- 177 -
7. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
B
REV.1.1
Placement Notice:PGND must be isolated from Common GND on L1, L2 and L3
Rev. 1.0
10
Rev. B
4
TU750 MAIN (REV.1.1)
Rev. F
Rev. F
G
C
A
6
7
6
12
4
10
D
Rev. 1.1
9
2
F
8
12
11
E
9
Rev. F (Rev.1.0)
3
C
2
H
Rev. 1.1
REV.1.1
Rev. E
3
F
5
GSM PAM WITH ASM
Rev. B
B
Rev. 1.1
Placement Notice: BT Buffer should be closed to RF3000
Rev. F
Rev. 1.0
H
1
7
1
11
External LDO (For RF3300)
G
5
A
E
D
Rev. F
8
Rev. 1.0
GND1
2
4
GND2
HOT1 1
3 HOT2
BLUETOOTH BUFFER
TEMP SENSOR
DC-DC CONVERTER
26MHz
TN4-26562
X101
68
R111
10u
G1
2
G2
3
5
GND
IN
1
4
OUT
C129
1.2p
FL105
SAFEB836MAL0F00
27p
VDDE_1V8
C110
C122
R148
DNI
2.7nH
A
2
3
GND
5
VCC
Y
4
1
_OE
R128
SN74LVC1G125DRLR
U108
smd_0603h_25_r_na
DNI
R135
TP101
R120
27
270
R122
R137
DNI
6.8p
R150
0.1u
C119
C132
4.7u
C149
22p
47p
C103
R127
2.7nH
R115
0
0ohm_0603_case1
R145
51
G1
G2
C121
22nH
SW101
KMS-518
A
C
C113
22p
R142
560
DNI
smd_0603h_25_r_na
R106
22p
smd_0603h_3_r
C126
22p
smd_0603h_3_r
C124
L119
NA
34
PGND4
RSVD
10
RX1
16
15
RX2
RX3
14
13
RX4
4
VAPC
VBATT
5
WCDMA1
18
19
WCDMA2
WCDMA3
20
_TXEN
8
29
GND12
GND13
30
11
GND2
GND3
12
21
GND4
GND5
22
23
GND6
GND7
24
25
GND8
GND9
26
1
HB_RF_IN
LB_RF_IN
3
9
MODE
31
PGND1
32
PGND2
PGND3
33
SKY77521
U102
17
ANT
BS1
7
6
BS2
2
GND1
27
GND10
GND11
28
C154
DNI
DNI
C146
1800
FB101
R114
4.7K
R123
270
VDDA_2V8
R112
68
C145
15p
22p
C134
C115
R105
22p
DNI
L116
NA
5.6nH
R149
NA
L109
R134
R113 DNI
0ohm_0603_case1_dni
C136
VRAD_2V8
DNI
5
VEN_BAND_2
1
7
VEN_BAND_5
1u
SKY77175
U103
3
GND1
GND2
8
GND3
12
14
GND4
IN_BAND_2
2
6
IN_BAND_5
13
OUT_BAND_2
OUT_BAND_5
9
PGND
15
10
VBIAS
VC2
11
4
VCC1
VCONT
22p
C120
R143
C105
22p
DNI
270
R126
NA
L112
VDIGRAD_1V8
C101
5.6nH
2.2nH
L107
L108
0.5p
33
R140
DAP
7
4
EN
GND
3
OUT
6
5
REF
2
RF_IN
VDD
1
CE
3
2
GND
PGND
5
4
VDD
VOUT
1
U105
LMV221
L117
RP101K282D
U106
39nH
smd_0603h_25_r
10
R139
DNI
C140
C104
0.1u
R180
51
C148 3.3p
U107
LM3208TL
EN
C1
C3
FB
PGND
A3
A1
PVIN
SGND
B3
A2
SW
VCON
C2
B1
VDD
LDC151G8820Q-359
U101
3
COU
IN
2
1
OUT
4
TER
33p
C153
VBAT
0
R146
L106
3.3nH
DNI
R131
GND1
2
GND2
7
3
GND3
8
GND4
5
GND5
GND6
10
IN_881_5
1
IN_942_5
4
OUT_881_5
9
6
OUT_942_5
FL104
SAWEN881MBA0F25
L115
NA
18p
R102
NA
L103
SAFEA1G88KB7F00
FL106
2
G1
5
G2
3
G3
1
IN
OUT
4
L102
12p
R118
390
3.3p
C152
C133
NA
L118
1000p
12p
C144
10
IN_1842_5
1
IN_1960
4
OUT_1842_5
9
6
OUT_1960
C137
smd_0603h_3_r
22p
FL103
SAWEN1G84BC0F25
GND1
2
GND2
7
3
GND3
8
GND4
5
GND5
GND6
200
R110
0
R147
R104
0
0ohm_0603_case1
C106
0.01u
100K
R141
R125
270
51
R153
0
R121
VDDA_2V8
R103
51
R109
DNI
33nF
C123
27
R124
R129
2.2u
0
OUT
1
4
TER
VBAT
C151
LDC15836M20Q-360
U104
3
COU
IN
2
560
R119
1u
C128
1K
R108
2
A
GND
3
VCC
5
4
Y
_OE
1
VBAT
U109
SN74LVC1G125DRLR
100K
1000p
C102
R130
10nH
L105
33p
C143
C139
22p
R152
51
DNI
C155
VBAT
C147
DNI
33p
C142
18
XOP
WRXHB1
38
WRXHB2
42
3
WRXIN
WRXIP
4
WRXLB
40
1
WRXQN
WRXQP
2
WTXHB1
29
WTXHB2
33
WTXHB3
31
WTXIN
24
35
WTXLB
23
WTXLP
WTXQN
26
25
WTXQP
XON
17
GND4
47
45
GND5
43
GND6
41
GND7
39
GND8
5
GND9
MCLK
15
MCLKSEC
20
57
PGND
37
RFCTRL1
RFCTRL2
36
STR
10
13
TESTOUT
27
VCCA1
VCCA2
51
VCCD
21
48
ERXHB1
50
ERXHB2
ERXLB1
44
ERXLB2
46
56
ETXHB
54
ETXLB
GND1
55
16
GND10
19
GND11
GND12
22
GND13
28
30
GND14
32
GND15
34
GND16
GND2
53
GND3
49
RF3300
CLK
12
14
CLKREQ
11
DATA
52
EAMMOD
8
EDATAA
EDATAB
9
EDATAC
6
EDATASTR
7
DNI
C157
U110
1.5nH
L101
C125
smd_0603h_3_r
22p
DNI
R132
4.7K
PT101
VRAD_2V8
TP102
R101
33p
0.1u
C138
8.2p
C116
470p
C112
18nH
L114
L113
NA
R107
1.5nH
C108
C114
22p
15nH
C118
DNI
1u
C131
NA
L111
2.7p
C141
FL102
ANT
GND1
GND2
GND3
GND4
GND5
GND6
RX
TX
CEG231G88DCB000
GND1
GND2
IN
OUT
B7638
10u
C107
IS101
8.2nH
L110
C111
22p
DNI
R138
16
17
18
19
2
20
21
3
4
5
6
7
8
9
SC100
1
10
11
12
13
14
15
C156
C127
smd_0603h_3_r
22p
DNI
ACMD-7403
FL101
ANT
G1
RX
TX
20369-001E
SW102
ANT
G1
G2
G3
R116
220
R133
VDDK_2V75
0
8.2nH
C117
5.6nH
R151
VDDA_2V8
C150
0.1u
DNI
IS102
CEG23836MDCB000
GND1
GND2
IN
OUT
C109
C130
0.01u
3.3uH
L104
WRX_BAND_5
GRX_900
GRX_900
GRX_1800
GRX_1800
GRX_1900
GRX_1900
DATA_STR
IDATA_FREQ_MSB
QDATA_AMP_MSB
VCC_WPA
ANTSW2
ANTSW0
WPOW_DET_EN
WRX_BAND_2
WRX_BAND_2
WRX_BAND_5
GTX_VAM
ANTSW3
ANTSW1
BIAS_CTRL
WRF_BAND_5
WRF_BAND_2
VDDA_2V8
TX_ADC_STRB
WRF_BAND_2
WPOW_DET
MCLKSEC
EXT_LDO
GTX_VAM
GRX_850
WRF_BAND_5
GTX_850_900
GTX_1800_1900
WTX_BAND_2_TO_PA
TX_ADC_STRB_2V8
VCC_WPA
WTX_BAND_2_TO_PA
WTX_BAND_5_TO_PA
WTX_BAND_2_EN
WTX_BAND_5_EN
GRX_850
GTX_1800_1900
GTX_850_900
RF_CTRL_STR_1
MCLK
WTX_BAND_5_TO_PA
WRX_I_N
WRX_I_P
WRX_Q_N
WRX_Q_P
WTX_I_N
WTX_I_P
WTX_Q_P
TX_ADC_STRB_2V8
RF_CTRL_CLK
RF_CTRL_DATA
WTX_Q_N
TESTOUT
MCLKREQ
AMP_FREQ_LSB
WDCDC_EN
ADOUT
RTEMP
BT_CLKREQ_n
BT_CLK
MCLKSEC
WDCDC_EN
DCDC_REF
Содержание TU750
Страница 1: ...Service Manual Model TU750 Internal Use Only Service Manual TU750 Date January 2009 Issue 1 0 ...
Страница 216: ... 217 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 218: ... 219 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 221: ... 222 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...