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JustG

6502
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  • Location
    Sacramento, CA
  1. JustG

    My First Recap - LC

    Again, I appreciate all the advice! I'm taking my time with this LC as it's the first recap I've ever done and if successful, not the last. I haven't ordered the rest of the capacitors for the power supply yet so I will definitely pay attention to the physical measurements along with the values. All the components I have ordered so far have been the higher rated and from the better brands. One more question, I should order a replacement for the BIG capacitor in the power supply as well I'm assuming?
  2. JustG

    My First Recap - LC

    I'll be ordering the rest of the caps for the power supply. Not a drop of water will touch the supply, I'll be doing a cleaning of it with DeoxIT and IPA. Definitely will be testing traces before I put the effort into soldering new capacitors onto the logic board. I think I may attempt to replace that amplifier chip, I ordered a replacement with the initial batch of caps. I appreciate all the suggestions, hopefully I can get this guy back up and running! I'll keep everyone posted.
  3. JustG

    My First Recap - LC

    Thank you for the link, I should have done some searching before asking the question! I did a partial recap of the power supply following the suggestions from maccaps on which to replace. I now get a clicking from the power supply. I’m going to try to do a little more cleaning of that board and if that doesn’t work, replace the rest of the capacitors.
  4. JustG

    My First Recap - LC

    I finally worked up the courage to start desoldering the bad caps on the LC logic board I found at a local electronics recycler. About an hour later, not a single pad lifted. The board is now drying after being washed in some very diluted soapy water. This LC didn't power on so I'm going to attack the power supply next, is there a pinout so I can test that the supply is outputting the correct voltages after I replace the capacitors? Also, I noticed the IC at UC9 which I believe is the audio amplifier has shorted or burned up. Would it be safe to attempt to power up the computer without replacing this component? I did a decent job pulling the bad capacitors (my first time doing surface mount work) but I'm a little nervous about trying anything with more than two solder points.
  5. JustG

    LC and Classic II

    I'm in no rush for the SE so please don't make any special effort. Right now I'm focused on figuring out which capacitors to order for these two computers.
  6. JustG

    LC and Classic II

    The place is called Surplus Stuff on Folsom Blvd. in Sacramento. Not the nicest neighborhood, right next door to a flea market. It's a small store but packed. I snagged the only Mac items I found and left my name and number with the owner. There were a couple Apple Monitor IIIs on the floor. Definitely interested in your SE.
  7. JustG

    LC and Classic II

    I plan to dig into the power supply too on the LC. I've starting looking at capacitors the number of choices on Digi-Key are daunting.
  8. JustG

    LC and Classic II

    I had been watching a dual 800k SE on Craigslist for the past couple of weeks and had planned to go and pick it up this weekend. It was about a 100 mile drive so today was the first time I'd have the time to make the trip. Someone snagged it yesterday, fortunately before I made the journey. I was a little bummed since I've been wanting one for a while. I figured since I had the time set aside, I'd go and check out a local surplus electronics store I'd never visited. After walking the isles, tucked in the corner was a LC and a Classic II. I struck a deal with the owner and returned home with my new acquisitions. Neither power on. I pulled the battery from both boards and upon close inspection both have leaking capacitors. The Classic now will power on but has a garbled image on the screen, the LC is still totally dead. I figured that this would be the case and the two inexpensive computers will make for my first attempts at recapping logic boards. I'll need to figure out what capacitors I will need for both, order and then get to soldering.
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