User Guide

NPE-4
6 - Troubleshooting PAMS Technical Documentation
Page 6-20 ãNokia Corporation. Original
Blue Tooth module faults
Flashing fails
V130 P52, P53, P54
VBAT = 3,6V
Failure in VBAT line
check X101 and X102
V130 P6, L133 P2
VREG = 2,7 - 2,86V
V130 P32, P49, P18
VAPPL = 1,7 - 3,3V
V130 P50
SYSCLK 0,5 - 0,8Vampl
26MHz (10ppm)
V130 P26
SLEEPCLK = 1,8V
32,768kHz (5%)
V130 P36
CBUS_CLK = 1,8V
1MHz
V130 P35
CBUS_Da = 1,8v
Data
V130 P37
LPRFint = 1,8v
Pulses of approx. 20ms
When BT is on in UI
Replace module
V130 P34
CBUS_Enx = 0V
When bus is active
Faulty PWB or UEM
Faulty PWB or N600
Faulty PWB or UEM
Faulty PWB or UEM
Faulty PWB or UEM
Faulty PWB or UEM
Faulty PWB or UEM
Faulty PWB or UEM
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
None easy
accessable