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ISO an XF521 (XE prototype) 5.25" floppy drive


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#26 Bryan OFFLINE  

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Posted Mon Jul 10, 2017 8:21 AM

It actually gets a picture but part of the screen is masked/darkened by the black line on the middle-left side of the screen. The sound works great...but the picture is somewhat garbled. I just need to find someone who can look at it and fix it to get the screen working 100%.

Where are you located?



#27 wiualum04 OFFLINE  

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Posted Mon Jul 10, 2017 8:27 AM

Where are you located?

Chicago

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#28 Bryan OFFLINE  

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Posted Mon Jul 10, 2017 8:34 AM

I'm in mid-Michigan and I'm an electronics engineer so if you can't find anyone closer, I'd be willing to look at it.



#29 wiualum04 OFFLINE  

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Posted Tue Jul 11, 2017 10:11 PM

I'm in mid-Michigan and I'm an electronics engineer so if you can't find anyone closer, I'd be willing to look at it.

That'd be great. I'll let you know!

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#30 4MBUpgrade OFFLINE  

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Posted Wed Jul 26, 2017 10:45 AM

That'd be great. I'll let you know!

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Someone sold one of those monitors for me recently.  Considering this is a rare monitor I'm willing to be this is probably the one that I let go.  Did you purchase this monitor from someone in Canada?  If so, I can provide a little information about its history.



#31 mariusz OFFLINE  

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Posted Wed Dec 6, 2017 7:41 PM

I'm in mid-Michigan and I'm an electronics engineer so if you can't find anyone closer, I'd be willing to look at it.

 

That'd be great. I'll let you know!

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Have you repaired the monitor?

 

 

 

Someone sold one of those monitors for me recently.  Considering this is a rare monitor I'm willing to be this is probably the one that I let go.  Did you purchase this monitor from someone in Canada?  If so, I can provide a little information about its history.

 

If it's not a secret could you tell us some more?



#32 4MBUpgrade OFFLINE  

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Posted Sat Dec 23, 2017 11:48 AM

There's no secret.  The XC-1411 monitor came from Atari's main office in Markham, Ontario, Canada.  As far as I'm aware they used it in their service department to diagnose and repair the 8-bit series of computers.  When Atari closed their doors in Markham, Ontario it was left behind.  It was given to me by a friend.  (I think I may have actually traded a surround sound module, that I built in a high school electronics class, for the XC-1411.)  I am not exactly sure how he wound up with this monitor. 

 

I used it as a TV for several years.  After that, it sat in my parent's basement for well over 20 years.  I finally dug it out two years ago and had another friend look at it because it had developed a peculiar issue with colour fade out.  Essentially after about 20 minutes the picture would fade to black and white.  He determined that a capacitor had gone bad and replaced it.  As a precaution, he also went further and replaced all of the electrolytic capacitors.  From what I know he then put it on Ebay for sale.

 

If the XC-1411 is the one that I let go, I hope the new owner can get it repaired.  It would be a shame to see it go to waste.

 

The XC-1411 was manufactured by Goldstar (LG Electronics).  Goldstar was also one of 3 companies that manufactured the SC1224 monitor for the Atari ST series of computers.  The XC-1411 closely resembles the Goldstar SC1224 monitor.  One of the differences is that the XC-1411 monitor has a red power indicator whereas the SC1224 has a green power indicator.  Electronically speaking the XC-1411 may be a similar design to the Goldstar SC1224 with only one major difference.  The XC-1411 would have an additional composite video to RGB circuit.



#33 tjlazer OFFLINE  

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Posted Sat Mar 31, 2018 5:18 PM

Did this monitor ever get repaired?  Would be cool to see pics of it running!



#34 Caterpiggle OFFLINE  

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Posted Sat Mar 31, 2018 5:33 PM

Me, too !






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