r
g
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal 4,7.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the
Analog Tester needle moves slowly and defective when it does not move at all
Analog
Tes ter
needle
moves
slowly
,
and
defective
when
it
does
not
move
at
all
.
A22
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LG 65UB930T Specifications

General

Brand	LG
Model	65UB930T
Category	LED TV
Language	English