4. TROUBLE SHOOTING
- 68 -
4.14 SIM Detect Trouble
Connection between SIM and DBB
• SIM_CLK, SIM_IO, SIM_RST
Check Points
• Contact between SIM and socket
- Soldering of SIM socket
Trouble Shooting Setup
• Insert the SIM into socket
- Connect PIF to the phone, and power on.
Trouble Shooting Procedure
• Check the power supply.
- Check the soldering of SIM socket.
-. Check the SIM.
➀
➂
➅
➃
SIM CONNECTOR
VCC
1
VPP
5
V_SIM
V_SIM
J600
CLK
3
4
GND1
GND2
7
8
GND3
9
GND4
GND5
10
6
IO
2
RST
0.1u
C607
150p
C608
10K
R621
C606
22p
SIM_IO
SIM_CLK
SIM_RST
Z3X-BOX.COM
Содержание MG220
Страница 1: ...Date May 2006 Issue 1 0 Service Manual MG220 Service Manual Model MG220 Z 3 X B O X C O M ...
Страница 3: ... 2 Z 3 X B O X C O M ...
Страница 5: ...Z 3 X B O X C O M ...
Страница 32: ...3 H W Circuit Description 31 Figure 14 Power Supply Scheme Z 3 X B O X C O M ...
Страница 46: ...4 TROUBLE SHOOTING 45 4 TROUBLE SHOOTING 4 1 Main Components Placement Z 3 X B O X C O M ...
Страница 91: ...5 DOWNLOAD 90 5 2 Download Procedure 5 2 1 Computer Program file MultiGSM EXE Click Z 3 X B O X C O M ...
Страница 93: ...5 DOWNLOAD 92 5 2 3 Configuration Setting C GSMULTI Model MG220 dll Z 3 X B O X C O M ...
Страница 94: ...5 DOWNLOAD 93 5 2 4 Press Start Button Z 3 X B O X C O M ...
Страница 95: ...5 DOWNLOAD 94 5 2 5 After Start Button Which Stand by condition Z 3 X B O X C O M ...
Страница 96: ...5 DOWNLOAD 95 5 2 6 SW downloading Condition MG220 Z 3 X B O X C O M ...
Страница 97: ...5 DOWNLOAD 96 5 2 7 SW downloading END Condition Z 3 X B O X C O M ...
Страница 99: ...6 SERVICE AND CALIBRATION 98 4 Click on CALIBRATION START button Z 3 X B O X C O M ...
Страница 108: ... 107 8 pcb layout Z 3 X B O X C O M ...
Страница 109: ... 108 8 pcb layout Z 3 X B O X C O M ...
Страница 113: ... 112 Z 3 X B O X C O M ...
Страница 129: ...Note Z 3 X B O X C O M ...
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