Only For Training And Service Purposes - LG GM750 Service Manual

3. Technical Brief
3.14.5 Display
LCD module is connected to Main PCB with 24-pin connector(GB042-24S-H10-E3000,
CN504). The LCD is controlled by MDDI Interface in MSM7200A.
C I
M D D _ I P _ D A T A _ P
M D D _ I P _ D A T A _ M
M D D _ I P _ S T B _ P
M D D _ I P _ S T B _ M
S F E
LGE Internal Use Only
" 3 W
W L E D _ P W R
W L E D 2
W L E D 4
W L E D 6
M E F 2 1 4 P 1 0 1 M F L 5 0 2
1 5
P 1 P 5
2 6
P 2 P 6
3 7
P 3 P 7
4 8
P 4 P 8
Y 0 0 1 5 9 0 1
L C D _ C S _ N
Figure. Schematic of LCD connector (in Main PCB)
Q V G A L C D C O N
V R E G _ L C D _ 2 8 . V V R E G
C 5 3 0
1 u
C N 5 0 4
2 4 1
2 3 2
2 2 3
2 1 4
2 0 5
1 9 6
1 8 7
1 7 8
1 6 9
1 5 1 0
1 4 1 1
1 3 1 2
G B 0 4 2 2 - 4 - S H 1 0 E - 3 0 0 0
E N B Y 0 0 3 4 2 0 1
- 78 - Copyright © 2009 LG Electronics. Inc. All right reserved.
N E C T O R
_ M S M E _ 1 8 . V
C 5 2 9
1 u
W L E D 1
W L E D 3
W L E D 5
C I V E 1 0 1 8 4 E 0 7 0 R 1 0 0 F R F L 5 0 1
9 1
L C D _ P
N I O U T _ B 1 N I O U T _ A 1
8 2
L C D _ M
N I O U T _ B 2 N I O U T _ A 2
7 3
L C D _ R
N I O U T _ B 3 N I O U T _ A 3
6 4
L C D _ V
N I O U T _ B 4 N I O U T _ A 4
S F E Y 0 0 1 1 7 0 1
7 5 . p F
R e v B

Only for training and service purposes

W M
A K E R _ D I
E S E T _ N
S Y N C