- 103 -
L
MODEL
DCS_TX
3
RX
GPO_19
10
B
L
9
B
6
(1608)
(1608)
Sign & Name
L
ANT_SW1
D
3
NAME
Sheet/Sheets
Checked
Date
GSM_TX
Name
7
5
2
L
4
Section
GPO_11
Iss.
4
LEE KI SUNG
GPO_9
8
YOON CHANG WON
KIM DAE HYUN
H
C
DRAWING
DRAWING
LG Electronics Inc.
Approved
GPO_21
1
NO.
LGIC(42)-A-5505-10:01
RF_LDO
5
GPO_17
Date
Notice No.
GPO_20
LG Electronics Inc.
ANT_SW2
GPO_16
1
A
E
2
GPO_4
H
D
Designer
A
3.3nH
L510
C
2
1
0
0
5/6
VER 1.1
RF
C
L507
33nH
C541
33p
150
R505
VBAT
C507
22u
10K
R515
C531
39p
C519
10p
27p
C509
L508
33nH
C581
12p
1.2p
C537
C500
3.3p
C512
0.5p
ANT
8
DCS_RX
1
3
DCS_TX
EGSM_RX
10
5
EGSM_TX
4
GND1
6
GND2
7
GND3
9
GND4
12
GND5
13
GND6
GND7
14
11
VC1
2
VC2
FL500
SHS-C090DR
C508
22p
ENWY0002201
SW500
ANT
G1
G2
RF
22nH
L500
C527
ANT501
22n
C532
100p
L503
6.8nH
R508
180
2V75_VVCXO
RF2.85V
L502
NA
RF_PWR_DWN
C522
1p
1
IN
O1
3
4
O2
C503
0.01u
EFCH1842TCA7
FL402
2
G1
5
G2
C501
27p
VBAT
RF2.85V
NA
C511
C505
18p
100p
C528
28
13
SCLK
14
SDI
11
SDO
5
TXIN
4
TXIP
7
TXQN
6
TXQP
VDD1
9
VDD2
32
26
XEN
8
XIN
27
XOUT
_PDN
10
_SEN
12
GND4
GND5
33
34
GND6
GND7
35
36
GND8
19
RFIDN
18
RFIDP
21
RFIGN
20
RFIGP
17
RFIPN
16
RFIPP
RFOD
22
RFOG
23
3
RXIN
RXIP
2
RXQN
1
RXQP
U505
SI4205
24
DIAG1
DIAG2
25
15
GND1
29
GND2
GND3
30
31
GND9
6
GSM_IN
GSM_OUT
12
NC
1
2
PAC_ENABLE
23
PGND
15
RSVD
VAPC
22
VBATT
20
VCC1A
3
8
VCC1B
19
VSENSE
4
BS
DCS_PCS_IN
5
17
DCS_PCS_OUT
GND1
7
GND2
9
10
GND3
GND4
11
13
GND5
GND6
14
GND7
16
GND8
18
21
R502
U501
SKY77325
100
0.01u
C504
0.01u
C506
C536
C529
4.7u
4.7u
ANT502
RF2.85V
RF2.85V
33p
C502
39p
C520
2
GND
3
OUT
VCC
4
1
VCONT
S_EN
26MHz
X500
EFCH942MTCA7
FL401
2
G1
5
G2
1
IN
3
O1
4
O2
L501
27nH
R504
150
1p
C513
S_DATA
1p
C518
R503
36
C530
22p
C514
22p
1000p
2.2u
C539
C516
C517
NA
ANT500
30
R506
39p
C526
C510
27p
U503
BYP
4
3
EN
2
GND
IN
1
OUT
5
MIC5255-2.85BM5
C535
22n
C540
0.1u
C521
1p
100
R501
R509 1K
22n
S_CLK
C525
100
R510
IP
QP
QN
26MHz
180
R507
S_DATA
S_EN
S_CLK
RF_PWR_DWN
IN
PA_BAND
AFC
TX_RAMP
CLKON
PA_EN
ANT_SW2
ANT_SW1
7. CIRCUIT DIAGRAM
Содержание C2100
Страница 1: ...Service Manual Model C2100 Service Manual C2100 P N MMBD0048201 Date April 2005 Issue 1 0 ...
Страница 54: ...4 TROUBLE SHOOTING 55 4 2 TX Trouble SW500 U503 X500 FL500 U501 U505 5 4 1 3 2 Test Points Figure 4 7 ...
Страница 70: ...4 TROUBLE SHOOTING 71 4 7 MIC Trouble Soldering Check U203 C225 C224 C230 Test Points Figure 4 18 ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 10 KEY backlight Trouble Test Points Figure 4 21 ...
Страница 104: ... 105 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 117: ...Note 118 ...
Страница 119: ......
Страница 135: ......