You Can See More Details on My Blog https://www.stevenrhine.com/?p=131392 The miller Pulse Board 190734 and the Sequencer Board 190738 have Discontinued and are no longer available from Miller. I was told that it's been 15 years since miller has manufactured them for the flat face 250DX units. It also seems as if all the surplus stock has also been depleted as well. My Replacement Board Compatibility: RL-300548 Pulse Board, Replaces Miller Part Numbers 300548/237545/195344/215446 Slant Face 250DX/350LX (Only) RL-300547 Sequencer Board, Replaces Miller Part Numbers: 300547/239373/195345/215441 Slant Face 250DX/350LX (Only) RL-190734 Pulse Board will Replace Miller Part Numbers 190734 Flat Face 250DX (Only) RL-190738 Sequencer Board will Replace Miller Part Numbers 190739 Flat Face 250DX (Only) The RL-300547 & RL-300548 Boards will only work starting with Serial Numbers: LE282983 And Later For 250DX Models Serial #: LE223624 And Later For 350LX Models. The RL-190734 and the RL-190738 will only work with Serial Number Start: LA349426 to About October 2004 For 250DX Models. If you have an older style flat face 250DX at the end of the production run you may have a newer model serial # so use the Stock Number to get the proper manual. How to tell what pulse and sequencer board your machine requires. First use Your Serial Number and find your manual for your welder at https://www.millerwelds.com/support/manuals-and-parts/ Download the Owners or Parts manual and Search for PC2 and PC3 you will find the Part Number for your machine. ... https://www.youtube.com/watch?v=13uC_04rFqU

Xeltek Superpro 7000 Universal Programmer Teardown https://www.stevenrhine.com/?p=130422 Superpro 7000 socket protector https://www.printables.com/model/788212-socket-cover-for-xeltek-superpro-7000-universal-pr Xeltek Facebook User Group https://www.facebook.com/groups/xeltek You Can Get The Magic Chip / Mega Magic Accessories From Александр "Alexander" On his Xeltek Telegram Group. Just ask how to buy in the chat and he will message you. https://t.me/+NKjL11OEQUhiNzMy Yes, he is in Russia and mail is getting out to the usa. Telgram has great translation to english. Xeltek Superpro 7000 With Magic Chip https://youtu.be/HkmNUz2swK4 Xeltek Superpro 7000 Teardownn Video https://www.youtube.com/watch?v=YmDHjt77ZE8 Xeltek Users Facebook Group https://www.facebook.com/groups/xeltek Xeltek Suprpro 7000 https://www.xeltek-cn.com/en/sp7000.html If anyone has a reasonable source for the Oupiin 2348 Connectors let me know. Obsolete Oupiin 2348/2349 Series 1.0mm Mezzanine Connector https://www.oupiin.com/en/product_ii.html?c1=328&c2=94 #xeltek #electronicsrepair #testequipment #microcontroller ... https://www.youtube.com/watch?v=yCHup7-Lpb0