LG KE820 - Page 122

- 123 -
T.K.CHOI
F
DOC CTRL CHK:
5 73
MULTI-PORT SWITCH 2
6 8
v1.0
18PIN MUILTIPORT RECEPTACEL
MFG ENGR CHK:
REV. G
1608
9105 8
N.A.
1
B
D
1608
Drawn by:
D
QA CHK:
2
A
Size:
12
H
G
Page:
7
USB CHARGING CIRCUIT WITH INDICATE LED
E
KEYPAD
W.J.KIM
G
Engineer:
MICRO SD SOCKET
LG Electronics
11
Time Changed:
B
BACK UP BATTERY 2V 0.5mAh
Drawing Number:
2
FM RADIO
R&D CHK:
12
TITLE:
4
E
10
H
MAIN PCB & SUB PCB INTERFACE CONNECTOR
3
HANDSET MICROPHONE
Date Changed:
1
F
5:31:08 pmTuesday, November 22, 2005mentor 1/5
KE820
12 1 8 A
A3
A
C
Changed by:
4
119
6
BLUETOOTH
REV:
C
KEY BACKLIGHT LEDS
0.1u
C100
R109
1.5K
VA100
C161
2p
R185 0
1V8_MEM
SP0102BE3
MIC100
G1
2
3
G2
5
G3
1
OUT
PWR
4
VD
VIO
12
7
_RST _SEN
8
FB100
14
17
GND5
GND6
24 21
GPIO1 GPIO2
20 19
GPIO3
LOUT
16
NC1
22 23
NC2
25
PGND
11
RCLK
3
RF_GND
15
ROUT
9
SCLK SDIO
10
VA
18
13
SI4701
U105
FMIN
4
FMIP
2
1
GND1
5
GND2
GND3
6
GND4
VBUS_USB
47R162
100nH
L105
C101
C165 27p
0.1u
ZD4
103
1V8_MEM
0.1uC154
R141
220K
330
1000p
2V72_IO
R131
C104
C156
0.1u
R129
1.8nH
2V85_CARD
R135
100K
C152
NA
C109 10u
COM1
3
COM2
9
6
GND
4
IN1
8
IN2
NC1
5
7
NC2
2
NO1
10
NO2
1
VCC
U106 NLAS5223BMNR2G
27p
LD102
C126
R142
39K
C103 27p
L108
10u
100nH
C112
100K
R137
C153 0.1u
R163 47
1KR116
0.1u
C119
ZD3
C155
27p
680R143
R132
100K
NAR117
1u
L110 100nH
47R160
C148
CLEAR
100p
C115
73
74
75
76
77
78
79
8
80
9
G1 G2
G3 G4
59
6
60
61
62
63
64
65
66
67
68
69
7
70
71
72
44
45
46
47
48
49
5
50
51
52
53
54
55
56
57
58
3
30
31
32
33
34
35
36
37
38
39
4
40 41
42
43
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
CN101
1
10
11
12
13
14
R108 47K
102
R150
10K
VCHG
0.1u
C118
C128
104
100p
100K
R180
2.2uC129
C130 100p
47R119
D1 6
3D2
G125G2
1S1
S2 4
NTJD4105CT1GQ1
C151
108
27p
FB102
L104
100nH
KDS121E
3
1
2
D1
ZD6 ZD5
0.1uC131
C102
100p
CMD_DI
COMMON
DAT0_DO
DAT1_RSV
DAT2_RSV
DETECT
DUMMY1
DUMMY2
VDD
VSS
SCHA1B0102
S100
CD_DAT3_CS
CLK_SCLK
3
4
5
6
7
8
9
101
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
CN100
100nHL111
109
1uF
C143
VBAT
L112 100nH
2V85_IO2
BAT100
C134
NA
100pC144
TP105
FB101
100
27pC167
C122
C157
1u
0.1u
R144 680
R110
220K
2V85_CARD
2
GND
14
5
VCC
47
R103
U107
TC7SH04FS
VBACKUP
STAR
2V72_IO
UB
27pC166
DBF71B601 FL101
3
B1
4
B2
DC
2
5
G1
6
G2
1
R118 47
680R153
VBAT
R184 47
R120 0
680R149
100K
R134
0.1u
C147
27p
1V5_CORE
VBUS_USB
C111
27p
C110
F101
C123
0.01u
100K
R136
100nHL100
VBAT
L113 100nH
0.1u
C121
NA
C135
U104 ISL6294
BAT
8
GND
5
6
IMIN
7
IREF
PGND
9
1
VIN
_CHG
3
4
_EN
_PPR
2
C120
0.1u
R181
0
2V72_IO
R128
47R183
680
100p
R148
SEND
L107 100nH
VBAT
1K
R178
1V5_CORE
2V65_ANA
C160
LD105
2.2u
C168
0.1u
47R165
VA101
R151
106
680
107
2V85_IO2
C105 0.1u
680R152
22p
C142
C141
0.1u
100nHL109
LD107LD108
VA102
C117
100p
10KR106
GND1 GND2
IN OUT
47R164
VCHG
LFB212G45SG8A166
FL100
SHARP
2.2KR111
R133
100K
C125
2V72_IO
VCHG 2V72_IO
27p
C114
0.1u
LD101
47R158
R182 47K
C169
100p
COM5
3
GND IN
1
4NC
NO 6
VCC
2
2V65_ANA
ANT100
NLAST4599DFT2G
U108
C108 10u
R177
10K
1M
R102
105
C124
34
2V72_IO
1000p
WAKEUP_BT_P1_7
WAKEUP_HOST_P1_8
B1
SML-521MUWT86
LD100
12
E1
E2
VDDRFREG2
F1
VDDSUP
VDDUART
H9
VDD_1
A8
B3
VDD_2
D4
VSS1 VSS2
D5 D6
VSS3 VSS4
E6
F6
VSS5
VSSRF1
F4
E5
VSSRF2
VSSRF3
F5
VSSRF4
E4
F2
VSSVCO
B2
J2
TX_CONF_P0_14
H7
TX_CONF_RXON
A2
G8
UARTCTS UARTRTS
J8 J7
UARTRXD
UARTTXD
H8
J6
VCOCAP1
H6
VCOCAP2
VDDC1
F9
B5
VDDC2
D2
VDDCREG
E9
VDDPCM
VDDPLL
H1
G2
VDDPMREG
H4
VDDRF
VDDRFREG1
PSEL0
PSEL1
B8
D1
RESET_
RFIO
J4 J5
RFIOX
RFOUT
H5
RTCK
B9
SCL0_P0_13
C9
SLEEPX_P0_15
F8
TCK
B7
TDI
A7
B6
TDO
B4
TMS
A6
TRST_
TXA1
J3
H3
TXA2 TXAX
U102
C2
CLK32_P1_5
G1
CLKIN_XTAL
A5
JTAG_
H2
LOAD
NC1
A1 A9
NC2
J1
NC3 NC4
J9
C1
P1_6
PAON
A4
PCMCLK
D9 D8
PCMFR1
C8
PCMFR2_SDA0_P0_12
PCMIN
G9 E8
PCMOUT
A3
PMB8753
ZD2
ZD7
27pC163
0R122
27p
F100
C132
C113 27p
VBALUN
L102 100nH
1V8_MEM
2V65_BT
C116
0.1u
10K
R168
47
2V72_IO
C140
2V65_ANA
R157
0.1u
2V85_IO2
C162 27p
100KR130
10u
C127
R176
0
R127
1.8nH
VBUS_USB
VBALUN
0.1u
C149
LMV7291MGX-NOPB
U100
GND
2
1
OUT
5
VCC
VIN+
3
4
VIN-
10K
L101 100nH
R105
ZD1
2V85_IO2
2V72_IO
LD103
C133
100p
R107 22K
27p
LD106
2V65_BT
C164
R159 47
680R154
TP111
JACK_DETECT
47R156
MULTI_PORT_2
HS_OUT_R
RTS_0
CTS_0
MULTI_PORT_3
HS_OUT_L
FM_ANT
MULTI_PORT_2
MULTI_PORT_1
MULTI_PORT_0
JACK_TYPE
JACK_DETECT
CHG_LED_CTRL
CHG_LED_CTRL
VBUS_USB
_USB_EOC
TF_CMD
TF_CLK
TF_DAT0
TF_DAT1
TF_PWR_EN
TF_PWR_EN
KEY_BACKLIGHT
CLK32K
TF_DETECT
TF_DAT2
TF_DAT3
TX_DEBUG
RX_DEBUG
MULTI_PORT_3
FM_INT
_USB_EOC
TF_DETECT
CLK32K
RX_DEBUG
USIF_TXD
FM_SND_R
FM_SND_L
FM_INT
FM_SND_L
SCL
SDA
_FM_RESET
FM_ANT
FM_SND_R
USIF_RXD
TX_DEBUG
MULTI_PORT_1
CTS_0
RTS_0
MIC2_N
MIC2_P
JACK_TYPE
I2S1_CLK
I2S1_WA
I2S1_RX
I2S1_TX
BT_VCXO_EN
_BT_RESET
BT_CLK
MIC1_N
KP_IN(1)
KP_IN(2)
KP_IN(3)
KP_IN(4)
VMICP
VBACKUP
HOOK_DETECT
KP_IN(1:4)
KP_OUT(0:3)
HS_OUT_R
HS_OUT_L
JACK_DETECT
RPWRON_EN
DSR
MULTI_PORT_0
SCL
SDA
KP_OUT(0)
KP_OUT(1)
KP_OUT(2)
KP_OUT(3)
_FM_RESET
MIC1_P
TF_CMD
TF_CLK
TF_DAT0
TF_DAT1
TF_DAT2
TF_DAT3
KEY_BACKLIGHT
RPWRON_EN
DSR
MIC2_N
MIC2_P
HOOK_DETECT
VMICN
USIF_TXD
USIF_RXD
CLK32K
BT_CLK
I2S1_CLK
I2S1_WA
I2S1_TX I2S1_RX
_BT_RESET
BT_VCXO_EN
KP_IN(1:4)
KP_IN(1)
KP_IN(2)
KP_IN(3)
KP_IN(4)
KP_OUT(0:3)
KP_OUT(0)
KP_OUT(1)
KP_OUT(2)
KP_OUT(3)
VMICN
MIC1_P
MIC1_N
VMICP
7. CIRCUIT DIAGRAM