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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…
... for changing out an aged regulator to improve reliability. The correct ... -
Dot crawl?Hi, As I'm rather new to the hardware of the spectrum, just to confirm: is this video showing "Dot crawl" ? [url]https://www.youtube.com/watch?v=_U…
... the 7805 replacement with switching regulator helped. I have two boards ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... mobo, and also the power regulator for a modern version that ... heat associated with the old regulator and its huge heatsink.
Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
The internal switching regulator circuit in 16k/48k Spectrums ...Another ZX Compact.As a follow up to finding and posting this last year , [url]http://www.worldofspectrum.org/forums/showthread.php?t=42473[/url] I took on the challen…
If you're going to do that wouldn't it make sense to change the power regulator to get rid of the heatsink?Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
... =1024MAK;776199]The internal switching regulator circuit in 16k/48k Spectrums ...Another ZX Compact.As a follow up to finding and posting this last year , [url]http://www.worldofspectrum.org/forums/showthread.php?t=42473[/url] I took on the challen…
[QUOTE=BiNMaN;776207]If you're going to do that wouldn't it make sense to change the power regulator to get rid of the heatsink?[/QUOTE]
True, the seller says they have added a fan though.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…
... altogether and replacing your old regulator with a new model, such ...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…
... legs is probably the voltage regulator, that will get very hot ...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…
... is a 3.3V voltage regulator. It reduces the +5V supply ... /128k+ machines the 7805 voltage regulator works so hard, it has ...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…
i understand that a voltage regulator will get hot when working ...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 ...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…
... regards to the 3.3V regulator on the DivMMC EnJOY, given ... faulty. That explains why the regulator runs so hot.
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…
... , this comes from the 7805 regulator (or 78S05).
And ...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…
... practically no heat, but the regulator in Toastrack is rated above ... .96A@10V with the original regulator and 0.60A@10V with ...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…
Just found the replacement regulator. Are these any good?
[URL="http://www.dimensionengineering.com/products/de-sw050"]http://www.dimensionengineering.com/products/de-sw050[/URL]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…
Needs to be a 2A regulator for the toasty, if I recall correctly (its PSU is rated at 1.85A)
BToastrack 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…
... suggest sticking with a linear regulator. The large heatsink means they ...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…
... ]Needs to be a 2A regulator for the toasty, if I ...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…
... just try a 1A switching regulator since I happen to have ...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…
... .96A@10V with the original regulator and 0.60A@10V with ...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 ...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…
... .96A@10V with the original regulator and 0.60A@10V with ...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…
... ;780970]With the 7805 regulator switching replacements there's ... the ?trip? current, the regulator will reduce the output voltage ... this behaviour and then the regulator could overheat.
regulator. They do survive :-). However ...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 …
... rail would either indicate a regulator failure or a PSU failure ... from the motherboard to the regulator on the heatsink is attached ... checks out, try replacing the regulator with a 7805 or 78S05 ...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…
... 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 …
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Sounds like either the regulator has failed or the connector ... at the top of the regulator), and you should see 5v ...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 …
I am a novice at this kind of stuff, can you explain what a regulator is lolHelp 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 …
... what you see, then the regulator is fine.
Try ...
