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7. CIRCUIT DIAGRAM
1
2
VBAT
TORCH
SW300
R372
END
10K
SW305
POWERKEY
R300
680
R302
100
A
R373
680
KEY_ROW0
R386
680
KEY_ROW1
R375
680
KEY_ROW2
B
R376
680
KEY_ROW3
R377
680
KEY_ROW4
R378
680
KEY_ROW5
R379
680
KEY_COL0
R380
680
KEY_COL1
R381
680
C
KEY_COL2
R382
680
KEY_COL3
R383
680
KEY_COL4
G1
H2
ADD01
A0
D0
F1
H3
ADD02
A1
D1
E1
G3
ADD03
A2
D2
D1
H4
ADD04
A3
D3
B1
J5
ADD05
A4
D4
C1
G5
ADD06
A5
D5
F2
J6
ADD07
A6
D6
E2
H7
ADD08
A7
D7
F6
G2
ADD09
A8
D8
MEMORY
D7
J3
ADD10
A9
D9
E7
G4
(128+64PSRAM)
ADD11
A10
D10
B8
J4
ADD12
A11
D11
C8
H5
ADD13
A12
D12
D8
G6
ADD14
A13
D13
F7
H6
ADD15
A14
D14
D
E8
J7
ADD16
A15
U302
D15
F8
ADD17
A16
D2
ADD18
A17
RD38F3050L0ZBQ0
B2
ADD19
A18
B3
ADD20
A19
E6
J1
ADD21
A20
_S_CS1
2V8_VMEM
1V8_VCORE
B7
C5
ADD22
A21
S_CS2
C7
ADD23
A22
C3
ADD24
A23
D3
D6
A24
_P1_CS
E3
K2
A25
_P2_CS
K8
P_MODE
B5
VCC11
L4
VCC12
B6
C2
VCC21
_R_LB
K6
D5
VCC22
_R_WE
J8
H1
VCCQ1
_R_OE
K7
F3
VCCQ2
_R_UB
L3
VCCQ3
D4
VPP
K5
K1
P_VCC
_CE1
K4
G8
S_VCC
_CE2
K3
_CE3
B4
E4
E
VSS1
_WP
C4
E5
VSS2
_ADV
L1
F5
VSS3
_WE
L2
J2
VSS4
_OE1
L5
H8
VSS5
_OE2
L6
F4
VSS6
_RST
L7
G7
VSS7
WAIT
L8
C6
VSS8
CLK
1
2
LGIC(42)-A-5505-10:01
3
4
5
VOL_UP
VOL_DOWN
SW301
SW302
SW303
SW304
R301
R303
R304
R305
CLR
FAV
100
100
100
100
SW306
SW307
1
2
3
SW308
SW309
SW310
SW311
LEFT
SW312
MENU
SW313
SW314
SW315
SW316
SW317
4
5
6
UP
SEL
SW318
SW319
SW320
SW321
SW322
7
8
9
RIGHT
SEND
SW323
SW324
SW325
SW326
SW327
*
0
#
DOWN
CONF
SW328
T
DATA00
2V85_VSIM
2V85_VSIM
DATA01
DATA02
SIM CONNECTOR
DATA03
DATA04
DATA05
DATA06
R346
J300
DATA07
20K
4
1
DATA08
GND
VCC
5
2
DATA09
VPP
RST
R348
0
6
3
R349
DATA10
SIM_DATA
I_O
CLK
DATA11
DATA12
DATA13
DATA14
DATA15
_RAM_CS1
_RAM_CS2
_RESET
VBAT
_LBS
_WR
R350
_RD
VIBRATOR
_UBS
20
R353 1.5K
VIBRATOR
_ROM_CS1
_ROM_CS2
R354
R355
300
7.5K
_ADV
_WR
_RD
R356
0
_RESET
_WAIT
R357
0
BURSTCLK
3
4
5
6
7
8
I/O CONNECTOR
PIN
DAI
UART
2V8_VEXT
USC0
CLOCK
-
USC1
RX
RXD
TX
TXD
USC2
-
RTS/CTS(PC)
USC4
-
CTS/RTS(PC)
USC5
USC6
RESET
-
DSR
R313
100
RPWRON
USC1
USC0
USC6
USC2
USC3
DEBUG_TX
USC5
USC4
DEBUG_RX
BATT_TEMP
C309
1u
VBAT
KEY BACKLIGHT
SIM_RST
0
SIM_CLK
R390
12K
KEY_BACKLIGHT
VBAT
R351
47K
R352
Section
Date
Sign & Name
Q300
220
Designer
IM SANG HO
Checked
KIM KIL SU
MOTOR
EMZ2
C328
Approved
KIM DAE HYUN
4.7u
LG Electronics Inc.
6
7
- 101 -
9
10
VCHARGE
VBAT
CN300
1
2
R312
47
3
4
5
6
R314
NA
7
R315
47
8
R316
47
9
10
R319
NA
11
12
R321
47
13
R322
47
14
15
16
R326
47
17
R323
47
18
19
R328
47
20
21
22
R329
47
23
R317
47
24
25
26
CHG_DET
CN301
1
2
4
3
VBAT
Q301
IMX9T110
Sheet/Sheets
C2100
MODEL
3/6
DRAWING
MEMORY, MMI, I/O
NAME
DRAWING
VER 1.1
NO.
LG Electronics Inc.
A
A
C
D
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