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Stuff and Things.

Blogs & guides and tales of woo by forum members.
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rubber_jonnie
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Re: Stuff and Things.

Post by rubber_jonnie »

Tomswork wrote: 25 Jul 2020 18:41 @rubber_jonnie

Those rifa caps are evil the smell. Does your monitor have the extra flyback on it ?


Tom
Extra flyback! Oh I'm not sure, let me check and get back to you.
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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stephen_usher
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Re: Stuff and Things.

Post by stephen_usher »

rubber_jonnie wrote: 25 Jul 2020 10:16 So today it's the turn of the analogue board, since it's only giving 4.3v on the 5v rail. I have a box of capacitors ready to be installed, but it does mean one thing, I need to remove the analogue board and that means discharging the CRT, something I've never done before.
I seem to remember there being an adjustment on the analoge board for the output voltage.
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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rubber_jonnie
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Re: Stuff and Things.

Post by rubber_jonnie »

stephen_usher wrote: 25 Jul 2020 23:47
rubber_jonnie wrote: 25 Jul 2020 10:16 So today it's the turn of the analogue board, since it's only giving 4.3v on the 5v rail. I have a box of capacitors ready to be installed, but it does mean one thing, I need to remove the analogue board and that means discharging the CRT, something I've never done before.
I seem to remember there being an adjustment on the analoge board for the output voltage.
I expect there is, but the caps were pretty terrible, leaking badly so I'm getting them replaced first. The Rifa caps were split too but I didn't find those until I removed the analog board.
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...
Tomswork
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Re: Stuff and Things.

Post by Tomswork »

Just be careful. If there is an extra coil by the flyback it will be hot when your adjusting the voltage. It is fed off the transformer output directly.

Tom
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rubber_jonnie
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Re: Stuff and Things.

Post by rubber_jonnie »

Tomswork wrote: 26 Jul 2020 00:05 Just be careful. If there is an extra coil by the flyback it will be hot when your adjusting the voltage. It is fed off the transformer output directly.

Tom
OK, appreciate the warning. Fingers crossed when the caps are done, voltages will be back to normal and I won't need to adjust them.
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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rubber_jonnie
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Re: Stuff and Things.

Post by rubber_jonnie »

On another subject, I have ordered a TF356 :D
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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exxos
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Re: Stuff and Things.

Post by exxos »

rubber_jonnie wrote: 26 Jul 2020 10:15 On another subject, I have ordered a TF356 :D
:fire: :fire: :fire: :fire: :lol:
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PhilC
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Re: Stuff and Things.

Post by PhilC »

Oh no, its gonna end in tears :lol:
If it ain't broke, test it to Destruction.
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rubber_jonnie
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Re: Stuff and Things.

Post by rubber_jonnie »

PhilC wrote: 26 Jul 2020 10:29 Oh no, its gonna end in tears :lol:
How bad can it be?

:girldance: :girldance: :girldance:
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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PhilC
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Re: Stuff and Things.

Post by PhilC »

Operation_Upshot-Knothole_-_Badger_001.jpg
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If it ain't broke, test it to Destruction.

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