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4. Trouble Shooting
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Checking Flow
Check L305, L306
Check whether Ant SW
Set as RX mode
Refer to Table 4-1
Check SW301 Pin ANT,RF
with RF Cable connected.
Open
Yes
Yes
Yes
Yes
Changing SW301
Check SW301 Pin ANT,RF
with No RF Cable Connected
For these 2 test case,
No Call connection is needed
No
Changing SW301
No
Changing the Board.
No
Changing FL301
No
Check RF Level of
FL301.2 (for GSM) &
FL301.11(for DCS)
Ant SW & Mobile SW is OK
See next Page to check
Rx IQ Signal
For this RF Level test case,
RX Stand alone Mode is needed
refer to chapter 11
Short
VC1 : Low
VC2 : Low
Pin10 : ~ -62dBm
Pin 1 : ~ -63dBm
Table 4-1.
ANT SW
VC1
VC2
DCS TX
0
1
EGSM TX
1
0
EGSM,DCS RX
0
0
Summary of Contents for C1100
Page 1: ...Service Manual Model C1100 Service Manual C1100 P N MMBD0034301 Date June 2004 Issue 1 0 ...
Page 84: ... 83 5 DISASSEMBLY INSTRUCTION Figure 5 3 ...
Page 85: ... 84 Figure 5 4 5 DISASSEMBLY INSTRUCTION ...
Page 86: ... 85 5 DISASSEMBLY INSTRUCTION Figure 5 5 Figure 5 6 ...
Page 87: ... 86 5 DISASSEMBLY INSTRUCTION Figure 5 7 Figure 5 8 3 1 1 2 ...
Page 88: ... 87 Figure 5 9 5 DISASSEMBLY INSTRUCTION ...
Page 89: ...5 DISASSEMBLY INSTRUCTION 88 Figure 5 10 Figure 5 11 ...
Page 90: ...5 DISASSEMBLY INSTRUCTION 89 Figure 5 12 3 2 1 ...
Page 106: ... 105 9 PCB LAYOUT 9 PCB LAYOUT ...
Page 107: ... 106 9 PCB LAYOUT ...
Page 114: ... 113 Figure 11 1 HW test program Figure 11 1 HW test program 11 STAND ALONE TEST ...
Page 119: ... 118 Note ...