- 103 -
CTRL2
E
PIN 15
W J KIM
MODEL
Sign & Name
2
1
3
6
B
GSM850_EGSM TX
H
7
8
C
9
MG220
4
Date
M K KIM
H
L
H
Section
5/8
L
DRAWING
2005
Name
LGIC(42)-A-5505-10:01
NO.
Notice No.
2005
NAME
Iss.
DRAWING
10
ERIC MIN
LG Electronics Inc.
DCS/PCS TX
Checked
12/15
Designer
D
12/15
L
REV G
L
5
C
Approved
DCS/PCS RX
2005
5
35dBm
A
22K Thermistor
33dBm
3dB Atten
CTRL1
12/15
GSM850_EGSM RX
Sheet/
4dB Atten
8.2nH
L511
RF_AERO II
Date
LG Electronics Inc.
D
Sheets
H
PIN 14
4
U502
R1114D281D-TR-F
CE
6
2
GND1
5
GND2
NC
4
VDD
1
3
VOUT
GND1
V_IO
R514
15K
1u
C523
1.2nH
C525
1.8p
R521
C817
8p
33p
RF2.85V
C820
100p
C508
C520
6.8nH
1uF
8
GSM850_900_TX
12
1
GSM850_RX1
GSM850_RX2
2
GSM900_RX1
3
4
GSM900_RX2
11
VDD
L509
17
ANT
15
CTRL1
14
CTRL2
9
GND1
13
GND2
16
GND3
GND4
18
GND5
19
GND6
20
GSM1800_1900_TX
10
5
GSM1800_RX1
GSM1800_RX2
6
7
GSM1900_RX1
GSM1900_RX2
FL500
DGM081
L503
27nH
1000p
C823
1000p
C822
C511
560p
R515
270K
27p
C819
RF2.85V
C818
18p
1.2p
C515
100
R819
24
R500
L506
27nH
C524
R820
100
1000p
1000p
1000p
C815
C816
R513
680
ANT2
C504
R818
100
TX_ENABLE
4
VBATT
VRAMP
6
33u
27
28
GND19
GND2
11
29
GND20
GND21
30
31
GND22
GND23
32
12
GND3
13
GND4
14
GND5
GND6
15
16
GND7
17
GND8
GND9
18
GSM_IN
7
GSM_OUT
8
3
RF3166
U500
BAND_SELECT
2
1
DCS_PCS_IN
9
DCS_PCS_OUT
GND
5
GND1
10
19
GND10
GND11
20
GND12
21
22
GND13
23
GND14
GND15
24
GND16
25
26
GND17
GND18
0.1u
C505
L500
22nH
12
13
VDD2
VDD3
28
29
VDD4
11
VIO
26
XDIV
32
XEN
XMODE
25
XOUT
8
XTAL1
31
30
XTAL2
_PDN
9
10
_RESET
2
_SEN
RF2.85V
4
BQP
5
GND
14
PGND
33
RFIAN
24
RFIAP
23
RFIDN
20
RFIDP
19
RFIEN
22
RFIEP
21
18
RFIPN
RFIPP
17
16
RFOH
RFOL
15
SCLK
1
3
SDIO
VDD1
SI4210D
U501
27
AFC
BIN
6
BIP
7
BQN
1.5p
C527
R512
820
GND4
0.1u
GND3
100p
C512
C510
C526
1.8p
300
R508
C518
1000p
RF2.85V
SW500
KMS-506
ANT
G1
G2
RF
VBAT
1.2p
C501
C500
1p
R510
820
820
R511
0.1u
C513
VBAT
1.2p
C509
1p
C502
C507
560p
220
R502
R822
0
R821
100
C514
1.2p
R518
4.7K
220
R501
C506
1.2p
RF2.85V
1.5p
C528
R517
680
C811
1.2p
820
R509
0
R825
2
OUT
3
4
VCC
1
VCONT
X500
26MHz
GND
300
R507
R516
22K
L508
8.2nH
ANT4
33p
C?
8.2p
C821
0
R817
NA
R816
R815
NA
18
R506
NA
R814
GND2
C814
C519
100p
RF2.85V
1000p
C503
1u
0.5p
S_CLK
_S_EN
C521
PA_BAND
PA_ON
RFOL
GSM_TX
DCS_PCS_TX
ANT_SW2
ANT_SW1
DCS_PCS_TX
_PDNB
VRAMP
S_DATA
TXQP
TXIN
TXQN
TXIP
TEMPSENSE
26MHZ
RFOL
RFOH
RF_EN
RFOH
TCXO_OUT
AFC
TCXO_OUT
RXIP
RXIN
RXQN
RXQP
GSM_TX
7. CIRCUIT DIAGRAM
Z3X-BOX.COM
Содержание MG220
Страница 1: ...Date May 2006 Issue 1 0 Service Manual MG220 Service Manual Model MG220 Z 3 X B O X C O M ...
Страница 3: ... 2 Z 3 X B O X C O M ...
Страница 5: ...Z 3 X B O X C O M ...
Страница 32: ...3 H W Circuit Description 31 Figure 14 Power Supply Scheme Z 3 X B O X C O M ...
Страница 46: ...4 TROUBLE SHOOTING 45 4 TROUBLE SHOOTING 4 1 Main Components Placement Z 3 X B O X C O M ...
Страница 91: ...5 DOWNLOAD 90 5 2 Download Procedure 5 2 1 Computer Program file MultiGSM EXE Click Z 3 X B O X C O M ...
Страница 93: ...5 DOWNLOAD 92 5 2 3 Configuration Setting C GSMULTI Model MG220 dll Z 3 X B O X C O M ...
Страница 94: ...5 DOWNLOAD 93 5 2 4 Press Start Button Z 3 X B O X C O M ...
Страница 95: ...5 DOWNLOAD 94 5 2 5 After Start Button Which Stand by condition Z 3 X B O X C O M ...
Страница 96: ...5 DOWNLOAD 95 5 2 6 SW downloading Condition MG220 Z 3 X B O X C O M ...
Страница 97: ...5 DOWNLOAD 96 5 2 7 SW downloading END Condition Z 3 X B O X C O M ...
Страница 99: ...6 SERVICE AND CALIBRATION 98 4 Click on CALIBRATION START button Z 3 X B O X C O M ...
Страница 108: ... 107 8 pcb layout Z 3 X B O X C O M ...
Страница 109: ... 108 8 pcb layout Z 3 X B O X C O M ...
Страница 113: ... 112 Z 3 X B O X C O M ...
Страница 129: ...Note Z 3 X B O X C O M ...
Страница 130: ...Note Z 3 X B O X C O M ...