- 195 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
7. CIRCUIT DIAGRAM
11
14
NO OSCILLATION
E
LOW
8
7
LOW
TCXO
14
E
9
4
2
(1%)
11
1
F
HIGH
C
C
(1%)
LOW
16
6
(1%)
E
(1%)
B
D
F
DCS RX
LOW
3
14
6
A
13
LG Electronics Inc.
DRAWING
F
E
15
D
D
MODEL
(1%)
IN_C
6
LOW
HIGH
LOW
A
DCS1800/PCS1900
B
IN_B
1
Sheets
LG Electronics Inc.
3
B
E
LOW
Designer
Section
Sheets
LG Electronics Inc.
B
LOW
A
D
IN_A
D
3
C
F
5
1
A
D
C
2
LOW
Thermistor Circuit
9
GSM 900 RX
13
WCDMA
PCS RX
E
9
DCS/PCS TX
A
GSM/EDGE
1
5
(1%)
(1%)
ANTENNA SWITCH MODULE LOGIC
B
4
E
LG(42)-A-5505-10:01
E
HIGH
8
(1%)
(1%)
Sheet/
8
(change to 4.53k)
A
LG Electronics Inc.
3
(1%)
10
C
8
2
2
TX VCO CONTROL LOGIC
10
E
F
GSM850/900
HIGH
C
(1%)
6
16
9
7
LG(42)-A-5505-10:01
E
LOW
HIGH
F
D
UMTS 2100
D
E
D
C
D
D
2
Date
E
7
C
3
9
4
F
5
HIGH
B
8
HIGH
C
LOW
NO.
10
Approved
NAME
6
4
Sign & Name
C
Approved
11
HIGH
LOW
9
16
5
2
Sheet/
SW1
6
NAME
15
15
13
7
1
LOW
NO.
12
D
7
F
5
SW2
Checked
1
DRAWING
4
7
4
3
R515
1K
LGE
2006
MAY
JOY 1.3
5/7
RF
GSM900 TX
5
C
DRAWING
12
F
LOW
LOW
8
C
HIGH
12
VREG_RFR_2.85V
C537
120p
R509 3.3K
C514
1000p
C564
0.01u
15p
C556
15p
4.7u
C557
C593
C531
33p
R517
100ohm
9.1nH
L519
COMM
RFIN
VOPS VRMS
ADL5500 U504
L510
3.3nH
C511
47p
0.068u
330p
C565
VBATT
C535
C594
0.1u
100p
C592
C570
0.01u
R502
4.7K
C534
VREG_RFTX_2.85V
C567
0.1uF
1000p
3.3nH
L500
L526
3.9nH
C558
NA
0.01u
C528
L516
10nH
10nH
L520
C504
1000p
C561
22p
ECHU1C392JX5
C538
3.9n
12p
C581
47nH
L518
R534
10
C502
NA
0.1u
FB501
C579
R523
FB502
270
56p
L521
47nH
ANT500
C506
33p
C549
R501
4.3K
C505
47p
100ohm
R525
2.2K
R506
C569
FB500
15p
R535
10
100p
C547
NA
C512
R532
11.3K
R524
51
0.1uF
C532
C555
33p
680p
C587
VTUNE_REF
8
R533
51
39
VDDA11
VDDA12
41
VDDA13
48
50
VDDA14
VDDA15
52
VDDA16
54
56
VDDA17
5
VDDA2
7
VDDA3
VDDA4
10
15
VDDA5
23
VDDA6
VDDA7
26
VDDA8
27
31
VDDA9
43
VDD_M
SBDT
45
46
SBST
TCXO
6
19
TX_IN
18
TX_IP
40
TX_MOD_CP
TX_QN
17
16
TX_QP
TX_VCO_FB
42
53
UMTS1900_OUT
51
UMTS2100_OUT
UMTS800_OUT
55
VCONTROL
49
VCO_TUNE
9
VDDA1
4
VDDA10
36
34
GSM1800_INN
GSM1800_INP
35
24
GSM1900_INN
GSM1900_INP
25
GSM850_INN
21
GSM850_INP
22
38
GSM900_INN
GSM900_INP
37
47
RF_ON_TX_ON
14
RX_IN
RX_IP
13
RX_QN
12
RX_QP
11
RX_VCO_IN
32
R_BIAS
33
SBCK
44
U500
RTR6250D
2
CP1
CP2
30
CP_HOLD1
1
CP_HOLD2
29
DAC_REF
20
3
FAQ1
28
FAQ2
GND_SLUG
57
C529
NA
L514
7.5nH
VREG_RFTX_2.85V
C563
1000p
2.2uH
L503
L517
9.1nH
10p
C544
VREG_MSMP_2.7V
C595
2
GND
OUT
3
VCC
4
VCONT
1
100p
19.2MHz
X500
C599
100p
C536
68p
1000p
C527
R505
0
C580
47
VREG_MSMP_2.7V
C530
33p
C578
8.2p
VREG_SYNTH_2.85V
3.6nH
L505
C515
33p
4700p
C550
C552
100p
C520
0.1u
1u
C590
R521
100p
C559
220
R500
10
68K
R527
100p
C582
ANT501
47p
C510
5.1nH
L513
VREG_RFTX_2.85V
6.2K
R512
L527
1.2p
R519
100ohm
L522
18nH
2.2uH
L509
UMC4N
2
4
5
3
1
Q500
C554
33p
C584
33p
0
R508
C585
100p
R531
51
C524
0.1uF
C523
R507 100
100p
L502
1p
VC
10
C583
0.1u
GND1
2
GND2
4
GND3
6
7
GND4
GND5
8
GND6
12
13
GND7
GND8
14
5
OUT_DCSPCS
1
OUT_GSM
9
SW1
11
SW2
3
VB
MQW5V0C869M
U502
UMTS_TX_RX
VC1
17
15
VC2
VC3
14
16
VDD
470K
R528
ANT
12
DCS_PCS_TX
8
3
DCS_RX1
DCS_RX2
4
1
EGSM_RX1
EGSM_RX2
2
EGSM_TX
10
7
GND1
GND2
9
11
GND3
GND4
13
18
GND5
GND6
20
5
PCS_RX1
PCS_RX2
6
19
6.8n
FL500
ESHS-L090UB
C526
ECHU1C682JX5
100p
C574
C508
33p
IN
OUT
4
VREG_RFTX_2.85V
2.2uH
L506
EFCH1950TDC1
U503
2
G1
5
G2
3
G3
1
390p
C542
L532
100nH
0
C500
L533
2.7nH
56p
C501
100p
C800
0.1uF
C503
+VPWR
C551
47p
VREG_RFR_2.85V
C566
0.1uF
C568
22u
0
R513
L507
5.1nH
C553
tcc_1608h_9_r
4.7u
L515
47nH
U506
ACMD-7601
ANT
G1
G2
G3
G4
G5
G6
G7
RX
TX
1.8nH
VREG_TCXO_2.85V
C560
L530
2.2nH
C517
0.1uF
C548
4.7u
32
VDDA5
VDDA6
34
36
VDDA7
VDDA8
45
41
VDDM
VDDRF1
3
12
VDDRF2
19
VDDRF3
L529
33nH
10
PMIXM
PMIXP
11
RX_IM
21
20
RX_IP
23
RX_QM
RX_QP
22
46
R_BIAS
SBCK
42
SBDT
43
44
SBST
33
TCXO
25
UMTS_TUNE
VDDA1
7
24
VDDA2
26
VDDA3
VDDA4
27
4
GND
GPS_TUNE
35
GRX_IM
39
40
GRX_IP
37
GRX_QM
GRX_QP
38
ILNA_BIAS
17
18
ILNA_IN
ILNA_OUT
14
8
IMIXM
IMIXP
9
28
LO_OUT
49
PGND
15
PLNA_BIAS
PLNA_IN
16
PLNA_OUT
13
BLANK
2
29
CP_DUMP
CP_OUT
30
31
FAQ
GLNA_BIAS
48
47
GLNA_IN
1
GLNA_OUT
GMIXM
5
6
GMIXP
RFR6250E
U508
R510
100
C572
1500p
C573
0.1u
C509
47p
B7827 2
G1
5
G2
1
IN
3
O1
4
O2
100p
FL501
KMS-512
SW500
ANT
G1
G2RF
C588
4
50OHM
COUP
32
IN
1
OUT
2.2uH
L512
C546
1000p
4.7u
VREG_RFTX_2.85V
6.2K
R529
1
10
VCC2
4
VMODE
VREF
5
C518
AWT6277R
U505
GND1
3
GND2
6
7
GND3
9
GND4
GND5
11
2
RFIN
RFOUT
8
VCC1
1000p
C562
56nH
L504
15
R518
C521
680p
C596
4.7p
11.3K
R503
33p
C575
C533
1.8nH
L528
2.7nH
15
R516
VREG_TCXO_2.85V
0
R504
L523
22nH
0.01u
C545
80.6K
R526
220
C516
R520
C522
33p
VREG_RFTX_2.85V
33p
C519
47p
10
GND3
11
GND4
GND5
13
GND6
14
GND7
16
17
GND8
7
GSM_IN
9
GSM_OUT
TX_EN
3
4
VBATT
VCC
12
6
VRAMP
TQM7M5003
U501
2
BS
DCS_PCS_IN
1
DCS_PCS_OUT
15
GND1
5
GND2
8
C586
100p
1.2p
R511
0
C597
C589
10p
L524
1.5nH
L525
8.2nH
0.1u
100ohm
R514
C598
L508
7.5nH
C525
0.01u
C507
1.5nH
C591
4.7u
C577
L501
3.6nH
33p
C571
3.9nH
R530
0.01u
C541
82p
C540
0.01u
270
R522
C513
7.5nH
L511
NA
L531
2.7nH
C539
5.6n
ECHU1C562JX5
22u
C543
GSM_PA_EN
GSM_PA_BAND
ILNA_OUT
WCDMA_2100_TX_OUT
WCDMA_2100
WCDMA_2100
TX_Q_M
TX_Q_P
TX_I_P
CP2_OUT
HDET1
IMT_RX_M
IMT_RX_P
W_VMODE_N
CP2_OUT
UHF_LO_BUFF
UHF_LO_BUFF
TX_I_M
ILNA_OUT
IMT_RX_M
IMT_RX_P
RX0_I_M
RX0_I_P
RX0_Q_M
RX0_Q_P
RFR6250_TCXO
RF_SBST
RF_SBDT
RF_SBCK
TCXO_PM
RTR6250_TCXO
GSM_PA_RAMP
PA_ON
GSM_TX_VCO_0_EN_N
GSM_TX_VCO_1_EN_N
ANT_SEL0
ANT_SEL1
ANT_SEL2
TX_ON
TX_AGC_ADJ
RX0_I_M
RX0_I_P
RX0_Q_M
RX0_Q_P
RFR6250_TCXO
TRK_LO_ADJ
PA_THERM
DAC_REF
RF_SBCK
RF_SBDT
RF_SBST
RTR6250_TCXO
WCDMA_2100_TX_OUT
Содержание KS10
Страница 1: ...Date July 2007 Issue 1 0 Service Manual Model KS10 Service Manual KS10 Internal Use Only ...
Страница 207: ... 208 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 214: ... 215 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 216: ... 217 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 217: ... 218 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 246: ...Note ...
Страница 247: ...Note ...