Table of Contents
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7. CIRCUIT DIAGRAM
1
2
A
ADD01
3
ADD02
ADD03
ADD04
ADD05
ADD06
B
ADD07
ADD08
ADD09
ADD10
ADD11
ADD12
ADD13
ADD14
ADD15
ADD16
ADD17
ADD18
ADD19
ADD20
ADD21
ADD22
C
ADD23
BT_32K
DATA00
DATA01
DATA02
DATA03
DATA04
DATA05
DATA06
DATA07
DATA08
DATA09
DATA10
DATA11
DATA12
DATA13
D
DATA14
DATA15
_ROM_CS1
_ROM_CS2
RAM_CS
_RAM_CS1
MAIN_CS
_MAIN_CS
ONNOFF
_RD
_RD
_WR
_WR
_LBS
_LBS
_UBS
_UBS
E
C122
9p
_WAIT
MC-146_12_5PF
X100
3
4
2
1
C123
1000p
26M_DBB
PA_BAND
32.768KHz
C124
9p
BT_CTS
VIBRATOR
BT_RTS
TF_DET
_MULTI_INT
_BT_RST
JACK_DETECT
F
13M_AIT
DSR
LCD_ID
CHG_DET
LCD_RESET
AIT_CLKON
DEBUG_RX
2V8_VMEM
DEBUG_TX
USB_DET
BT_DBB_INT
2V8_VEXT
USB_PATH_SEL
LCD_BYPASS
C
USB_DET
DNI
USB_DET
Q100
R116
R115
27K
KRC404E
USC0
USC_1
USC_2
USC3
OVP_VCHG
OVP_VUSB
VBAT
D
C137
1u
C138
1u
C140
22p
C142
C143
R117 680K
BATT_TEMP
C149
0.1u
E
LED
KEY_ROW1
POWERKEY
F
1
2
LG(42)-A-5505-10:01
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
4
5
6
7
1V8_VRTC
R100
2V8_VEXT
VBACKUP
1V8_VCORE
2V8_VMEM
2V85_VSIM
2.2K
C105
C106
C107
C108
0.1u
0.1u
0.1u
C115
C110
C111
C112
C113
C114
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
0.1u
J11
NC7
H10
ADD1
G9
ADD2
G10
ADD3
F9
ADD4
G11
ADD5
F10
ADD6
H12
ADD7
KEYPADROW0
H11
ADD8
KEYPADROW1
F11
ADD9
KEYPADROW2
G13
ADD10
KEYPADROW3
G14
ADD11
KEYPADROW4
G16
ADD12
F16
ADD13
F13
ADD14
G15
ADD15
F14
ADD16
F15
ADD17
E15
ADD18
F17
ADD19
E16
ADD20
E17
ADD21
D19
ADD22
D18
ADD23
C14
GPIO_40
D15
DATA0
D17
DATA1
D16
DATA2
C19
DATA3
C18
DATA4
B19
DATA5
B18
DATA6
C17
DATA7
C16
DATA8
C15
DATA9
B14
DATA10
B15
DATA11
B17
DATA12
B16
DATA13
A14
DATA14
A15
DATA15
C11
NROMCS1
A10
GPIO_44
D11
NRAMCS1
C10
NC11
E9
NC12
C8
NC13
D10
NC14
C9
NC15
B10
GPIO_42
D9
GPIO_43
A16
NRD
B12
NWE
A17
NLWR
A18
NHWR
A11
BURSTCLK
A12
NWAIT
B11
NADV
W4
OSCIN
U103
W3
OSCOUT
B9
CLKIN
F2
AD6726
GPIO_0
F1
GPIO_1
G4
GPIO_2
G3
GPIO_3
G2
GPIO_4
G1
GPIO_5
G5
GPIO_6
H4
NC18
H3
GPIO_8
H1
GPIO_9
H2
GPIO_10
J1
GPIO_11
J2
GPIO_12
J3
GPIO_13
K3
NC19
P4
GPIO_22
CLKOUT_GATE
D6
GPIO_24
K1
GPIO_33
L1
GPIO_34
M1
GPIO_35
N1
GPIO_36
M2
GPIO_37
N2
NC20
L7
NC21
C6
GPIO_47
P3
GPIO_55
N3
GPIO_56
E6
JTAGEN
B5
GPIO_18
D5
GPIO_19
A4
GPIO_20
C5
GPIO_21
F6
USC_0
F5
USC_1
E2
USC_2
E5
USC_3
F3
USC_4
F4
USC_5
G6
USC_6
K14
VCHG
K16
CHGDET
P19
VUSBIN
H17
VUSBCHG
J15
GATEDRIVE
K15
ISENSE
L15
VBATSENSE
T12
NC28
L18
TRKCHG1
L19
TRKCHG2
J14
BATTYPE
W12
CRST
1u
J19
REF
1u
L16
REFBB
K17
NC29
M18
REFCHG
N13
TEMP1
P13
TEMP2
L13
BATTEMP
M13
AUXADC1
M14
AUXADC2
R18
LIGHT1
R17
NC30
R16
LIGHT3
R12
KEYOUT
R11
KEYON
M12
TCK
L10
NC31
L12
NC32
N12
NC33
3
4
5
6
7
8
9
10
11
VBAT
2V8_VEXT
VUSB
2V8_VEXT
C100
C104
10u
C101
C102
C103
0.1u
C109
1u
10u
10u
0.1u
T2
KEYPADCOL0
KEY_COL0
U2
KEYPADCOL1
KEY_COL1
V3
KEYPADCOL2
KEY_COL2
R3
KEYPADCOL3
KEY_COL3
T3
KEYPADCOL4
KEY_COL4
R1
KEY_ROW0
T1
KEY_ROW1
U1
KEY_ROW2
V1
KEY_ROW3
R2
KEY_ROW4
T4
VUSB
MC_CLK
U3
MC_CMD
U4
MC_DATA0
T5
MC_DATA1
U5
MC_DATA2
V4
MC_DATA3
A7
DMINUS
ADI_USBDM
A8
DPLUS
ADI_USBDP
B6
SIMDATAIO
SIM_DATA
D8
SIMCLK
SIM_CLK
B7
GPIO_23
SIM_RST
A3
GPO_2
_MULTI_RST
B4
GPO_3
D4
NC8
C4
NC9
B2
GPO_8
MIC_PATH_SEL
B3
GPO_9
ANT_SW
A2
GPO_10
C1
GPO_11
_CHG_EN
C2
GPO_16
PA_EN
C3
NC10
D3
GPO_18
PCM_EN
E3
GPO_19
S_EN
D2
GPO_20
S_DATA
E4
GPO_21
S_CLK
K2
GPO_22
BT_LDO_EN
L2
GPO_23
LCD_DIM_CTRL
T9
CSFS_DBB
U9
CSFS_ABB
R8
CSDO_DBB
R9
CSDI_ABB
K11
CSDI_DBB
K12
CSDO_ABB
P7
2V8_VMEM
BSOFS_DBB
P8
BSIFS_ABB
M10
BSDO_DBB
M11
BSDI_ABB
N10
2V8_VEXT
BSIFS_DBB
C121
N11
BSOFS_ABB
0.1u
N8
BSDI_DBB
N9
U101
BSDO_ABB
P9
TC7SH08FS
ASFS_DBB
5
P10
1
VCC
ASFS_ABB
_ROM_CS2
L8
4
ASDO_DBB
L9
3
ASDI_ABB
_ROM_CS1
GND
M8
ASDI_DBB
2
M9
ASDO_ABB
H6
GPIO_14
I2C_SCL
H7
MSCLK
J6
GPIO_15
I2C_SDA
J7
MSFS
K7
NC16
K8
MSDI
L3
GPO_6
R7
NC17
T7
D100
ASM
1
T6
GPO_1
DBB_CLKON
U6
3
TXON
CLKON
W6
2
GPO_0
BT_MAIN_CLK_EN
W7
RXON
H8
R108
CLKON
DBB_CLKON
KDR331V
H9
VCXOEN
CLKON
DNI
T8
GPO_29
U8
ABBRESET
R10
T10
MCLKEN
U7
CLKOUT
V7
MCLK
D101 RB521S-30
V5
PWRON
R110
100K
RPWRON
V6
DBBON
J10
GPIO_48
K10
INT
J8
NRESET
_RESET
K9
R112
3300
RESET2P8
J9
NC22
V8
1V8_VGP
VUSB
2V5_VMIC
2V85_VSIM
2V75_VVCXO
2V8_VEXT
2V8_VMEM
1V8_VCORE
1V8_VRTC
VCOREFB
W8
VCOREOUT
W13
VMEMFB
V12
VMEM_REG
V11
VEXT_REG1
W11
VEXT_REG2
M19
VRF
V14
VSIM_REG
W15
VRTC
U19
VMIC
T19
VUSB_REG
W14
VGP
N18
C126
2.2u
C129
C130
C131
C132
C133
C134
C135
C136
VABB
P18
27p
0.1u
NC23
1u
1u
1u
1u
1u
1u
C127
C128
N19
NC24
1u
1u
V17
NC25
L14
NC26
U12
VMEMSEL
T11
VRTCSEL
T13
NC27
E19
PA
TX_RAMP
K18
AFCDAC
AFC
G19
QP
QP
C139
F19
QN
QN
C141
47p
H18
IP
IP
39p
VINNORP
J18
IN
IN
VINNORN
U18
AIN1P
AUXIP
U17
AIN1N
AUXIN
C144
C145
V18
AIN2P
39p
39p
V19
AIN2N
C146
C147
C148
W18
R118
4.7
ACCDETECT
ACC_DET
18p
18p
18p
U16
JACKSENSE
M15
AIN3L
N14
AIN3R
REC_P
C150
0.1u
M16
AIN3C
N17
AOUT1P
N16
AOUT1N
REC_N
T14
AOUT2P1
U14
C151
C152
AOUT2P2
ABB_P
T15
47p
47p
AOUT2N1
ABB_N
U15
AOUT2N2
M17
AOUT3L
AUXOP_L
C153
C154
N15
AOUT3R
AUXOP_R
39p
39p
C155
C156
39p
39p
8
9
- 91 -
12
13
14
15
16
MEMORY(SPANSION_256)
(256NOR + 64PSRAM)
EUSY0288701
U100
S71PL256NC0_TLA084
G2
J3
ADD01
A0
DQ0
DATA00
F2
G4
ADD02
A1
DQ1
DATA01
E2
K4
ADD03
A2
DQ2
DATA02
D2
H5
ADD04
A3
DQ3
DATA03
F3
H6
ADD05
A4
DQ4
DATA04
E3
K7
ADD06
A5
DQ5
DATA05
D3
G7
ADD07
A6
DQ6
DATA06
C3
J8
ADD08
A7
DQ7
DATA07
C7
K3
ADD09
A8
DQ8
DATA08
E7
H4
ADD10
A9
DQ9
DATA09
F7
J4
ADD11
A10
DQ10
DATA10
C8
K5
2V8_VMEM
ADD12
DATA11
A11
DQ11
D8
J7
ADD13
A12
DQ12
DATA12
E8
H7
ADD14
A13
DQ13
DATA13
F8
K8
ADD15
A14
DQ14
DATA14
D9
H8
2V8_VMEM
ADD16
A15
DQ15
DATA15
G9
ADD17
A16
F4
J5
ADD18
A17
F_VCC1
E4
L5
ADD19
A18
F_VCC2
D7
ADD20
A19
E6
J6
ADD21
A20
R_VCC
E9
ADD22
A21
F9
G3
ADD23
A22
VSS1
TP100
F6
J9
_ROM_CS1
A23
VSS2
K2
A1
RFU16
DNU1
K6
A10
RFU17
DNU2
K9
M1
RFU18
DNU3
L2
M10
RFU19
DNU4
2V8_VMEM
L3
RFU20
L4
B2
RFU21
RFU1
L6
B3
RFU22
RFU2
L7
B4
RFU23
RFU3
L8
B5
RFU24
RFU4
L9
B6
RFU25
RFU5
B7
RFU6
H3
B8
_RD
_OE
RFU7
C6
B9
_WR
_WE
RFU8
C4
C2
_LBS
R__LB
RFU9
D4
C9
_UBS
R__UB
RFU10
D6
F5
R_CE2
RFU11
C116
C117
C118
C119
H2
G5
_ROMCS1
F__CE
RFU12
0.1u
0.1u
0.1u
0.1u
J2
G6
_RAM_CS1
R__CE1
RFU13
C5
G8
_WP_ACC
RFU14
R104
100ohm
D5
H9
_RESET
F__RST
RFU15
E5
_WAIT
RY__BY
C120
1000p
_ROMCS1
VBAT
VCHG_IN
VBAT
2V8_VEXT
UA100
VBUS_IN
3G
2.5G
1
GND
GND
2
C125
R109
RX
RX
USC_1
3
DNI
DNI
TX
TX
USC_2
U102
4
SLAS4717EPMTR2G
VCHAR
NC1
5
ON_SW
ON_SW
RPWRON
1
10
6
VCC
NO2
ADI_USBDM
VBAT
VBAT
7
PWR
R111
NC2
2
9
8
ADI_USBDP
DNI
URXD
NC3
USBDM
NO1
COM2
9
R113
BB_USBDM
UTXD
NC4
USBDP
DNI
3
8
10
COM1
IN2
USB_DET
DSR
DSR
11
BB_USBDP
RTS
12
4
7
IN1
NC2
DEBUG_RX
CTS
5
6
DEBUG_TX
NC1
GND
TEST TP
SCREW HOLE
TP101
DSR
TP102
USC_1
OJ100
OJ101
TP103
USC_2
TP104
RPWRON
A
B
C
D
E
F
C
D
E
LGE Internal Use Only
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