Toshiba TDP-P5 Service Manual page 66

No audio from the speaker
Check speaker resistance (page 77).
Does it measure
7-8 ohms?
No
Does it measure less
than 4 ohms?
No
Replace the speaker
(page 30).
TDP-P5 Service Manual
Connect a known good 8-ohm
Yes
speaker in place of the existing
speaker.
Is audio OK?
No
Replace the controller ECA
(page 28).
Replace the speaker (page 30), but note that a speaker with very low
resistance can damage the audio amp on the controller ECA. Run
the projector with audio for about 30 minutes. If the problem returns,
Yes
replace both the controller ECA and the speaker if the resistance no
longer measures between 7.5 and 8 ohms.
Problem resolved
Yes
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