Leak stereo 70 just went pop!

[andyrlb]

Yes I plugged it in again and it literally went pop, no smoke , it still powers up ok but I’m no longer getting any sound accept a slight hum , any ideas ? It did sound damn good last week when I first tried it .https://uploads.tapatalk-cdn.com/20181005/b50728366a8b673d0ffa16a683e5271d.jpg


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[Mixc]

Hi Have you unplugged the 4 daughter boards and had a look?

[andyrlb]

Hi Have you unplugged the 4 daughter boards and had a look?

Not as yet , I’ll take look at those tomorrow, cheers [emoji1303]


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[andyrlb]

And this morning it’s all working again Hmmm


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[nutteronthebus]

Hi you can get the cct diagram from https://www.hifiengine.com/manual_library/leak/stereo-70.shtml

[andyrlb]

Hi you can get the cct diagram from https://www.hifiengine.com/manual_library/leak/stereo-70.shtml

I have the originals, thanks though [emoji1303]


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[Audio Al]

And this morning it’s all working again Hmmm


Did someone put a shilling in the meter ? :)

[andyrlb]

And this morning it’s all working again Hmmm


Did someone put a shilling in the meter ? :)

[emoji23][emoji23]
Very bizarre but now it’s working perfectly on ALL inputs ! Sounds bloody good too


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[walpurgis]

Very bizarre but now it’s working perfectly on ALL inputs ! Sounds bloody good too

Needs a good service I reckon.

[andyrlb]

Needs a good service I reckon.

I agree Geoff , and a headphone bezel !!


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[walpurgis]

and a headphone bezel

That shouldn't be too hard to track down. You may find a toggle switch bezel fits.

[walpurgis]

Should it look anything like the bezel on this Neutric jack socket?

https://www.ebay.co.uk/itm/REAN-Neutrik-AG-NYS2152-0-25in-Chrome-Bezel-Mono-Jack-Socket/132609230402?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

[struth]

[emoji23][emoji23]
Very bizarre but now it’s working perfectly on ALL inputs ! Sounds bloody good too


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maybe a cap playing up.

[andyrlb]

Should it look anything like the bezel on this Neutric jack socket?

https://www.ebay.co.uk/itm/REAN-Neutrik-AG-NYS2152-0-25in-Chrome-Bezel-Mono-Jack-Socket/132609230402?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m1438.l2649

I’ve just been looking on there too and found plenty of the nut type 6.5mm ones but I think it should be a gnarled type or a plain chrome ring , I know it doesn’t make a lot of difference but my ocd won’t allow me to fit the wrong type ( coz I’m nuts [emoji16]) https://uploads.tapatalk-cdn.com/20181006/81c2a53fbcdccd8d3c1b9e529acb76cf.png


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[Primalsea]

Sounds like it could be a dry joint or broken connection. You can poke the insides with a wooden dowel while the amp is on and plugged into the system. If there is a bad joint and you find it with the dowel you’ll hear it through the speakers.

I might have a plastic bezel for a 6.35mm socket I can send you, if I can find it?

[andyrlb]

Sounds like it could be a dry joint or broken connection. You can poke the insides with a wooden dowel while the amp is on and plugged into the system. If there is a bad joint and you find it with the dowel you’ll hear it through the speakers.

I might have a plastic bezel for a 6.35mm socket I can send you, if I can find it?

Hi Paul, thanks for the advice and the offer of the bezel which I have now got.

Thanks


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[sumday]

Is there a capacitor fitted across the power switch?
I understand these are used to reduce arcing inside the switch.

I've had vintage kit in the past where this cap burns out after prolonged storage....there may be a crack and small puff of smoke causing one to kill the power in a panic. Then when you power back up.....no perceived fault

Worth a check.

[andyrlb]

Is there a capacitor fitted across the power switch?
I understand these are used to reduce arcing inside the switch.

I've had vintage kit in the past where this cap burns out after prolonged storage....there may be a crack and small puff of smoke causing one to kill the power in a panic. Then when you power back up.....no perceived fault

Worth a check.

Well I now wonder if the fuse with the spring in it could have made the pop sound ? I have had the amp running all day yesterday and for most of this morning and it’s fine .


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[Audio Al]

Lets hope it stays that way for you Andy ;)