LG KU950 User manual

Date: December, 2006 / Issue 1.0
Service Manual Model : KU950
Service Manual
KU950

6. BLOCK DIAGRAM
- 160 -
*Top Side

6. BLOCK DIAGRAM
- 161 -
*Bottom Side

- 162 -

- 163 -
7
ANT_SEL1
6
Near to Tx Path
UMTS2100
A
(1%)
TX_VCO_EN_1_N
Near to PAM
7
HIGH
2110-2170 MHz
H
GGG
DD D
SAW FILTER(SFSY0025601)
REV:
EUSY0246002
HIGH
Page:
E
MODE
11
Changed by:
GSM_PA_BANDANT_SEL2
10
9
1608
Size:
DCS RX
B
Drawn by:
2
122
51
(1%)
E
2012
7
ANT_SEL0
126
OFF
4 8
PCS RX
Drawn by:
1005
(PPS)
DOC CTRL CHK:
DCS/PCS
10
QA CHK:
10
12
E
GSM/DCS/PCS
6
C
A
1805-1880 MHz
C
9
H
(1%)
GSM850/EGSM TX
WCDMA
TX_VCO_EN_0_N
EGSM RX
8
HIGH
LOW
C
1
LG ELECTRONICS INC.
71
10
B
R&D CHK:
Date Changed:
HIGHLOW
Engineer:
GSM900
925-960 MHz
E
LOW
Drawing Number:
DEVELOPMENT LAB 4 DEVELOPMENT GROUP 1
11
Engineer:
9
LOW
8
LOW
F
LOW
Page:
Date Changed:
(2012)
1930-1990 MHz
HIGH
3
LOW
2012
5
B
F
4
DCS/PCS TX
Drawing Number:
SETY0001401
1920-1980 MHz
6
MFG ENGR CHK:
MOBILE HANDSET R&D CENTER
(2012)
HIGH
3
5
EUSY0203802
MFG ENGR CHK:
H
F
QA CHK:
4
5
REV:
(PPS)
SAW FILTER(SFSY0023001)
8
D
HIGH HIGH
HDET
Changed by:
Dual VCO
HIGH
GSM
31
C
DOC CTRL CHK:
R&D CHK:
A
4
DCS1800/PCS1900
12
11
HIGH
LOW
TITLE:
HIGH
Size:
11
LOW
9
HIGH
HIGH
HIGH
LOW
F
B
Time Changed:
1/9
A2
JB Lee 09:24:00 am
A2
HIGH
(1%)
2
2
TITLE:
JB Lee
JB Lee
Time Changed:
3
H
Near to G-PAM
G
KU950 Main 1.1
A
LOW
18nH
2006, Sep 08
C148
100ohm
R128
VREG_RFRX_0_2.85V
C113
220n
R110
3.3K
1000p
C163
1000p
C157
VREG_SYNTH_2.85V
C137
C146
33p
VREG_RFTX_2.85V
100p
220
R116
10u
C164
C121
100p
+VPWR
0.01u
C160
C149
680p
C110
ANT101
100p
2.7nH
33u
C117
L101
82pC103
R138
10
100p
C106
C167
33p
NA
C173
R124
270
C158
1000p
L107
2.2uH
R109
82
C107
33p
VREG_RFTX_2.85V
C127
8200p
L103
100nH
3.3nH
C154
R119
51
33pC193
G2
1
IN
3
O1
4
O2
33p
C108
FL102
B7827
2
G1
5
C140
10u
15
R122
1.8nHL109
L124
3.9nH
C125
120p
C191
100p
33p
11K
R121
R132
ANT G1
G2 RF
C147
1.8p
KMS-507
SW100
VREG_RFTX_2.85V
C141
15p
C123
+VPWR
0.01u
9
UMTS1
UMTS2 7
VC1
14
15 VC2
VC3
16
VDD
13
33p
C144
5GND4
8GND5
10 GND6
GND7
12
GND8
17
18 GND9
GSM1800_1900TX 3
21
GSM1800_RX1
GSM1800_RX2 22
23
GSM1900_RX1
GSM1900_RX2 24
6
GSM900TX
19
GSM900_RX1
GSM900_RX2 20
25
PIN_DIREC1
PIN_DIREC2 26
FL100
LMSP54MA-543
ANT 11
1GND1
2GND2
GND3
4
C143
100p
6.8p
C172
10u
C136
L119
3.9nH
L114 4.7nH
C195
0.1u
R117 100ohm
4
50OHM
COUP 32 IN
1OUT
R136
470K
U105
L125
33p
C168
0.01u
C116 33p
4.7K
R102
R134
100ohm
C139
15p
1000p
8.2nHL115
C196
15
4700p
C150
R112
33p
R120
220
C112
6.8n
C111
100ohmR118
VREG_RFTX_2.85V
VREG_TCXO_2.85V
VREG_TCXO_2.85V
R111
6.2K
C104 82p
C101
1p
C109
0.01u
R107 100ohm
C176
+VPWR
C174
0.1u
0.01u
100p
1005/600 ohm
C122
FB100
0.5p
C155
GND 2
OUT
3
4VCC
1
VCONT
VREG_RFTX_2.85V
NA
C156
VREG_RFRX_1_2.85V
TG-5001LA-19.2MHz
X100
19.2MHz
33pC118
100K
R127
C192
1u
68K
R135
C120
47p
NA
C119
2.2u
C166
C171 100p
U106ADL5500
COMMRFIN
VOPS VRMS
33p
R113
VREG_TCXO_2.85V
C105
33p
5.6nH
C135
100p
C194
270
R115
VREG_RFTX_2.85V
1000pC162
C188
0.01u
U104 TC7S04FU
L111 10nH
L123
1.8nH
R133
80.6K
4.3K
R103
100p
C177
100nH
L126
VREG_MSMP_2.7V
0
R199
0.1u
VREG_TCXO_2.85V
C186
R126
6.2K
C189
10p
4.7u
C180
C102 33p
2.2uH
L105
R129
68
C179
100p
C170
33p
L102
NA
C133
C161
1000p
15p
C153
0.01u
2.2uH
L100
C159
0.1u
C138
0.1u
C134
82p
C128
VREG_RFTX_2.85V
VREG_MSMP_2.7V
3.9n
100ohmR105
C145
33p
L122
NA
R106 11K
GND1 2
GND2 4
GND3 6
7
GND4
GND5
8
GND6
12
13 GND7
GND8
14
5OUT_DCSPCS
1OUT_GSM 9
SW1 11
SW2
3
VBVC
10
U102
MQW5V0C869M
680p
C185
2.2uH
L104
0.01u
C131
L120
1200p
VREG_BT_2.85V
12nH
C181
C175
0.1u
ANT100
0.01u
C151
18nH
L113
L108
4.7nHL112
1.2p
L118
3.9nH
C183
TCXO
25 UMTS_TUNE
VDDA1 7
VDDA2
24
26 VDDA3
VDDA4
27 32 VDDA5
VDDA6
34 36 VDDA7
VDDA8 45
VDDM 41
VDDRF1 3
12
VDDRF2
19 VDDRF3
0.068u
928 LO_OUT
49
PGND
15 PLNA_BIAS
16 PLNA_IN
PLNA_OUT
13
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 31
GLNA_BIAS
48
47
GLNA_IN
1
GLNA_OUT
GMIXM 5
6
GMIXP
4
GND
GPS_TUNE
35
39
GRX_IM
40
GRX_IP
37
GRX_QM
GRX_QP 38
ILNA_BIAS
17
18 ILNA_IN
ILNA_OUT
14
8
IMIXM
IMIXP
RFR6250E
U107
BLANK 2
CP_DUMP
29 CP_OUT 30 FAQ
12
GND4 14 GND5
16 NC
17 PGND
RF_IN 3
11 RF_OUT
VBIAS 6
15 VCC1A
7VCC1B
13 VCC2A
9VCC2B 2
VENABLE
VMODE 1
VREF 5
VREG_RFRX_0_2.85V
SKY77420
U103
4
GND1 GND2 8
10
GND3
C187
100p
EFCH1950TDC1
G1
2
G2
5
G3
3
IN
14
OUT
FL101
SAYZY1G95EA0B00FL103
ANT
2
1GND1
4GND2
GND3
8GND4 9
6
GND5
GND6 3
RX 5
7
TX
R108 0
L116
18nH
2.7nH
L127
C169
NA
R130
51
0.01u
C165
C184
0.5p
1.2p
C132
10R137
100p
C190
1K
R123
R101
NA
NA
L121
C115
VDDA3 7
10
VDDA4
VDDA5 15 VDDA6 23
26
VDDA7 VDDA8 27
VDDA9
31
VDD_M
43
8
VTUNE_REF
0.01u
42 TX_VCO_FB
UMTS1900_OUT
53
UMTS2100_OUT
51
UMTS800_OUT
55 49 VCONTROL
VCO_TUNE 9
4
VDDA1
36 VDDA10
VDDA11
39
41 VDDA12
48 VDDA13
VDDA14
50 52 VDDA15 54 VDDA16
VDDA17
56
VDDA2 5
RF_ON_TX_ON
47
RX_IN 14
13
RX_IP
12
RX_QN
RX_QP 1132 RX_VCO_IN
33 R_BIAS
44 SBCK 45 SBDT
SBST
46
6
TCXO
TX_IN 19
TX_IP 18
TX_MOD_CP
40
17
TX_QN
TX_QP 16
CP1 2
30 CP2
1
CP_HOLD1
29 CP_HOLD2
20
DAC_REF
FAQ1 3
FAQ2 28
57
GND_SLUG
GSM1800_INN
34
35 GSM1800_INP
GSM1900_INN 24
25
GSM1900_INP
21
GSM850_INN 22
GSM850_INP
GSM900_INN
38
37 GSM900_INP
C129
RTR6250D
U100
390p
L106 1.8nH
10u
C178
0.01u
C152
VREG_SYNTH_2.85V
R104
10
33p
0.1u
C142
C124
L117 8.2nH
0
R131
R114
47
R125
100ohm
GSM_OUT
PGND
21
RSVD_GND
19
20
VAPC
VBATT 17
VCC1A 2 VCC1B 6
1
BS
DCS_PCS_IN 3 DCS_PCS_OUT
15
18
ENABLE
5GND1 7GND2
GND3
8
GND4
9
GND5
10 12 GND6
GND7
13
GND8
14 16 GND9
4
GSM_IN
11
33p
U101
SKY77328
C182
C130
100p
33p
C114
VREG_RFTX_2.85V
OUT100
47nH
L110
C126
1000p
CP2_OUT
CP2_OUT
SBST
SBDT
SBCK
RX_QP
RX_QM
RX_IP
RX_IM
SBST
TCXO_OUT
PA_R0
PA_ON
TCXO_BT
RX_VCO_IN
TCXO_OUT
ANT_SEL0
ANT_SEL1
ANT_SEL2
HDET1
SBCK SBDT
TRK_LO_ADJ
RF_ON_TX_ON
TX_AGC_ADJ
RX_IM
RX_IP
RX_QM
RX_QP
TCXO_PM
DAC_REF
TX_IM
TX_IP
TX_QM
TX_QP
TCXO_OUT
GSM_TX_VCO_1_EN_N
GSM_TX_VCO_0_EN_N
GSM_PA_BAND
GSM_PA_EN
GSM_PA_RAMP
RX_VCO_IN
PA_THERM
7. CIRCUIT DIAGRAM