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Dt50 212 Powerlight Goes On For A Second And Turns Dark


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#1 Rockrecorder

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Posted 04 May 2014 - 11:06 AM

Today I tried to switch my DT50 212 on. I flipped the power switch to 'on', while in standby mode The powerlight went on for a second and turned dark. The powerlight stays dark but the tubes are glooming. When I switch standby off, a humming comes from the speakers.

Playing a guitar does not work.


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#2 stumblinman

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Posted 04 May 2014 - 12:01 PM

Bad tube is my guess. May be drawing too much current, causing the voltage drop, which keeps the light from staying on. Humming and no sound is a pretty sure sign of bad tubes.
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#3 Rockrecorder

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Posted 04 May 2014 - 02:04 PM

Thanks for the tip but unfortunately that wasn't it. I exchanged all tubes but the problem stayed.


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#4 stumblinman

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Posted 04 May 2014 - 02:38 PM

Yeesh. Perhaps a bad transformer then. How old is your amp?

Thanks for the tip but unfortunately that wasn't it. I exchanged all tubes but the problem stayed.


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#5 Rockrecorder

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Posted 09 May 2014 - 07:28 AM

The transformer was ok, I checked power cables and connectors and found a bad power plug.

 

btw - The Amp was purchased February 2014. Thx for the support


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#6 Brazzy

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Posted 09 May 2014 - 10:05 AM

The transformer was ok, I checked power cables and connectors and found a bad power plug.

 

btw - The Amp was purchased February 2014. Thx for the support

 

Nice to know, Thanks for head up.


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