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Toastrack - faint monochrome displayHi all, I've got a Toastrack with a video issue on both RGB and RF. I get a faint monochrome screen: on one LCD display it is predominately white,…
... 'll look to disassemble the coil when I get time, unless ... -
Toastrack - faint monochrome displayHi all, I've got a Toastrack with a video issue on both RGB and RF. I get a faint monochrome screen: on one LCD display it is predominately white,…
... wire has shorted on the coil windings.
Some windings ... ) that I'll rebuild the coil with, using using your sage ... try to visually document the coil rebuild for the help of ... -
Toastrack - faint monochrome displayHi all, I've got a Toastrack with a video issue on both RGB and RF. I get a faint monochrome screen: on one LCD display it is predominately white,…
All fixed - it was the coil! >:D<
... this, "The rescue of a coil". You legend. ^:)^
As ... take some pictures of that coil and put the Spectrum back ... -
Kempston interface schematic: wrong IC?Hi! I'm trying to learn about the inner workings of the speccy, and I thought that building a kemspton interface would help me learn about things lik…
... I become a walking Tesla coil. I swear I always have ... -
+2 grey - datacorder on/off switch?Hi everyone. Building a simple on/off switch to power up/down the tape deck will eliminate the noise in sound output? Is this a safe approach or …
... a small reed relay. The coil is parallel to the motor ... -
128K Toastrack (Noisy video output)Hello there guys! Need all of yours guides and advices. Some time ago I bought a nice looking 128K from eBay (motherboard v6K) and put it aside for…
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 …
... (~320V DC) across the primary coil of a transformer. Typically at ...No video output from Spectrum +2 (light grey)Got a strange issue with my Spectrum +2 light grey edition. It was working fine then all of sudden it outputs a black screen while I was using it wit…
... , then the problem is the coil transformer.
See [url ... .
To repair a coil, read [url="https://www.worldofspectrum ... /36837/the-rescue-of-a-coil"]this thread[/url].
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... . I am tempted to replace coil and see if that fixes ...British Airways Systems Failure.So unless you have been living under a rock for the past 24 hours, you will have learned that British Airways (BA) have had a major IT systems failur…
... current to energise a relay coil than to make a transistor ...Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…
... /> This is of an extra coil:
[URL=http://s1063.photobucket ...Trying to repair a Speccy 48k - No PulsingI've had this machine for ages. I'd I've been putting off fixing it for some time now. So a couple of days ago I pulled it apart and started prob…
... , is current leaking through the coil of the DC/DC converter ...Trying to repair a Speccy 48k - No PulsingI've had this machine for ages. I'd I've been putting off fixing it for some time now. So a couple of days ago I pulled it apart and started prob…
... them. But first, check the coil - if it has shorted turns ...Trying to repair a Speccy 48k - No PulsingI've had this machine for ages. I'd I've been putting off fixing it for some time now. So a couple of days ago I pulled it apart and started prob…
... [/url]).
A damaged coil sometimes has the coils looking ...Trying to repair a Speccy 48k - No PulsingI've had this machine for ages. I'd I've been putting off fixing it for some time now. So a couple of days ago I pulled it apart and started prob…
... /> I'll check out the coil and see if I can ...ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... circuitry (TR4, TR5 and the "coil" and associated components), modify this ...What is the oldest bit of machinery in regular use in your workplace?What's the oldest bit of machinery anyone has ever used regularly in the work place? Where I am now, very old building, mostly modern stuff. Previ…
... of thicknesses and then the coil of rope had to be ...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…
... the transistor end of the coil will vary depending on a ... TR4 and TR5 and the coil are working correctly (which they ...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 …
... (C50 and C34?) near the coil at the top RHS of ...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 …
... replaced (the ones near the coil)
2) It gives ...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 …
... these 2 caps nearest the coil . I have bought a new ...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 …
... (the 2 caps nearest the coil) does not seem to have ...48k Issue 6a Very sick indeed.Hi Guys. I have a 48k Issue 6a board that shows a white screen with grey border. The white screen has three black squares spaced equally on the le…
... hear any whine from the coil.[/quote]
The ... operating frequency, so the "coil" is not being pulsed ... these two supplies are the "coil" (actually a small transformer ... TR4, TR5 and the "coil". Also it is good ... secondary winding of the "coil" and cause it to ...48k Issue 6a Very sick indeed.Hi Guys. I have a 48k Issue 6a board that shows a white screen with grey border. The white screen has three black squares spaced equally on the le…
... I have swapped out the coil from another 48k board. I ... see any issues with this coil and checking the resistance using ...ZX Spectrum Issue 2 - 12V badHey there, I'm currently attempting to fix a ZX Spectrum issue 2 that I recieved. Overall the machine was generally working when I recieved it, bu…
... the secondary winding of the "coil" (actually a transformer) from the ...Spectrum plus started smoking.Yes, it did. And then it stopped working. Is there a likely problem that is fairly easily repairable? I'm very upset and don't know what to do. …
... it, my guess is the coil in the DC-DC circuitry ...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 …
... inductor for continuity of each coil and for shorts between them ...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 …
Coil seems fine
I removed both transistors and checked the voltage drops which all read 680mv so they seem within tolerance.I've made it, the big five oh!I don't normally make a big thing about this sort of thing, but I've hit the big mile stone of my life and wanted to shout it out... I'M FIFTY. …
... mates jump off the mortal coil than I have, sad but ...
