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'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... either TR4 died, or the coil died.
It's ... -
Giving up on SpectrumsHi all... Bit of a downer post here... I'm really close to giving up on Spectrums.. My 48k has given me nothing but head aches since day one... and …
... completely dead... no buzz from coil, no TV output... nothing...
'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... fried upper ram
[*]Power coil likely broken (no noise)
coil, TR4 and TR5, to see ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... 'd hold off on the coil for now, rare enough for ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... 'd hold off on the coil for now, rare enough for ...ZX Spectrum upper RAM module (4532/4164 replacement)Following the [URL="http://zx.zigg.net/LRR/"]lower RAM replacement module[/URL], there have been quite a lot of requests for something similar for th…
... converter fitted and the Speccy coil removed (disabling the Speccy +12v ...'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…
... = I can now hear the coil buzzing away when the board ...Short Circuit Damage?Hey Spectrum fans, Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot -…
... TR4 (along with TR5, the coil and various other bits) generate ...Short Circuit Damage?Hey Spectrum fans, Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot -…
I always change TR4 and TR5 at the same time, as if one is bad it can take out the other.
The official advice is originally to actually change TR4, TR5 [i]and[/i] the coil, but that may be difficult these days!Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …
... by TR4, TR5 and the coil, the voltage on +12V line ...48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... , which I assume is the coil, but that goes away once ...128K Toastrack - Missing coil?Hiya! I recently acquired a fleabay 128K, and before putting power through it, I thought i'd open it up to see if anything looked obviously wrong (e…
It's not "the coil", the space is reserved for ...128K Toastrack - Missing coil?Hiya! I recently acquired a fleabay 128K, and before putting power through it, I thought i'd open it up to see if anything looked obviously wrong (e…
Your Sinclair, Issue 10 Oct 1986 (Great Escape cover) page 33 has a picture of the board with the coil.
[url]ftp://ftp.worldofspectrum.org/pub/sinclair/magazines/YourSinclair/Issue10/Pages/YourSinclair1000033.jpg[/url]128K Toastrack - Missing coil?Hiya! I recently acquired a fleabay 128K, and before putting power through it, I thought i'd open it up to see if anything looked obviously wrong (e…
... is a issue 6K with coil
[url]http://hardware ... ), nome of them have the coil
Bye
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…
... , or an issue with the coil.
One point to ... /> 3) Checking continuity on the coil on each side, and checking ...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…
What Balford said. :) It's probably (almost certainly) a short circuit somewhere from a damaged track. It could be the coil, but it's unlikely. Check the resistance between the -5V and ground and +12V and ground.
As he says, don't give up!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…
... refer to the coil, is that the little coil next to the ...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…
... refer to the coil, is that the little coil next to the ... />
As far as the coil goes, it's right beside ... TR4/TR5, and marked 'COIL' in your photo above :)
coil. Test both left hand pins ...problems with a 48k[url]http://imgur.com/lpGfjik[/url] Hi WOS. Its my first post here. I have know about this site for a quite good time, but didnt had the will to con…
... -5V line is gone, the coil no longer hits the resonant ...problems with a 48k[url]http://imgur.com/lpGfjik[/url] Hi WOS. Its my first post here. I have know about this site for a quite good time, but didnt had the will to con…
... -5V line is gone, the coil no longer hits the resonant ... an inverter circuit, so no coil) :-D
[B][I ...problems with a 48k[url]http://imgur.com/lpGfjik[/url] Hi WOS. Its my first post here. I have know about this site for a quite good time, but didnt had the will to con…
... -5V line is gone, the coil no longer hits the resonant ... issue 6, and suspected the coil had gone haywire. :p
problems with a 48k[url]http://imgur.com/lpGfjik[/url] Hi WOS. Its my first post here. I have know about this site for a quite good time, but didnt had the will to con…
... lot of noise from the coil - those in issue 1/2 ...Joytsick Interface damaged SpectrumHello All, Sob.. I am a plonker, I did the cardinal sin, I was testing a bunch of joystick interfaces that I got off ebay and one didn't have the ke…
... them.[/QUOTE]
The Coil mod is throwing me somewhat ...48k noise problem..Hi guys, I need some hardware advice with my old 48k. The machine is VERY noisy - I've fixed the video noise by performing the 'composite' mod, but …
... volume down.
The coil that does the voltage conversion ...48k noise problem..Hi guys, I need some hardware advice with my old 48k. The machine is VERY noisy - I've fixed the video noise by performing the 'composite' mod, but …
... designed to have a moving coil microphone plugged into it.The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
... step was to replace the coil, power socket, electrolytic caps and ...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…
Turned out that when I fitted his coil into my test Toastrack, that started smoking too.
One new coil later, and we have Happy Speccy. :)another non working issue 3 48kHi all, next! :) I don't have good filings about this speccy :) https://youtu.be/D9qpCR18-kI here is short video what this speccy do. we hav…
... the secondary winding of the coil?
Other causes of ...
