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7. CIRCUIT DIAGRAM
1
2
3
VBAT
URT100
A
3G
2.5G
1
GND
GND
2
RX
USC1
RX
3
TX
TX
USC2
4
UFLS
NC1
5
ON_SW
ON_SW
RPWRON
6
VBAT
VBAT
7
PWR
NC2
8
URXD
NC3
9
UTXD
NC4
10
DSR_TP
DSR
DSR
11
RTS
USC5
12
USC4_TP
CTS
USC4
B
C
X100
3
4
R107
D
10M
2
1
32.768KHz
MC-146_7pF
EXXY0004601
E
F
VCHARGE
C
VBAT
HSL
R127
100K
D
JTAG
BATT_TEMP
JACK_DETECT
BT_WAKEUP
BT_LDO_EN
JTAGEN
USC0
E
TRACE32(20 Pin)
TRACE32(14 Pin)
F
1
2
3
LG(42)-A-5505-10:01
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4
5
6
7
2V85_VSIM
2V8_VEXT
2V8_VMEM
VBAT
1V8_VRTC
C101
0.1u
C102
C103
C100
C104
10u
0.1u
22p
C106
C107
22p
0.1u
22p
ECTH0004807
R101
NA
_MIDI_CS
K7
ADD00
ADD0
J6
ADD01
ADD1
K5
ADD02
ADD2
H7
ADD03
ADD3
G4
ADD04
ADD4
G5
ADD05
ADD5
G9
ADD06
ADD6
H8
ADD07
ADD7
G8
ADD08
ADD8
F9
ADD09
ADD9
F7
ADD10
ADD10
F8
ADD11
ADD11
E9
ADD12
ADD12
E12
ADD13
ADD13
E16
ADD14
ADD14
F11
ADD15
ADD15
E11
ADD16
ADD16
D16
ADD17
ADD17
D14
ADD18
ADD18
D11
ADD19
ADD19
D12
ADD20
ADD20
D13
ADD21
ADD21
E10
ADD22
ADD22
T6
KEY_COL0
KEYPADCOL0
U5
KEY_COL1
KEYPADCOL1
U6
KEY_COL2
KEYPADCOL2
T7
KEY_COL3
KEYPADCOL3
U7
KEY_COL4
KEYPADCOL4
T5
KEY_ROW0
KEYPADROW0
U4
KEY_ROW1
KEYPADROW1
R8
KEY_ROW2
KEYPADROW2
R6
KEY_ROW3
KEYPADROW3
R7
KEY_ROW4
KEYPADROW4
T10
OSCIN
U10
OSCOUT
B1
26M_DBB
CLKIN
C118
R106
C2
100ohm
1000p
NC1
D8
NC2
E1
C120
C119
C141
C142
NC3
F1
NA
NA
NC4
NA
NA
F3
NC5
G1
NC6
G7
NC7
H5
NC8
J9
NC9
J12
NC10
K12
NC11
L5
NC12
L6
NC13
L8
U101
NC14
M8
NC15
M9
NC16
P7
AD6720
NC17
P10
NC18
R2
NC19
R9
NC20
T3
NC21
T4
NC22
M2
VIBRATOR
GPIO_0
N4
DEBUG_RX
GPIO_1
N3
_WAIT
GPIO_2
N2
DEBUG_TX
GPIO_3
FB100
N8
SLIDE
GPIO_5
R128
NA
P9
TOUCH_INT
GPIO_6
P2
_MIDI_IRQ
GPIO_7
P3
HOST_WAKEUP
GPIO_8
R1
CAM_HOLD
GPIO_9
T1
13M_AIT_DBB
GPIO_10
R3
GPIO_11
LCD_RESET
T2
A22_LL
GPIO_12
U1
CHG_DET
GPIO_13
P5
CAM_RST
GPIO_14
TOUCH_EN
U2
TOUCH_EN
GPIO_15
R4
LCD_ID
GPIO_16
TOUCH_DAT
P6
TOUCH_DAT
GPIO_17
TOUCH_CLK
E5
TOUCH_CLK
GPIO_22
E3
SIM_RST
GPIO_23
D2
TOUCH_LED
GPIO_24
E2
SIM_DATA
SIMDATAOP
E4
SIM_CLK
SIMCLK
1V8_VRTC
B2
DSR
GPIO_32
R10
LCD_LDO_EN
GPO_5
2V8_VEXT
F14
LIGHT1
H13
LIGHT2
J15
LIGHT3
P8
KEY_BACKLIGHT
GPO_22
R5
LCD_DIM_CTL
GPO_23
R114
T12
R113
VMEMSEL
C123
1u
D17
REF
2.2K
NA
C124
1u
C15
REFOUT
C14
TEMP1
C125
A13
C127
TEMP2
A14
0.1u
AUXADC1
4.7u
B14
AUXADC2
T13
VRTC
VCHARGE
C12
VCHG
GATEDRV
A12
GATEDRV
GATEDRIVE
ISENSE
C13
ISENSE
ISENSE
VBATSENSE
B13
VBATSENSE
R117
82K
F17
REFCHG
B12
BATTYPE
R118
0
F5
GPIO_18
R120
0
F2
GPIO19_TMS
F6
GPIO_20
R122
0
G3
GPIO_21_TDI
F4
JTAGEN
JTAGEN
T16
KEY_ROW0
KEYOUT
U17
POWERKEY
KEYON
M5
USC0
TCK
L3
TCK
USC_1
USC1
M7
USC_2
USC2
TMS
USC3
L2
TMS
USC3
USC3
M3
USC4
USC4
TDI
N6
TDI
USC5
USC5
N5
CLK32K
USC6
TDO1
TDO1
R126
C137
NA
0.1u
4
5
6
7
8
9
10
11
1V8_VCORE
R100
VBACKUP
10K
C105
C108
C109
0.1u
2V8_VEXT
22p
0.1u
2V8_VMEM
1V8_VCORE
2V75_VVCXO
2V8_VEXT
2V75_VABB
2V5_VMIC
2V85_VSIM
C11
C110
1u
VEXT01
R13
C111
1u
VMEM
G17
C112
2.2u
VABB
U11
C113
1u
VCORE
P16
C114
1u
VMIC
F16
C115
1u
VVCXO
VVCXO : Required External Capactor 470nF(C115)
R14
C116
1u
VSIM
A11
DATA0
DATA00
D9
DATA1
DATA01
E8
DATA2
DATA02
C9
2V8_VMEM
DATA3
DATA03
A8
DATA4
DATA04
C8
DATA5
DATA05
B8
DATA6
DATA06
E7
DATA7
DATA07
U100
A7
DATA8
DATA08
C7
1
8
DATA9
DATA09
_CS1
VCC
B7
A1
DATA10
DATA10
C6
2
B1
7
DATA11
DATA11
ADD21
Y1
B6
DATA12
DATA12
D6
3
Y2
B2
6
DATA13
DATA13
_MIDI_CS
A5
DATA14
DATA14
C5
4
A2 5
DATA15
DATA15
GND
D5
_UBS
NL27WZ32USG
C117
NHWR
_UBS
D4
_LBS
NLWR
_LBS
0.1u
C4
_WR
NWR
_WR
B5
_RD
NRD
_RD
D3
_ROM_CS1
NROMCS
_ROM_CS1
B3
_RAM_CS1
R103
NA
NRAMCS
_RAM_CS1
C3
_ROM_CS2
NGPCS0
_ROM_CS2
A2
NGPCS1
_CS1
R104
NA
C10
NDISPLAYCS
A22_H
G2
R105
NA
GPO_2
PCM_EN
H3
GPO_3
PRE_CHARGE_R
H4
GPO_4
HEADSET_EN
H2
GPO_7
JACK_LDO_EN
H6
GPO_8
SPK_SEL
J3
GPO_9
ANT_SW1
J4
GPO_10
ANT_SW2
J2
GPO_11
_BT_RST
J5
GPO_16
PA_EN
L7
GPO_17
PA_BAND
L4
GPO_18
_MIDI_RST
K3
GPO_19
S_EN
M6
GPO_20
S_DATA
K2
GPO_21
S_CLK
E14
GPI
P12
ABBRESET
ABBRESET
P11
GPO_24
R108
0
H10
INT
H9
GPIO_4_INT
L10
BSDI1
L9
BSDO1
K14
CSDO
K15
CSDI1
M16
CSDI2
N16
CSDO_2
K11
BSDO2
K10
BSDI2
L12
MCLKEN
MCLKEN
L13
CLKOUT_GATE
K9
BSOFS2
K8
BSIFS2
J11
BSIFS1
J10
BSOFS1
B10
VCXOEN
CLKON
B9
2V8_VEXT
CLKON
DBB_CLKON
J14
ASFS2
ASFS
J13
ASFS1
J8
ASDO1
J7
R109
ASDI1
H12
ASDI2
NA
H11
ASDO2
U15
D101
DBBON
RPWRON
U14
1
PWRON
RPWRON
N15
3
TXON
TXON
RPWRON
N14
2
GPO_1_TXON
M12
R111
RXON
RXON
N12
R130
KDR331V
GPO_0_RXON
100K
M11
CSFS2
10K
M10
CSFS1
_RESET
R112
R12
RESET
_RESET
A3
200
NRESET
M15
ASM
GPO_6_ASM
ASM
L15
ASM
C121
C122
L14
CLKOUT
MCLK
M14
47n
47n
CLKOUT_MCLK
13MHz
A15
REFBB
E17
AFCDAC
AFC
C16
PA
TX_RAMP
A16
IP
IP
B16
2V8_VCAM
C126
C128
C129
IN
IN
B17
QP
QP
A17
1u
47p
0.068u
QN
QN
T15
R124
SPWR2
P13
NA
SPWR1
M17
AIN1P
VINNORP
N17
AIN1N
VINNORN
P17
AIN2N
AUXIN
R17
AIN2P
AUXIP
R119
L16
AIN3P
REC_P
L17
4.7
C130
AIN3N
H16
AOUT1P
R123
K17
39p
AOUT1N
REC_N
P15
AOUT2P2
4.7
R16
AOUT2P1
SPKP_P
R15
C131
C132
C133
C134
R125
C135
C136
AOUT2N1
P14
AOUT2N2
NA
H17
AUXOP
39p
39p
39p
39p
39p
39p
AOUT3P
AUXOP
J17
AUXON
AOUT3N
AUXON
G11
TDO_ABB
F13
TMS
E13
TDI_ABB
F12
TCK_ABB
C139
C140
C138
39p
39p
39p
OJ100
OJ101
8
9
10
11
- 89 -
12
13
14
15
16
ATLAS + BLUETOOTH + MP3 RING TONE
+ FM Radio + Speaker Phone
_LCD_CS
ADD22
D100
1
DBB_CLKON
3
CLKON
2
BT_MAIN_CLK_EN
R110
KDR331V
10K
LGE Internal Use Only
A
B
C
D
E
F
C
D
E
LG Electronics Inc.
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