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Time to call in the pros!
Intermittent then no initial morning heat led to the warranty replacement of the high pressure switch yesterday.
It was more than good to hear it come on first thing this morning when Sue cranked up the heat!
The PCBs for my nixie tube clock arrived, and I even got twice as many as I ordered! Hurrah for Gold Phoenix.
At any rate after a marathon soldering session they are finally assembled and awaiting testing and programming and all that. The power supply works, and the AVR was programmable, so that's a good sign!
We're busy with a project at work that requires the pcb to have a nice fit in a enclosure with some other components (such as a transformer). We decided to cut it on the rockcliff cnc machine. Worked very nice after some tweaking.
Hitachi PCB 0A29530 (PCB Swap, PCB Replacement, PCB Logic Board Sale, Buy PCB Circuit Board - HDDZone.com)
This is a high-res scan of the PCB, for those that care. The little extra PCB up top is the PIC microcontroller added by RetroZone to convert this into a USB paddle.
Hitachi PCB 0A30418 (PCB Swap, PCB Replacement, PCB Logic Board Sale, Buy PCB Circuit Board - HDDZone.com)
After a generous amount of rubbing alcohol (91%) on many of the spots, a lot of the corrosion came up and the PCB looked a lot cleaner. However, some of the damage was already done in that the component in D1 (right below the battery) had corroded through.
I touched up a couple of the solder spots on the other side that were the worst and did a little continuity checking. The battery also appeared dead, but since I didn't have anything to replace it with I just left it as is.
I thought about trying to bridge D1 with some solder, but having touched up it's spots on the other side already the gap between the broken parts was pretty big and there was almost nothing left on one side near the diode to solder to.
Deciding I didn't want to go to Radio Shack, I pulled out a junk PCB and desoldered a diode from it, stuck it on the board, and decided to give the game a whirl to see if it was working now.
Much to my surprise, everything seemed to work! There was even an iota of charge left in the battery, so I was able to create a game and come back to it after shutting off the system. I'm not very confident about the data persisting for long, so when I get some coin cell holders I might slap one in for future posterity.
Not bad for a couple of wasted hours!
Everything installed and working, with a 3.3V regulator installed so it works.
More info on my blog:
We're busy with a project at work that requires the pcb to have a nice fit in a enclosure with some other components (such as a transformer). We decided to cut it on the rockcliff cnc machine. Worked very nice after some tweaking.
Pics to support blog.circuitportraits.com/process/printing-a-nintendo-gam...
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