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I'm looking at a board lying around in my home and have no idea what it is, expect for the fact that it appears to be power-related. There's a transformer in the corner, many relays, 2 LM2596s, and a rack of 2N6039G transistors in the right corner.

Pics are below.

Right click and select "View Image" to enlarge images. enter image description here enter image description here enter image description here

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Obviously of Chinese origin. It appears to be some kind of sequence logic control board.

Perhaps a massage chair controller or something industrial.

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  • \$\begingroup\$ Just curious, but how did you tell? \$\endgroup\$
    – user25603
    Jul 3, 2014 at 19:47
  • \$\begingroup\$ The words "EASEPAL" and "EC-589A" may be clues that a search engine can decode for you ;) \$\endgroup\$
    – RedGrittyBrick
    Jul 3, 2014 at 19:49
  • \$\begingroup\$ Can you explain how the chinese origin is obvious? Looking at just the board, I can't find anything that would indicate that. Only googling the EASEPAL did it reveal china. I'm just trying to hone my PCB identification skill, not questioning yours. Purely academic. \$\endgroup\$
    – Funkyguy
    Jul 3, 2014 at 20:26
  • \$\begingroup\$ I'm guessing Spehro googled it and left us to find out how could he be so precise \$\endgroup\$
    – Vladimir Cravero
    Jul 3, 2014 at 20:28
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    \$\begingroup\$ @ShannonStrutz The relays are from two different Chinese manufacturers (Hong Fa and OEG), the PCB is made by a Chinese maker not in the Pearl River Delta area (Zhejiang province), the caps are no-name, the sticker looks Chinese, L2596 are common in China, the heat sinks look kind of crude etc. etc. \$\endgroup\$
    – Spehro Pefhany
    Jul 3, 2014 at 21:02
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It is a massage chair controller by Xiamen Comfort Science & Technology Group Co., Following is a link to the LtdEC-570 Maintenance Service Manual. https://www.manualslib.com/manual/986236/Easepal-Ec-570.html Happy relaxing!

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