LG KE600 - Cell Phone Service Manual page 123

7. CIRCUIT DIAGRAM
1 1 2 2 3 3
A A
B B
KB401 KB402 KB403
1 4 7
C C
KB404 KB405 KB406
2 5 8
KB408 KB409 KB410
3 6 9
D D
I/O CONNECTOR
E E
2V72_IO VBUS_USB USB_PU
C405
4.7u
F F R449
RPWRON_EN
R453
R455
RXD_0
R456
TXD_0
R457
FB403
R458
TX_DEBUG
R459
RTS_0
R460
CTS_0
R461
RX_DEBUG
G G
U404 STF203-22-TC
USBDP
USBDM
H H
1 1 2 2 3 3
4 4 5 5 6 6
KEYPAD
KP_OUT1
1
R401
2SC5585
END_KEY
2 Q401
10K
CN401 3
R402
NEO_LEFT_SIDEKEY_PAD
1M KP_IN5
4
3
2
1
CN402 NEO_RIGHT_SIDEKEY_PAD
1
2
3
KB_star
R422 680
KP_OUT0
*
KB407
R423 680
KP_OUT1
0
KB_shap
R427 680
KP_OUT2
#
VCHG VSUPPLY
25
1
2
3
4
FB401 5
10 FB402
6
7
8
9
0
10
11
12
10 13
10 14
0 15
16
17
10 18
19
10 20
21
22
10 23
10 24
26
CN404
CN403
1
5
2
4
3
C407 C415 C416 C417
56p 18p 18p 3p
C408
1u
4 4 5 5 6 6
7 7 8 8
KEY BACKLIGHT
R420 0
KEY_BACKLIGHT
R421 0
VIBRATOR
U401
SUY98005LT1G
R425
1
VIBRATOR_EN VIN L401
3 R426
10K VOUT
R428 2 100nH
12
GND
100K
SLIDE
2V72_IO
R444 100K
SLIDE_DETECT
C406
0.1u
VSUPPLY
Battery Connector
R462 1K
BATT_TEMP
R465 VIN IOUT I_MONITOR
4 3
47mohm
GND
VBAT 2
LOAD NC
5 1 C411 R466 C412 C413
ZXCT1010E5TA U403 2.2K
C409 C410 C418 C419
1u 18p 56p
56p 18p 10p 3p C414
56p
Changed by: Changed by:
D.H.SEO
7 7 8 8
- 124 -
9 9 10 10 11 11
VBAT
R424 NA
VIBRATOR
VIBRATOR-
C404
NA
Engineer: Engineer:
LG ELECTRONICS INC.
D.H.SEO
Mobile Handsets R&D Center
Drawn by: Drawn by:
HW Group, Develpment Lab 4
D.H.SEO
R&D CHK: R&D CHK:
TITLE: TITLE:
GSM-NEO-MAIN-1.1
DOC CTRL CHK: DOC CTRL CHK:
MFG ENGR CHK: MFG ENGR CHK:
Date Changed: Date Changed: Time Changed: Time Changed: QA CHK: QA CHK: REV: REV: Drawing Number: Drawing Number:
2006.04.13 5:01:55 pm
9 9 10 10 11 11
LGMC
12 12
A A
B B
C C
D D
E E
F F
G G
H H
Size: Size:
A2 A2
12 1 8 A 12 1 8 A
Page: Page:
4/6
12 12