4. TROUBLE SHOOTING
- 85 -
4.5.5 Check RF Rx Level
TP1
TP2
TP3
TP4
Bias1
Test Point (RF Rx Level)
4.7nH
L1035
15nH
L1034
KMS-512
SW1002
ANT
G1
G2
RF
GND6
RX_DCS1
12
13
RX_DCS2
RX_EGSM1
16
17
RX_EGSM2
RX_PCS1
14
15
RX_PCS2
3
TX_DCSPCS
1
TX_EGSM
UMTS
8
ANT
7
CTRL1
2
CTRL2
4
11
CTRL3
CTRL4
20
5
GND1
GND2
6
GND3
9
GND4
10
GND5
18
19
U1006
M054E
0.1u
C1108
33p
C1111
15p
C1230
ANT1000
0.5p
C1112
ANT1001
7.5nH
L1031
12
B2
11
B3
10
BGND
15
7
GND1
GND2
8
T__R
6
1
VCCA
14
VCCB
9
_OE
FXL4T245BQX
U1008
2
A0
3
A1
4
A2
A3
5
13
B0
B1
VREG_RFRX_0_2.85V
ANT_SEL2
ANT_SEL1
ANT_SEL0
100p
C1012
3.3K
R1005
0
R1004
C1017
3.9n
27p
C1007
10p
C1020
10p
C1048
24
VDDA3
26
27
VDDA4
VDDA5
32
34
VDDA6
VDDA7
36
45
VDDA8
41
VDDM
3
VDDRF1
VDDRF2
12
VDDRF3
19
15
16
PLNA_IN
13
PLNA_OUT
PMIXM
10
11
PMIXP
21
RX_IM
RX_IP
20
RX_QM
23
22
RX_QP
R_BIAS
46
42
SBCK
43
SBDT
SBST
44
TCXO
33
UMTS_TUNE
25
7
VDDA1
VDDA2
1
5
GMIXM
GMIXP
6
GND
4
35
GPS_TUNE
GRX_IM
39
GRX_IP
40
GRX_QM
37
38
GRX_QP
17
ILNA_BIAS
ILNA_IN
18
14
ILNA_OUT
IMIXM
8
9
IMIXP
LO_OUT
28
PGND
49
PLNA_BIAS
U1000
EUSY0246001
2
BLANK
CP_DUMP
29
30
CP_OUT
31
FAQ
48
GLNA_BIAS
GLNA_IN
47
GLNA_OUT
TX
FL1000
ACMD-7601
ANT
G1
G2
G3
G4
G5
G6
G7
RX
C1001
27p
U1001 LMV225TLX
GND
B1
B2
OUT
A1
RFIN_EN
A2
VDD
C1019
1u
C1031
100p
C1049
0.1u
4.7K
R1006
1.8K
R1013
R1001
0
R1003
0
10K
R1012
L1001
2.7nH
8.2nH
L1003
C1016
470p
C1030
1200p
0.1u
C1058
C1018
0.01u
C1008
12p
1.2p
10p
C1043
C1056
R1008
11K
100nH
L1004
C1014
0.1u
C1045
680p
VREG_RFRX_1_2.85V
VREG_TCXO_RFR
ILNA_OUT
PA_ON
SBST
SBDT
SBCK
RX_QP
RX_QM
RX_IP
RX_IM
HDET1
VREG_RFTX_2.85V
4
FL1001
LN04A
G1
2
G2
5
IN
1
O1
3
O2
0.1u
C1060
L1007
33nH
C1054 33p
8.2p
C1047
L1005
2.2nH
C1055 33p
L1010
3.9nH
R1048
0
3.9nH
L1011
ILNA_OUT
IMT_RX_M
IMT_RX_P
TP4
TP1
TP2
TP3
Содержание U8500
Страница 1: ...Date February 2006 Issue 1 0 Service Manual Model U8500 Service Manual U8500 ...
Страница 20: ...3 TECHNICAL BRIEF 21 ...
Страница 32: ...3 TECHNICAL BRIEF 33 Figure 3 5 6 1 GSM PA functional block diagram ...
Страница 35: ...3 TECHNICAL BRIEF 36 Figure 3 5 10 1 Bluetooth system architecture ...
Страница 50: ...3 TECHNICAL BRIEF 51 Figure 3 10 3 2 1 PM6650 Functional Block Diagram ...
Страница 110: ...4 TROUBLE SHOOTING 111 R605 R606 receiver signal serial resistor Receiver CN600 50pin LCD connector FPCB for LCD Module ...
Страница 112: ...4 TROUBLE SHOOTING 113 R605 R606 receiver signal serial resistor CN600 50pin LCD connector CN901 C907 C911 ...
Страница 114: ...4 TROUBLE SHOOTING 115 Loud Speaker U502 U503 Amp ...
Страница 118: ...4 TROUBLE SHOOTING 119 C200 C201 for MIC serial capacitor ...
Страница 121: ...4 TROUBLE SHOOTING 122 Q404 Q403 Q402 VBATT GND ...
Страница 128: ...5 DOWNLOAD 129 5 Choose a Module Image file after clicking on the Browse button U8500 U8500 U8500 U8500 U8500 U8500 ...
Страница 132: ...5 DOWNLOAD 133 Downloading the AMSS Modem image Rebooting and waiting for a while Performing NV restore ...
Страница 134: ...5 DOWNLOAD 135 Download of Module image in progress Download process has completed successfully ...
Страница 143: ...6 BLOCK DIAGRAM 144 6 3 Interface Diagram U8500 Interface Diagram ...
Страница 145: ... 146 ...
Страница 154: ... 155 U8500 8 PCB LAYOUT ...
Страница 155: ... 156 8 PCB LAYOUT U8500 ...
Страница 156: ... 157 8 PCB LAYOUT ...
Страница 157: ... 158 8 PCB LAYOUT ...
Страница 158: ... 159 U8500 8 PCB LAYOUT ...
Страница 159: ... 160 U8500 8 PCB LAYOUT ...
Страница 166: ...9 CALIBRATION 167 Click START button U8500 U8500_ver1 1 U8500 U8500 Click U8500 ...
Страница 167: ... 168 ...
Страница 169: ... 170 ...
Страница 194: ...Note ...
Страница 195: ...Note ...