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Author Topic: Amiga 2000: No Sound  (Read 3686 times)

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Offline Ral-Clan

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Re: Amiga 2000: No Sound
« on: November 21, 2006, 06:58:49 PM »
Does your floppy drive still work?  It might be that the Paula chip is having problems.  Otherwise it might be something in between the Paula chip and the sound output jacks (I'm not sure if there is some sort of pre-amp to bring the sound to line-level or not).
Music I've made using Amigas and other retro-instruments: http://theovoids.bandcamp.com
 

Offline Ral-Clan

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Re: Amiga 2000: No Sound
« Reply #1 on: November 22, 2006, 09:06:30 PM »
The Paula for an A2000 is not too hard to find.  In fact, you can use a Paula from an A500, which are very common on Ebay (and not too expensive).  I'm sure some Amiga dealers also have the Paula chips themselves for sale.

Actually, I think the Paula chip remained virtually unchanged in all the Amiga models....so you might be able to use any Paula chip in your A2000.  But check into this before you use one not from an A500/2000.

Also, try reseating your Paula chip (just press down on it after you have grounded yourself to prevent static electricity from ruining it).  It might have become unseated through the years (temperature extremes, vibration, etc.).
Music I've made using Amigas and other retro-instruments: http://theovoids.bandcamp.com
 

Offline Ral-Clan

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Re: Amiga 2000: No Sound
« Reply #2 on: November 24, 2006, 03:40:03 PM »
This might seem obvious, but have you ruled out your speakers as the cause of the failure?

Have you tried the Amiga with all new cables & speakers?

Is there a Digital to analogue convertor between the Paula and the RCA outputs?  I'm just thinking, if it's not the Paula, and not the jacks, cables or monitor, and not a software problem, then it must be something in between the Paula and the RCA jacks.  Maybe a line-level pre-amp or D/A circuitry.  Maybe just a dead capacitor or resistor or something.  Anyway, it sounds like this Amiga can be fixed if you're willing to put out a little cash or effort.
Music I've made using Amigas and other retro-instruments: http://theovoids.bandcamp.com
 

Offline Ral-Clan

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Re: Amiga 2000: No Sound
« Reply #3 on: November 24, 2006, 07:48:11 PM »
Ok, but test your Amiga with a different power supply before you try the new Paula chip.  You don't want the new Paula chip to be damaged if there is a problem with your original power supply.

Sorry to hear of your problems.  We've all had them.  But I do think that getting Amigas fixed (repaired) rather than trashing them is a good idea, even if it is slightly costly.  The supply of A2000 motherboards is finite.  Every time a user trashes one rather than going the extra mile to get it repaired means one less A2000 out there!  They may still seem plentiful on Ebay at the moment, but they aren't getting any cheaper there either (which is amazing for a 15 year old computer, ain't it?).
Music I've made using Amigas and other retro-instruments: http://theovoids.bandcamp.com