4. TROUBLE SHOOTING
- 68 -
Check SW501.ANT, RF with RF
Cable connected.
Open
Yes
Changing SW501
Check SW501.ANT,RF
with RF Cable disconnected
Short
Yes
Changing SW501
No
No
Check C505,C506,C507
Check whether FEM
Set as TX mode
Rrefer to Graph4-6(a), 4-6(b)
Rrefer to Table 4-3
Yes
Check VC1, VC2, VC3
Check RF Level of
FL601.10 (for GSM) & Pin 8 (for
DCS)
Pin10 : ~32.5dBm
Pin 8 : ~29.5dBm
No
Yes
No
Changing board
Go to 4.3.5 Checking PAM
control signal
END
For the test,
TX Stand alone Mode is needed. (PL=5 for
GSM, PL=0 for DCS)
Checking Flow
Table 4-2
Vc1
Vc2
Vc3
Current
EGSM-Tx
0.0-0.1V
0.0-0.1V
2.3-3.0V
10mA Max
EGSM-Rx
0.0-0.1V
0.0-0.1V
0.0-0.1V
≈ 0mA
DCS/PCS-Tx
0.0-0.1V
2.3-3.0V
0.0-0.1V
10mA Max
DCS-Rx
0.0-0.1V
0.0-0.1V
0.0-0.1V
≈ 0mA
PCS-Rx
2.3-3.0V
0.0-0.1V
0.0-0.1V
10mA Max
Содержание M6100
Страница 1: ...Date February 2006 Issue 1 0 Service Manual Model M6100 Service Manual M6100 ...
Страница 3: ... 4 ...
Страница 15: ...3 TECHNICAL BRIEF 16 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM ...
Страница 40: ...3 TECHNICAL BRIEF 41 3 7 CAMERA IC AIT813 U701 Figure 3 18 AIT813 APPLICATION BLOCKDIAGRAM ...
Страница 42: ...3 TECHNICAL BRIEF 43 3 8 MIDI IC YMU787 U708 Figure 3 20 YMU787 BLOCKDIAGRAM ...
Страница 57: ...4 TROUBLE SHOOTING 58 4 1 RX Trouble 4 TROUBLE SHOOTING SKY74400 FEM 13Mhz OSCILLATOR Figure 4 1 TEST POINT ...
Страница 63: ...4 2 TX Trouble 4 TROUBLE SHOOTING 64 SKY74400 FEM 13Mhz OSCILLATOR TEST POINT Figure 4 2 ...
Страница 81: ...4 TROUBLE SHOOTING 82 Graph 4 10 a BLUE RST Graph 4 10 b DEBUG_TX RX Graph 4 10 c PCM_SYNCS TX RX USC0 ...
Страница 98: ...4 TROUBLE SHOOTING 99 4 16 Camera and Flash Trouble Camera Module CN802 U704 U705 Figure 4 17 ...
Страница 103: ...5 DOWNLOAD AND CALIBRATION 104 3 Click Start button and then connect the phone and the cable START BTN Click ...
Страница 109: ... 110 ...
Страница 119: ... 120 8 PCB LAYOUT ...
Страница 120: ... 121 8 PCB LAYOUT ...
Страница 121: ... 122 8 PCB LAYOUT ...
Страница 122: ... 123 8 PCB LAYOUT ...
Страница 123: ... 124 ...
Страница 131: ...10 STAND ALONE TEST 132 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 137: ... 138 ...
Страница 159: ...Note ...
Страница 160: ...Note ...