User Guide

NPL-1
6 - Troubleshooting PAMS Technical Documentation
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Flash programming doesn’t work
If fault information from Prommer is:
Phone doesn’t set FBUS_TX line low
Check the connections:
X100 p11 - R101
X100 p12 - R104
X100 p13 - R100
Connection ok?
Yes
Try reading MCU ID
with Phenix
Reading ok?
Solder / replace faulty
component
Replace either UEM or UPP
No
Try reading Flash ID with
Phenix
reading ok?
Yes
No
Yes
Flash again
Yes
F
lash programming
No
Replace Flash