General Baseband Troubleshooting; Important Test Points; Flash Programming Does Not Work - Nokia RH-99 Service Manual

RH-99; RH-100; RH-105; RH-106
Baseband troubleshooting

General baseband troubleshooting

Important test points

Introduction
Measuring power suppliers is usually earlier step during troubleshooting. The following picture illustrates
the test points for power suppliers.
Figure 8 Test points for power suppliers

Flash programming does not work

Troubleshooting flow
The flash programming can be done via the pads on the PWB (J2060).
In case of Flash failure in FLALI station, swap the phone and send it back to the care program for further
analysis. Possible failures could be short-circuit of balls under µBGAs (UEMCLite, UPP, FLASH). Missing or
misaligned components. In flash programming error cases the flash prommer can give some information
about a fault. The fault information messages could be:
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