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ANN: ZXF issue 4 now publishedIt gives me huge pleasure to announce that issue 4 of ZXF magazine is now available for free download at [url="http://www.zxf.cjb.net."]www.zxf.cjb.n…
... huge pleasure to announce that issue 4 of ZXF magazine is now ... doing that :))
This issue features a focus on new ... -
Retro Revival Issue 4 Now Available For DownloadAs the header suggests, issue 4 is now available from our website [url="http://www.retrorevival.co.uk"]www.retrorevival.co.uk[/url] Head over to the…
As the header suggests, issue 4 is now available from our ... /> Your views on this current issue are appreciated.
Regards ... -
Issue 4Anyone wanting to submit anything for Issue 4 has about a week left. We are aiming for another xmas day release.. Crap jokes, articles, reviews, pr…
Anyone wanting to submit anything for Issue 4 has about a week left. We are aiming for another xmas day release..
Crap jokes, articles, reviews, previews, adverts, etc... contact [EMAIL="lee.fogarty@gmail.com"]me.[/EMAIL] -
Partslist ZX 48K issue 4 PCBHas anyone the partslist from the ZX 48K issue 4 PCB? I can only find those from issue 1, 2, and 3. Thanks! Micky
Has anyone the partslist from the ZX 48K issue 4 PCB? I can only find those from issue 1, 2, and 3. Thanks!
Micky -
Wanted: 128 +2 B issue 4 Chips RomHello, I am looking for following chips to repair my (2) 128 + 2 B Spectrum + 2 B The board is an[B] issue 4[/B] [COLOR="Red"][B]and not[/B][/CO…
... /> The board is an[B] issue 4[/B] [COLOR="Red"][B]and ... not[/B][/COLOR] a Issue 1 as shown.
+2A: issue 1 no sound but better picture than issue 4?Hello everyone. I have a slight problem here and I am trying to figure out what could be wrong. :-( I have two spectrum +2A with two board revision…
... the other is a 1990 issue 4.
I have ... absent from RF output. On issue 4 board sound is coming from ... spectrums), whereas RF output from issue 4 board, even with C24 removed ... be slight diferences between issue 1 and issue 4 that actually explain this ...Calling all owners of Black +2s...Another annoying hardware survey for you... If you have a Black +2 with a motherboard marked: [B]Z70833 ISSUE 1 [/B] [LIST] [*]does your board have…
... motherboard marked:
[B]Z70833 ISSUE 1
[/B]
[LIST ... )
[/LIST]
[B]Z70833 ISSUE 2
[/B]
[LIST ... ?
[/LIST]
[B]Z70833 ISSUE 4
[/B]
[LIST]
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…
... ZX Spectrum +2B 128K (Issue 4 Motherboard) which suffers from sound ... .
Regarding the sound issue and I found out this ... because my mobo is the Z70833 issue 4 and not any early ... respectively?
Regarding the issue of vertical jailbars I found ...Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…
... sorts (it’s a +2B Z70833 issue 2). Do you know if ... says “A”) is an issue 2 or issue 1? (Says on the ... ” on it probably has a Z70833 issue 4 logic board.
I ...ZX Spectrum +2A - problems loading from tapeI recently acquired a ZX Spectrum +2A, now the only item in my collection to be found is a [b]+2B[/b], and I got all from the MK14 to the PC200 ;-) …
... .” Those are normally fitted with Z70833 Issue 4 logic boards.Spectrum board Issue numbersWhilst cataloging my spectrums I am documenting the issue numbers of the motherboards. so far I have (all spectrum or smegtrum + Issue TWO 3 3B …
... spectrums I am documenting the issue numbers of the motherboards.
Issue TWO
3
3B ... /> Was there ever an issue 1 and an issue 4 or 5A.
Sam Revival Back Issue Bonanza!As a special offer throughout March, i'm giving 25% off back issues of Sam Revival magazine. So if you are looking to fill in gaps in your collection…
... Stratosphere
Issue 2 Feature Articles
< ... grabbing sprites
Issue 3 Feature Articles
Issue 4 Feature Articles
... letters answered
Issue 15 Feature Articles
Issue 3Is now available to download [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/magazines/ZXShed/ZXShedIssue03.pdf"]here[/URL] As always, comments wel…
Is now available to download [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/magazines/ZXShed/ZXShedIssue03.pdf"]here[/URL]
As always, comments welcome.
Expect Issue 4 in a few days....Issue 4S Schematics and DC-DC circuitA while ago I bought a Spectrum 4S that had problems tuning. I removed the RF tuner as I was not going to use it and did the composite mod. It worked…
... , I notice that the standard issue 4 schematics and layout documents that ...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…
... bought a working 48k + Spectrum (Issue 4). I wasnt sure if it ...QL Today The Final Issue with DVD, don?t miss it!Hi folks, just wanted to report that the next issue of the QL Today magazine is under preparation. It will have 48 pages and will come with a bonus …
... to report that the next issue of the QL Today magazine ... a bonus DVD filled with 4.7GB of Sinclair QL ... as a surprise: QPC2 Version 4 (a very powerful QL emulator ... don't want to miss issue 4 and the DVD, then you ... 't miss the very final issue! Who knows, it may ...ZX Computing issues 1, 3, 4, 5, 11As well as Sinclair User issues, I also have some issues of ZX Computing for sale or trade. Contact me by email for more details. Issue 1 summer 198…
... /> Issue 1 summer 1982
Issue 3 October/November 1982
Issue 4 December ... /January 1983
Issue 5 February/march ... 1983
Issue 11 February/march ...+2a/+2b confusioni bought a +2a recently with the tape window missing.its a Z70833 issue 1 says +2a on the case base and says +2a on the menu at the top,now,ive just…
... tape window missing.its a Z70833 issue 1 says +2a on the ... spares.it too is a Z70833 but issue 4 1990 date says +2b ...What board issue was the last in rubber key case?Just picked up another rubber key case and upon opening it i found an issue 4 board.I thought the board number was a bit high as though it should be …
Just picked up another rubber key case and upon opening it i found an issue 4 board.I thought the board number was a bit high as though it should be in a +?:confused:Dodgey R62 / D16 on Issue 2?Hello all, I am still beavering away trying to work out why my Issue 2 fails and after a much closer visual inspection I noticed what looks like som…
... to work out why my Issue 2 fails and after a ... ) or R62 15R (Issue 6) or R55 56R (Issue 4 and less) are ...Issue 3 ULA ProblemsI've been given an Issue 3 48k to fix. It was producing no video and no picture on the TV. The coil was buzzing so it was getting power and all the v…
I've been given an Issue 3 48k to fix. ... a spare ULA from an Issue 4(6C001E-7) which I understand ... don't respond either - 4 R F 7 U C ... working keyboard and the same issue with none functioning keys ... out of a known working Issue 4 and this time everything works ...ZX Speccy +2A - B&W & snowy RF output + other issuesHi All, I am new to this forum and I am back to the Spectrum world after 25 years. Recently I've bought a second hand +2A (+2B board - Z70833 Issu…
... second hand +2A (+2B board - Z70833 Issue 1) as a DYI project ... it works very well.
4. All electrolytic capacitors replaced within ... seems to be a mechanical issue.
4. A few function keys ...Challenging Common Knowlege: The +2A/B[I]I was going to write a big long essay about my research on this subject, but being an incredibly lazy person I never really got anywhere with that…
... , the +2B exists as the Z70833 motherboard. This board fixes the ... Z70833, of which there are at least 4 revisions. The final revision, ISSUE 4 ...zx spectrum 128+2a/b questionsIv just purchased a 128+2 and have only one game for it lol (Super stunt man). A few question if anyone can help.. 1)I'd like to run games through …
... of the +2B motherboard (Z70833), the first being (c)1988 ... +2B motherboard (Z70833) has an ISSUE 1 and ISSUE 2 (both ( ... then there's an ISSUE 4 board from 1990 which ... -one's found an ISSUE 3 board. It's ... br /> On the +2B ISSUE 4 board all the modifications from ...Spectrum 128k +2A Resets after loadingHey Everybody, I'm from Australia and I'm new here in the forums. I was hoping to pick everyones brains over a problem with a Speccy I acquired o…
... open and it is a Z70833 Issue 1 motherboard.
I ... the ram chips are the 4 down the bottom.
4 are"TMS 4464-15NL EHP ...Any one know what this mod isOk +2b with a mod anyone know what it is and why its there and if its worth removing cheers [img]http://i.imgur.com/p5IG6Ec.jpg[/img]
This is indeed a factory modification common on the Z70833 ISSUE 1 motherboard to solve the DRAM timing issue. The ISSUE 2 and ISSUE 4 boards have the circuit change incorporated into the PCB.Spectrum 128k 2a or not 2b....Just picked up a +2 black case version and I'm in as little bit of a quagmire, The case is definitely black, has '+2A' stamped on the bottom, but in…
... factory fitted modification to the Z70833 ISSUE 1 board, this was incorporated ... the PCB on the ISSUE 2 and ISSUE 4.
Other mods ...Spectrum 128k 2a or not 2b....Just picked up a +2 black case version and I'm in as little bit of a quagmire, The case is definitely black, has '+2A' stamped on the bottom, but in…
... factory fitted modification to the Z70833 ISSUE 1 board, this was incorporated ... the PCB on the ISSUE 2 and ISSUE 4.
Other mods ...
