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Type: Posts; User: phil.bischof

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  1. Replies
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    Thank you! Just a quick update, the post above...

    Thank you! Just a quick update, the post above that mentioned the batteries being too weak to power the amp was the problem. I replaced the batteries with a direct 5V PSU and everything works great...
  2. Beautiful! I do just that. Thank you!!!

    Beautiful! I do just that. Thank you!!!
  3. Commodore 64 PSU - Good 9VAC transformer?

    I'm building my own Commodore 64 PSU. I have the 5V line working fine, however I'm having trouble finding a good 9VAC 1000mA transformer to use. Maybe I just don't know the correct search...
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    Thank you so much! I think I'm going to go with...

    Thank you so much! I think I'm going to go with a true 6581 SID. The additional information on losing the mouse or paddle with the SwinSid was the determining factor. I'll just socket the new chip...
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    Thank you for your reply. In your opinion, would...

    Thank you for your reply. In your opinion, would it be better for me to replace with another 6581 chip, or are chips like the one in this link good replacements?
    ...
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    Commodore 64 SID Testing

    I recently purchased a Commodore 64 from eBay. It's Assembly #250407-04. When I got it, I hooked it up and it seemed to work fine, however I didn't really do any further testing. A week or so ago,...
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    Thank you MikeS for your reply. I will try each...

    Thank you MikeS for your reply. I will try each of your suggestions tomorrow and report back. I did have it wired to only a single input at first, although I believe I used the Right channel, but...
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    Commodore PET 2001-8 Sound Mod HELP!

    I have a Commodore PET 2001-8 model. Following several guides, namely the ones listed here (http://www.vcfed.org/forum/archive/index.php/t-43349.html) as well as here...
  9. Wow, not sure how I missed this document. I've...

    Wow, not sure how I missed this document. I've downloaded so many others from zimmers.net but somehow I missed this. This is fantastic! I think I have everything I need. Thanks to all of you for...
  10. So, I when I tried to format a disk in Drive 0,...

    So, I when I tried to format a disk in Drive 0, it immediately fails with ?Bad Disk error. This was the drive I had not cleaned out and lubricated yet, I only cleaned the head. I removed it and...
  11. AndyG, thank you!! I've done the PRINT DS$, but...

    AndyG, thank you!! I've done the PRINT DS$, but all I've ever gotten was the DOS version printed. Now I know I need to send that command when the light is red after getting the Bad Disk error. ...
  12. I ran this command and it did cause Drive 0 to...

    I ran this command and it did cause Drive 0 to "bump", but I'm not sure how to call this for my Drive 1. It doesn't do anything when I run this.

    However, I was able to repair my broken head...
  13. Excellent, I will try this command and see how...

    Excellent, I will try this command and see how happens. I'm hoping to find some way to repair Drive 1 with the broken drive band.
  14. Yes, both drives have the same issue. However, I...

    Yes, both drives have the same issue. However, I carefully tried to wiggle the head carriage back and forth and voila! It broke free! Drive 0 now seeks back and forth, although it's pretty loud -...
  15. With the drive completely disconnected, I can't...

    With the drive completely disconnected, I can't get the head assembly to move at all. I mean it won't budge. I'm afraid to apply too much pressure because I don't want to break it. Looking at the...
  16. Thank you for your reply. With your instruction...

    Thank you for your reply. With your instruction to rotate the head stepper motor, where do I do this? There is a small round control to the right of the head assembly, which appears to be what...
  17. Commodore 8050 Floppy Drive - Stepper Motor / Head stuck?

    I have a Commodore 8050 that I just recently purchased. The drive arrived very well packaged and showed no sign of damage. When I turn it on, I get the self test and the light goes green, which I...
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    when I go to send you a message, it says "Send...

    when I go to send you a message, it says "Send Instant Message to VERAULT using" but there is nothing to "use". not sure what I'm overlooking here.

    My email is phil.bischof@yahoo.com though - if...
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    Brilliant! I'll give it a shot. I do have one...

    Brilliant! I'll give it a shot. I do have one of those cassette adapters. I'll see what it does.
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    Thank you! I already have tried loading the tap...

    Thank you! I already have tried loading the tap files in VICE emulator. It does the same thing, which means it has to be the tap files. Is there any good resource for PET 2001-8 tap files? The...
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    Commodore PET 2001-8 .tap files

    I've been trying and trying to get some games to work on my Commodore PET 2001-8 system. I do not have any original cassettes, so what I've done is downloaded several games in .tap format...
  22. That fixed it! It was E303, the horizontal hold....

    That fixed it! It was E303, the horizontal hold. I didn't even realize that could be adjusted until you mentioned it. Small hex head and turned it and bingo, clicked right into place. view is...
  23. Thanks Ian! I'll do that and report back.

    Thanks Ian! I'll do that and report back.
  24. TRS-80 Model 4 Video Board / CRT Issue

    I have a TRS-80 Model 4 that is having video problems. I have uploaded an example of what it's doing to YouTube so you can see exactly what it's doing. I already replaced 2 bad capacitors, hoping...
  25. Does this look like a good replacement? ...

    Does this look like a good replacement?

    https://www.ebay.com/c/1526836452?iid=202648028593

    Or would this one be better

    https://www.ebay.com/c/575096588
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