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(5) Checking Ant SW & Mobile SW
4. Trouble Shooting
Yes
Yes
Yes
Yes
For the test,
TX Stand alone Mode is needed. Refer to
chapter 11 (PL=7 for GSM, PL=2 for DCS)
Check L305, L306
Check whether Ant SW
Set as TX mode
• Refer to Graph 4-7(a),4-7(b)
• Refer to Table 4-2
Check RF Level of
FL301 Pin 5 (for GSM) & Pin 3
(for DCS)
Check SW301.ANT, RF with
RF Cable connected.
Check SW301.ANT,RF
with RF Cable disconnected
Check VC1, VC2
Changing board
Go to 4.3.5 Checking PAM
control signal
Changing SW301
Changing SW301
Pin5 : ~29.5dBm
Pin 3 : ~26.5dBm
Open
Short
END
No
No
No
No
Checking Flow
Table 4-2.
ANT SW
VC1
VC2
DCS TX
0
1
EGSM TX
1
0
EGSM,DCS RX
0
0
Содержание C1100
Страница 1: ...Service Manual Model C1100 Service Manual C1100 P N MMBD0034301 Date June 2004 Issue 1 0 ...
Страница 84: ... 83 5 DISASSEMBLY INSTRUCTION Figure 5 3 ...
Страница 85: ... 84 Figure 5 4 5 DISASSEMBLY INSTRUCTION ...
Страница 86: ... 85 5 DISASSEMBLY INSTRUCTION Figure 5 5 Figure 5 6 ...
Страница 87: ... 86 5 DISASSEMBLY INSTRUCTION Figure 5 7 Figure 5 8 3 1 1 2 ...
Страница 88: ... 87 Figure 5 9 5 DISASSEMBLY INSTRUCTION ...
Страница 89: ...5 DISASSEMBLY INSTRUCTION 88 Figure 5 10 Figure 5 11 ...
Страница 90: ...5 DISASSEMBLY INSTRUCTION 89 Figure 5 12 3 2 1 ...
Страница 106: ... 105 9 PCB LAYOUT 9 PCB LAYOUT ...
Страница 107: ... 106 9 PCB LAYOUT ...
Страница 114: ... 113 Figure 11 1 HW test program Figure 11 1 HW test program 11 STAND ALONE TEST ...
Страница 118: ... 117 13 EXPLODED VIEW REPLACEMENT PART LIST 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...
Страница 119: ... 118 Note ...