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7. CIRCUIT DIAGRAM
PWON
KB802
S_KBR(1)
1
KB806
S_KBR(2)
4
KB810
S_KBR(3)
7
KB814
S_KBR(4)
*
S_KBR(0)
S_KBC(0)
S_KBC(1)
S_KBC(2)
S_KBC(3)
S_KBC(4)
V_CAM
R820
220K
R821
470K
R822
PT801
620K
470K
KB801
POWER ON KEY
KB803
KB804
KB805
KB823
2
3
F3
F4
KB807
KB808
KB809
SOFTKEY_LED
5
6
F1
KB811
KB812
KB813
8
9
F2
KB815
KB816
KB817
KB824
0
#
SEND
F5
UP
LEFT
SW801
A
D
COM1
COM4
OK
COM5
E
COM2
COM3
B
C
DOWN
RIGHT
VBAT
DIM_CNTL
C804
2.2u
VREF
C809
1u
- 118 -
VBAT
VBAT
LEDB
WLED CHARGE PUMP : AAT3140
U802
AAT3140ITP
10
4
IN
C1+
C802
2.2u
3
C1-
1
C2+
2
CP
2.2u
C803
12
C2-
9
EN_SET
8
R817
27
D1
LCD_LED1
6
R818
27
D2
LCD_LED2
5
R819
27
C805
D3
LCD_LED3
11
7
2.2u
GND
D4
C806
C807
C808
39p
39p
39p
Section
Date
Sign & Name
Designer
05/07/26
Checked
05/07/26
T. S. PARK
Approved
05/07/26
LG Electronics Inc.
V_CAM
VBAT
V_CAM
R801
CN801
R802
220K
R803
100K
NA
LCD_ID
R804
NA
L_D(15)
L_D(14)
L_D(13)
L_D(12)
L_D(11)
L_D(10)
L_D(9)
L_D(8)
L_D(7)
L_D(6)
L_D(5)
L_D(4)
L_D(3)
L_D(2)
L_D(1)
L_D(0)
L_WR
L_A(1)
L_MAIN_CS
V_CAM
LCD_RESET
VREF
LCD_LED1
LCD_LED2
LCD_LED3
VBAT
R815
R816
C801
100
68
27p
SML-521MUWT86
LD809
LEDA
LEDC
Sheet/
MODEL
LG9200
Sheets
S. G. KIM
DRAWING
Upper
NAME
S. S. BAE
DRAWING
Ver 1.1
NO.
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