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Showing results for tags '7300'.
I scored a great deal on a 7300/200 that turns out to have an upgraded processor, ATI Rage Pro, and an OrangePC 620. That's the good news. The bad news is that plugging in the PSU resulted in sparks and smoke shooting out the back! I'd checked the PSU for leaky caps before, and everything thing looked okay. The thing that exploded was a resistor: R4, 1 ohm ceramic, right next to the connector for where the mains plugs into the PCB. I replaced R4 with another 1 ohm... and that one also spectacularly exploded. Strangely the fuse in the PSU didn't
Subject: Power Macintosh 7300 stops working after tantalum recap Hi Everyone I decided to replace the electrolytic caps on my favourite Power Macintosh 7300 computer and unfortunately it hasn’t turned on since! I’m writing for help on what to check or do, as I exhausted all checks that I can think of. The problem is power supply fan spins up, power LED on but nothing else - no video output, no chime or sad Mac sounds etc. I did make a mistake that has never happened before but was due to the multi platform nature of this logic board - I added