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7. CIRCUIT DIAGRAM
1
2
BLUETOOTH
A
B6
TDO
SCL0_P0_13
2V65_BT
1V5_CORE
1V8_MEM
VBALUN
A7
TDI
PCMFR2_SDA0_P0_12
B4
TMS
SLEEPX_P0_15
B7
TCK
CLK32_P1_5
A6
TRST_
B9
RTCK
WAKEUP_HOST_P1_8
A5
JTAG_
WAKEUP_BT_P1_7
B
F1
VDDSUP
U102
D2
VDDCREG
PMB8753
A8
VDD_1
B3
VDD_2
F9
VDDC1
B5
VDDC2
G2
VDDPMREG
TX_CONF_RXON
H4
VDDRF
E1
VDDRFREG1
E2
VDDRFREG2
H1
VDDPLL
J6
VCOCAP1
H6
VCOCAP2
C118
C119
C120
C121
C122
C123
C124
0.1u
0.1u
0.1u
0.1u
0.1u
0.01u
1000p
C
BT_CLK
KEY BACKLIGHT LEDS
D
VBAT
C168
0.1u
LD108
LD107
LD106
LD105
LD103
LD102
LD101
E
CHG_LED_CTRL
R181
KEY_BACKLIGHT
0
F
KEYPAD
KP_IN(1:4)
100
101
KP_IN(1)
R143
680
G
103
104
KP_IN(2)
R144
680
106
107
KP_IN(3)
R148
680
STAR
109
KP_IN(4)
R149
680
KP_OUT(0:3)
KP_OUT(0)
R151
680
H
KP_OUT(1)
R152
680
KP_OUT(2)
R153
680
KP_OUT(3)
R154
680
1
2
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3
4
5
2V72_IO
1V8_MEM
HANDSET MICROPHONE
L104
C100
C101
C114
MIC1_P
22n
100nH
0.1u
0.1u
C115
100p
L105
C116
MIC1_N
22n
100nH
C9
R120
0
VMICP
C8
F8
TP105
R122
0
BT_VCXO_EN
VMICN
C2
CLK32K
C125
C126
C127
C128
B1
27p
27p
10u
100p
B2
D1
TP111
RESET_
_BT_RESET
H5
RFOUT
A4
PAON
A3
PSEL0
B8
PSEL1
A2
F2
VSSVCO
F4
VSSRF1
E5
VSSRF2
F5
VSSRF3
E4
VSSRF4
VBALUN
ANT100
AMAN542015LG02
FL100
DBF71B601
FL101
LFB212G45SG8A166
R127
R128
GND1
4
1
B2
UB
IN
OUT
FEED
GND2
1.8nH
100p
GND1
GND2
3
2
B1
DC
C161
C133
C134
C135
2p
R129
100p
NA
NA
1.8nH
USB CHARGING CIRCUIT WITH INDICATE LED
VCHG
VBUS_USB
2V72_IO
VBAT
D1
KDS121E
R177
2
3
10K
U104
ISL6294
U108
1
1
8
VBUS_USB
VIN
BAT
NO
6
R184
47
2
7
_PPR
IREF
5 COM
NC 4
R131
330
3
6
_USB_EOC
_CHG
IMIN
4
5
_EN
GND
9
PGND
NLAST4599DFT2G
C140
R141
R142
C141
R178
LD100
0.1u
220K
39K
0.1u
1K
R180
N.A.
100K
SML-521MUWT86
FM RADIO
2V72_IO
2V85_IO2
R176
0
102
CLEAR
1
18
GND1
VA
105
F100
C144
100p
2
17
FM_ANT
FMIP
GND5
3
16
RF_GND
U105
LOUT
C152
4
15
FMIN
SI4701
ROUT
5
14
GND2
GND4
NA
6
13
GND3
VD
108
F101
R150
C147
C148
SHARP
SEND
10K
0.1u
1u
2V72_IO
U107
TC7SH04FS
5
VCC
C153
0.1u
4
1
GND
2
C155
R182
47K
27p
3
4
5
6
7
8
9
18PIN MUILTIPORT RECEPTACEL
2V65_ANA
HOOK_DETECT
MIC100
1
OUT
2
G1
R109
3
G2
4
1.5K
PWR
5
G3
C104
0.1u
R111
2.2K
MIC2_N
C117
SP0102BE3
C105
0.1u
MIC2_P
100p
VA100
VA101
VA102
MULTI_PORT_2
C110
C111
C112
MULTI_PORT_3
MULTI_PORT_0
27p
27p
10u
MULTI_PORT_1
JACK_DETECT
MICRO SD SOCKET
MAIN PCB & SUB PCB INTERFACE CONNECTOR
2V85_CARD
2V72_IO
Q1
NTJD4105CT1G
1
S1
D1
6
R130
100K
R132
TF_PWR_EN
2 G1
G2 5
3
D2
S2
4
100K
KP_IN(1:4)
R133
R134
R135
R136
R137
S100
KP_IN(1)
100K
100K
100K
100K
100K
SCHA1B0102
KP_IN(2)
DAT2_RSV
KP_IN(3)
TF_DAT2
KP_OUT(0:3)
CD_DAT3_CS
KP_IN(4)
TF_DAT3
CMD_DI
TF_CMD
VDD
KP_OUT(0)
CLK_SCLK
KP_OUT(1)
TF_CLK
VSS
KP_OUT(2)
DAT0_DO
KP_OUT(3)
TF_DAT0
DAT1_RSV
TF_DAT1
R183
0
DETECT
TF_DETECT
COMMON
C156
C142
C143
DUMMY1
DUMMY2
1000p
22p
1uF
KEY_BACKLIGHT
MULTI-PORT SWITCH 2
2V72_IO
2V85_IO2
R168
U106
NLAS5223BMNR2G
10K
1
10
R157
47
VCC
NO2
L101
100nH
R156
47
2
9
RTS_0
NO1
COM2
L102
100nH
C103
27p
3
8
FM_SND_L
MULTI_PORT_3
COM1
IN2
FM_SND_R
C113
27p
C108
10u
4
7
IN1
NC2
C109
10u
5
6
HS_OUT_R
NC1
GND
R185
0
JACK_DETECT
R187
C169
C149
R186
1K
1K
C157
100p
0.1u
1u
C154
0.1u
CLK32K
Changed by:
mentor
6
7
8
9
- 123 -
1
0
11
12
2V85_IO2
VBUS_USB
2V72_IO
2V85_IO2
VCHG
VBAT
R102
U100
LMV7291MGX-NOPB
1M
5
4
VIN-
R103
1
VCC
OUT
3
VIN+
GND
47
C102
2
CN100
R110
100p
L112
100nH
220K
21
C151
27p
19
1
L109
100nH
2
L100
100nH
C163
27p
3
JACK_TYPE
4
5
C165
27p
6
C166
27p
7
C164
27p
8
9
10
R116
1K
L110
100nH
11
RPWRON_EN
12
L111
100nH
13
R117
NA
14
DSR
FB102
15
R118
47
16
TX_DEBUG
R119
47
17
RX_DEBUG
18
20
22
FM_ANT
2V65_BT
1V8_MEM
1V5_CORE
2V85_CARD
VBAT
VCHG
2V65_ANA
2V72_IO
VBUS_USB
2V85_IO2
CN101
G1
G2
1
80
2
79
3
78
4
77
5
76
VMICP
6
75
VMICN
7
74
MIC1_P
8
73
MIC1_N
9
72
TF_PWR_EN
HOOK_DETECT
10
71
MIC2_N
CHG_LED_CTRL
11
70
MIC2_P
12
69
JACK_TYPE
13
68
HS_OUT_L
14
67
HS_OUT_R
15
66
16
65
MULTI_PORT_0
17
64
MULTI_PORT_1
18
63
JACK_DETECT
19
62
RPWRON_EN
20
61
_USB_EOC
DSR
21
60
_FM_RESET
22
59
SDA
23
58
SCL
RTS_0
24
57
FM_INT
CTS_0
25
56
FM_SND_L
26
55
TF_DETECT
FM_SND_R
27
54
TF_CMD
28
53
TF_CLK
BT_VCXO_EN
29
52
TF_DAT0
CLK32K
30
51
TF_DAT1
_BT_RESET
31
50
TF_DAT2
BT_CLK
32
49
TF_DAT3
TX_DEBUG
33
48
RX_DEBUG
34
47
USIF_RXD
35
46
VBACKUP
USIF_TXD
36
45
I2S1_CLK
37
44
I2S1_WA
38
43
I2S1_RX
39
42
I2S1_TX
40
41
G3
G4
BACK UP BATTERY 2V 0.5mAh
CTS_0
MULTI_PORT_2
VBACKUP
HS_OUT_L
BAT100
Engineer:
LG Electronics
Drawn by:
T.K.CHOI
R&D CHK:
W.J.KIM
TITLE:
ME820
DOC CTRL CHK:
Issue 1.0
MFG ENGR CHK:
Date Changed:
Time Changed:
QA CHK:
REV:
Drawing Number:
v1.0
Tuesday, November 22, 2005
5:31:08 pm
10
11
12
LGE Internal Use Only
A
B
C
D
E
F
G
H
Size:
A3
12 1 8 A
Page:
1/5
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