Baseband Self Self-Test In Care Suite - Nokia 301 Service Manual

RM-839; RM-840; RM-841
BB Troubleshooting and Manual Tuning Guide
Non reworkable BB components
The X-GOLD614® IC (D2800) is non-reworkable. This means that if failure diagnostics leads to the conclusion
of defective D2800, the PWB has to be swapped with a working unit.
BB Main troubleshooting
The following sections contain in-depth trouble-shooting guides for various areas of the baseband circuit. It
is assumed that a battery simulator containing a valid BSI resistance is used to supply the phone, or a valid
battery is used.

Baseband self self-test in Care Suite

Context
Always start the troubleshooting procedure by running the Care Suite Product Support Tool (PST) self test. If
a test fails, please follow the diagram in the Baseband Main Troubleshooting section.
Dead or jammed device troubleshooting.
If the phone is dead and you cannot perform the self tests, go to
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