Vibrator Problems - Sony Ericsson C702 Troubleshooting Manual

Vibrator Problems

If the Vibrator is working properly on the TRS Fixture
then replace vibrator if not then continue with
Connection
between
Clean Pad B4200 A
Yes PBA GND and Yes
Clean Pad B4200 B
MP 79 (B4200_Pad B)
Ok
No
Is
Scrap
Yes L4204
PBA
Max 1.5 Ohm
SL 5 Replace
L4204 No
SL 4 Escalate
TROUBLESHOOTING
START
Step 1:
Load ITP SW into the phone
Step 2:
Use TRS Fixture
Connect: VBATT and DCIO/SEPI
Use Fault Trace SW and go to:
MMI-Misc-Init Screen Testing
Activate:
Vibrator Test
NOTE !
Vibrator Problems TRS guide
2.8 Volt
Pk-Pk Pulses at
MP 82 (C4206
VIBR_OUT)
No
Is
SL 5 Replace
MP 82 (C4206)
No N2000
short circuit to
SL 4 Escalate
Ground
SL 5 Replace
Yes C4206, C4207,L4202
SL 4 Escalate
Vibrator Problems
SEMC Troubleshooting Manual
C702
1221-7857 rev. 1 14 (115)