Easy Flash Programming Does Not Work; Display Shows "Contact Service - Nokia RM-512 Service Manual

RM-512; RM-513; RM-514; RM-515; RM-543
Baseband Troubleshooting Instructions

Easy flash programming does not work

Context
The flash programming can be done via the easy flash connector. If failed, then follow up the trouble shooting
below.
It is not possible to verify if there is a short circuit in control and address lines of MCU (UPP8M) and memory
(flash) because BGA package is used in RM-512_513_514_515_543.
Troubleshooting flow
Figure 16 Easy flash programming fault

Display shows "Contact Service"

Troubleshooting flow
This error can only happen at power up where several self-tests are run. If any of these test cases fails the
display will show the message: "Contact Service".
They are individual test cases, so the below lineup of error hunting's has no chronological order. Use common
sense and experience to decide which test case to start error hunting at.
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