Table of Contents
Advertisement
7. CIRCUIT DIAGRAM
16
15
14
L
K
J
P100
PGND
AM34
E_GND
E9
APC
APC
F20
IP
D20
IN
E19
QP
I
F18
QN
E31
GSM850P
GSM850P
D32
GSM850N
GSM850N
D30
GSM900N
GSM900N
C31
GSM900P
GSM900P
D28
DCS1800P
DCS1800P
C29
DCS1800N
DCS1800N
C27
PCS1900N
PCS1900N
D26
PCS1900P
PCS1900P
C25
GSM_OUT
TXO_LB
D24
DCS_PCS_OUT
TXO_HB
H
P34
BPI_BUS5_GPIO82
U29
PA_EN
BPI_BUS4_GPIO81
P32
BPI_BUS3
T30
BPI_BUS2
N33
BAND_SW2
BPI_BUS1
R31
BAND_SW1
BPI_BUS0
J31
RFVCO_MT
M32
BT_CLK26M
FREF
VUSB
H6
C103
4.7u
AU_VCM
Y6
CHG_EN
PWM
TSX-3225 26MHZ_7_4PF
26MHz
K34
XTAL1
FB102
2
1
L33
G
XTAL2_GND
VA
VCORE_PMU
3
4
1800
X102
V4
AVDD_RTC
T4
AVDD33
D8
FB101
AVDD28_PLL
C135
C7
1800
AVDD28_RFE
1u
VCORE_PMU
D6
AVDD28_MBUF
D4
AVDD28_AFE
T6
AVDD12
W3
C106
C134
VDDK1
AK12
VA
VIO
VMMC
100n
1u
C108
VDDK2
VTCXO
Y30
100n
VM
VDDK3
AK4
VDD33_1
R29
F
VDD33_2
AM8
VDD33_MSDC
R108
51
AJ19
VDD33_EMI
P30
VDD28_RFD
M30
VDD28_DCXO
K32
C109
VDD28_SX
C110
C107
C115
J33
100n
VDD28_RFVCO
100n
100n
100n
H30
VRF_1
VDD28_RXFE
F24
VDD28_TRXIF
F22
VDD28_TXVCO
E21
VDD28_OPLL
VDD28_OPLL
N31
VDD15_RFD
VBAT
C113
1u
D18
E
VBAT_RF
E17
VBAT_A
E15
VRF
VBAT_D1
F16
VBAT_D2
N3
VBAT_SWREG
VDD28_OPLL
F2
FB105
600
VBAT_AMP1
VRF_1
G3
FB104
1000
VBAT_AMP2
R125
0
C104
C105
E13
GATEDRV
FB103
10u
1u
F12
75
CHRIN
VBUS_REG
A9
BATSNS
VBAT
A7
Close to VDD28_OPLL
ISENSE
C151
C150
1u
D
5.6p
Close to VDD28_RFVCO
C
B
OJ100
OJ101
A
16
15
14
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
13
12
11
10
9
VDD33_EMI / 1.8V
U102
MT6253
VDD33_MSDC
VSIM/VSIM2
VMMC
C141
1u
F_MODE
R129
100K
VIO
R119
100K
X101
FC-135
1
2
32.768KHz
C102
C101
LOW : DEMUX
27p
22p
HIGH : MUX
13
12
11
10
9
8
7
6
5
MICBIAS
K6
AU_MICBIAS
B2
AU_IN1_P
HP_MICP
C1
AU_IN1_N
HP_MICN
D2
AU_IN0_N
MAIN_MICN
E3
AU_IN0_P
MAIN_MICP
F4
AU_FMINR
FM_AUDIO_R
G5
AU_FMINL
FM_AUDIO_L
F6
AU_OUT0_N
RCV_SUB_N
E5
AU_OUT0_P
RCV_SUB_P
F8
AU_MOUTL
AU_MOUTL
C3
AU_MOUTR
AU_MOUTR
J3
SPK1_P
K4
SPK1_N
C120
C121
C124
C125
C152
C153
47p
47p
47p
47p
47p
47p
R117
5.1K
R3
PAD_VRT
U5
DP
USB_DP
V6
USB_DM
DM
AA5
VIO
KCOL6_GPIO1
AB6
KCOL5_GPIO2
Y2
KCOL4_GPIO3
KEY_COL4
AB4
KCOL3_GPIO4
KEY_COL3
AA3
R130
R131
KCOL2_GPIO5
KEY_COL2
AC5
KCOL1_GPIO6
KEY_COL1
2.2K
2.2K
AA1
I2C_SDA2
KCOL0_GPIO7
KEY_COL0
AD4
KROW5_GPIO8
I2C_SCL2
AB2
KROW4_GPIO9
KEY_ROW4
VIO
AC3
KROW3_GPIO10
KEY_ROW3
AD6
KROW2_GPIO11
KEY_ROW2
AD2
KROW1_GPIO12
KEY_ROW1
AE3
KROW0_GPIO13
KEY_ROW0
R123
R124
AM4
UTXD1
UART_TXD
AJ7
2.2K
2.2K
URXD1
UART_RXD
T32
URTS1_B_GPIO25
I2C_SDA1
V30
UCTS1_B_GPIO24
I2C_SCL1
AN3
UTXD2_GPIO23
AL3
URXD2_GPIO22
LCD_VSYNC
AM2
UTXD3_GPIO21
BT_TXD
AJ5
URXD3_GPIO20
BT_RXD
C15
VM_SEL
AL21
WATCHDOG
MEM_RESET
AE5
SECURITY_EN
AF2
SRCLKENAI_GPIO77
BTCLK_EN
U3
TEST_MODE
Y4
SYSRST_B
SYS_RESET
AK8
JTMS
TMS
AM6
JTDI
TDI
AJ9
JTCK
TCK
AL7
JTRST_B
TRST
AP6
VCORE_PMU VTCXO
VRF
VA
VM
VIO VCAMA
VCAMD VUSB
VSIM1
VSIM2
RTCK
JRTCK
AL5
JTDO
TDO
L101
2.2u
N1
VCORE1
R5
VCORE1_FB
D22
VTCXO
B22
VRF
A21
VA
B20
VM
C19
VIBRATOR
B18
VIO
C21
VCAMA
C17
VCAMD
D16
VUSB
A17
VSIM
B16
VSIM2
B14
VREF
A13
BAT_BACKUP
C149
C136
C137
C138
C139
C140
C142
C143
C144
C145
C146
C147
1u
C148
10u
1u
1u
1u
1u
1u
1u
1u
1u
1u
4.7u
0.1u
R120
5.6K
BAT101
V_BUS
Back-up Battery
UART1
VBAT
3G
2.5G
1
GND
GND
2
RX
RX
UART_RXD
3
TX
TX
UART_TXD
4
VCHAR
NC1
5
ON_SW
F_MODE
ON_SW
6
VBAT
VBAT
7
PWR
NC2
8
URXD
NC3
9
UTXD
NC4
10
UART_RXD
TP106
DSR
11
TP103
RTS
UART_TXD
12
TP104
CTS
F_MODE
TP105
V_BUS
8
7
6
5
- 109 -
4
3
2
1
MEMORY
(256 NOR / 64 pSRAM : AD MUX type)
VM
VM
U101
PF38F4050M0Y3DE
A1
NC1
H8
A14
P_CRE
NC2
C3
NC3
TP107
D3
C12
NWAIT
WAIT_
NC4
H3
NC5
TP114
C7
H12
NLB
R_LB_
NC6
TP113
C8
K1
NUB
R_UB_
NC7
TP102
H7
K14
NRAM_CS
R_CS_
NC8
D6
G12
TP111
MEM_CLK
AD00
CLK
ADQ0
G11
TP112
AD01
ADQ1
TP100
D8
F9
NWR
WE_
ADQ2
AD02
TP101
F12
F8
NRD
OE_
ADQ3
AD03
G7
ADQ4
AD04
TP108
E6
G6
NADV
AVD_
ADQ5
AD05
F5
AD06
ADQ6
TP109
E11
F4
AD07
NROM_CS
F1_CE_
ADQ7
C4
F11
AD08
F2_CE
ADQ8
F10
AD09
ADQ9
TP110
E8
G9
MEM_RESET
F_RST_
ADQ10
AD10
R102
100K
E9
G8
F_WP_
ADQ11
AD11
R103
100K
H11
F7
F_DPD
ADQ12
AD12
F6
AD13
ADQ13
D7
G4
AD14
VCC
ADQ14
G3
AD15
ADQ15
E3
VCCQ1
G10
E4
VCCQ2
A16
AD16
H4
D11
VCCQ3
A17
AD17
E10
A18
AD18
D5
D10
R104
AD19
VSS1
A19
E12
E5
100K
AD20
VSS2
A20
F3
D4
AD21
VSS3
A21
G5
D12
AD22
VSS4
A22
E7
A23
AD23
D9
C11
VPP
A24
EUSY0368505
C116
C112
C117
1u
1u
0.1u
ON-Board JTAG, USB Debug Interface
VIO
VBAT
CN101
G1
G2
1
30
2
29
3
28
4
27
TRST
5
26
TDI
6
25
TMS
7
24
TCK
8
23
RTCK
9
22
TDO
10
21
SYS_RESET
11
20
UART_RXD
12
19
UART_TXD
13
18
14
17
15
16
G3
G4
4
3
2
1
LGE Internal Use Only
L
K
J
I
H
G
F
E
D
C
B
A
Advertisement
Table of Contents
