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ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…
... " broken ZX Spectrum +. The idea was to put an harlequin board inside, but ... writing on the board says it is an Issue 4S.
- The ... be blown as well?
- Issue 4S? In WOS docs there ... are schematics for Issue 4a and 4b, but I ... -
48K ZX Spectrum. Issue 4A.Exclusive to WoS, not advertised anywhere else. For sale is a 48K ZX Spectrum, containing an issue 4A mainboard (in the unusual and pleasing cream c…
... sale is a 48K ZX Spectrum, containing an issue 4A mainboard (in the ... condition.
[URL="http://zx.zigg.net/spectrums/ZX113/"]Photographs ... -
Repair ZX Spectrum +2 black issue 1Hi all, after a long time i will try to repair a ZX Spectrum +2 black i found the last days i know for sure that CPU is damaged (already repla…
... will try to repair a ZX Spectrum +2 black i found the ... power is ok on the board
thanks for your ... -
Zx Spectrum 48k,128k e +2Hi, I'm looking for Speccy 48k issue 5, a Spectrum 128K issue <>6U and ZX Spectrum +2 grey issue 2 and 4. Matteo
Hi, I'm looking for Speccy 48k issue 5, a Spectrum 128K issue 6U and ZX Spectrum +2 grey issue 2 and 4.
Matteo -
ZX Spectrum 48k - no CLK signalHello I'm trying to repair ZX Spectrum 48 mainboard issue 3B. When i check signal with oscilloscope on X1 or on ULA pin 39. I get stable 2V no clock…
... 'm trying to repair ZX Spectrum 48 mainboard issue 3B.
When i ... -
ZX Spectrum +2B 128K sound distorted and vertical jailbars. How to fix it?Hello, I have a ZX Spectrum +2B 128K (Issue 4 Motherboard) which suffers from sound distortion (the AY music is loud and distorted) and also very fa…
... /> I have a ZX Spectrum +2B 128K (Issue 4 Motherboard) which suffers ... /> Regarding the sound issue and I found out ... gt; https://zxnet.co.uk/spectrum/+3sound/#furtherimprovements
which ... respectively?
Regarding the issue of vertical jailbars I ... -
bizarre error on a grey ZX Spectrum+2 - the long search for a small problemHi, I got a ZX Spectrum+2 that worked a bit but crashed while loading or running 128k games. I installed a 128k-test-ROM that told me about RAM fa…
...
I got a ZX Spectrum+2 that worked a bit ... installed new RAMs. The error remained. Then I removed ... did not find any error, even the RS232 and ... its 9V input the known error remained - Buzzsaw did ... mention to an issue 3 board of a grey ZX Spectrum +2.
ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…
... friend.
The issue:
Composite video out on ... RAM with Brendan Alford's "ZX Spectrum Diagnostics"
Exchange all ... for 23 12vac shown on schematic?) : -5.175v (20), 11 ... any residing solder splatter (this board has double sided mask) ...issue number of ZX Spectrum 48K by means of serial numberIt is possible to identify the board issue of ZX Spectrum 48K/+ by means of the serial number? If yes, how? [ This Message was edited by: nalexan …
... is possible to identify the board issue of ZX Spectrum 48K/+ by means of ...ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…
ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At ... the diag board claims low memory problems and the ZX malfunctions.
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…
Hi, I have a faulty ZX Spectrum Issue 2 motherboard. Looks in very ... is directly soldered to the board. I have used a soldering ...ZX Spectrum issue 4B acquiredI recently acquired a ZX Spectrum with serial number 138-363292 on the case, and a 1983 issue 4B board I got it for the purpose of repair. and have…
I recently acquired a ZX Spectrum with serial number 138-363292 ... the case, and a 1983 issue 4B board
I got it ... some initial images of the board:
[img]https://dl.dropboxusercontent ...sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …
Hi All,
Is there someone who may explain what these jumpers can be used for.
[url]http://forest.no-ip.org/repair/jumpers.gif[/url]Issue 1 ZX Spectrum for SaleBefore I go down the route of shoving this on ebay, I would like to offer fellow WoSsers the opportunity to express their interest in this item. It …
... is a fully working issue 1 48K ZX Spectrum (the one with the ...Wanted: RGB SCART cable for heatsink 128K and ULA for issue 3 ZX SpectrumHi all, I'm after an RGB SCART cable for a heatsink 128K as well as a replacement ULA for an issue 3 ZX Spectrum (Ferranti ULA from memory). Can an…
... a replacement ULA for an issue 3 ZX Spectrum (Ferranti ULA from memory ...German Issue ZX Spectrum + other Hardware on EbayI am now selling some hardware including a boxed German Issue Spectrum. [url]http://cgi.ebay.co.uk/GERMAN-ISSUE-Sinclair-ZX-Spectrum-16K-Computer…
... hardware including a boxed German Issue Spectrum.
ISSUE-Sinclair-ZX-Spectrum-16K-Computer-BOXED_W0QQitemZ400023708942QQcmdZViewItemQQptZUK_VintageComputing_RL ... /merchant/blooda_W0QQ_dmdZ1QQ_sopZ12?_nkw=spectrum&_sacat=0& ...zx spectrum issue 1 on ebayzx spectrum issue 1 [url]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120382689162[/url]
zx spectrum issue 1
[url]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120382689162[/url]Quiet ZX Spectrum Issue 3We have a ZX Spectrum issue 3 where the volume is very low. The TR7 has been replaced, but to no effect. The speaker looks ok, but apart from swapp…
We have a ZX Spectrum issue 3 where the volume is very low.
The TR7 has been replaced, but to no effect. The speaker looks ok, but apart from swapping the speaker, is there anything else to try?ZX spectrum +2 issue3 (gray) videoout problemHi! Have distorted flickering image on ZX spectrum +2 gray issue3. RGB connection thru sony CXA rgb->svideo coder (Good quality! but flickering) [ur…
... /> Have distorted flickering image on ZX spectrum +2 gray issue3.
issue on this spectrum?
How can I ... fine without flickers.
Schematic [url]http://img163.imageshack.us ...Issue 2 ZX Spectrum 48K for saleNot on eBay this time. An 48K ZX Spectrum issue 2, working 100%. Tested with a DivIDE: no problem at all. I only needed to replace C27 because it ne…
... time.
An 48K ZX Spectrum issue 2, working 100%.
Tested ...ZX Spectrum problemsHello Everybody, I am new here, and I need some help in my ZX repairs : - I have a ZX Spectrum 48k board (issue 2) which power up but remains stuck o…
... :
- I have a ZX Spectrum 48k board (issue 2) which power up but ... /> - I have a Spectrum + (with an issue 4s board) which displays random black ...ZX SPECTRUM 48K color problemsHello, I am asking for your help... I found a ZX spectrum in a garage of a friend. He gave it to me telling that it didn't work. To say the truth it…
... your help... I found a ZX spectrum in a garage of a ... screen.
The issue of the board is 4B
spectrum + and I copied all the ...ZX Spectrum Bits n' Pieces For Sale!Hi Spec-chums! I have here for sale some ZX Spectrum items which I thought might interest you peeps in the community. It's just a few bits n' pieces …
... an issue 3 48k board originally. Price = ?15.
2. ZX Spectrum introduction ...
4. Black plastic ZX Spectrum holdall. For rubberkeyed Spectrums.
5. Power supply for ZX Spectrum(rubberkey version)
No picture ...zx spectrum issue 1Just to let you all know i have another zx spectrum issue 1 being listed this Thursday 22/08/2013 around 20.00 hrs , i cant ask any questions on it a…
... all know i have another zx spectrum issue 1 being listed this Thursday ...ZX Spectrum Pre-regulator DesignCarrying on from the "[URL="http://www.worldofspectrum.org/forums/showthread.php?t=44486"]Issue 2 crashes after about 30 mins[/URL]" thread... [QUOT…
... forums/showthread.php?t=44486"]Issue 2 crashes after about ... [QUOTE=1024MAK;713643][U][B]ZX Spectrum Pre-regulator Design[/B][/U ... the provisional circuit diagram / schematic:[IMG]http://farm4.staticflickr.com ... were an issue 4, an issue 4S and an issue 6A.
ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... is inverted on the DivMMC board by a 74LVC1G14 Schmitt trigger ... /> - 1x ZX Spectrum +2A: OK
- 1x ZX Spectrum +3: OK
- 4x ZX Spectrum 128K ... ]The clock signal on the ZX Spectrum 48K (issue 3)[/U]
The ...Zx Spectrum+ Issue 6 yellow screenHi boys, recently i found a zx spectrum+ issue 6 that just turned on displays a screen with too much yellow exactly as in the picture below: [IMG]ht…
... ,
recently i found a zx spectrum+ issue 6 that just turned on ... /> It seems that on the issue 6 is more difficult, right ...ZX Spectrum and add-on temperaturesImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about temperatures he measured with a modern to…
... .jpg[/IMG]
ZX Spectrum issue two temperature from the outside ... />
Here's the board with new regulator:
Spectrum+_ISSUE3B_switching_regulator_temperature.jpg[/IMG]
...My Boxed ZX Spectrum For Sale On EbayHi spec-chums. I have listed on Ebay a boxed ZX Spectrum which is a rubber key model. It is in a tatty condition but is all working. It would be a ni…
... listed on Ebay a boxed ZX Spectrum which is a rubber key ... . It has an early issue 2 board inside it which I believe ... .co.uk/itm/Boxed-Sinclair-ZX-Spectrum-Issue-2-48k-Upgraded-All-working ... .co.uk/itm/Boxed-Sinclair-ZX-Spectrum-Issue-2-48k-Upgraded-All-working ...ZX Spectrum +2A - Issue loading gamesHi! I have my ZX Spectrum +2A with a very strange issue regarding games loading. The thing is that I can only load a few games from the Datacorder o…
... have my ZX Spectrum +2A with a very strange issue regarding games loading ...
