Motorola I580 ユーザーズマニュアル

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FIELD LEVEL TEST MODES AND PROCEDURES:  Signal Quality Error (SQE) Test
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68P80401P05
8.5
Signal Quality Error (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).
Place unit
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
26.
Verify that
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.
Note: Leave call connected for
the next test.
Fail
Power
up the unit. Enter
Initial Registration mode (see
Operating the R-2660.) Press Start.
The Call SEQ: 1 thru 6 lights up
when unit has
registered.
Replace the
Main board.
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.
Pass
Pass
Change
Gen: to -80 dBm, and
 check the SQE Reference chart to
verify the unit’s SQE per Gen:
output using the
chart.
Pass
Unit passed test. Look for
system, coverage, accessory, or 
software problems.
Pass
Fail
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
Fail
Perform the
Registration/Call test.
Perform the Registra-
tion/Call test.
Replace the
Main board.
Connect the regulated battery 
eliminator to the unit to be 
tested. Set the power supply 7.0 
Vdc.
Fail
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 
7-3.