Re: Weird distorted shapes

OK I can try moving things around a little tonight and see what effect that
has.

On Mon, Mar 3, 2014 at 3:21 PM, teeray <teeray@earthlink.net> wrote:

> use a scope to check the amp power supplies for AC ripple
> and make sure all of the high voltage wires are as far away from the board
> as possible. Also make sure the X and Y input wires are away from any high
> voltage.
>
>
>
>
> -----Original Message-----
> From: Joel Griffin Dodd
> Sent: Mar 3, 2014 6:13 PM
> To: vectorlist@vectorlist.org
> Subject: Re: VECTOR: Weird distorted shapes
>
> How would I check for that Tim?
>
>
> On Mon, Mar 3, 2014 at 3:11 PM, teeray <teeray@earthlink.net> wrote:
>
>> Looks like you have some AC voltage getting into the X and Y amps.
>>
>> Tim
>>
>>
>> -----Original Message-----
>> From: Joel Griffin Dodd
>> Sent: Mar 3, 2014 2:19 PM
>> To: vectorlist@vectorlist.org
>> Subject: VECTOR: Weird distorted shapes
>>
>> Hi all,
>>
>> Doug and I have been working on building a reproduction 25" Amplifone
>> using a new deflection board design from an Australian designer (Dez).
>> Overall it's working extremely well, but we are seeing some odd distortion
>> in shapes. It's most apparent in circles, but can been seen in most shapes
>> on the screen where letters look a little warped and joins between vectors
>> overlap.
>>
>> I know even 6100 deflection boards do have a little of this, but it seems
>> to be more apparent on our board.
>>
>> Here's an extreme example of the death star on the star wars start game
>> menu...
>>
>> https://www.dropbox.com/s/i1r76l4dif9vv2w/2014-03-02%2020.10.19.jpg
>>
>> Doug mentioned that he thought it may be down to the tolerances of some
>> of the new components we are using on the deflection board. I wanted to
>> throw it out to the group to see if anyone has any ideas of where we might
>> look in the circuit to investigate this odd issue.
>>
>> Joel
>>
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>
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Received on Mon Mar 3 18:25:15 2014