4. TROUBLE SHOOTING
- 68 -
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
Is the voltage at pin 3
of Q300 high ?
YES
NO
Resolder R353, R354
Is the voltage at pin 2
of Q300 low ?
YES
Is the voltage at pin 1
of Q300 high ?
YES
Check the soldering
of CN601 ?
YES
Check the soldering
of vibrator ?
YES
Replace vrbrator
YES
Vibrator
working well !
Check the soldering
of R353, R354
YES
NO
Resolder R351
Check the soldering
of R351
YES
NO
NO
NO
Resolder CN601
Check the soldering
of R350
YES
NO
Resolder R350
Replace Q300
NO
Resolder vibrator
NO
Checking Flow
Summary of Contents for C2100
Page 1: ...Service Manual Model C2100 Service Manual C2100 P N MMBD0048201 Date April 2005 Issue 1 0 ...
Page 76: ...4 TROUBLE SHOOTING 77 4 10 KEY backlight Trouble Test Points Figure 4 21 ...
Page 104: ... 105 8 PCB LAYOUT ...
Page 105: ... 106 8 PCB LAYOUT ...
Page 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 117: ...Note 118 ...
Page 119: ......
Page 135: ......