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What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
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- RGB monitor/composite video output and RF module
- 16K video memory buffer for use with ... DOS support
- ULA+ replacement supporting up to 256 colour ... -
ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... that I use the 4116 replacement kit I don't have ... I use, there are only video glitches. Maybe it's something ... -
ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... . I've ordered an ULA replacement (the Nebula from retroleum) and ... also a loram replacement in order to check it ... mod to use on composite video capable monitors).
Today ... -
Best way to mod a Spectrum 48K for Composite VideoIt seems that their are generally two ways to mod a 48K for composite video - just wiring the composite into the RF modulator over to the RCA jack vs…
... non-destructive: use the composite video available at the edge-connector ... , disconnect the +5V and video input wires, solder in a ... new wire carrying the composite video from the Spectrums PCB ... include a 100uF 16V electrolytic capacitor wired in series with the ... -
Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
... /pcf-1306p-%2Camstrad-40058-%2Czx8401-replacement-board-4241"]this module[/url ... fitted is similar to the video you linked to, that indicates ... that the video section of the ULA is ... -
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 …
... about the small size of replacement capacitors is that the identification ... write on each bag the capacitor type inside it . I had ... -
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 …
... per the above You Tube video .I was glad I not ... was probably harder than a capacitor to remove all in one ... shown in the "You tube" video above , but ,when I do ... -
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…
... board and not a full replacement like Harlequin: the circuit board ... .
3) The composite video encoder IC's:
3a ... models). No modern / drop-in replacement exists that I know of ... -
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 …
... possible to do a composite video mod without a modulator already ... connect a 100uF capacitor (positive) to the video signal output next to ... -
ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... make it usable as a replacement for sprite hardware. This includes ... considered an evolution of Timex video modes :)
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ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... LESS variables for a given video mode (btw a ton of ... different video modes is a bad thing ... 't change a meaning of "replacement" into "extension"ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... variables for a given video mode (btw a ton ... of different video modes is a bad ... 't change a meaning of "replacement" into "extension"
[/ ... Timex added a few new video modes :- NOT ALLOWED. 48k ... users can't see those video modes.
Timex ...Youtube ClichesSo YouTube has been around for what seems like a v-long time and has become an integral part of the internet and social media. It has now gotten to t…
... But for whatever reason, this capacitor eventually goes bad, and can ... you have to remove the capacitor before it happens (fortunately ... Yeah, forget about the left capacitor, that's, that's ... create a demonstration or guide video, then you'd actually practise ...Youtube ClichesSo YouTube has been around for what seems like a v-long time and has become an integral part of the internet and social media. It has now gotten to t…
... titles/introduction, the ones that video stutter and cut jump, the ... a camera, soldering iron, the capacitor and the Spectrum at the ... gadget with the other. **** poor video editing that cuts off in ...ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... had no proper clock or video signals using 74HC175 as 2 ... he has some issues with video sync
- Zipp firstly ... video sync issues and he had to try different resistor and capacitor ... . And his screenshots shows good video quality.
- I build ...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 …
... /> There is also an axial capacitor at the back that I ... , I can prepare for replacement of this capacitor on Opus No 4 ...Recent hardware acquisitionsWell, not actually that recent but I've not had time to look at them until a few days ago... Two Speccy +'s. Both are semi alive. Both have semi d…
... curious erm "t-piece' of capacitor and two resistors for some ... analogue TV: It uses positive video modulation (the U.K. uses ... negative video modulation) and encodes colour with ...ZX Spectrum 48K it only shows colored barsHello, I'm new to the forum and I need help with a ZX Spectrum 48K which I bought recently unfortunately defective. I want to mention that before t…
The physical shape of the capacitor does not affect the electrical ... -in-stock&st=Axial+capacitor"]This is the list[/url ... /> In terms of voltage, any capacitor rated at 25V, 50V or ... forgot to mention, regarding the replacement TRs .. in TR4 (ZTX650), can ...What mods do you recommend for a +2aHello all, I have recently got a +2a, that is running nicely. I'm thinking of modding it. I have read that the +3e rom is a good option. what else…
... .
1. The TV video output - in simple words, take ... is very simple just one capacitor (82pF) and one inductor (15uH ...Spectrum 128k +2 Grey and DivMMC reader problemHi guys, I am trying to figure out why the DivMMC reader do not work on a Spectrum 128k +2 grey I grabbed recently over the net. What is for sure…
... . The reason was the electrolytic capacitor at the 12V line on ... or periphery (only for the video chip) spikes at this line ... of the circuitry). Substituting this capacitor by a new one solved ...I can't get my +2B to work over RGB to SCART.Hi so I have a black +2B and no matter what I do I get a black screen using the RGB-SCART scart cable (specific for the model ) and I'm using a SCART…
... electrical connectors (including audio and video connectors). The current that will ... , if you connect a audio/video cable to another device, this ... . It is due to a capacitor (to reduce RF interference) that ...50 Hz / 60 Hz switch in Timex Computer 2068I'm not sure if this is common knowledge, I've certainly never read about it online, though it may be documented in Portuguese or Polish. There is a…
... of XTALs replacement also to match required frequency and video mode. Extracts ...New video about S-video on Spectrum 128 / +2I just made a video about an S-video modification on a Spectrum +2. Most of the technical details are in the video; if you have any questions about i…
... the TEA2000 using the coupling capacitor C31. The TEA2000 receives a ... /> In the modified +2 S-video circuit, the RF modulator is ...Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... and one with a modern replacement module in err, place of ... )...[/quote]
Is that "modern replacement" one of those Tynemouth Software ... ; thing is, with the composite video output that it has, I ...Reviving a Microdrive (and its notoriously fragile media)eBay has been getting a [i]lot[/i] of business out of me lately, which brings me to this... Context: some years ago I bought a job lot of Spectrum…
... track. In Techmoan's HiPac video, comparing with the Playtape, the ... of the shots, and the replacement was a fair bit thicker ...48k packed up after cap changeHi all, I'm relatively new to the Sinclair world, my 8-bit repairs in past was lurking in the dark sides of Acorn, Amstrad and Commodore! I've got…
... screen RAM and creates the video signal). The Z80 CPU is ... you have got each electrolytic capacitor in the correct way round ... screen print error for one capacitor (can't remember which one ...Modern Spectrum Games Advent CalendarSo... it is done. The main reason for my return from the shadows earlier this year was because I knew the greatest Christmas present I ever had was c…
... the last minute as a replacement.
For the record ... ] - I know there's a video on YouTube which I've ... bunch at the time the video was made.
[b]Maritrini ...Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... lines and treating it as video information.[/quote]
Hmm. I ... all gung-ho replacing every capacitor I see.Got Myself a 128K “Toast Rack”! (Plus a simple audio fix guide.)I got myself a 128K Spectrum off of eBay the other day. It’s in pretty good nick, but the membrane went the way of the dodo sometime during shipping …
Received a replacement keyboard membrane. The TRUE VIDEO and DELETE keys were not ... and promised to send a replacement.
Still, quality control ...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 …
... were secondary issues and the replacement ULA now makes it work ... is providing a clock and video output however it seems the ... properly.
Unfortunately the replacement I used isn't a ...
