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Dead Spectrum+Hi! Any suggestions where to start finding what's broken: Spectrum+ with issue 6A motherboard and nothing on TV. Top row of the upper memory chips g…
... on their sockets, perform the composite video mod if possible, and power ... -
Composite ProblemHi everyone :smile: I have done the composite modification on a few of my rubber key Spectrum's, and I've had no problems with these on my old porta…
The Spectrum's composite video is not quite PAL standard. ... one that is). Alternatively, a composite to VGA converter might do ... -
RF signal now analogue has goneAnyone tried tuning in their speccies now the analogue signal has gone? Has it improved?
... are even worse. Audio and video wasn't tuned in same ... , so you might get good video quality or good audio quality ... a +3) only works through composite video or RGB output.
video sources are not that important. -
Does the usual composite mod damage Speccies?Hi people, Just browsing eBay -as you do - and I noticed this auction: [url]http://cgi.ebay.co.uk/ZX-SPECTRUM-48K-GOOD-COND-COMPOSITE-OUTPUT-SINCLAI…
After a composite mod, I see nothing but ... .com/2008/11/zx-spectrum-composite-video-mod.html[/url]
composite video signal.
Is it possible ... -
Does the usual composite mod damage Speccies?Hi people, Just browsing eBay -as you do - and I noticed this auction: [url]http://cgi.ebay.co.uk/ZX-SPECTRUM-48K-GOOD-COND-COMPOSITE-OUTPUT-SINCLAI…
... of standard 1v/ 75 ohm composite video signal.[/QUOTE]
Is it ... -
Guide price for a 48k rubberkeys from you lot?My trusty Spectrum (an Issue 3, working since late 1983 or early 1984) has finally upped and carked on me :-( Now I could hit ebay or the local boot…
... has time to do the composite video mod or replace the membrane ... -
LCD screensAre there any instructions anywhere on how, if it can be done, to connect a speccy to a bog standard LCD screen?. Google isn't being my friend. Wha…
... ]http://www.dealextreme.com/p/composite-s-video-to-vga-converter-box ... -Box will convert a composite video or S-video signal into VGA. The ... Spectrum can generate a S-Video signal.
[QUOTE=ADJB ... -
Need a new speaker for my rubber key speccyBought a rubber key speccy over a year ago. Was in very good condition but noticed no noise when pressing keys. I took the little speaker out and hav…
... , if you have done the Composite Video Mod you could make a ... -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... /> What do you mean with "composite"?
I am just looking ... br />
then do the composite mod:
[url]http://womblesretrorepairshack ... .com/2008/11/zx-spectrum-composite-video-mod.html[/url]
< ... has chinch input for composite besides SCART -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... =orange;572866]then do the composite mod:
[url]http://womblesretrorepairshack ... .com/2008/11/zx-spectrum-composite-video-mod.html[/url]
composite besides SCART[/QUOTE]
black +2 go awayHi, All what is my problem if i have the proper voltages inside my black Spectrum +2 black (+5v+12v) in all the important IC's , and not have any vi…
... small mod to get and composite video in this 2b (not have ...Little experiment in ULA+Just tried Image 2 ULAPlus and this is the result: View it: [url]http://jbacteria.antoniovillena.es/48s?scarlett.tap[/url] Download it (you must ex…
... cheating and cutting components.... The composite video picture quality is much better ...Little experiment in ULA+Just tried Image 2 ULAPlus and this is the result: View it: [url]http://jbacteria.antoniovillena.es/48s?scarlett.tap[/url] Download it (you must ex…
... cheating and cutting components.... The composite video picture quality is much better ...Dead Spectrum SocietySo I'm getting back into real Sinclair computers rather than emulators. During the summer months I was lucky enough to buy a working ZX81 and was giv…
... electrolytics, and convert it to composite video while I'm at it ...Dead Spectrum SocietySo I'm getting back into real Sinclair computers rather than emulators. During the summer months I was lucky enough to buy a working ZX81 and was giv…
... electrolytics, and convert it to composite video while I'm at it ...I got my SpectrumAfter 10 years since my old Speccy died, I got another one. It came to me (in Rome) from UK. The Spectrum seems to works well (or at least I hope so…
... is), you may consider the Composite Video Hack, it allows a Spectrum ... connected to the Phono/RCA Video IN plug on a ... the volume!
The Composite Video hack basically bypasses the RF ... Modulator, as the VIDEO is composite from the spectrum before ...Second Hand SpectrumHi just joined the Forum. I have picked up a Spectrum at a s/h shop and would like some advice please. I have had two ZX81's packed away for severa…
... my rubber 48k for a composite video mod?
Paying you, of ...Unboxing my old SpeccysToday I dug out my old collection of computers from the bygone age. My ZX81 fired up fine, but it looks like the keyboard membrane is goosed, as on…
... 've absolutely to make a composite video mod on my 48k and ...ZX81 Dark screen, could it be the ULA?Trying to get a ZX81 going for a mate of mine, already replaced the membrane (Cheers Rich!) but now its the old "very dark screen" problem, probably …
... ULA and fixable with the composite video modification, which I have ordered ... damaged at all. So any composite mod will do exactly whatever ...ZX81 Dark screen, could it be the ULA?Trying to get a ZX81 going for a mate of mine, already replaced the membrane (Cheers Rich!) but now its the old "very dark screen" problem, probably …
A composite video fix does not resolve the ... , to provide a very stable composite video out, plus adding a back ...What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... sync pulse.
UPPER TRACE: composite video signal
LOWER TRACE: Z80 ... of the INT signal, the video signal changes its luminance, accordingly ... : we can see that the video luminance is at the blank ...Hires Opus Discovery picturesAs I had the rare and awesome opportunity to be able to buy 5 or 6 Opus Discovery interfaces this year, and because I couldn't find hires pics of the…
Did you ever work out how to connect composite video out the back? I tried straight through from the edge connector after cutting traces and couldn't manage it somehowUK computers in the USIs there any problem running UK computers in the US? I plan on using a step down transformer but will the 50hz to 60hz change cause a problem? I pla…
... TV.... and you should use composite video as you'll have difficulty ...faultyi have a zx48 that will not tune in it allways seems to be just out of tune what could cause this fault also half of the keyboard doesnot work there …
... bypass the modulator and use composite video anyway :)
[QUOTE=ozzyzx ...faultyi have a zx48 that will not tune in it allways seems to be just out of tune what could cause this fault also half of the keyboard doesnot work there …
[QUOTE=ozzyzx;587564]how do i go about fixing the video output in it then is it a complecated thing[/QUOTE]
Have a look here:
[url]http://womblesretrorepairshack.blogspot.com/2008/11/zx-spectrum-composite-video-mod.html[/url]What spectrum?I am going to have a gent send me some Spectrum hardware in the future. Me being a american and knowing nothing of the sort, what would be the best o…
... Grey +2 provide the unmodulated composite video signal on their RGB out ... easily modified to provide the composite at the usual RF out ...faultyi have a zx48 that will not tune in it allways seems to be just out of tune what could cause this fault also half of the keyboard doesnot work there …
What spectrum?I am going to have a gent send me some Spectrum hardware in the future. Me being a american and knowing nothing of the sort, what would be the best o…
... you can always do some video mod to any Spectrum model ... and V syncs from the composite sync signal, and negating ... , the best) with a composite video modded Spectrum. Dealextreme sells a ... simple internal mod[/url], composite video+audio can be outputted through ...(mini)monitor for speccy?hey guys, need a tip or hint for a mini monitor - which to use with Speccy? brand/type/parametres? preferably cheap solutions and where to get them. …
There's loads on Ebay if you search for mini lcd monitor, most seem to be automotive related though but I would of thought ( ? ) they would be composite video input. :) Just a random thought.Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…
... like he also did the composite video mod. A good deal, but ...
