4. TROUBLE SHOOTING
- 54 -
START
I/O Connector(CN300)
Is well-soldered ?
Voltage at anode of
D101 = 5.2V ?
Q102,D101,R129 are
well-soldered?
YES
YES
YES
Voltage across R129 is
about 10~100mV?
YES
0.7V < voltage(R131) < 1.3V?
YES
Battery is charged?
YES
Charging is
properly operating
NO
NO
NO
NO
NO
NO
Resolder the CN300
Pin 4,5 : VCHARGE
Pin12,19 : GND
The TA is out of order
Change the TA
Resolder the
Q102, D101, R129
Replace the
Q102 , D101
Replace the
Q102
The battery may have
problems.
Change the battery.
Checking Flow
Содержание KG225
Страница 1: ...Date April 2006 Issue 1 0 Service Manual Model KG225 Service Manual KG225 M O B ILE CAM E R A ...
Страница 3: ... 4 ...
Страница 19: ...3 TECHNICAL BRIEF 20 Figure 3 4 SYSTEM INTERCONECTION OF AD6720 EXTERNAL INTERFACE ...
Страница 66: ...4 TROUBLE SHOOTING 67 4 12 KEY backlight Trouble Q300 R359 TEST POINT Figure 21 ...
Страница 79: ... 80 5 DOWNLOAD B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...
Страница 82: ... 83 5 DOWNLOAD 7 Check if the ADI option is set to Hermes 8 Press OK to end Configuration Select Rate ...
Страница 84: ... 85 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Страница 85: ... 86 ...
Страница 92: ... 93 KG225 8 PCB LAYOUT ...
Страница 93: ... 94 KG225 8 PCB LAYOUT ...
Страница 101: ... 102 10 STAND ALONE TEST Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 109: ... 110 ...
Страница 125: ...Note ...
Страница 126: ...Note ...