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7. CIRCUIT DIAGRAM
TP101
TP102
NUMERIC KEY MATRIX
KEY_ROW0
KEY_ROW1
SW101
KEY_ROW2
KEY_ROW3
1
SW104
4
SW107
KEY_ROW4
KEY_COL0
7
KEY_COL1
KEY_COL2
SW110
*
VA101
1
2
LGIC(42)-A-5505-10:01
SIDE KEY
VOLUME
UP
DOWN
END
MP3
CN101
CN102
VBAT
SW102
SW103
R102
10K
2
3
680
SW105
SW106
POWERKEY
R103
5
6
SW108
SW109
8
9
SW111
SW112
0
#
15P
VA102
VA103
4
3
4
5
BLUETOOTH
( 903015 )
M101
LBMA-2C67B2
16
_BT_RST
RESETB
VDD_1_8V
VDD_DIG
C103
VDD_VREGIN
1
PIO0
NA
2
PIO1
7
PIO2
8
PIO3
9
PIO4
10
PIO5
UART_TX
UART_RX
28
NC
UART_RTS
UART_CTS
SPI101
13
SPI_CLK
PCM_IN
SPI102
14
SPI_CSB
PCM_OUT
SPI103
12
SPI_MOSI
PCM_SYNC
SPI104
15
SPI_MISO
PCM_CLK
VBAT
2V8_VBT
U102
VIN
VOUT
3
4
GND
BGND
2
6
BT_EN
STBY
NC
C107
1
5
1u
BH28FB1WHFV
C109
1u
Section
Date
01/10
Designer
2006
01/10
Checked
2006
01/10
Approved
2006
Notice No.
Date
Name
LG Electronics Inc.
- 112 -
(BT ANT -> TRANSFER TO FETCH ANT)
ANT1
GND1
R101
3.3nH
C101
C102
NA
NA
2V8_VBT
22
CLOSED TO BT MODULE
21
L101
22nH
3
C104
4
C105
C106
1u
GND1
6
GND2
15p
1u
11
GND3
25
GND4
27
DEBUG_RX
24
DEBUG_TX
23
26
19
PCM_TX
17
PCM_RX
18
20
USC0
2V8_VBT
R110
R104
100K
47K
5
1
VCC
USC3
4
3
PCM_TX
GND
2
U101
TC7SH08FS
C108
15p
Sign & Name
MODEL
SON80
S.J.PARK
S.H.LEE
KEY_PCB
DRAWING
NAME
S.Y.LEE
(BLUE TOOTH, KEY, SIM, EL DRIVER)
REV.1.1
DRAWING
(SPEY0041801)
NO.
LG Electronics Inc.
A
B
C
D
Sheet/
Sheets
6/10
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