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Help with Helder TK2050 board
Help with Helder TK2050 board
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Old 4th January 2011, 02:45 AM   #1
mixmechanic3 is offline mixmechanic3  United States
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Join Date: Aug 2006
Default Help with Helder TK2050 board

I recently received 4 TK2050 boards from Arjen Helder. First impressions were very positive. After only about 10 hours of use, one has no output. The 7805 regulator gets very hot immediately. I will pick up another regulator tomorrow to see if it helps. Does anyone have experience with a similar issue. Is the amp history?

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Old 4th January 2011, 04:13 PM   #2
julcat is offline julcat  Mexico
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Join Date: Sep 2009
I have 4 TK2050 boards from arjen and they all work without any problems, in general Arjen's products have good reputation of quality and sound.
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Old 8th January 2011, 04:04 AM   #3
Homl is offline Homl  Canada
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Join Date: Nov 2003
Have you double check for DC offset at the output?

One of my boards had a significant amount of DC offset. I just turn the little blue pot to set it back close to zero.
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Old 9th January 2011, 05:27 AM   #4
ArjenShenzhen is offline ArjenShenzhen  China
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Join Date: May 2008
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Hi there, Mixed mechanic,

Have you contacted me already for this problem ?

Ill help you out of course. i've noticed that some of the board of the previous lots have some fall-out issues, so of course your problems fall within the usual warranty.


Arjen Helder
Always check the power supply... and my spelling...
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