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Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …
... your Spectrum has its original electrolytic capacitors, they definitely ought to ... soon cause one. Dried out electrolytic capacitors usually work better (if ... -
Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …
... socketed chips and replacing the electrolytic capacitors when it comes to ... -
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…
... after substitution of all the electrolytic capacitors and some damage to ... -
1x XC9572XL or 2x XC9536XL?I'm working on some projects which do not settle with only one XC9536XL CPLD. Main reason is of course the lack of user pins on the XC9536XL, I need …
... ground bounce.
Include both electrolytic and 100nF decoupling capactors close ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... I'd also suspect the electrolytic capacitors too as they WILL ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... .
Also note that electrolytic capacitors do not work well ... -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... .
Also note that electrolytic capacitors do not work well ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... your Spectrum has its original electrolytic capacitors, I recommend you replace ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
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In regards to the electrolytic capacitors, I'm guessing I ... but make sure they are electrolytic capacitors and the same voltage ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... ;696445]In regards to the electrolytic capacitors, I'm guessing I ... but make sure they are electrolytic capacitors and the same voltage ... careful attention to the orientation. Electrolytic capacitors have a positive and ... -
Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... ) to the plus of an electrolytic capacitor.
Roelof -
Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
... to the TV.
Any electrolytic capacitor in series to the ... .7 (1) V. Therefore a (electrolytic) capacitor in series is not ... -
Faulty 48K Issue 3 motherboardHi I have a faulty Issue 3 motherboard and would appreciate it if somebody can steer me in the right direction of where to begin with the fault find…
... )? If not did you change electrolytic capacitors?
After powering up ... -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... . I would suspect a reversed electrolytic or a short ciccuit somewhere. -
48k + Spectrum Issue 4S Display IssueHi all! Brand new user here. Growing up I had a zx spectrum for a little bit, and recently I have bought a working 48k + Spectrum (Issue 4). I was…
... would have not changed every electrolytic until I saw the ZX ... coming alive again. Electrolytic capacitors have their problems, but ... -
issue 1 wire broken offHi there have just purchased a issue 1 zx spectrum 48k but there is a wire off on the underside of the board. It is from the ula one goes to the keyb…
CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
Use electrolytic capacitors of the same ... recent thread.
Electrolytic capacitors are polarised and MUST ... do recommend you replace the electrolytic capacitors, but possibly not ... the replacement work. Failing electrolytic capacitors don't usually go ...CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
... a little bit more on electrolytic capacitors. They degrade due to ... natural leaking or high temperatures. Electrolytic capacitors also have a temperature ...Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... practise to replace all the electrolytic caps on the board as ...Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... various boards to see what Electrolytic Capacitors I need to buy ...CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …
Axle electrolytic capacitors available from Farnell: [URL=" ...Spectrum+ Noisey Picture ProblemHi fellow Spec-chums I need your help! I've recently brought a 48K+ Spectrum(issue 6A) that I'm trying to repair. I did all initial tests on it prio…
Looks like an electrolytic cap's dried up to me - I'd certainly go over those first myself. Can't hurt and isn't too expensive.Spectrum+ Noisey Picture ProblemHi fellow Spec-chums I need your help! I've recently brought a 48K+ Spectrum(issue 6A) that I'm trying to repair. I did all initial tests on it prio…
Replace electrolytic capacitors as suggested. I'd ...Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…
... good chance that all the electrolytic caps are going to need ...ZX Spectrum manufactured by SAMSUNGI just got hold of a 48K ZX Spectrum Issue 4S of which was manufactured by SAMSUNG. I was not aware that Samsung manufactured Spectrums under licence…
... will start by replacing the electrolytic caps first to see if ...Spectrum+ NSTC?Hi Guys. I have composite modded my Spectrum+, but my TV detects it as NSTC? My other standard spectrums composite out fine in the same TV Any ide…
[QUOTE=guesser;703952]Ah I see [B][/B][/QUOTE]
Not if he doesn't have a picture :p...
I would renew the electrolytic capacitors in the video circuit area.
[B][I]Mark[/I][/B]+2 floating tape headI know many have had problems with the +2 datacorder, but I'm not giving up easily ;) One of my stack of +2's has a working taperecorder, but it's l…
... (well, that and some new electrolytic capacitors for the internal SMPSU ...ZX Spectrum 48k Issue 2 Faulty Ram?Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy condition. Though I'm getting random columns of blocks and flashing cursors…
... are 99% due to old electrolytic capacitors that dried up. Replace ... all the electrolytic caps on the board and ...ZX Spectrum 48k Issue 2 Faulty Ram?Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy condition. Though I'm getting random columns of blocks and flashing cursors…
... are 99% due to old electrolytic capacitors that dried up. Replace ... all the electrolytic caps on the board and ... of a beginner but these electrolytic caps, is there better replacement ...ZX Spectrum 48k Issue 2 Faulty Ram?Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very tidy condition. Though I'm getting random columns of blocks and flashing cursors…
... of a beginner but these electrolytic caps, is there better replacement ...