PhilCs blog / the latest things hes broken(fixed)

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PhilC
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Re: PhilCs blog / the latest things hes broken(fixed)

Post 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.
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Re: PhilCs blog / the latest things hes broken(fixed)

Post by rubber_jonnie »

PhilC wrote: Mon Mar 04, 2024 4:29 pm 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!
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Re: PhilCs blog / the latest things hes broken(fixed)

Post 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.
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Re: PhilCs blog / the latest things hes broken(fixed)

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PhilC wrote: Mon Mar 04, 2024 4:42 pm @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?
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Re: PhilCs blog / the latest things hes broken(fixed)

Post by PhilC »

rubber_jonnie wrote: Mon Mar 04, 2024 4:49 pm
PhilC wrote: Mon Mar 04, 2024 4:42 pm @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.
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Re: PhilCs blog / the latest things hes broken(fixed)

Post by rubber_jonnie »

PhilC wrote: Mon Mar 04, 2024 4:53 pm
rubber_jonnie wrote: Mon Mar 04, 2024 4:49 pm

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?
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Re: PhilCs blog / the latest things hes broken(fixed)

Post 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.
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Re: PhilCs blog / the latest things hes broken(fixed)

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PhilC wrote: Mon Mar 04, 2024 5:34 pm @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?
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Re: PhilCs blog / the latest things hes broken(fixed)

Post 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
IMG_3070.jpeg (167.61 KiB) Viewed 287 times
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Re: PhilCs blog / the latest things hes broken(fixed)

Post by rubber_jonnie »

PhilC wrote: Mon Mar 04, 2024 8:13 pm @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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Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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