Motorola i760, Field Service Manual

Page: 88 / 112

FIELD LEVEL TEST MODES AND PROCEDURES: Audio Test
8-10
68P80400P94-O
8.10 Audio Test
Use this test to check the audio portion of the unit.
Pass
Pass
Pass
Fail
Set up the R-2660 for iDEN
Mobile operation, and connect the
unit to the RF IN/OUT connector.
Notes:
1. Verify that the unit can pass the SQE test before performing the
Audio test.
2. This test checks outbound interconnect signals using the earpiece.
Press
PTT
on the R-2660, and speak
into the microphone. Listen to your
reply in the unit’s earpiece. You might
have to increase volume
to maximum.
End the
interconnect call.
Initiate the dispatch call
(see the Registration/Call test).
Press the
PTT
on the R-2660, and
speak into the microphone. Listen
for a reply from the
speaker.
Unit passed test.
Complete a call.
Talk into the microphone, and
listen for your reply from the
R-2660 speaker.
Pass
Pass
Pass
Perform Registration/Call
troubleshooting procedure.
Replace the
Main board.
Fail
Pass
Replace
the Housing Assembly
Containing the
Speaker
Replace the
Main board.
Fail
Fail
Fail
Fail
Place an
interconnect call. (See
Registration/Call test.)
Note:
Set the R-2660
volume to maximum.
Fail
Replace the
Main board.
Replace
the frame assembly
containing the earpiece
and repeat the
test.
Replace
the microphone
assembly on the frame
assembly and repeat
the test.