Both Z80s are good and the soak tests worked fine, I just need to fix the 'muddy' colours, which the manual suggests is an issue with TR2.
But not now, back to bed, see if I can sleep at all.
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A full Spectrum of emotions
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rubber_jonnie
- Site Admin

- Posts: 15022
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: A full Spectrum of emotions
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...
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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JezC
- Posts: 2815
- Joined: 28 Aug 2017 23:44
Re: A full Spectrum of emotions
I think it's the lack of sleep which causes the biggest problem for me.rubber_jonnie wrote: 02 Oct 2023 17:18 Both Z80s are good and the soak tests worked fine, I just need to fix the 'muddy' colours, which the manual suggests is an issue with TR2.
But not now, back to bed, see if I can sleep at all.
Get better soon!
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rubber_jonnie
- Site Admin

- Posts: 15022
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: A full Spectrum of emotions
And for me. I had virtually none last night, and although I did get some this afternoon, it wasn't much.JezC wrote: 02 Oct 2023 17:25I think it's the lack of sleep which causes the biggest problem for me.rubber_jonnie wrote: 02 Oct 2023 17:18 Both Z80s are good and the soak tests worked fine, I just need to fix the 'muddy' colours, which the manual suggests is an issue with TR2.
But not now, back to bed, see if I can sleep at all.
Get better soon!
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...
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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HigashiJun
- Posts: 2388
- Joined: 19 Jun 2020 07:21
- Location: Tokyo
Re: A full Spectrum of emotions
Yes, a good rest is a must when you are ill.
So a day without tinkering with your retro stuff will be very helpful for you.
:lol:
So a day without tinkering with your retro stuff will be very helpful for you.
:lol:
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rubber_jonnie
- Site Admin

- Posts: 15022
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: A full Spectrum of emotions
It's been kind of forced on me, I just had to go to bed, felt so awful. Up, showered and dressed today, but it only made me feel better briefly, wanting to go back to bed now...HigashiJun wrote: 03 Oct 2023 10:35 Yes, a good rest is a must when you are ill.
So a day without tinkering your retro stuff will be very helpful for you.
:lol:
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...
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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HigashiJun
- Posts: 2388
- Joined: 19 Jun 2020 07:21
- Location: Tokyo
Re: A full Spectrum of emotions
I understand you...
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rubber_jonnie
- Site Admin

- Posts: 15022
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: A full Spectrum of emotions
Feeling better this morning, so after I found a new PSU for the CPC, I had a look at the original Spectrum + board to try and figure out what the video issue was. A bit of scoping and all the signals looked good at the LM1889, so I then wondered if there was a cold joint on one of the CHROMA pins where I'd removed the LM1889 and fitted the socket.
It turns out there wasn't, but I noticed pin 1 looked like the track over to C39 had a break. Sure enough, doing a buzz test and cross referencing to my spare board, and there was indeed a break, but very difficult to see. I can only assume I did it desoldering the LM, it's a super fine track, so it wouldn't take much.
Bodge wire time:
And it is working again. The + is now reassembled and running a soak test:
So far all good :) EDIT - 0ver 200 iterations later and all is well.
So it looks like this is the end of the Spectrum saga. I thought it would be just the one machine to begin with, but it ended up as 3. As a bonus, I now have a fully working spares board just in case, that turned up dead from eBay (I expected it to be dead) and I was able to revive.
It really has been a full Spectrum of emotions!!!
On a side note, doing all this stuff this morning has just made me feel ill again, so back to bed for me, at least I can write this and then go have a nap...
It turns out there wasn't, but I noticed pin 1 looked like the track over to C39 had a break. Sure enough, doing a buzz test and cross referencing to my spare board, and there was indeed a break, but very difficult to see. I can only assume I did it desoldering the LM, it's a super fine track, so it wouldn't take much.
Bodge wire time:
And it is working again. The + is now reassembled and running a soak test:
So far all good :) EDIT - 0ver 200 iterations later and all is well.
So it looks like this is the end of the Spectrum saga. I thought it would be just the one machine to begin with, but it ended up as 3. As a bonus, I now have a fully working spares board just in case, that turned up dead from eBay (I expected it to be dead) and I was able to revive.
It really has been a full Spectrum of emotions!!!
On a side note, doing all this stuff this morning has just made me feel ill again, so back to bed for me, at least I can write this and then go have a nap...
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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...
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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JezC
- Posts: 2815
- Joined: 28 Aug 2017 23:44
Re: A full Spectrum of emotions
@rubber_jonnie Glad that you are starting to feel better. The lack of energy is what's causing me the most problems too, so hope you get a good rest!
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stephen_usher
- Site sponsor

- Posts: 7444
- Joined: 13 Nov 2017 19:19
- Location: Oxford, UK.
Re: A full Spectrum of emotions
Good news on the health front, for both you and the speccy. :-)
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.
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
- Site Admin

- Posts: 15022
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: A full Spectrum of emotions
Thanks. In bed now after lunch, very tired despite sleeping well last night.JezC wrote: 04 Oct 2023 14:27 @rubber_jonnie Glad that you are starting to feel better. The lack of energy is what's causing me the most problems too, so hope you get a good rest!
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...
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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