[TechAssist] Re: Is High Voltage very crytical?
- From: "George" <grndmstrg@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 17 Feb 2004 11:23:41 -0800
I might add that it might not be as crisp at higher levels of brightness.
Check that the HOT drive is correct. Some times the generic replacements do
not provide the same loading as originals and may need slightly different
tuning cap values for example to increase the HV you can reduce the cap's
value slightly. The down side is reduced width, however if the width control
can make up the loss your ok, if not find a happy medium. On multi-scan
monitors only change common to all scans capacitors, to keep it simple.
George
Afana Electronics
Moreno Valley, CA
----- Original Message -----
From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
To: "Van Slycken" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 17, 2004 1:47 AM
Subject: [TechAssist] Re: Is High Voltage very crytical?
> Hi Van,
>
> With TV's a lower than normal HV is usually accompanied with less width
> and height. At least in a monitor you usually have plenty of range
> with the adjustments. Use a crosshatch pattern to see if the geometry
> (straight lines, etc.) is OK. If you don't have a pattern generator
> for monitors, get on-line and go to a website which has this test (or
> maybe the monitor has some test patterns in the menu).
>
>
> --
> Best regards,
>
> Bil Green
> 2001 TV VCR
> Mammoth Lakes, CA 93546
> 760-934-2001 mailto:tv.vcrrepair@xxxxxxxxxxx
>
> Tuesday, February 17, 2004, 1:34:19 AM, you wrote:
>
> VS> Hi crew,
> VS> This may be a stupid question, but I'm used to working with exact
replacement HV transformers - but now I need to fix a monitor, and the
original LOT has 28,8kV HV, whilst the replacement I have
> VS> handy only gets out 24,4kV. I was wondering if this difference will
show. Any experience on this?
> VS> kind regards,
> VS> Stefaan Van Slycken
> VS> Van Slycken Elektro - Waasmunster, Belgium.
>
>
>
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