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Author Topic: Help w/ Monitor Identification  (Read 1993 times)

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korendog

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Help w/ Monitor Identification
« on: August 02, 2005, 08:34:59 pm »
Hopefully on this forum someone can help me out with ID'ing this monitor.
« Last Edit: August 07, 2005, 07:44:45 pm by korendog »
Capcom Bowling, Star Wars (Cockpit), Karate Champ, MAME (Vertical)

SirPeale

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Re: Help w/ Monitor Identification
« Reply #1 on: August 02, 2005, 09:06:17 pm »
Looks like a Hantarex monitor of some type, but I can't tell which.

dabone

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Re: Help w/ Monitor Identification
« Reply #2 on: August 02, 2005, 11:37:46 pm »
Looks like a kortek to me.

Go look at

http://www.jomac.net.au/mon.htm


And see if you can find your monitor.


(P.S. the tube doesn't help a bit to ID a monitor, we need more pics of the board)


Later,
dabone

Apollo

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Re: Help w/ Monitor Identification
« Reply #3 on: August 03, 2005, 12:57:16 am »
I agree it looks like a Kortek, plus often used with Samsung tubes.

Ken Layton

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Re: Help w/ Monitor Identification
« Reply #4 on: August 03, 2005, 01:28:53 am »
It's definitely a Kortek monitor which was sold under many brand names here in the USA as Imperial, Sharp Image, Videomaster, Penn-Ray, Tekbilt, etc.

Zanen Electronics capkit # 520 or 501 will work on this monitor.


korendog

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Re: Help w/ Monitor Identification
« Reply #5 on: August 03, 2005, 01:33:53 am »
Thanks guys. I checked out the site you mentioned and examined pictures of Kortex and Hantarex monitors, but none really looked like the board I have.  Is there something in particular that I can look for on the board or take a picture of that would help you ascertain it's identity?
Capcom Bowling, Star Wars (Cockpit), Karate Champ, MAME (Vertical)

korendog

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Re: Help w/ Monitor Identification
« Reply #6 on: August 03, 2005, 01:35:32 am »
Thanks Ken.  Are there monitor manuals available for this monitor anywhere?
Capcom Bowling, Star Wars (Cockpit), Karate Champ, MAME (Vertical)

Ken Layton

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Re: Help w/ Monitor Identification
« Reply #7 on: August 03, 2005, 03:05:11 am »
Again, it is definitely a Kortek monitor. Go to www.atarijeff.com and then "files section" -> "monitors". Check out the Imperial manual, the Sharp Image Si-319 manual, and the Wico Sum20 manual. One of those will be close to yours. Kortek made so many variations that sometimes you need to have the schematics from all three of the above manuals to find an exact (or close enough) match to the circuitry.

korendog

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Re: Help w/ Monitor Identification
« Reply #8 on: August 03, 2005, 06:54:05 pm »
Thanks Ken.  I dowloaded the Imperial Manual and it looks like it is pretty close to what I got.  At least for my purposes.  I do have one last question though.  When I first got the monitor the Degaussing coil was not hooked up to the board.  I then plugged the coil back into the board and fired it up only to blow the 125V 4amp fuse on the board.  I bought a replacement fuse, unplugged the D-coil, and bought a external D-coil.  The monitor works fine now, but I'd really like to have the D-coil hooked up and working.    Is the D-coil polarized?  ie; Did I just hook it the wrong way the first time and that is why the fuse blew?  -Jarrett
Capcom Bowling, Star Wars (Cockpit), Karate Champ, MAME (Vertical)

Ken Layton

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Re: Help w/ Monitor Identification
« Reply #9 on: August 03, 2005, 07:08:33 pm »
The degausser coil can sometimes get it's internal wires pinched in the monitor frame or the tube mounting screws which either shorts out the coil itself or grounds the coil to the frame thus blowing the fuse.

The coil typically is operated from 120 volts AC for about 1 second each time the monitor is powered up. There is a thermal resistor and a couple of diodes on the main monitor board that make up this 1 second pulse. The diodes can sometimes short out also blowing the fuse.

Ken Layton

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Re: Help w/ Monitor Identification
« Reply #10 on: October 24, 2018, 01:36:19 am »
Updating this old thread. It's definitely a Kortek KT-1420A.

Here is my repair guide:

https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxtdHBhY2lmaWNvfGd4OjdmM2Y3ODY2Yjc0ZDFkNjg

  
 

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