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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
LGE Internal Use Only
Figure 3-6-3. Charge Pump (AAT3157) Circuit Diagram
LCD Module provides LCD(176x220(QCIF), 262K Color).
The controller handles the multi-media and secure digital card functions. This includes clock generation,
power management, command transfer, and data transfer. The bus interface contains 32-bit memory
mapped registers, converts 16-bit PBUS accesses to 32-bit register accesses. There are three white LEDs in
LCD module. White LCD driver is AAT3157 and it is described at next page.
9
0
3
C
u
1
6
2
3
C
p
7
4
5
0
3
B
F
2
0
1
7
0
0
0
H
B
F
S
1
N
P
0
0
1
G
A
5
1
M
L
B
u
1
1
1
3
C
T
A
B
V
p
7
4
2
2
3
C
p
7
4
4
2
3
C
3
3
D
T
E
S
_
N
E
1
1
4
D
N
G
5
N
I
2
1
C
N
u
1
0
1
3
C
2
0
7
8
3
2
0
Y
S
U
E
1
T
-
P
T
I
7
5
1
3
T
A
A
4
0
3
U
+
1
C
0
1
9
-
1
C
+
2
C
7
-
2
C
6
8
P
C
1
1
D
2
D
2
9
0
3
R
K
0
0
1
5
2
3
C
p
7
4
u
1
3
2
3
C
1
D
E
L
M
2
D
E
L
M
3
D
E
L
M
D
E
L
M
L
R
T
C
_
L
B
_
D
C
L
