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
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 ...
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