- 86 -
VBAT
PWR
URXD
UTXD
3G
2.5G
GND
RX
TX
UFLS
ON_SW
DRAWING
Date
DRAWING
4
C
Checked
5
3
5
SIM I/O CKTs
Notice No.
D
D
4
LGIC(42)-A-5505-10:01
MG810c
C
Section
NAME
E
3
6
LG Electronics Inc.
I/O CONNECTOR
1
Rev 1.0
A
CHARGING CKTs
JTAG PORT
2
Name
Approved
B
Sheet/Sheets
LG Electronics Inc.
A
B
2
MODEL
Designer
Sign & Name
A
Iss.
Main 2/5
1
8
10
9
B
7
Date
NO.
R230
1.5K
12
CTS
10
DSR
1
GND
4
NC1
NC2
7
8
NC3
NC4
9
ON_SW
5
RTS
11
2
RX
TX
3
VBAT
6
JTG201
100K
100K
R212
C221
R211
10u
47p
C204
VCUSB
CLK
GND
I_O
RST
VCC
VPP
R221
NA
CN203
NA
R228
8
COM4
12
GND
6
2
IN1-2
10
IN3-4
NC1
1
NC2
5
NC3
9
NC4
13
15
NO1
3
NO2
NO3
7
11
NO4
17
PGND
V+
14
U202
ISL8499IRZ-T
COM1
16
COM2
4
COM3
C209
100p
EVLC14S02050
VA201
R226
20K
R201
10K
NA
R219
VBAT
V_IO
R217
0
V_IO
10K
R208
C228
C216
EVLC5S01033
1u
100p
C220
10u
C215
VBAT
100nH
L201
100p
C206
R209
330
C203
2.2K
R210
10u
C217
1u
100p
C202
100nH
ESD1
A1
A3
ESD2
C1
ESD3
ESD4
C3
GND
B2
V_IO
L204
CSPESD304G
D201
C218
1u
24p
C214
100nH
L203
VBAT
R202
20K
V_SIM
V_IO
0
FB203
18K
R203
3
_PPR
R205
33K
10
BAT
1
CRDL
GND
8
9
ICDL
IMIN
6
11
PGND
USB
2
7
USBON
_CHG
4
5
_EN
NA
R220
U201
ISL6299
R231
24
R222
NA
L202
100nH
R215
10K
10K
R214
1u
C225
100p
0.1u
C211
C224
10u
C210
24
R233
C207
33u
100p
C212
0.1u
C222
150p
C227
C3
COM1
A3
COM2
B1
GND
C2
IN1
A2
IN2
C1
NC1
A1
NC2
C4
NO1
A4
NO2
B4
V+
V_SIM
U203
NLAS4717FCT1G
19
2
20
21
22
3
4
5
6
7
8
9
VCHG
CN202
1
10
11
12
13
14
15
16
17
18
C201
10u
100K
R232
R218
NA
33u
C208
VCHG
C226
150p
10K
R206
C205
0.1u
R224
10K
1u
C219
R223
33K
FB201
FB202
VBAT
R225
100K
R204
100
C223
22p
0.1u
G1
G2
1
2
3
C213
VBAT
CN201
R227
100K
1.5K
R229
VBAT
R213
0
R207
10K
R216
0
HSO_L
HSO_R
FM_ANT
RX_MODEM
TX_MODEM
REMOTE_ADC
REMOTE_INT
USB_EN
JACK_DETECT
MAP_USB_P
HSBIAS
RPWON
_CHG_STAT
USB_PATH_SEL
CHG_EN
USB_DP
USB_DM
JACK_TYPE
VBATS
USB_PU_EN
VCUSB
HSMIC
HOOK_DETECT
DSR_MODEM
TX
RX
MAP_USB_N
TCK
TDO_ARM
TMS
TDI
CTS_MODEM
TX_MODEM
DSR_MODEM
RPWON
VBAT
RTS_MODEM
RX_MODEM
BATT_TEMP
SIM_RST
SIM_IO
SIM_CLK
7. CIRCUIT DIAGRAM
Summary of Contents for MG810c
Page 1: ...Date May 2006 Issue 1 0 Service Manual MG810c MG810d Service Manual Model MG810c MG810d ...
Page 3: ... 2 ...
Page 5: ......
Page 46: ...4 TROUBLE SHOOTING 45 WR CS ADSSSSS CS ADSSSSS WR ...
Page 52: ...4 TROUBLE SHOOTING 51 G 1 Speaker Receiver Trouble Shooting Common Path ...
Page 53: ...4 TROUBLE SHOOTING 52 G 2 Speaker Receiver Trouble Shooting Acoustic Path ...
Page 54: ...4 TROUBLE SHOOTING 53 G 3 Speaker Receiver Trouble Shooting MP3 AAC Path ...
Page 55: ...4 TROUBLE SHOOTING 54 G 4 Speaker Receiver Trouble Shooting FM Radio Path ...
Page 56: ...4 TROUBLE SHOOTING 55 G 5 Main Mic Path Trouble Shooting ...
Page 57: ...4 TROUBLE SHOOTING 56 G 6 Ear Mic Receiver Path Trouble Shooting ...
Page 58: ...4 TROUBLE SHOOTING 57 G 7 Ear Mic Mic Path Trouble Shooting ...
Page 59: ...4 TROUBLE SHOOTING 58 G 8 Vibrator Trouble Shooting ...
Page 60: ...4 TROUBLE SHOOTING 59 4 2 RF Part Troubleshooting A RF Receiving Path Trouble Shooting ...
Page 64: ...4 TROUBLE SHOOTING 63 E RF Receiving Path Trouble Shooting FEM 1 ...
Page 65: ...4 TROUBLE SHOOTING 64 F RF Receiving Path Trouble Shooting FEM 2 ...
Page 67: ...4 TROUBLE SHOOTING 66 H RF Transmitter Path Trouble Shooting ...
Page 73: ...4 TROUBLE SHOOTING 72 N RF Transmitter Path Trouble Shooting FEM 1 ...
Page 74: ...4 TROUBLE SHOOTING 73 O RF Transmitter Path Trouble Shooting FEM 2 ...
Page 84: ...6 Block Diagram 83 6 Block Diagram ...
Page 85: ... 84 ...
Page 96: ... 95 8 PCB LAYOUT ...
Page 97: ... 96 8 PCB LAYOUT ...
Page 98: ... 97 8 PCB LAYOUT ...
Page 99: ... 98 8 PCB LAYOUT ...
Page 100: ... 99 8 PCB LAYOUT ...
Page 101: ... 100 8 PCB LAYOUT ...
Page 111: ... 110 ...
Page 113: ... 112 ...
Page 133: ...Note ...
Page 134: ...Note ...