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
Summary of Contents for EBX70 - CELL PHONE
Page 80: ...LAYOUT DIAGRAMS Issue 1 Section 12 PMCD030901C8 Revision 0 78 Service Manual ...
Page 81: ......
Page 82: ...PMCDE UK030902000PJ ...