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+3 edge conn issueHi all, Long time 48k user, but recently bought a +3 off Ebay for fun. I made the composite video mod and have her up & running but, Have tried my …
... . I made the composite video mod and have her up & ... ), and also tried my Spectranet (issue 2) in it (yes I ... inside says it's an Issue 1 +3.....but like I ... -
Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... resolve the fault with my issue two board. I'm hoping ... working Spectrum 48k with a 3B board I've checked the ... -
ZX81 Composite Mod<p>I've done a simple composite mod to my Issue 3 ZX81 following a basic schematic I found on one of the ZX81 forums. Mod consists of a BC547, 1…
... done a simple composite mod to my Issue 3 ZX81 following a ... one of the ZX81 forums. Mod consists of a BC547, 100R ... attached the output from the mod to the modulator pin. All ... missed something or is this mod not suitable for composite output ... -
ZX Spectrum issue 2 has only blue tintsRecently I've bought a 16k speccy and ran into some issues with it. Faulty keyboard, broken caps, no stable frequency, faulty lower RAM chip, it bein…
... , new keyboard membrane, recapped, composite mod (not really fixing it but ... have the blue tint issue and loading issue. From the research I ... could be because of another issue (or that I'm just ... luck)
The not loading issue might be because of a ... -
Best composite mod informationJust got my 16K (Issue 3) working. I'm in NTSC land so I need to run a composite signal through my PAL<->NTSC converter. I know there are a ton o…
Just got my 16K (Issue 3) working. I'm in ... there telling you how to mod the video, but I want ... -
video quality issue on 48k machine after composite modHello! I just bought an 48k spectrum and did the composite mod. Unfortunately it did not end up as good as i hoped for. The screen after reset looks …
... spectrum and did the composite mod. Unfortunately it did not end ... or the capacitor to the mod. the result is very much ... -
No colors on screen, issue 2.I have a 48k issue 2 with composite mod. When i first pluged it in after i bought it, the screen went yellow and after restart there were no colors a…
I have a 48k issue 2 with composite mod. When i first pluged ... -
Issue 2 48k Yellow DisplayHi guys. As the title says, I have an issue 2 that's displaying the typical yellow/green colour screen at switch on. The picture is clear and stab…
... title says, I have an issue 2 that's displaying the ... and correct.
Component video mod.
Recapped. Checked cap values ... -
Issue 2 48k Yellow DisplayHi guys. As the title says, I have an issue 2 that's displaying the typical yellow/green colour screen at switch on. The picture is clear and stab…
... title says, I have an issue 2 that's displaying the ... and correct.
Component video mod.
Recapped. Checked cap values ... -
+3 sound fix - done :)Hi all My +3 has a Z70830 issue 2 board. The sound output was terrible, it distorted something bad! After asking one of the lab guys to do s…
... /> My +3 has a Z70830 issue 2 board. The sound output ... here!) I've had the mod outlined here done:
3B circuit and also the further remove C31 mod. I ... -
Issue with TV signal + Inductor Coil (16K Issue 2 Speccy)Hello guys, I just got a 16K Issue 2 Speccy from eBay. It was sold as not working so I knew there would be some work needed before it's working ag…
... ZTX651 (and did the composite mod with capacitor) and it seemed ... . Then however I noticed an issue with TV signal which normally ... obviously wrong. TR4 and composite mod were the only two things ... two videos - one showing the issue with TV signal and another ... -
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…
... case 48k issue 3, and 3 plus models issues 3B, 4S and ... which I believe is an issue between the Z80 and ... 7805, 100µF composite mod and did all the resistance ... the board. However, only the issue 6A now works.
< ... a bit perplexed why the 3B and the 4S should ... -
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…
... read. I have an Issue 4S I recently acquired and ... a friend.
The issue:
Composite video out on ... br /> Installed buffered (Transistor) composite mod (again from retroleum)
Undid ... a peculiar and messy resistor mod to the coil
... -
Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... on a rubber keyed Speccy(issue 3) that I can't ... , and do a basic composite mod with capacitor.
After ... -
Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to replace TR4 and …
... on ebay... a Speccy 48k issue 2 with a 5C112E-2 ... composite video ouptut whith transistor mod
[img]https://i.postimg ... -
ZX81 composite modHi guys. I have picked up a ZX81 untested for a few quids. I do have a problem tuning it correctly on a Crt TV. I cannot get better than a wavy black…
... bad. I would like to mod the machine to composite video ... repair. The board is an issue 1 with Ula marked 2C184E ... -
Help request for an injured Issue 4A spectrumHi folks, I'm hoping to resurrect an issue 4A spectrum that has been in my hoard for a couple of decades since buying it for spares. Someone ha…
... 'm hoping to resurrect an issue 4A spectrum that has been ... to instigate the DC-DC mod on it at some point ... the electrolytic caps, removed the mod and redone it 'correctly' (as ... -
48k issue 4B display problem etchi,, i have a zx spectrum 48k issue 4B with a display issue it has wavy lines in both the border and paper,some colours seem worse than others ie red…
... zx spectrum 48k issue 4B with a display issue it has wavy ... had a capacitor composite mod with the same issue.. i have tried ... -
doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…
... ?
I have this issue 2 board that is not ... issue 2 machine.
The broken machine has a transistor mod ... machine has a diode/resistor mod on the Z80.
Flicker fixer for ZX 48KHas anyone the schematics for the flicker fixer: [URL]http://8bit.yarek.pl/computer/zx.48/[/URL] Micky
... /> Pictures belong to a 4B issue board, but this will do ... 3B. Not sure if the traces are the same place in issue ... work OK with a 4A issue board and a SGS brand ... of the CPU (in a issue 2 PCB you may find ... : pictures of actual mod tested on a issue 4A board.
< ...Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
... on my desk a nice issue 2 Spectrum +3. I ... board says it's an issue 2. Does this need ... read that the "3b" is fine, is this the issue 2 +3 ... ?[/QUOTE]
Both Issue 1 an Issue 2 motherboards have the ... ?[/QUOTE]
Composite mod if you're not using ...+3 Audio hates me with a passionHihi Since nobody seemed to have a spare +3B board, I've been trying to replace the audio entirely, aiming for a speaker inside the machine Since p…
... in my search for the +3B.
I resorted to ... ... it claims that the +3B is a Z70835 Issue 1.
The stereo mod to the RGB DIN-connector ...Non-Ferranti ULA 6C001E-7?Hello! I don't like Iss2 boards that much but after revising one Speccy like that for a friend, the results were so positive that I decided to have …
... ULA5C102E - The Issue One ULA requires the "dead cockroach" mod. This was ... appear in early Issue 2 machines along with the mod.
The ... "workhorses" for many people, unlike Issue 2 machines which were more ... were in use for all Issue 3, 3B and I believe 4 ...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…
... out-of-spec voltage level issue for the blanking.
3B) the "easy mode" modification is ... socket.
A more involved mod is to cut the trace ...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…
... 7805, 100µF composite mod and did all the resistance ... the board. However, only the issue 6A now works.
... bit perplexed why the 3B and the 4S should ... a schematic for the relevant issue board, then check that ... (polarity) as on some issue boards, there is a ...Crash Issue WantedI'm after a copy of my favourite Crash issue which is Issue 59 - December 1988. I don't need the tape, because I don't have a real Speccy, but would…
... of my favourite Crash issue which is Issue 59 - December 1988.
issue. It was the first one ...Sinclair Gebruiker magazine, Issue 1I picked up this Dutch magazine today (with some other misc Speccy gear...) and it appears to be the first issue, November 1984; printed by "Micro Pr…
... appears to be the first issue, November 1984; printed by "Micro ...ANN: ZXF Issue 2 publishedIssue two of ZXF (free spectrum magazine - PDF format) has now been uploaded and awaits your inspection. The new URL for the site is [url="http://ww…
Issue two of ZXF (free spectrum ... page.
Contents this issue include:
* Eight pages ... attention, work on the Christmas issue will be begining
very ...ZX DIGEST - ISSUE 1 - FINISHED!DEAR SPECCY FRIENDS! Its very simple, to purchase the magazine you need to take a subscription out for 10 euros. For this you will get the following…
... ZX Digest
* Each issue should be about 20 pages ...has anyone converted an early speccy to drive a monitor ?sorry if this is the wrong forum, but there doesn't seem to be a hardware one, per se. I've been looking through the schematics a bit today - it see…
... vague references to a factory mod to issue 2 pcbs which actually ...
