TS-100 Soldering Iron USB C PD Mod – 20V via internal adapter

Used DIY ultrasonic cutter to remove the excess plastic

The USB C PD adapter is called “ZYPDS” by YZXStudio you want the smallest model from here:   The module is lowest cost from this Ebay seller: https://www.ebay.com/itm/Type-C-USB-C-PD2-0-3-0-to-DC-USB-fast-charge-trigger-Poll-detector-9v-12v-15v-20/233102637939 But can also be purchased at these other sites: https://www.aliexpress.com/item/Freeshipping-ZY12PDS-Type-C-USB-C-PD2-0-3-0-Turn-DC-USB-Deception-Fast-Charging/32972893908.html OR https://www.aliexpress.com/item/Type-C-USB-C-PD2-0-3-0-TO-DC-USB-decoy-fast-charge-trigger-Poll/32969919810.html OR https://www.ebay.com/itm/Super-Mini-ZYPDS-DC-mini-20V-trigger-support-millet-65W-PD-power-supply-/132714794782

Dip Soldering Notes

Place all through hole parts on PCB. Wet underside with kester 951, 959T or similar liquid flux (not sure which is best yet) Place over PCB preheater set to ~220C for ~125C board temp. – 100C is probably a better temperature for this. – may be better to preheat board then quickly flux then dip.… Continue reading Dip Soldering Notes

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Tektronix TDS784C SRAM replacement DS1486-120 DS1250Y-100

These battery backed SRAM and clock modules have a shelf life of 10 years, mine are at 17 years and still working as luck would have it! but if the SRAM fails you loose all installed options. http://www.mcamafia.de/mcapage0/dsrework.htm http://www.walshcomptech.com/ps2/dallasrework.html http://www.ko4bb.com/manuals/index.php?dir=Tektronix/Tektronix_-_TDS784_TDS794_Digital_Phosphore_Oscilloscope

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