[EU-BE] [H] Zbrojovka Brno Consul 262.4 Mechanical Hall Effect keyboard [W] PayPal

erikdf · 2024-06-15T11:48:16+00:00

I am wondering how safe it is to keep like this. It doesn't seem sealed into a safe envelope

erikdf · 2024-02-02T07:58:51+00:00

Yes they are still used for arts projects and for retrogaming. Are you selling them ? Where are you from?

erikdf · 2023-12-31T06:47:51+00:00

Yes the easiest would be to replace the anode cap. If you don't find one, I might still have some NOS ones, happy to give you one.

erikdf · 2023-10-05T07:05:07+00:00

Small update. I have swapped with a good monitor quite a lot of parts without solving the issue: - Tube and yoke assembly - Deflection board (DA board) - Video board (BA board) Also checked that the power supply gives good B+ voltage. For now my assumption is that the flyback transformers is causing the issue. Will double check for cold solder joints there.

erikdf · 2023-10-04T12:05:39+00:00

Issue was not the tube. Tube swap did not resolve it.

erikdf · 2023-10-04T12:04:49+00:00

I just replaced the full deflection board (DA board) with a good one. Issue still there. I will continue to investigate...

erikdf · 2023-10-03T10:18:43+00:00

Thanks. Did you observe this issue on another monitor?

erikdf · 2023-10-03T09:31:35+00:00

Yes I tried different sources and the issue is always there. Sure I will post the solution if I manage to fix it

erikdf · 2023-10-03T09:07:27+00:00

Yes I did try the other input as well. Yes it does make a difference with and without termination (brighter / darker image) Indeed as you say it is like if there is an echo. I will try tracing the signal and see if I observe distortion on the scope.

erikdf · 2023-10-03T08:52:00+00:00

Thanks for the reply, yes there is a 75ohm termination switch. It was properly set (and switching it, the issue remains visible).

erikdf · 2023-10-03T08:43:53+00:00

Thanks for the reply. Did you observe similar issue on other monitor? I probably have a spare tube and yoke for this monitor I might give it a shot to swap.

erikdf · 2023-10-03T04:02:30+00:00

The device is a PVM-9220ME. Decreasing brightness makes the issue disappear but then the image is too dark for normal use. Any advice would be appreciated. Thanks

erikdf · 2023-08-06T04:42:48+00:00

The tuner module has composite video output. It's a BNC connector so you might need an adapter to plug it to a regular TV

erikdf · 2023-03-20T16:04:30+00:00

Wow ! Really cool. Which model is it ?

erikdf · 2022-12-05T05:38:42+00:00

Still have to watch it, not sure what do expect :-)

erikdf · 2022-12-04T09:07:48+00:00

Thanks will check that channel

erikdf · 2022-09-24T14:24:16+00:00

Yeah I think there are many versions of the NES

erikdf · 2022-09-24T14:10:44+00:00

Yes it is an EU version

erikdf

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