Sqe Test - Motorola iDEN i530 Field Service Manual

8.5

SQE Test

Use this test on a unit having any of the following symptoms: No service failures or poor SQE/RSSI (poor
performance in known good coverage area).
Set up the R-2660 for iDEN
Mobile operation, and connect the
unit to the RF IN/OUT
connector. See Figure 7-1 on page
Connect the regulated battery
eliminator to the unit to be
tested. Remove the antenna
from the unit. Set the power
supply 7 Vdc.
the unit can complete an
interconnect call. Press End/Home
until the unit displays Ready. Press Intercon-
nect (3:1 or 6:1) and Start on the R-2660. Wait for the
green LED to light. Press Send on the unit.
Leave call connected for
the next test.
Pass
in debug mode (see
Entering Debug Mode). Press
Trace to monitor the SQE & TX level.
Press RF in the R-2660 and arrow down to Gen:.
Verify that it is set to -70dBm.
Verify that the SQE is
greater than
Pass
Gen: to -80 dBm, and
check the SQE Reference chart to
verify the unit's SQE per Gen:
output using the
Pass
68P80400P65-O
7-3.
Initial Registration mode (see
Operating the R-2660.) Press Start.
Pass
The Call SEQ: 1 thru 6 lights up
Verify that
Note:
Place unit
26.
Change
chart.
FIELD LEVEL TEST MODES AND PROCEDURES: SQE Test
Notes:
1. Watch unit for resetting during this procedure.
2. Master reset can be completed on the unit by pressing Menu,
Settings, Security.
3. Registration and calls might take over 1 minute to complete.
4. See the Strong Signal Environment section in Chapter 7.
Power
up the unit. Enter
when unit has
registered.
Fail
Perform the
Registration/Call test.
Fail
Fail
Unit passed test. Look for
system, coverage, accessory, or
software problems.
Perform the
Fail
Registration/Call
test.
SQE Reference Chart
Gen SQE Level
-70 dBm >26
-80 dBm >25
-90 dBm >23
-100 dBm >20
Note: Gen levels in the SQE
chart include RF Adapter
losses.
Replace the
Main board.
Replace the
Main board.
8-5