FAULT FINDING
Issue 1 Section 8 PMCD030901C8
Revision 0 – 50 – Service Manual
Test points TPEH18 and TPEJ15 can be found under the Baseband shield. For location of other test points, see Section 7.2..
Supply to FLASH initialised. TP127 2.0 V DC Regulated supply to FLASH memory suspect.
Code is run from FLASH memory If handset does not power on, refer to the chart below.
Power-on sequence Test Point
Expected
Output
On failure
Upload the latest
approved software.
NO
YES
FLASH memory suspect.
YES
START
Is the
handset powered
down with no regulated supply
from SYREN?
Is
the phone
switched-on?
Attempt to power on the
phone.
NO
10750-1
(BASEBAND SHIELD REMOVED)
10759-1
TPEJ15
TPEH18
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