LG C3400 Service Manual page 102

1 2 3
VBAT
CAMERA
SW300
R372 END
10K
SW305
POWERKEY
R300 680
R302
680
A
KEY_ROW0
KEY_ROW1
KEY_ROW2
B
KEY_ROW3
KEY_ROW4
KEY_ROW5
KEY_COL0
KEY_COL1
C KEY_COL2
KEY_COL3
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 FLASH+128 FLASH ADD11 A10 D10
B8 J4
ADD12 A11 D11
C8 H5
+ 64PSRAM) 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
RD38F3350LLZDQ0
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 R355
E
VSS1 _WP
C4 E5
VSS2 _ADV
L1 F5
VSS3 _WE
L2 J2
VSS4 _OE1
L5 H8 R356
VSS5 _OE2
L6 F4
VSS6 _RST
L7 G7
VSS7 WAIT
L8 C6 R357
VSS8 CLK
1 2 3
LGIC(42)-A-5505-10:01
4 5
VOL_UP
VOL_DOWN
SW301
SW302 SW303
SW304
R301
R303 R304
R305 CLR CAMERA
680 680 680
680
SW306 SW307
1 2 3
LEFT
SW308 SW309 SW310 SW311 SW312 MENU
SW313 SW314 SW315 SW316 SW317
4 5 6
UP
SEL
SW318 SW319 SW320 SW321 SW322
7 8 9
RIGHT
SEND
SW323 * SW324 0 SW325 # SW326 SW327
DOWN
OK
SW328
SCHEDULE
DATA00
2V85_VSIM 2V85_VSIM
DATA01
DATA02
SIM CONNECTOR
DATA03
DATA04
DATA05
DATA06
R346
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 J300
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
300
7.5K
_ADV
_WR
_RD
0
_RESET
_WAIT
0
BURSTCLK
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
VUSBIN
DEBUG_RX
U301
USB+
USB-
STF203-22
BATT_TEMP
C309
1u
VBAT
KEY BACKLIGHT
SIM_RST
0
SIM_CLK
R373 12K
KEY_BACKLIGHT
VBAT R364 C340
12K 27p
R351
47K
R352
Q300 Section Date Sign & Name
220
IM sang ho
Designer
05/01/17
Checked
05/01/17
MOTOR
EMZ2 C328
Approved
05/01/17 Song yoon seok
4.7u
LG Electronics Inc.
6 7
- 101 -
9 10
VCHARGE
VBAT
VUSBIN
CN300
1
2
R312 47 3
4
5
6
R314 NA 7
R315 47 8
R316 47 9
R330 0 10
R319 NA 11
12
R321 47 13
R322 47 14
R331 0 15
R358 0 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
MODEL C3400
3/7
Kim kil su
DRAWING
MEMORY, MMI, I/O
NAME
DRAWING
Ver 1.1
NO.
7. CIRCUIT DIAGRAM
A
A
C
D
LG Electronics Inc.