[TechAssist] Re: KDS 17" monitor, VS-7i, no video, need schematic.
- From: Kevin <kevintv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 22 Jan 2004 17:43:33 -0800
Does anyone have the schematic for a KDS VS-7i 17" computer monitor?
R311 is burnt. It reads 3.3 ohms and is loose in the board, so I bet it
will be the cause of my sun rise picture. TIA
Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of George
Sent: Thursday, January 22, 2004 4:06 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: KDS 17" monitor, VS-7i, no video.
Sounds like the horizontal scan frequency is modulating the crt
elements,
check for bad electrolytic filter cap in or feeding horizontal crt
circuits
and loose dag ground strap. I ran into this sun rise a number of times
on
the older sets.
George
Afana Electronics
Moreno Valley, CA
----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, January 22, 2004 1:59 AM
Subject: [TechAssist] KDS 17" monitor, VS-7i, no video.
> This 2000 model KDS monitor has a very strange picture. With a
computer
> hooked up I have the following picture: At the top of the picture it
> looks like the sun is about to rise at dawn. The screen is bright at
> the very top, and gets darker as you move down the screen. Down the
> middle there are faint red, blue and green lines that are go up and
down
> the screen (vertical). In the top 2 corners there are darker red,
blue
> and green lines that are at an angle of 45 degrees. If I disconnect
the
> computer the "picture" disappears. Has anyone seen anything like
this?
> I cannot find a screen control, just 2 focus controls.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
>
>
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