Main Board - LG 55UM7450PVA Service Manual

Chassis ub93u
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Power Board Muitl Gender JIG Diagram
18 Marking check
18Pin
New JIG
24Pin
No Marking
OLD JIG
24Pin
24 Marking Check
Cable Connection
<Defect diagnosis : Power Board
15Y
(LF/UF Series)
28Pin
24Pin
13Y/14Y
12Y
18Y/19Y
UK63/UK64
UK65/UK68
UK7050
18Y
UM73/UM74
SK80/UK89
SK85/SK96
UM76/UM79
SK95/SK99
12Pin
28Pin
16/18Y/19Y
17Y/18Y
(SJ/UJ/UK/SK)
(UH/UK/UM
(P/N: RAD33187801)
15Y
16Y
(OLED)
(OLED B6)
24Pin
24Pin
18Y/19Y
LK57,32/43/49LK54
32LK61/32LK62
43/49LK61
LM63
28Pin
12Pin
Includes 49UJ63
16Y/17Y
16Y/17Y/18Y/19Y
)
(UH/SJ)
(LH/LJ/LK/LM)
Main Board>
NC
24Pin
28Pin
17/18Y
/19Y
W7
B8, C8
E8, G8
24Pin
W8
C9/E9
18Pin
18Y/19Y
UK74,UK75
28Pin
UK77,UK78
SK79
SM86
16Y
(UH)
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
16Y
(OLED)
17Y/18Y/19Y
)
(OLED
16Y/17Y/18Y/19Y
(UH/UJ/UK/SK/
/SM
A29 (2/19)

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