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4. TROUBLE SHOOTING
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4.6.5 Checking RF Rx Block
TP1
TP2
TP3
TP1. GSM Rx SAW Input
TP2. DCS Rx SAW Input
TP3. PCS Rx SAW Input
Test Point (RF Rx Level)
1930-1990 MHz
(1%)
(PPS)
1805-1880 MHz
G1
2
G2
5
IN
1
O1
3
O2
4
925-960 MHz
(PPS)
FL203
B7846
L209
8.2nH
43
8
VTUNE_REF
VDDA10
VDDA11
39
41
VDDA12
48
VDDA13
VDDA14
50
52
VDDA15
54
VDDA16
VDDA17
56
VDDA2
5
VDDA3
7
10
VDDA4
VDDA5
15
VDDA6
23
26
VDDA7
VDDA8
27
VDDA9
31
VDD_M
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
42
TX_VCO_FB
UMTS1900_OUT
53
UMTS2100_OUT
51
49
VCONTROL
VCO_TUNE
9
4
VDDA1
36
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
RF_ON_TX_ON
47
RX_IN
14
13
RX_IP
12
RX_QN
RX_QP
11
32
RX_VCO_IN
33
RTR6250
U205
CP1
2
30
CP2
1
CP_HOLD1
29
CP_HOLD2
20
DAC_REF
55
DNC
FAQ1
3
FAQ2
1000p
C241
C227
9p
15nH
L212
VC
10
U210
MQW5V0C869M
27p
C308
8p
C226
C302
0.01u
C301
820p
L220
7.5nH
33nH
L218
33p
C253
C306
10n
ECHU1C103JX5
22n
ECHU1C223JX5
C313
1000p
C232
100p
C300
L223
12nH
1000p
C310
7.5nH
L221
C233
1000p
22nH
L211
FB201
R204
100
L210
8.2nH
L217
22nH
R230
1.8K
C237
33p
R210
11K
C224
6p
R215
10
22nH
L216
L219
33nH
L215
7.5nH
G1
2
G2
5
IN
1
O1
3
O2
4
FL201
B7837
R231
3.3K
82
7.5nH
L214
R239
12nH
L222
C264
0.1u
C316
120p
L213
15nH
R238
47
C307
82p
G1
2
G2
5
IN
1
O1
3
O2
4
FL202
B7844
RX_VCO_IN
VREG_RFTX_2.85V
DAC_REF
TP1
TP2
TP3
Test Point (RF Rx Level)
Содержание U8210
Страница 22: ...3 TECHNICAL BRIEF 23 Figure 3 2 1 1 RTR6250 IC Functional Block Diagram ...
Страница 37: ...3 TECHNICAL BRIEF 38 Figure 3 5 12 1 Bluetooth system architecture ...
Страница 110: ...4 TROUBLE SHOOTING 111 USB_D USB_D USB_VBUS X100 48M 48MHz ...
Страница 115: ...4 TROUBLE SHOOTING 116 LCD Control data flow ...
Страница 117: ...4 TROUBLE SHOOTING 118 LCD Control data flow ...
Страница 122: ...4 TROUBLE SHOOTING 123 TR400 ...
Страница 124: ...4 TROUBLE SHOOTING 125 FLASH_ON from Main Bíd PM6650 CN1 Flash LED ...
Страница 127: ...4 TROUBLE SHOOTING 128 FB503 CN500 FB502 CN2 CN1 ...
Страница 129: ...4 TROUBLE SHOOTING 130 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Страница 131: ...4 TROUBLE SHOOTING 132 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Страница 133: ...4 TROUBLE SHOOTING 134 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Страница 135: ...4 TROUBLE SHOOTING 136 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Страница 137: ...4 TROUBLE SHOOTING 138 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Страница 139: ...4 TROUBLE SHOOTING 140 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Страница 141: ...4 TROUBLE SHOOTING 142 MIC Contact C404 C401 ...
Страница 143: ...4 TROUBLE SHOOTING 144 C115 Head_Phone Input Pin 2 3 C102 CN304 R624 ...
Страница 146: ...4 TROUBLE SHOOTING 147 Receptacle 4 6V 4 6V ...
Страница 151: ...5 BLOCK DIAGRAM 152 Top Side ...
Страница 152: ...5 BLOCK DIAGRAM 153 Bottom Side ...
Страница 154: ...6 DOWNLOAD 155 It is ready for downloading ...
Страница 160: ...6 DOWNLOAD 161 6 Click on Download to download ...
Страница 165: ...6 DOWNLOAD 166 Downloading the Module image Finally Download has been complete ...
Страница 168: ...6 DOWNLOAD 169 When you meet the NV Restore error Connect to the phone ...
Страница 170: ...6 DOWNLOAD 171 Select the proper file and click on Restore Reading the NV file and restore NV ...
Страница 200: ... 201 9 PCB LAYOUT ...
Страница 201: ... 202 9 PCB LAYOUT ...
Страница 202: ... 203 9 PCB LAYOUT U8210 KEYPAD SPEY0032001 1 1 TOP ...
Страница 203: ... 204 9 PCB LAYOUT ...
Страница 204: ... 205 9 PCB LAYOUT ...
Страница 206: ... 207 ...
Страница 207: ... 208 ...