LG KG290 - Page 102

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LGMC
TX
IO CONNECTOR
ENRY0003501
4
USC0
B
2
H
_RESET
VOL_DOWN
2
6
USC4
USC1
L
RTS/CTS(PC)
*
Pin 1
-
32
C
Pin 2
KEY BACKLIGHT
#
D
USC2
1 10
-
-
AD6721
CAMERA VOL_UP
USC5
5
Pin 24
4
PIN
3
CLOCK
A
7
AIT813G
8
USB PATH SELECTION
C
9
MAIN KEYPAD
SLIDE SW
PIN
I/O CONNECTOR
Pin 9
5
9
45
A
RESET
CTS/RTS(PC)
A
USC6
1
7
2V8
DAI
(50pF)
(15pF)
LGIC(42)-A-5505-10:01
DAI
JTAGEN
3
UART
6
TCK
E
TMS
TDI
RX
7
-
Trace32
6
0
TXD
Pin 7
TDO_1
Pin 11
VIBRATOR
8
LG Electronics In
c.
USB_PATH_SEL
Pin 18
D
R322 NA
1
RXD
KEY307
VBAT
47
KEY302
R348
R350
20
NA
C310
NA
R332 0
R312
KEY303
12K
R342
NAR302
VCHARGE
R318 47
R344
47
680R336
1u
C313
R306
680R321
EVL5M02200
VA311
NA
KEY308
GND1GND2
INOUT
FL300
ICVFP10181E301FR
C304
2V8_VMEM
USB_VBUS
LD303
1u
R323 47
100K
VA305
R313
100ohm
R309
C302 22u
100ohm
R617
VA308 EVL5M02200
EVL5M02200
VA312
VA331
D301
VA306
1SS302-T5L_F_H
R331 47
VA332
EVL5M02200
C312
R329 680
R317 680
VA310
NA
1u
C308
R330 47
R618
100ohm
LD305
R339
12K
VA302
FB300
LD302
OUT VDD
2V8_VEXT
2V8_VMEM
12K
R340
U301
A3212EELLT-T
G1 G2
NAR303
Q3002
3
1
USB_VBUS
NAR304
KTC4075E
100K R352
7
8
9
1.5KR334
21
22
23
24
25
26
27
28
29
3
30
31
32
4
5
6
1
10
11
12
13
14
15
16
17
18
19
2
20
KEY304
CN301
R335 680
KEY309
VA304
R314 100K
KEY301
2V8_VEXT
R345
47
R327 47
R320 47
NA
C309
FB301
100ohm
R310
R347
47
R311
VBAT
VA300
EVL5M02200
100K
KEY300
R343
100K
R337 680
R324 680
VUSB
C301
1u
3pC307
VA307
EVL5M02200
VUSB
PACUSB-U3R
61
43
25
D300
R346
47
39pC305
R333 680
NA
R300
VCHARGE
R315 100K
C311
1u
SHARPSTAR
R341
12K
C314
39p
VA303
VBAT
R325 47
NAR308
10pC306
C300
100K
4.7u
R326 47
R316
KEY306
R301 NA
LD300 LD304
NAR305
R328 47
VA309
KEY305
NA
1K
R351
NAR307
47
R349
47
NC2
7
NO1
2
NO2
10
VCC
1
R319
U300
SLAS4717EPMTR2G
3
COM1
9
COM2
6
GND
IN1
4
IN2
8
5
NC1
VA301
2V8_VEXT
C303 1u
100K R338
5
LD301
CN300
1 2 3 4
MULTI_USB-
USB+
USB-USB_PATH_SEL
MULTI_USB+
RPWRON
USBDP
USBDP
USBDM
BATT_TEMP
CHG_DET
VIBRATOR
MOTOR
USBDM
LED_KEY
UKEY_ROW0
USB_DET
JTAGEN
SLIDE
UKEY_ROW1
UKEY_ROW2
UKEY_ROW3
UKEY_ROW4
USC1
USC2
USC0
DSR
USC3
USC6
_RESET TMS TCK TDI TDO1
KEY_ROW1
KEY_ROW2
KEY_ROW3
KEY_ROW4
KEY_COL2
KEY_COL1
KEY_COL0
KEY_ROW0
DEBUG_TX
DEBUG_RX
USC5
USC4
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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Only for training and service purposes