Phone Is Dead 1 - Nokia RH-37 Series Baseband Troubleshooting Instructions

RH-37
6(a) - BB Troubleshooting Instructions

Phone is dead 1

Phone is
Is VBAT=3.7VDC
(meas. on X2000)?
Is voltage
=3,7VDC at L2200 and
C2239
Is Pin 1 on
S2419 "high" when
power key is not
pressed?
Is Pin1 on
S2419=0VDC when
power key
is pressed?
Dead2
Page 8
dead
No
Yes
No
Yes
No
Yes
No
Yes
Nokia Corporation
Failure in
VBAT line,
check: X2000
Check: L2200
and C2239
Check R2423,
C2402
Check S2419,
PWB
Nokia Customer Care
Retest
Issue 1 07/04