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Author Topic: Yamaha GA series output xlrs dead...  (Read 1583 times)

Scott MacAuley

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Yamaha GA series output xlrs dead...
« on: April 03, 2007, 09:41:41 pm »

I was asked to look at not one but TWO GA32's with dead or dying xlr program outputs. I have not dived in yet but I have had the same failures with my MX200 consoles. Has anyone else had this problem with the GA's. There is a third one that is apparently gone intermittent and I have not had time to go look at it.
I'm not looking to knock them I happen to be a Yamaha Fan.
Any experience shared would be appreciated.
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Charlie Jeal

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Re: Yamaha GA series output xlrs dead...
« Reply #1 on: April 03, 2007, 11:16:01 pm »

Having just seen this happen with a GA32 a couple of months ago.

1: The ribbon connectors on the boards are awful you need to hot glue them down.
2: The connectors between the boards are nasty cheap computer ones remove them and solder the connections instead.
3: The soldered joints on all the XLR connectors both ins and outs are prone to cracking so you need to check all of them and resolder where needed.

So you basically need to take them both apart and give them a thorough check over.

Charlie

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Scott MacAuley

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Re: Yamaha GA series output xlrs dead...
« Reply #2 on: April 04, 2007, 11:56:19 am »

Thanks
The MX200 problems I found were similar. The xlr output board also contained the balancing circuts and the chips were blown in both probably from losing the 1/2 the supply at some time.
I was hoping it would be connector issues and not chips on the thing.
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