4. TROUBLE SHOOTING
- 66 -
START
I/O Connector(CN300)
Is well-soldered ?
Voltage at anode of
D102 = 5.2V ?
Q100,D102,R106 are
well-soldered?
YES
YES
YES
Voltage across R106 is
about 10~100mV?
YES
0.7V < voltage(R108) < 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
Q100, D102, R106
Replace the
Q100, D102
Replace the
Q100
The battery may have
problems.
Change the battery.
Checking Flow
Содержание C2100
Страница 1: ...Service Manual Model C2100 Service Manual C2100 P N MMBD0048201 Date April 2005 Issue 1 0 ...
Страница 54: ...4 TROUBLE SHOOTING 55 4 2 TX Trouble SW500 U503 X500 FL500 U501 U505 5 4 1 3 2 Test Points Figure 4 7 ...
Страница 70: ...4 TROUBLE SHOOTING 71 4 7 MIC Trouble Soldering Check U203 C225 C224 C230 Test Points Figure 4 18 ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 10 KEY backlight Trouble Test Points Figure 4 21 ...
Страница 104: ... 105 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 117: ...Note 118 ...
Страница 119: ......
Страница 135: ......