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Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 16:29
by PhilC
And of course I’ve spoke too soon, the HT has now started to make that distinct high pitched whine that it does. Fortunately I have a spare analogue board, so let’s hope the pinout is the same.
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 16:38
by rubber_jonnie
PhilC wrote: 04 Mar 2024 16:29
And of course I’ve spoke too soon, the HT has now started to make that distinct high pitched whine that it does. Fortunately I have a spare analogue board, so let’s hope the pinout is the same.
Speaking to soon is something we all need to get out of the habit of!
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 16:42
by PhilC
@rubber_jonnie especially when your spare analogue board is slightly different annoyingly. It’s got a different Ht coil. Might have another somewhere, fingers crossed.
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 16:49
by rubber_jonnie
PhilC wrote: 04 Mar 2024 16:42
@rubber_jonnie especially when your spare analogue board is slightly different annoyingly. It’s got a different Ht coil. Might have another somewhere, fingers crossed.
Is it from the same machine or something different?
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 16:53
by PhilC
rubber_jonnie wrote: 04 Mar 2024 16:49
PhilC wrote: 04 Mar 2024 16:42
@rubber_jonnie especially when your spare analogue board is slightly different annoyingly. It’s got a different Ht coil. Might have another somewhere, fingers crossed.
Is it from the same machine or something different?
Same machine but the analog board must be a different revision.
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 17:29
by rubber_jonnie
PhilC wrote: 04 Mar 2024 16:53
rubber_jonnie wrote: 04 Mar 2024 16:49
Is it from the same machine or something different?
Same machine but the analog board must be a different revision.
Surely it should work then?
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 17:34
by PhilC
@rubber_jonnie hopefully it will but the other board I have has a slightly different connection for the wires going to the CRT, nothing I can’t fix though.
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 19:10
by rubber_jonnie
PhilC wrote: 04 Mar 2024 17:34
@rubber_jonnie hopefully it will but the other board I have has a slightly different connection for the wires going to the CRT, nothing I can’t fix though.
In what way are they different? For the neck board or the coils around the neck?
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 20:13
by PhilC
@rubber_jonnie its the deflection coils plug that’s the main difference, the spare board has an offset pin but this one doesn’t. Then of course I haven’t got and radial 2200uf or 470uf caps to complete the recap.
I’m going to see if I can find a new HT coil for it. Something a bit like this.
IMG_3070.jpeg
Re: PhilCs blog / the latest things hes broken(fixed)
Posted: 04 Mar 2024 21:33
by rubber_jonnie
PhilC wrote: 04 Mar 2024 20:13
@rubber_jonnie its the deflection coils plug that’s the main difference, the spare board has an offset pin but this one doesn’t. Then of course I haven’t got and radial 2200uf or 470uf caps to complete the recap.
I’m going to see if I can find a new HT coil for it. Something a bit like this.
IMG_3070.jpeg
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