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Things you hated about the speccyFor me it would be the Kempston interface coming loose and the machine crashing after a good session of waggling my joystick.
... /> The 7805 used to go wrong but it was easy to replace ... -
Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
If you replace the 7805 series voltage regulator (I dislike ... -
Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
[quote="1024MAK;896619"]If you replace the 7805 series voltage regulator (I dislike ... -
Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
... "][quote="1024MAK;896619"]If you replace the 7805 series voltage regulator (I ... -
Running a Spectrum from a battery...?Here's a bizarre idea that crossed my mind the other day: is it possible to run a Spectrum from a 12V battery? You see, I've got this strange idea…
If you replace the 7805 voltage regulator with a good ... -
128K + Toast Rack getting quite hot?Just wondering something if someone can put my mind at ease After using my 128k for around 10 minutes+ it seems to get quite warm around the heatsin…
... did you install a standard 7805 which is rated 1A only ... the Speccy down, you could replace the voltage regulator with a ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... value electrolytic capacitors, you should replace the existing electrolytic capacitors with ... the existing is marked 22uF, replace with a 22uF). The voltage ... the 7805 voltage regulator.
It is possible to replace some ... -
Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
... all the electrolytic capacitors,
[*]Replace C5, C6, C7 & C8 ... from the modulator and the 7805 heatsink.
[b][i ... -
Broken Issue 2 - likely culpritsI've just got hold of an issue 2 spectrum with an interesting layout (heatsink is vertical and goes down to the speaker, some variable resistors and …
Before you replace the 7805 regulator, try powering the machine from a decent regulated 9V power supply. It’s a must for any Speccy (48K–128K) owner, anyway. -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... please confirm what variant of 7805/78S05 regulators are in the ... were fitted with the 1A 7805 (or equivalent), so a ... generally recommend you replace like with like. So replace with the same ... higher voltage rating. And replace axial types with axial types ... -
PowerI am looking for a Zx Spectrum+ power supply and a cable to monitor. Does someone have one that they do not use, and want to give it away, I cannot …
... is needed for the internal 7805 type regulator. Any higher voltage ... . Worst case you need to replace the plug or cut the ... -
Power supply voltage regulator circuitRelating to [url="https://www.worldofspectrum.org/forums/discussion/56142/"]this topic[/url] I have managed to acquire this little accessory, which I…
... to make the Speccy's 7805 happier.
... supply but before the 7805 found inside the spectrum, ... that. Not abuse a 7805 + a bunch of external ... is allowed: a switching 7805 replacement. To be had ... you want[/i]. Or replace internal regulator with a low ... -
What % of WOSSERS use "old school" tape loading when playing their Speccy games.My guess is .000000001% ( but I might be slightly out on this! ) Do people still enjoy doing it "the old way"?
... series regulator made from a 7805 three terminal voltage regulator chip ... amount of heat that the 7805 voltage regulator in the ZX ... I use) is to replace the existing 7805 voltage regulator with a ... ].
Just remove the 7805 and it’s heatsink and ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... and a new voltage regulator (7805 or DC/DC converter).
replace the 7805 three terminal voltage regulator with ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... with the three terminal 7805 replacement DC/DC converter ... is only necessary to replace electrolytic capacitors on failure ... capacitors. Neither is critical. Replace on failure. Most machines ... remaining electrolytic capacitors - replace on failure or when ... -
48k ULA heat sink required ?ULA heat sink worthwhile mod or just internet hype ? if worthwhile is a cheap heat sink going to cut the mustard ? i wonder if anybody has done any …
yeh def always replace the 7805... its amazing how much heat them buggers create .. -
48k ULA heat sink required ?ULA heat sink worthwhile mod or just internet hype ? if worthwhile is a cheap heat sink going to cut the mustard ? i wonder if anybody has done any …
... ="mark8bit;981955"]yeh def always replace the 7805... its amazing how much ... -
Off topic: Fix/replace ZX81 keyboard?I know this is slightly off topic since this is a Spectrum forum, but here goes: The keyboard membrane for my old ZX81 is broken. The part of the me…
I know this is slightly off topic since this is a Spectrum forum, but here goes:
The keyboard membrane for my old ZX81 is broken. The part of the membrane you connect to the circuit board has simply snapped, severing all connections between ... -
Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …
... /> EA67 77 LD (HL),A ;replace digit in memory
EA68 ... -
Replacement Modulator for a issue 4 board Spectrum+???Anyone know where I may procure such a thing??? The one in my current machine starts up with the picture tearing and fading (As if the composite sig…
... anyways but would like to replace the modulator with one that ... -
35Mhz crystal wantedI am looking for a 35Mhz crystal to replace a missing one on my +2A. If you have one on a damaged spectrum could you let me know? I will pay a smal…
I am looking for a 35Mhz crystal to replace a missing one on my +2A. If you have one on a damaged spectrum could you let me know? I will pay a small fee of say ?1 if you wish. -
what spec pc are you running your speccy emulator onAll them giga hertz and bytes and what do i do with it mainly...play speccy games and old arcade games.. What spec pc do you have at the moment? I up…
... so i wont have to replace it next time i upgradem ... -
Platoon TZX / Decryption toneDownloaded Platoon from the TZX vault earlier today. Kept crashing when loading into my real speccy via PlayTZX, and I i realised the Speedlock 6 dec…
... on this and if to replace the one on WOS or ... -
.dsk back to +3 original format?Hi everyone! I recently stumbled over my spectrum +3 and i decided to replace its 3" dead drive for a 3.5" one. After some time, i was able to put it…
... +3 and i decided to replace its 3" dead drive for ... -
Once again about the +3 Disk drive problemI am facing a strange problem with one +3.In the beggining I though it was the drive belt problem which I have proptly replace. The error was still t…
... problem which I have proptly replace. The error was still there ... -
Keyboard MembraneHi all I'm about to finally replace the dead keyboard membrane in my 48K Speccy. Is there any preventative stuff I can do to improve the life of the…
... /> I'm about to finally replace the dead keyboard membrane in ... -
BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…
... text-processing tools like search/replace, command history, Undo, cut/copy ... into account the replace operations.
Added the Replace functions.
Altered ... that the text occurs on. Replace functions may be next.
did anyone ever abuse their spectrum.no , never abused a speccy , far to valueable at the time and would have been hard to replace , although a few tape recorders got the boot
no , never abused a speccy , far to valueable at the time and would have been hard to replace , although a few tape recorders got the bootANNOUNCE: Manic Miner 4 and Buddha Of Suburbia: Special EditionsToday I release special editions of my first two Manic Miner games - Manic Miner 4 and Manic Miner: The Buddha Of Suburbia. When I originally wrote …
... parallel products.
Please replace all copies - especially online copies ...
