Nokia NHL-2NA Series Troubleshooting Instructions page 59

CCS Technical Documentation
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Is BER < =
BT Failure No
0.1%?
Part III
BT OK!
Issue 1 07/02
Yes
Yes
¤Nokia Corporation
BT Failure
Part II
(BER Failure)
Test Pogo-Pin
connection to BT
antenna
with multimeter
Are the Pogo-
Pins electrically
Replace
connected to
No BT antenna
BT antenna
(i.e.new chassis)
(i.e. short
circuit)?
Yes
Visually check BT
antenna
Is BT antenna
attached
properly to
chassis?
Yes
Check soldering of
BT MCM with
microscope
Is BT MCM Is soldering so
propely bad that you
No
soldered to the must remove
PWB? BT MCM?
Re-solder
Yes
BT MCM
Can you make
a connection to No BT Failure
BT Box? Part III
NHL-2NA
No
Production Only
Yes Replace BT MCM
No
Re-Flash phone
using option
BT ONLY
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Page 53