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mickstrum Thanks nyulnoi for the good review and photos. Great advice about the thermal compound. My device kept tripping out with an "OEP" error indicating a problem with the MOSFET. I dismantled it and found no thermal compound. in fact the heatsink was not even touching the MOSFET so it must have tripped an internal thermal cutout. Anyway, I applied the compound to both chips and everything is fine. 👍

nyulnoi 2020-08-26 09:08:49
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mickstrum There is a typo on the link, it should be : https://myosuploads3.banggood.com/products/20191029/201910290041521589474.rar I guessed the mistake and this corrected one should allow you to download a compressed file containing 3 x PDF with full instructions and manual.

2019-11-19 10:01:04 Helpful (4)
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mickstrum Check that you have soldered all of the 120 ohm resistors securely. They are very small and quite difficult to mount and solder if you are not experienced with SMD components. I use an illuminated desk magnifier to work with these components now I'm old (65) :( Also check soldering of all the IC legs. Good luck.

2018-12-12 03:22:14 Helpful (0)
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