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First time capacitor replacementHi, I have an Issue 2 board, that i wish to start with recapping as advised on here, as they look to be all original. (Same with V3 board, but going…
... have some spare from the list I posted earlier of Rapid ... .
Most of the capacitors are used on the +5V ... can - just ask). Modern electrolytic capacitors are normally smaller, so that ... -
Faulty grey +2, or not?While I?m still fighting with two to three grey +2 computers, which doesn?t give a video signal, I received another grey +2, which acts very strangel…
... , where the manual doesn?t list any 50V at all. Or ... reading?[/QUOTE]
1uF electrolytic capacitors are not easy to get ... -
Faulty grey +2, or not?While I?m still fighting with two to three grey +2 computers, which doesn?t give a video signal, I received another grey +2, which acts very strangel…
... of materials) AKA "The parts list", are usually "The minimum ... become leaky. Larger value capacitors also tend to be more ... Because the dielectric of these capacitors is not dependant upon the ... replacement chips.
Capacitors and their uses is a ... -
Spectrum Missing -5vMy Spectrum is "almost" booting, just when you expect the (C) 1982 Sinclair Research to appear it just displays flashing squares on the screen :( I …
... /> I posted a list of nearly all electrolytic capacitors needed for a ... -
PlusDlite problems with 128K modelsLast year I developed the PlusDlite, and already shipped out a couple of them. Only recently I discovered some problems with 128K models. I remember…
One easy thing to try (which is on the list of possible causes of ground bounce above) might be to try decoupling capacitors across the power rails for each IC?
B -
PlusDlite problems with 128K modelsLast year I developed the PlusDlite, and already shipped out a couple of them. Only recently I discovered some problems with 128K models. I remember…
... try (which is on the list of possible causes of ground ... ) might be to try decoupling capacitors across the power rails for ... -
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…
Capacitors don't cost much, so ... at the bottom of suspect list, not near the top.
ZX Spectrum 48K AV IssueOK so I dugout my old 48K Speccy today and decided to AV mod it. I did the mod (pretty easy) but the picture I am getting is this. [url=http://posti…
... /showthread.php?p=699898#post699898"]Capacitors - types and how they degrade ... .php?t=44951"]Replacement parts (list) [/URL]
[URL="http://www ...ZX Spectrum 48K AV IssueOK so I dugout my old 48K Speccy today and decided to AV mod it. I did the mod (pretty easy) but the picture I am getting is this. [url=http://posti…
Just looked at you parts list and most of the links ... ?C
Other useful capacitors
11-0170 Forever 85 ...Powering a Spectrum with 5v?I live in the States, but I'm originally from England. My original Spectrum is still at my mum's house in the UK, and I was thinking of asking her t…
... and ideally all its electrolytic capacitors should be replaced to give ... ="http://www.youtube.com/playlist?list=PL4H3oOJzIQMkKiG94z2x0laC7gqqmwBE8"]http://www.youtube.com ...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 -…
... was also on my todo list (as it is on all ... .retroleum.co.uk/zx-spectrum-capacitors[/url] for a good price ...48k Spectrum "Jail Bars" Removal?Hi all Just curious I think I saw a post here about the bars that go down the screen on some 48k's I think he referred to them as "jail bars". Any…
... (and-5V) lines:
[LIST]
[*]100Hz from the unregulated ... outputs on or off
[/LIST]
The ... with 1uF multilayer ceramic capacitors, this provides really good ... />
100nF ceramic capacitors connected across all the electrolytic ...Just Speccy 128Wow, got home and found that I have received a parcel from Zaxon containing a Just Speccy 128 PCB :-) B-)<br>Now all I need is a parts list, th…
... systems, fitting low ESR electrolytic capacitors is important. But as with ... , don't use questionable electrolytic capacitors.
A schematic ... mixed up on the parts list, U11 is listed, but ... is missing from the parts list, but fitted on the board ...not working issue 3Hi all, I received this mobo from ebay, after start i have this on screen [img]http://forest.no-ip.org/wos/issue3_01/20150728_135908.jpg[/img] …
... still has its original electrolytic capacitors. I strongly recommend all ... br />
- Replace all electrolytic capacitors.
- Check TR4, TR5 and ... https://www.youtube.com/playlist?list=PL4H3oOJzIQMkKiG94z2x0laC7gqqmwBE8"]https://youtube.com/playlist ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... a long time off the list. Hope I can clarify something ... iron core.
2) Capacitors are very few (four IIRC ... them anyway. The two big capacitors close to the edge connector ... renew the two small 10Uf capacitors next to the voltage regulators ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... Opus Discoveries "things to do" list? The options , even on this ... Discoveries with the new Panasonic capacitors I now have.
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... recommend replacing the original electrolytic capacitors in Spectrums, especially if they ... ="https://www.youtube.com/playlist?list=PL4H3oOJzIQMkKiG94z2x0laC7gqqmwBE8"]https://youtube.com/playlist ...Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... recommend that ALL the electrolytic capacitors are replaced. For the best ... ESR capacitors for the inverter/converter power supply section (see list below ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... /> 4) Cheap capacitors
Also:-
[list][5] Heat producing ... output rails would use three capacitors (two electrolytic and one ... , a total of six capacitors and two inductors. These ... ] plus two X2 suppression capacitors (one on the input ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... that some of the Chinese capacitors were not good as they ... before dying .
So capacitors are possibly a good place ... a list of those appearing on these PCBs as electrolytic capacitors. They ... time is needed revising/revisiting capacitors on You TubeOpus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... reconsideration here.
THE CAPACITORS . I replaced the big ones ... there . So a list of all the relevant capacitors would be useful ...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 …
... needed for repair , like the capacitors types used ( which can also ... if I get a complete list I can do a "one ... is to get a complete list of the parts needed to ...Spectrum +2 (grey): Mod- and operation- related advices needed.Dear Sirs and Ladies, Please welcome a newbie to the “World of Spectrum” (both to the forum and, well, metaphorically). I’ve recently purchased a…
[quote="guesser;879611"]part specs?[/quote]
I've made a list of all resistors and capacitors on the board. Would be useful to calculate voltages and currents. If no one needs those - I shan't bother.Spectrum Cables : How many individual types of these are there "out there" both past and now?So this is all about giving the SPECTRUM cables their correct cable titles to aid IDENTIFICATION OF CABLE TYPE and FUNCTION across the world.. An e…
... I was thinking that about Capacitors to service all the types ... could be on a big list . And the difficulty of getting ...ZX Spectrum spare parts : "endangered" and functional "extinctions" only It struck me how some Spectrum spare parts or parts that were used with Spectrums and that were commonly available are no longer available . The em…
... useful "easy to use" list could have the supplier' ... is all about getting a list like this together.
... br /> The usefulness of a list is that it gives a ... and determination.. At least capacitors are not rare. But ... be added to the list later then the hard ...Send in the ClonesPlease name all the Spectrum clones out there ( I would say I need it back on my desk in 5 minutes , but I will be a bit more generous in this case!…
... .
The following is a list of vintage computers which are ... work:
- replacement of electrolytic capacitors;
- restoration of mechanical contacts ...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 …
... .retroleum.co.uk/zx-spectrum-capacitors"]store.retroleum.co.uk/zx ... -spectrum-capacitors[/url]
So the ... axial electrolytic capacitors
The Caps Parts/Order list (first attempt ...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 SECOND list is almost the same as ... different types of electrolytic capacitors that can be used ...
But is the list now good enough to place ... br />
This provides list no 3.The Radial ones ... close to a final list good enough to order ...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 …
... kits are 85C temperature capacitors which probably means ... And there is another useful list of pats here:-
... components-for-ZX-Spectrum-Capacitors-Diodes-and-Transistors-/181131490531 ... components-for-ZX-Spectrum-Capacitors-Diodes-and-Transistors-/ ...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 …
... 48k on the "to recap list" is a Gold Plated Issue ... />
A new supply of capacitors arrived from CPC this morning ...
