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    Tandy 1000 TL that eats power supplies

    I got a Tandy 1000 TL for $75. I checked out the power supply beforehand, everything seemed alright. I fired it up.. the machine made a clicking noise and the floppy drive light flashed on and off....
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    Brickout question

    Now that I have my Rev 0 working I wanted to play some 'period correct' games, and naturally thought of Brickout.

    I understand there were two or more versions of this (one port to Applesoft) over...
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    Thanks Mike. That's interesting.. so 301 would...

    Thanks Mike.

    That's interesting.. so 301 would be January 1983. So 301000089 would imply this is the 89th unit (since there weren't any earlier than 1983)? That'd be pretty cool.

    Yeah so far...
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    I wasn't actually trying to get original. I was...

    I wasn't actually trying to get original. I was trying to get cheap. ;) A few of these were up on ebay from same seller.. one worked but had broken screen, this one did not work at all but looked...
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    Yeah it's not that for sure. When I was playing...

    Yeah it's not that for sure. When I was playing around with the batteries and cleaning the contacts, I noticed sometimes the 'low batt' light would come on, even though the batteries were brand new....
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    Okay, the NiCD seems to be charged and holding a...

    Okay, the NiCD seems to be charged and holding a charge. But no action otherwise from the machine. I was checking out the voltages on the motherboard at various points like VEE - and we've only got...
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    The NiCD has risen to 3.3V now. I'm surprised...

    The NiCD has risen to 3.3V now. I'm surprised I'm getting anything.

    I guess the AAs charge it?
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    Model 100 No power up

    I got one of these for nothing, and have been checking it out this morning. The battery compartment had a significant but not crazy amount of rust, which I've since cleaned. I can see just under 6V...
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    By the time I get parts for it I'm hoping...

    By the time I get parts for it I'm hoping everything will be fully discharged.

    Side note - when it blew, I was up close with the PSU out in the open to see if any bad smells, etc were coming up. ...
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    Power supply electrolytics

    Tried out a Tandy 1000 TL I got for $50 and got a bit of a smell, then a bang. One of the electrolytics blew out in spectacular fashion.

    I guess I'll replace all of them to be safe (luckily the...
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    I thought I had run this game on this machine...

    I thought I had run this game on this machine before but maybe I'm wrong on that. Initially it would get just to the 'Broderbund' title screen and then no animation at all.. just flashing screens of...
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    Rev 04 II+ Repair

    Got another one here, this time a lowish serial II+. This one has two problems:

    1) The text is infused with a bluish color. Adjusting the trim pot makes no difference. I'm guessing the color...
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    I figure it'll always be possible to fabricate...

    I figure it'll always be possible to fabricate parts for old cars, whereas unless they invent a really amazing 3d process that lets you print off new ICs.. it might be cost prohibitive to create...
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    As an example of what I said earlier - take my...

    As an example of what I said earlier - take my 1988 Thunderbird Turbocoupe. When it came out, it was a marvel of modern tech (at least, for a North American car), one of the first with ABS braking...
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    Another thing to consider in the longer term is...

    Another thing to consider in the longer term is that depressing talk Bil Herd gave at VCF West. The reality is all of this stuff is on borrowed time. Most of it was only designed to last a few...
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    After checking those ICs, I had no luck. So then...

    After checking those ICs, I had no luck. So then I started replacing the entire board around the RAM. When I got to the 74ls153, 74ls195, and 74ls20 and C1, C2 and D2 and changed them.. suddenly I...
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    Yeah. I don't think it's actually broken.. I...

    Yeah. I don't think it's actually broken.. I think my cam is misrepresenting thing (darn Samsung). It looks ok to me. I was a bit concerned about the piece on the end (don't know what it's called)...
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    I tried swapping A9, A10 and A11 with known...

    I tried swapping A9, A10 and A11 with known good.. it did produce a color change:

    56588

    Still not right though.

    Running RAM tests but so far they are coming back ok.
  19. Thread: My first Rev 0!

    by falter
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    I actually have an ultrasonic cleaner from back...

    I actually have an ultrasonic cleaner from back when I had an inkjet refilling company. I should try that. In the event, I ended up swapping out the switch for now and I have full functionality. ...
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    Thanks for the insight Dave. Last night I did...

    Thanks for the insight Dave.

    Last night I did have a couple odd situations. Ie it would render the graphic of the crook andncops running across screen but it would have the body of the cop stuck...
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    I'm suddenly recalling now when I got this...

    I'm suddenly recalling now when I got this machine it would not post properly or something.. I ended up swapping a couple of same model ICs around between sockets and got it to work (I'm guessing one...
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    Yeah the forum software rotates. I don't know...

    Yeah the forum software rotates. I don't know why or how to fix. It's been doing that for a couple of years. I'll use Carmen as an example here just to show the difference. And yeah interlaced...
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    Yeah.. it doesn't seem to be a huge problem. If...

    Yeah.. it doesn't seem to be a huge problem. If you look at a graphic, say, the police in Carmen Sandiego... on most of my Apples their uniform is solid blue and their skin is kinda pink or red. ...
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    Rev 4 Apple II with weird colour issue

    Not sure what is going on. Basically the colors on this II seem 'wrong'. When you play something like Carmen Sandiego it's like blues and such are missing. This is the color pattern it generates...
  25. Thread: My first Rev 0!

    by falter
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    I wondered if maybe other cleaners damaged the...

    I wondered if maybe other cleaners damaged the little plastic tab or other stuff inside the thing. I'm not remembering what all is in the switch body but I've seen a spring, a plastic membrane, a...
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