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TROUBLESHOOTING: High Audio Speaker Test
3.12 High Audio Speaker Test
Use this test on a unit with the following symptoms: no high speaker audio
Measure the resistance
the speaker resistance
Remove the back housing assembly.
Check continuity from the flex
Connector J405 pin 1 and pin 2
With the back housing assembly
disconnected, in the Model Assembly
Test Mode, set the unit for Speaker
88
across the speaker
contacts
Is
approx. 8
ohms
Pass
speaker contacts
Is
Fail
there continuity
?
Pass
Tone test.
Continued
on next
page
Replace
Fail
back housing
assembly.
Replace
back housing
assembly.
6880401P26-O
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