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7. CIRCUIT DIAGRAM
1
1
2
2
3
3
4
4
A
A
AP_VDD_IO_2.7V
B
B
SW400
SW401
KEY_ROW(0)
SW403
SW404
KEY_ROW(1)
SW406
SW407
C
C
KEY_ROW(2)
SW409
SW410
KEY_ROW(3)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
D
D
AP_VDD_IO_2.7V
E
E
KEY_ROW(0:3)
R414
R415
3.3K
3.3K
F
F
A6
KEY_COL(4:7)
Wake_INP6
B5
Wake_INP7
KEY_COL(4)
A5
KEY_COL(5)
K_Out4
U404
B4
K_Out5
LM8333GGR8_NOPB
KEY_COL(6)
A4
K_Out6
KEY_COL(7)
A3
K_Out7
B3
Gen_IO_2
A2
Gen_IO_3
C
C
C418
C419
0.1u
0.1u
AP_VDD_IO_2.7V
D
D
VUSB_3.1V
U406
SLAS4717EPMTR2G
1
10
VCC
NO2
2
9
MSM_USB_D+
NO1
COM2
E
E
3
8
USB_D+
COM1
IN2
4
7
USB_SW
IN1
NC2
5
6
AP_USB_D+
NC1
GND
F
F
USB SWITCH
1
1
2
2
3
3
4
4
LG(42)-A-5505-10:01
LG(42)-A-5505-10:01
LGE Internal Use Only
5
5
6
6
7
8
PON
CN400
1
KEY_ROW(0)
2
KEY_COL(3)
3
KEY_ROW(1)
4
SW402
AP_+VPWR
SW405
LD400
SW408
SSC-TWH104-HLS
LD402
CN401
SW411
1
SSC-TWH104-HLS
2
KEY_ON_SW_N
3
LD404
KEY_COL(3)
4
KEY_ROW(2)
SSC-TWH104-HLS
LD406
SSC-TWH104-HLS
KPD_DRV_N
VA400
EVL14K02200
R413
100K
1
FOLDER_DETECT
2
C413
1u
3
I2CSCL1
I2CSDA1
FOLDER_SENSE
AP_VDD_IO_1.8V
KEY_COL(3:0)
KEY_COL(3)
G5
K_Out3
KEY_COL(2)
G4
K_Out2
KEY_COL(1)
F4
K_Out1
KEY_COL(0)
G3
K_Out0
F3
_RESET
KEYCODER_RSTN
G2
TP406
Int_Rx
G1
WD_Out
F2
Int_Tx
KEYCODER_INT
C416
TP407
0.1u
WM_ADCDAT
WM_DACDAT
WM_LRC
WM_BCLK
AP_VDD_IO_1.8V
MSM_USB_D-
C422
USB_D-
PM_SCL
0.1u
PM_SDA
AP_USB_D-
2M_PWDN_AP
2M_RSTN_AP
VGA_STANDBY_AP
TP420
5
5
6
6
7
7
8
8
9
10
11
12
AP_VDD_BT_2.7V
AP_VDD_BT_2.7V
AP_+VPWR
U400
MIC5219-2.7YM5
1
5
IN
OUT
X400 CSC3M192000EEVRS00
BT_RESETN
2
4
3
GND
VDD
OUT
3
4
1
2
EN
BYP
TRI_OPEN
GND
CLK32K
19.2MHz
C401
C402
C403
C400
0.1u
1u
470p
33u
UTXD0
URTS0N
PCMCLK
PCMSYNC
PCMDATAIN
PCMDATAOUT
LD401
R402 100ohm
R403 100ohm
AP_VDD_BT_2.7V
SSC-TWH104-HLS
LD403
R405
100ohm
R406
100ohm
AP_VDD_IO_1.8V
SSC-TWH104-HLS
LD405
R408 100ohm
R409 100ohm
SSC-TWH104-HLS
LD407
R411
100ohm
R412
100ohm
SSC-TWH104-HLS
AP_VDD_IO_2.7V
U402
A3212EEH-T
6
OUTPUT
VDD
5
NC1
NC2
C414
4
GND2
0.1u
7
GND1
PGND
EUSY0200301
AP_VDD_IO_2.7V
U405
ST2378EBJR
E1
E4
VL
VCC
E2
E3
C417
IOVL1
IOVCC1
D1
D4
IOVL2
IOVCC2
0.1u
PCMDATAOUT
D2
D3
IOVL3
IOVCC3
PCMDATAIN
C1
C4
IOVL4
IOVCC4
PCMSYNC
C2
C3
IOVL5
IOVCC5
PCMCLK
B1
B4
IOVL6
IOVCC6
B2
B3
IOVL7
IOVCC7
A1
A4
IOVL8
IOVCC8
A3
A2
GND
OE
LEVEL_SHIFT_EN
AP_VDD_IO_2.7V
C421
U407
ST2378EBJR
E1
E4
R420
1K
R421
1K
VL
VCC
0.1u
I2CSCL0
E2
E3
IOVL1
IOVCC1
I2CSDA0
D1
D4
IOVL2
IOVCC2
2M_PWDN
D2
D3
IOVL3
IOVCC3
2M_RSTN
C1
C4
TP419
IOVL4
IOVCC4
C2
C3
IOVL5
IOVCC5
VGA_STANDBY
B1
B4
IOVL6
IOVCC6
B2
B3
IOVL7
IOVCC7
A1
A4
IOVL8
IOVCC8
A3
A2
TP421
GND
OE
LEVEL_SHIFT_EN
9
9
- 194 -
13
14
15
16
U401
STLC2500C
TP400
D3
RESET_N
D6
REF_CLK_IN
G3
LP_CLK
C4
CLK_REQ_OUT_1
C5
BT_WAKEUP
F5
F6
UART_RXD
UART_TXD
URXD0
G4
F4
UCTS0N
UART_CTS
UART_RTS
D1
PCM_CLK
C2
PCM_SYNC
D2
PCM_A
E1
PCM_B
B3
GPIO_16
C3
GPIO_8
B1
B2
GPIO_9
GPIO_11
C1
GPIO_10
D5
A2
GPIO_0
VSS_RF1
E6
A5
CLK_REQ_IN_1
VSS_RF2
G6
CLK_REQ_IN_2
F7
DEA212450BT-7043C1
HOST_WAKEUP
FL400
ANT400
R401
E2
A3
CONFIG_1
RFP
NC1
F2
A4
5
1
R404
0
CONFIG_3
RFN
BP1
U_BP
FEED
NC2
F1
CONFIG_2
0
4
2
BP2
BP_DC
G7
CLK_REQ_OUT2
A6
TOUT_IP_QN
B5
E3
TOUT_IN_QP
VSS_DIG1
E4
VSS_DIG2
G2
VDD_D
G5
VDD_IO_A
F3
VDD_IO_B
E7
VDD_CLD
B4
0
VSS_ANA1
A7
B6
VDD_HV_A
VSS_ANA2
C6
R715
VSS_ANA3
G1
VDD_HV_D
B7
VDD_DSM
C7
VDD_N
D7
E5
VDD_CL
AF_PRG
A1
VDD_RF
UART SWITCH
AP_VDD_IO_2.7V
R450
NA
R417
R451
R416
100K
100K
NA
U403
1
12
UART_TXD
A0
VCC2
2
9
UTXD2
0B0
VCC1
11
0B1
MSM_UART_TXD
4
10
UART_RXD
A1
S0
UART_SW
5
URXD2
1B0
3
8
GND1
1B1
MSM_UART_RXD
6
7
GND2
S1
C415
NLAS3158MNR2G
0.1u
JTAG-JIG-FPCB-CON
VREG_MSMP_2.7V
CN402
G1
1
20
2
19
JTAG_PS_HOLD
3
18
MSM_RESIN_N
4
17
MSM_TDO
AP_TDO
5
16
MSM_RTCK
AP_RTCK
6
15
MSM_TCK
AP_TCK
7
14
MSM_TMS
AP_TMS
8
13
MSM_TDI
AP_TDI
9
12
MSM_TRST_N
AP_TRST_N
10
11
G2
Section
Section
Date
Date
Sign & Name
Sign & Name
MAY
MODEL
MODEL
JOY 1.3
Designer
Designer
LGE
LGE
2006
Checked
Checked
DRAWING
DRAWING
BT & KEYCODER
NAME
NAME
Approved
Approved
USB SW & LEVEL SHIFTER
DRAWING
DRAWING
LG Electronics Inc.
LG Electronics Inc.
NO.
NO.
LG Electronics Inc.
LG Electronics Inc.
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
A
B
C
D
E
F
C
C
D
D
E
E
Sheet/
Sheet/
Sheets
Sheets
4/7
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