Motorola i760, Field Service Manual

Page: 89 / 112

FIELD LEVEL TEST MODES AND PROCEDURES: Reset Test
68P80400P94-O
8-11
8.11 Reset Test
Use this test on a unit having any of the following symptoms: unit resets, or unit powers off and then
on.
Reset
Set up the R-2660 for iDEN
Mobile operation, and connect the
unit to the RF IN/OUT connector.
Pass
Reset
Reset
Notes:
1. Verify that the unit has resets entries in the Reset log. See the Reset Log
Test.
2. Try to duplicate the failure.
3. Record information pertaining to the failure.
4. Monitor the unit at all times for visual resetting.
5. Make sure the R-2660 is set to a frequency in the unit bandmap.
Tap the
front (face) of the
unit with your
fingers.
Unit passed test.
Pass
No reset
SQE Reference Chart
Note:
Gen levels in the SQE
chart include RF Adapter
losses.
Gen SQE Level
-70 dBm >26
-80 dBm >25
-90 dBm >23
-100 dBm >20
Increase
attenuation 10 dB
at a time to confirm operation
in a weak-signal environment.
See the SQE Reference
chart.
Replace the
Main board, and
repeat test.
Replace the
Main board, and
repeat test.
Replace the
Main board, and
repeat test.
Power up the unit.
Enter Initial Registration mode
(see
Operating the R-2660
).
Place
unit in lock (press
Menu, Settings, Security,
Phone Lock
) and complete an
interconnect call. Leave call
connected for several
minutes.