Phone Is Totally Dead - Nokia RH-17 Series Troubleshooting - Bb

RH-17
Troubleshooting — BB

Phone is totally dead

Phone is
dead
Phone current is
zero or too high?
No
Phone current is
<= 30 mA
No
Phone current is
35 mA
Yes
Is phone in LOCAL
MODE ?
Yes
OK restart
Page 34
Yes
Yes
Is phone flash
programing OK ?
No
Check BSI line
No
X101, R203,
R206, C230 are
they OK
No
Nokia Corporation
CCS Technical Documentation
- If current is zerro check X101
make sure Vbatt connector makes
contact.
-If current is too high check for
shorts
- Make sure all BB regulators are at
their respective voltage levels like
VANA, VIO, VCORE(DC-DC),
VFlash1, and VR3. See phones top
view diagram for test points.
- Make sure the System Clk is
19.2MHz and that the Sleep Clk is
32KHz
- Also make sure PURX and SleepX
signals are high (1.8V).
Yes
No
Yes
Change UEM
Repair
Confidential Issue 1 04/2003