C702
1221-7857 rev. 1
TROUBLESHOOTING
Vibrator Problems
TROU
B
L
E
S
H
O
OTIN
G
SL 5 Replace
N2000
SL 4 Escalate
Clean Pad B4200 A
Clean Pad B4200 B
Yes
2.8 Volt
Pk-Pk Pulses at
MP 82 (C4206
VIBR_OUT)
No
Yes
No
Connection
between
PBA GND and
MP 79 (B4200_Pad B)
Ok
Is
MP 82 (C4206)
short circuit to
Ground
No
Yes
SL 5 Replace
C4206, C4207,L4202
SL 4 Escalate
Scrap
PBA
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 !
If the Vibrator is working properly on the TRS Fixture
then replace vibrator if not then continue with
Vibrator Problems TRS guide
Is
L4204
Max 1.5 Ohm
Yes
SL 5 Replace
L4204
SL 4 Escalate
No
Vibrator Problems
SEMC Troubleshooting Manual
14
(115)
Summary of Contents for C702
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