Motorola I580 service manual Reset Test

FIELD LEVEL TEST MODES AND PROCEDURES: Reset Test

8.11Reset Test

Use this test on a unit having any of the following symptoms: unit resets, or unit powers off and then on.

Set up the R-2660 for iDEN Mobile operation, and connect the unit to the RF IN/OUT connector.

Power up the unit.

Enter Initial Registration mode (see Operating the R-2660).

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.

Place

unit in lock (press

Menu, Settings, Security,

Phone Lock) and complete an interconnect call. Leave call connected for several minutes.

Reset

Replace the

Main board, and

repeat test.

SQE Reference Chart

Gen	SQE Level
-70 dBm	>26
-80 dBm	>25
-90 dBm	>23
-100 dBm	>20

Pass

Increase

attenuation 10 dB

at a time to confirm operation in a weak-signal environment.

See the SQE Reference

chart.

Note: Gen levels in the SQE chart include RF Adapter losses.

Reset	Replace the
	Main board, and
	repeat test.

Pass

Tap the

front (face) of theReset unit with your

fingers.

No reset

Unit passed test.

Replace the

Main board, and

repeat test.

70 68P80401P05