LG GT500 - 7 Circuit Diagram

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7. CIRCUIT DIAGRAM
LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
D
5
E
12
A
E
G
C
D
G
107
910
45
F
7
Placement Notice:PGND must be isolated from Common GND on L1, L2 and L3
3
B
C
H
8
H
A
12
1 6 89
6
RF TRANCEIVER
DC-DC CONVERTER
EXTERNAL LDO
TEMP SENSOR
WCDMA PA Block
GSM PA WITH ASM
12
GT500 GND contact for ANT
B
4
closed to RF3300
11
3 11
F
2
0
R162
C178
0
R114
33p
0
R115
R120
24
L100
18p
C122
R168
DNI
22p
R166
0
L120
NA
C158
1000p
0R112
NA
C117
0.1u
VDDA_2V8
7
GND4
8
GND5
9
GND6
1
RX
TX
3
C101
1
OUT
4
TER
FL100 SAYFP1G95AA0B00
ANT
6
GND1
2
GND2
4
GND3
5
U103 LDC151G8620Q-359
COU
3
IN
2
R128
3.9nH
3.6nH
C124
22p
0
R156
C167
GND3
12
14
GND4IN_BAND_2
2
6
IN_BAND_5
13
OUT_BAND_2
OUT_BAND_5
9
PGND
15
10
VBIAS
VC2
11
4
VCC1
VCONT
5
VEN_BAND_2
1
7
VEN_BAND_5
SKY77175U105
3
GND1
GND2
8
C138 DNI
4.3nH R125
C164 15p
WTXHB1
29
WTXHB2
33
WTXHB3
31
WTXIN
24
35
WTXLB
23
WTXLP
WTXQN
26
25
WTXQP
XON
17
18
XOP
MCLKSEC
20
57
PGND
37
RFCTRL1
RFCTRL2
36
STR
10
13
TESTOUT
27
VCCA1
VCCA2
51
VCCD
21
WRXHB1
38
WRXHB2
42
3
WRXIN
WRXIP
4
WRXLB
40
1
WRXQN
WRXQP
2
16
GND10
19
GND11 GND12
22
GND13
28 30
GND14
32
GND15
34
GND16
GND2
53
GND3
49
GND4
47 45
GND5
43
GND6
41
GND7
39
GND8
5
GND9
MCLK
15
CLK
12
14
CLKREQ
11
DATA
52
EAMMOD
8
EDATAA
EDATAB
9
EDATAC
6
EDATASTR
7
48
ERXHB1
50
ERXHB2
ERXLB1
44
ERXLB2
46
56
ETXHB
54
ETXLB
GND1
55
U111
RF3300
22p
DNIC151
C121
C143
0.5p
0
R151
C115
1000p 1000p
C116
DNI
L108
C191
C133
3.3uH
DNI
L118 10nH
DNI
R139
VRAD_2V8
1800FB100
R124 390
33p C160
R136 270
2.2nH
L106
56
R117
33pC113
0.1u
C154
GND3GND4
GND5
GND6
RX
TX
270R131
ACMD-7407FL101
ANT
GND1
GND2
DNIR148
OUT
10u
C168
FL107
SAFEA1G88KB7F00
G1
2
G2
5
G3
3
IN
14
DAP
7
4
ENGND
3
OUT
6
5
REF
2
RF_IN
VDD
1
U100 LMV221
DNI
R160
R150DNI
U104
3
COU
2
IN
OUT
1
TER
4
100pC135
LDC151G8620Q-359
1000p C137
C173
4.7u
C181 100p
8
VCONT
3
VEN
4
DNI
R113
U107 SKY77181
GND1
5
GND2
6
PGND
9
2
RF_IN
7
RF_OUT
VBIAS
1
VCC
R121
56
GND2
GND3GND4
GND5
GND6
RX
TX
22p
C175
LT56BFL102
ANT
GND1
NA
L114
L105
NA
NA
L109
DNI C187
PT100
C106
4.7K
C165 DNI
33nF
NA
L112
DNI C189
0.1u
C149
R132 270
DNI
R145
_TXEN
8
27R134
LB_RF_IN
39
MODE
PGND1
31 32
PGND2 PGND3
33 34
PGND4
RSVD
10
RX1
16
15
RX2
RX3
14
13
RX4
VAPC
4
VBATT
5
WCDMA1
18
19
WCDMA2
WCDMA3
20
BS1
7
6
BS2
GND1
2
27
GND10
GND11
28
29
GND12
GND13
30
11
GND2
GND3
12
21
GND4
GND5
22
GND6
23
GND7
24
25
GND8
GND9
26
1
HB_RF_IN
SKY77521
U101
17
ANT
VDIGRAD_1V8
C169DNI
DNI R159
0
R133
C142 22p
C139 22p
C150
1000p
DNIR158
3.9pC159
1.8nH
VBAT
100pC146
L101
22pC112
DNI
R164
VBAT
C140 22p
C179
10nH
DNI R106
2
GND1
GND2
4
1
HOT1
HOT2
3
VBAT
26MHzTN4-26562
X100
8.2nH
L110
100p
VRAD_2V8
C145
L103
DNI
R127
8.2nH
DNI
C156
C152
R111
6.8nH
2.7p
0
C170
R135
220
10nH
100pL102
L113
GND5GND6
10
IN_881_5
1
IN_942_5
4
OUT_881_5
9
6
OUT_942_5
FL104
SAWEN881MBA0F25
GND1
2
GND2
7
3
GND3
8
GND4
5
C119 100p
KMS-518
SW100
A C G1 G2
R100
DNI
1000p
C102
R149DNI
C118
NA
1000p
C174
DNI
C132 DNI
C188
0.1u
C134 100p
C110
DNI
C126
L115
5.6nH
R143560
0R130
0.1uF C120
10u C107
R103
120
22p C163
VDDA_2V8
C147 22p
22p
VBAT
R129 27
C114
0.01u C162
17
18
2
3
4
5
6
7
8
9
270R137
SC1
110
11
12
13
14
15
16
C157
A
2
3
GND
5
VCC
Y
4
1
_OE
1000p
SN74LVC1G125DRLR
U108
3.3pC177
0
R161
5
G3
3
IN
14
OUT
0R144
G1
3
G2 G3
5
1
IN OUT
4
FL106
SAFEB1G95KA0F00
G1
2
G2
SAFEB897MAM0F00
FL105
2
47p C109
B1
VDD
R116 DNI
U109 LM3208TL
EN
C1
C3
FB
PGND
A3
A1
PVIN
SGND
B3
A2
SW
VCON
C2
R104
75
VBAT
C130 22p
C105 22p
10u
C148
0R157
R1180
R109
56
C183
VRAD_2V8
C182
2.2u
DNI
1u
R108
RFIN
6
RFOUT
4
VBIAS VCC
5
VCTRL
2
VENB
1
10u
C155
U102 SKY77182
7
GND1
GND2
8
PGND
9
3
R142 18p
L104
3.3nH
C104 22p
1000p
C153
R146
4.7K
GND1
2
GND2
7
3
GND3
8
GND4
5
GND5GND6
10
IN_1842_5
1
IN_1960
4
OUT_1842_5
9
6
OUT_1960
FL103
SAWEN1G84BC0F25
1K
R102
DNI C161
R141
DNI
DNI C185
DNI
R155
2
PGND
5
4
VDD VOUT
1
R105 0
RP101K282D U110
CE
3
GND
R165
0
1000p C141
C127
VRAD_2V8
VDDA_2V8
L601
2.2nH
3.3p
DNI
C172
C103 0.1uF
0R152
DNIC123
COU
32
IN
OUT
1
TER
4
C1660.01u
U106 LDC15874M19Q-360
CN198
1
R147
0
C176
22p
R652
0
C100
10u
DNI
R138
C171
0.01u
R107
10
VBAT
560R123
39nH L116
22p C129
1
22pC125
CN199
ANT
G1
G2
0.01u C108
SW101
UFL-R-SMT10
1.5p C128
0
R101
L117
2.2nH
R140
C180
0
DNI
1.8p
L119
C636
3.3nH
DNI
R153
R126
0
C111
22p
NA
L107
L111
C144
NA
22pDNI C136
WRX_BAND_1
WTX_BAND_2_EN
WTX_BAND_2_TO_PA
WRF_BAND_1
WRF_BAND_2
WRF_BAND_8_5
VCC_WPA
BIAS_CTRL
BIAS_CTRL
WTX_BAND_1_EN
WRX_BAND_1
WRX_BAND_2
WRX_BAND_8_5
TX_ADC_STRB_2V8
WTX_BAND_2_TO_PA
WTX_BAND_1_TO_PA
WPOW_DET_EN
WRF_BAND_2
WRF_BAND_1
WRX_BAND_8_5
WRX_BAND_2
WPOW_DET
GRX_1800
GRX_1900
GTX_VAM
ANTSW3
ANTSW2
ANTSW0
ANTSW1
WTX_BAND_8_5_EN
WTX_BAND_8_5_TO_PA
BIAS_CTRL
GTX_1800_1900
GTX_850_900
WRF_BAND_8_5
GRX_850
GRX_900
VCC_WPA
DCDC_REF
VDDA_2V8
EXT_LDO
WTX_BAND_1_TO_PA
TX_ADC_STRB
MCLKSEC
WDCDC_EN
GRX_1800
GRX_850
GRX_900
GTX_1800_1900
GTX_850_900
MCLK
WTX_BAND_8_5_TO_PA
WTX_I_N
WTX_I_P
WTX_Q_P
TX_ADC_STRB_2V8
GRX_1900
QDATA_AMP_MSB
IDATA_FREQ_MSB
AMP_FREQ_LSB
DATA_STR
WDCDC_EN
WRX_I_N
WRX_I_P
WRX_Q_N
WRX_Q_P
ADOUT
RTEMP
RF_CTRL_CLK
RF_CTRL_DATA
WTX_Q_N
RF_CTRL_STR_1
TESTOUT
MCLKREQ
GTX_VAM