talk <
> cctalk@classiccmp.org> wrote:
>
>> -- Forwarded message -
>> From: Pete Lancashire
>> Date: Tue, Jul 3, 2018, 2:18 PM
>> Subject: Re: Looking for Tektronix 4051 or 4052 Display Board
>> To: Monty McGraw
>>
>>
>>
On 2018-Jul-03, at 5:59 PM, Jon Elson via cctalk wrote:
> On 07/03/2018 03:35 PM, Ian Finder via cctalk wrote:
>> On Tue, Jul 3, 2018 at 1:21 PM, Monty McGraw via cctalk <
>> cctalk@classiccmp.org> wrote:
>>
>>> I've been repairing my Tektronix 4052.
>>>
>>> I've got the digital logic working -
On 07/03/2018 03:35 PM, Ian Finder via cctalk wrote:
On Tue, Jul 3, 2018 at 1:21 PM, Monty McGraw via cctalk <
cctalk@classiccmp.org> wrote:
I've been repairing my Tektronix 4052.
I've got the digital logic working - but the text and graphics are messed
up.
I posted photos of the screens in
On 2018-Jul-03, at 5:06 PM, Brent Hilpert via cctalk wrote:
> However, compare to:
> https://drive.google.com/file/d/1TJjeZqszca1C7XILsnDyO9D_r64ZMwoo/view
> the 2 & 3 pin labels on U184A should be swapped.
Whoops, correction to my correction, they got the pins right, but the +/- input
On 2018-Jul-03, at 1:21 PM, Monty McGraw via cctalk wrote:
> I've been repairing my Tektronix 4052.
>
> I've got the digital logic working - but the text and graphics are messed
> up.
>
> I posted photos of the screens in my Tektronix 4052 troubleshooting thread
> on vcfed.
>
> With a scope on
e Lancashire
> Date: Tue, Jul 3, 2018, 2:18 PM
> Subject: Re: Looking for Tektronix 4051 or 4052 Display Board
> To: Monty McGraw
>
>
> Yeah the two display boards went to Europe.
>
> If anybody needs three perfectly good 11 inch CRTs, deflection yolks
> excetera co
-- Forwarded message -
From: Pete Lancashire
Date: Tue, Jul 3, 2018, 2:18 PM
Subject: Re: Looking for Tektronix 4051 or 4052 Display Board
To: Monty McGraw
Yeah the two display boards went to Europe.
If anybody needs three perfectly good 11 inch CRTs, deflection yolks
excetera
Is 206 Washington ? I have the remains of a 4051 4052 and 4010 terminal
sitting outside in the scrap pile. Parts have gone to Europe but they're
still pieces left over
They were about 25 miles west of Portland Oregon.
On Tue, Jul 3, 2018, 1:35 PM Ian Finder via cctalk
wrote:
> These systems
These systems are rare enough that it's probably worth fixing instead of
treating the board as a simple FRU. There are schematics on bitsavers for
that board, and they are complete.
On Tue, Jul 3, 2018 at 1:21 PM, Monty McGraw via cctalk <
cctalk@classiccmp.org> wrote:
> I've been repairing my
I've been repairing my Tektronix 4052.
I've got the digital logic working - but the text and graphics are messed
up.
I posted photos of the screens in my Tektronix 4052 troubleshooting thread
on vcfed.
With a scope on the final X amplifier stage - it is oscillating - so I see
weird horizontal
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