Repairing broken traces on an Apple Lisa [LIVE]

At a glance this PCB looked fine, but hiding under one of the connectors were more broken traces than I could have imagined. Today I’ll be repairing the Apple Lisa backplane board live, carefully rebuilding the damaged tracks and seeing if we can bring this piece of computing history one step closer to life. #retrocomputing #apple #macintosh Do you like my funny t-shirts? I buy all of them from Qwertee. Use the discount code: BranchusCreations to get £1/€1/$1 off your order. Check out the range here: https://bit.ly/3OrJZkT Stirri Product range (affiliate link) includes 10% discount: https://stirri.com/BRANCHUS Tinker Different https://tinkerdifferent.com #retrocomputing #apple #computerrepair #lisa If you enjoy the content and would like to support the channel, please consider becoming a Patron:   / branchuscreations   Of if would like to make a small donation, you can do so here: https://www.paypal.me/branchus Tools/Products used (paid links): SOLDERING IRON Hakko FX951: https://amzn.to/31QvCMW Budget alternative (uses T12 tips): https://amzn.to/46wfQrL SOLDERING IRON TIPS: Bevelled edge soldering iron tip (T12-BC2): https://amzn.to/45NSrBK Small bevelled soldering iron tip (T12-C1): https://amzn.to/3YVH5K0 Bent conical soldering iron tip (T12-JL02): https://amzn.to/3sx8lSU Chiselled soldering iron tip (T12-KU): https://amzn.to/44tAo2A HOT AIR STATION: Quick 861DW: https://amzn.to/2ZjYzPH Budget alternative: https://amzn.to/3fN1ZU7 SOLDER: Kester 63/37 0.5mm diameter: https://amzn.to/3uviEIg FLUX (Get 10% off with BRANCHUS discount code): StirriASM-TF: https://stirri.com/products/stirri-as... SOLDER WICK: Goot Wick 2mm: https://amzn.to/3YWlRvw TWEEZERS: Hakko CHP 3-SA: https://amzn.to/2NqkhPz DT71 DIGITAL MULTIMETER TWEEZERS: https://amzn.to/41VcvSb 5% off on all Vevor sites code: VVMH5%OFF Vevor 30L Ultrasonic Cleaner: AU site: https://s.vevor.com/bfP7q7 US site: https://s.vevor.com/bfP7uN EU site: https://s.vevor.com/bfQaMb Vevor 150W Fume Extractor: US site: https://s.vevor.com/bfQ2CJ EU site: https://s.vevor.com/bfQ2CR AU site: https://s.vevor.com/bfQ1Cy CA site: https://s.vevor.com/bfQ2C5 OTHER AMAZON AFFILIATE LINKS ----------------------------------------------------- Component suction tool (vacuum pen): https://amzn.to/44xyPkm Microscope: https://amzn.to/2HnSI5H Microscope camera: https://amzn.to/2TdSYsZ Budget alternative microscope: https://amzn.to/2PmRagt Budget alternative hot air rework: https://amzn.to/3fN1ZU7 Helping hands (third hand): https://amzn.to/31JUhVL Ultrasonic cleaning fluid: https://amzn.to/2YusoQQ Budget alternative fume extractor: https://amzn.to/2HuG0oU HEPA filters for KOTTO fume extractor: https://amzn.to/3Kzr3id UV Solder mask: https://amzn.to/2ZnK1yu Swann Morton curved scalpel blades: https://amzn.to/2oN7qNn No. 3 Scalpel Handle: https://amzn.to/2ngcx85 Kapton heat resistant tape: https://amzn.to/2xBnTso 28 AWG enamelled magnet wire (thick): https://amzn.to/32cRsLf 34 AWG enamelled magnet wire (med): https://amzn.to/35Bx20D 40 AWG enamelled magnet wire (thin): https://amzn.to/2J2Aisf