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Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... tab of the switch mode regulator and the inductor where fiddly ... down cycles), and for the regulator a lot of flux, a ... good as RGB from my toastrack.
[B]Thanks again ... -
is sega arcade stick compatible with 128+ toastrack?i bought 1 to use with my c64 but then learned i ran the risk of damaging my breadbin,so,i wondered if it was safely possible to use it on my +128 vi…
... one supplier for a 128k toastrack (that is if [URL="http ... don't have a 128k toastrack so I'm not sure ... so that the two function switching pins are fed with the ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... />
[QUOTE]The 128K "toastrack" works perfectly with the disciple ... is that the disciple voltage regulator heats like a pentium, ... realise it was the voltage regulator, though, but I guess ... replacing the Spectrum's voltage regulator[/THREAD] makes quite a ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... 2 :"]link[/URL]):
"The switching signal needs to be able ... into pin 16 @ 3V for switching to take place."
toastrack/+2.
But I'll ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... /> [QUOTE=bverstee;768248]
"The switching signal needs to be able ... into pin 16 @ 3V for switching to take place."
[/QUOTE ... /> I think using a voltage regulator should overcome any issues between ... -
Spectrum 128 malfunctioning with DIVMMCI recently got myself a spectrum 128 (toastrack) and a DIVMMC card so I could load games from it. It all works fine until it has warmed up and then t…
... br /> In some circuits, the switching speed can be affected as ... sources are the 7805 voltage regulator followed by the ULA. Other ... better PSU or a pre-regulator circuit. Or a simpler circuit ... heatsink from the 7805 voltage regulator. Clean off any old heatsink ... -
Spectrum 128 malfunctioning with DIVMMCI recently got myself a spectrum 128 (toastrack) and a DIVMMC card so I could load games from it. It all works fine until it has warmed up and then t…
... aged regulator to improve reliability. The correct type for a toastrack/+2 ... -
AAAARRRRR DIV-MMC ENJOY againIve recently been posting trying to get to the bottom of problems with my +48 not working with this rechid addon.Now ive finaly worked out theres not…
... minutes or so and the regulator runs cool, so I'd ... grey +2 as on the toastrack, but as they're pennies ... an annotated picture of a toastrack board to illustrate their location ... -
Two player, split screen Speccy gamesWhat are you favs? I'm referring to the type of games where you and a friend shared a Speccy keyboard with the corresponding game play split on the…
... my toastrack using the RAM disk which was fantastic for switching to ... -
Two player, split screen Speccy gamesWhat are you favs? I'm referring to the type of games where you and a friend shared a Speccy keyboard with the corresponding game play split on the…
... my toastrack using the RAM disk which was fantastic for switching to ... -
Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... ]
"Toastrack consumes 0.96A@10V with the original regulator and 0 ... -
Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
With the 7805 regulator switching replacements there's nothing catastrophic ... -
Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... ]
"Toastrack consumes 0.96A@10V with the original regulator and 0 ... -
Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... any, I now have a toastrack that I am currently repairing ... to have its own voltage regulator circuits (meaning use another 7805 ... -
Help me fix my grail ZX 128k SpectrumHi all, Ok today my grail toaster rack ZX spectrum 128k turned up. I finally found one and for a reasonable price. I powered it up and..... Nothing …
... a Sinclair ZX Spectrum 128k+ toastrack). The safety of the circuitry ... lead connected to the 7805 regulator pin 1 (the input)?
regulator pin 3 (the +5V output ... -
Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... RECOM is thrown in a toastrack, Im betting everything will be ... didn't use a 1A regulator. :) -
Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... RECOM is thrown in a toastrack, Im betting everything will be ... [I]wrong[/I] about a toastrack you can't warm your ... didn't use a 1A regulator. :smile:[/QUOTE]
Me ... -
Zx Spectrum 128k Toaster RGB pinoutHi all When I use my +2 scart cable on my 128k the picture looks terrible, so I have bought the din plug to make my own. Most sites from what I ca…
... an RGB cable for the Toastrack 128K Spectrum the circuit shown ... brightness is not included on Toastrack in the R, G, B ... of the SCART.
Function switching is not necessary in most ... -
Burned finger temp on rubber 48k heatsink normal?Ok so i opened it up because a few keys started to act up and i noticed that after burning my hand the heatsink was that hot i could actually smell t…
... past:
[CODE]
Toastrack 128K 935mA
Grey +2 ... ) 620mA
- with switch mode regulator -220mA (400mA)
- with Lower ... -
Powering a Spectrum with 5v?I live in the States, but I'm originally from England. My original Spectrum is still at my mum's house in the UK, and I was thinking of asking her t…
... simple as bypassing the 7805 regulator. It's not something I ... are generated by a simple switching voltage converter circuit. I don ... -
Powering a Spectrum with 5v?I live in the States, but I'm originally from England. My original Spectrum is still at my mum's house in the UK, and I was thinking of asking her t…
... 5v output from the main regulator the first stage of the ... actually generated from the internal switching power supply circuit, which draws ... -
Painting 128+ heatsinkI've searched for this and not come up with anything. Just bought a rather cheap 128+ off eBay which is apparently working (although I haven't teste…
... generated by the 7805 voltage regulator to the air. Heat takes ... temperature of the 7805 voltage regulator from increasing above the recommended ... the existing 7805 voltage regulator for a modern switching type (which does ... -
Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... out the 7805 voltage regulator for a switching type so there's ... -
Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …
... mechanism (usually a linear voltage regulator) to maintain a stable ... work, so a 9V regulator usually requires at least 10V ... to the regulator inside.
The 128K toastrack has it ... efficiently than a linear voltage regulator. Rather than burning the ... -
Which +2 model?Hi which +2 model is considered the best to use,most compatible ect? +2 or +2A or +2b I do have the Sinclair models but I like the keyboard and b…
... most like a Sinclair 128k+ toastrack, if that is what you ... regards to the RAM bank switching.
Lots more in ... -
Cooking toastrack... the dreaded smellI powered up my Spectrum 128 (heatsink model) yesterday only to see what looked like an out-of-tune picture on the television. I'm using a scart adap…
... lack of +12v on a toastrack would take out RF and ... composite sync and the RGB switching signal (which is actually composite ... TEA2000 = No Sync and RGB switching signal = confused TV thinking the ... -
Switched voltage regulatorIn the past a replacement voor the (hot!) 7805 has popped up a couple of times in various threads. As far as I know, Recom Power Inc. was always ment…
... /> Maybe too much noise from switching oscillator.[/QUOTE]
Yes ... layout of a 7805 linear regulator -
Finally got round to itFinally got round to giving my old speccy a close look. Details 1982 Issue 2 Seriel No 001 196193 Hmm... Followed the initial tests on You tube w…
... of the circuit before even switching power on. This is a ... . I'd suspect the 7805 regulator in the first instance, but ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
...
I have tried switching Eproms but it makes no ... making the wire to the Regulator a bit longer so the ... regulator pins do not break of ... removed . The wires to the regulator were previously very short which ... -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... I hope.
The Regulator Issue . Big Brother runs hot ... on" combo partner a 128k toastrack will need a check out ...
