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yamaha m-60 amplifier stopped powering up after cover removed, is there a reset switch?!?

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bradley knox

New Member
I had this happen with a marantz model 18 that when I removed the cover, it switched the unit off and had to be manually reset. I removed the cover to take a look at the condition of the inside of this m-60, wiped off a little dust and replaced the cover. thats it. now the amp won't power up at all. could this be a fuse? It was powering up fine before and the protection light wasn't on so there was no indicator that anything was amiss. any help would be tremendously helpful!
 
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It would appear you may have disturbed something while dusting. How vigorous were you with the dusting?

Don't just go for a fuse, there is always a reason a fuse blows and replacing it doesn't find the root cause and may result in additional damage.

Do you have basic electronic fault finding skills?
 
bradley knox said:
I had this happen with a marantz model 18 that when I removed the cover, it switched the unit off and had to be manually reset. I removed the cover to take a look at the condition of the inside of this m-60, wiped off a little dust and replaced the cover. thats it. now the amp won't power up at all. could this be a fuse? It was powering up fine before and the protection light wasn't on so there was no indicator that anything was amiss. any help would be tremendously helpful!
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Start by troubleshooting with the service manual. It's available at hifiengine. Just make a free account to download.

http://www.hifiengine.com/manual_library/yamaha/m-60.shtml

Good luck!
 
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