4.3.5 Checking PAM Control Signal
Graph 4-13
- 48 -
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Check TX_RAMP and PA_EN
Check if there is
Any Major Difference or not
• Refer to Graph 4-13
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GPO_16
GPO_17
AD6521
C406
27p
27p
C405
R401
15K
100
R402
100
R404
C403
10u
C402
22p
VBATT
VCC1
8
12
VCC2
VCC_OUT
10
VRAMP
6
VREG
5
22
23
GND11
GND12
24
GND13
25
26
GND14
14
GND2
15
GND3
16
GND4
17
GND5
18
GND6
19
GND7
20
GND8
21
GND9
7
GSM_IN
GSM_OUT
9
TX_ENABLE
3
4
U400
RF3133
BAND_SELECT
2
1
DCS_IN
DCS_OUT
11
GND1
13
GND10
39p
C407
VBAT
47p
C401
TX_RAMP
PA_EN
PA_BAND
4. TROUBLE SHOOTING
Figure 4-14
TX_RAMP (R401 )
PA_EN (R402)
Содержание C3100
Страница 1: ...Service Manual Model C3100 Service Manual C3100 P N MMBD0033001 Date June 2004 Issue 1 0 ...
Страница 51: ...Graph 4 15 EGSM TX 50 VCX VC2 VCX VC2 4 TROUBLE SHOOTING Graph 4 14 DCS TX ...
Страница 67: ...5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 66 5 DISASSEMBLY INSTRUCTION ...
Страница 68: ... 67 5 DISASSEMBLY INSTRUCTION Figure 5 3 Figure 5 4 ...
Страница 69: ... 68 Figure 5 5 5 DISASSEMBLY INSTRUCTION ...
Страница 70: ... 69 5 DISASSEMBLY INSTRUCTION Figure 5 6 Figure 5 7 1 3 2 4 1 2 3 ...
Страница 71: ... 70 Figure 5 8 Figure 5 9 5 DISASSEMBLY INSTRUCTION 4 2 3 1 2 1 ...
Страница 72: ... 71 5 DISASSEMBLY INSTRUCTION Figure 5 10 ...
Страница 83: ... 82 7 BLOCK DIAGRAM 7 BLOCK DIAGRAM Power supply ...
Страница 90: ... 89 9 PCB LAYOUT 9 PCB LAYOUT ...
Страница 91: ... 90 9 PCB LAYOUT ...
Страница 98: ... 97 11 3 HW Test Software for Standalone Test Setup 11 STAND ALONE TEST ...
Страница 100: ... 99 Tx Stand alone Test Setting 11 STAND ALONE TEST ...
Страница 102: ... 101 Rx Stand alone Test Setting 11 STAND ALONE TEST ...
Страница 104: ... 103 12 3 Equipment Setup Figure 12 1 Equipment Setup 12 AUTO CALIBRATION ...
Страница 107: ... 106 12 AUTO CALIBRATION ...
Страница 108: ... 107 13 EXPLODED VIEW REPLACEMENT PART LIST 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...
Страница 109: ... 108 13 EXPLODED VIEW REPLACEMENT PART LIST ...