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07-09-2009, 03:19 AM
| #1 |
| Junior Member Join Date: Jul 2009
Posts: 2
| Peavey M100 Help!!
Have a Peavey messenger m100 portable powered mixer pa system Everthing works input cd, mics, headphones, line out BUT...... Both Main L and R speaker ouputs do NOT work..... Bad power amp?? Speaker output relays?? Fuses?? How could I fix or Test....? Please Help....! |
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08-17-2009, 06:48 AM
| #2 |
| Senior Member  Join Date: Jun 2008
Posts: 337
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check the speakers first.
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08-17-2009, 09:32 AM
| #3 |
| Senior Member Join Date: May 2006 Location: Lansing, Michigan, USA
Posts: 10,352
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The power amp is class D, and one chip handles both channels. Are all the connectors on the power map board on fully? The power amp runs on +25/-25VDC - are BOTH present at CN100? Between the chip and Q101 transistor is a zener diode DZ101. is there about 5 or 6 volts across it?
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