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Author Topic: C= A3000T no video from db15  (Read 6061 times)

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Offline OpusTopic starter

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C= A3000T no video from db15
« on: April 02, 2011, 05:24:59 PM »
my C= 3000T has a problem (maybe more than one).  I can't seem to get a signal from the video db15 connector, I do get video from the larger db connector to my 1084S.  I am aware of the flicker fixer switch, which seems to do nothing.  Any ideas to resolve this would be greatly appreciated and may even qualify you for a free beer!
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #1 on: April 02, 2011, 09:29:23 PM »
also thought I'd state I have this monitor, and I know it works on my peecee.  http://www.superwarehouse.com/3G_Technology_19_LCD_Monitor/GM-190B/ps/629408
I have a gvp spectrum I thought died, but I really think I have no signal from the connector as the spectrum uses that jumper...
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #2 on: April 03, 2011, 07:23:08 PM »
quick update.  Battery is long gone and area cleaned. Check power?  I will IF "everything works fine BUT the 32kHz output" could be related to a power issue...  I also tried adjusting the pot for the scandoubler to no effect.  if I use a mediator and a voodoo card, is Amber used?  I take it the video comes thru the zorro and might be unaffected by a bad Amber?
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #3 on: April 04, 2011, 01:38:03 AM »
I pressed Amber in, I do not have a puller and will look for a puller when I order a new Amber.  I did press on all socketed chips, so I'm sure I fondled Denise as well.  Alexh: NTSC is only for native modes iirc, which I am getting output to my 1084S.
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #4 on: April 05, 2011, 11:12:58 PM »
update: She's been mine for some time, added things along the way, so I'm fairly certain something has failed.  Jumper is and has been in NTSC which is what I need. As far as power goes, does anyone think power is an issue knowing the machine is booting and outputting to my 1084S? The monitor does not ever get a signal so as to come on, not while adjusting the pot. or flipping the switch back and forth.
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #5 on: April 06, 2011, 09:17:14 PM »
I have a multimeter...
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #6 on: April 06, 2011, 09:18:45 PM »
Quote from: Zac67;628923
Have you got any equipment for checking signals? Does anything come out of the sync pins (13 & 14)?


I have a multimeter...
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Offline OpusTopic starter

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Re: C= A3000T no video from db15
« Reply #7 on: April 12, 2011, 10:00:49 PM »
I hate to admit it, but before kicking me, lemme say I am 1 month out from neck surgery and still in a brace, so I couldn't move things.  I had a friend come over and drag an old, huge crt from my shed and place it by my 3kt.....viola, I have video.  I did replace the Amber before trying, but lcd still doesn't work.  Anyways...now to get my scsi dvd burner installed and then my mediator...thx all!  commence ass kicking
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