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<1234567…34>
  • ZX81 and Analogue TVsI recently bought a really nice ZX81 on ebay in amazing condition, but I'm having issues tuning in an old analogue TV to lock onto the signal. I und…

    ... bought a really nice ZX81 on ebay in amazing condition ... without modding the ZX81, but the TV I'm using ... is a colour analogue TV from around 2005.
    ... I'm confident the ZX81 is working fine, but ... older analogue TV?

    Modding the ZX81 is not ...
    sj_howlett sj_howlett September 2014 Hardware
  • At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…

    Today at the car boot sale I picked up a ZX81, PSU, and TV lead for ?2.
    Scottie_uk Scottie_uk September 2008 Chit chat
  • At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…

    ... I picked up a ZX81, PSU, and TV lead for ?2.[/QUOTE ...
    dm_boozefreek dm_boozefreek September 2008 Chit chat
  • ZX81 and Analogue TVsI recently bought a really nice ZX81 on ebay in amazing condition, but I'm having issues tuning in an old analogue TV to lock onto the signal. I und…

    About ZX81's and TV's

    There ... The ZX81 was designed to work with analogue CRT TV's ... black and white) CRT TV.
    ZX81's that have one ... LCD TV that works with all my working ZX81's ... more that one TV, try your ZX81 with another TV.

    ...
    1024MAK 1024MAK September 2014 Hardware
  • zx81 helpHello all Sorry if I have posted in wrong section. I have a question about my zx81 I am getting no screen and the metal heatsink (plate that sti…

    ... ://www.sinclairzxworld.com/"]thé ZX80/ZX81 forum[/url]. Not so much ... gets quite hot even when ZX81 works normal. Size of it ... the chance, try that ZX81 on different TV's - preferably CRT type ...
    RetroTechie RetroTechie February 2016 Hardware
  • ZX81 on TV AM 1983 - With Roland RatTitle says it all. In 1983 TV AM were doing a competition to win a ZX81. Why they didn't feature a ZX Spectrum I dont know.? [youtube]yC8mYKuTIyw[/y…

    Title says it all. In 1983 TV AM were doing a competition to win a ZX81. Why they didn't feature a ZX Spectrum I dont know.?

    [youtube]yC8mYKuTIyw[/youtube]
    Scottie_uk Scottie_uk April 2010 Sinclair Miscellaneous
  • ZX81 Unwell... TV or The ZX81??Hi all I finally got a RF cable today so i could test my ZX81 at last... sadly it's not great news although I'm hopeful that it's the TV...? All I'…

    ... so i could test my ZX81 at last... sadly it's ... hopeful that it's the TV...?

    All I'm ... .jpg[/IMG]

    The TV really did not want to ... it. Hopefully this is the TV not reading the signal right ...
    dreamscape dreamscape August 2014 Hardware
  • more ZX81 info needed!hello people :) further to my earlier post about making perfect copies of ZX81 tapes for archiving can anyone tell me what the appearance of the scr…

    ... about making perfect copies of ZX81 tapes for archiving can ... when one is loading a zx81 tape??

    i ... although i have 2 zx81's i don't ... suitable tv and therefore i've never seen a zx81 in ...
    also, are most (all?) zx81 progs just a single block ...
    pigdog pigdog January 2003 Sinclair Miscellaneous
  • The Your Sinclair Rock'n'Roll Years TV ShowComing soon... by the end of 2003... Way back in 1997, I put together the Your Sinclair Rock'n'Roll Years. The idea was a simple one, inspired by th…

    ... 's Rock'n'Roll Years TV series. The BBC version had ... Sinclair Rock'n'Roll Years TV show!

    What's ... /> * AVI (movie) captures from ZX80, ZX81 and SAM Coupe (if possible ...
    NickH NickH February 2003 Announcements
  • ZX81 Help needed PleaseHi All. I have two ZX81's with the same problem. When connected to the tv I get two vertical thick distorted black lines. Have any of you people an…

    Hi All.

    I have two ZX81's with the same problem.

    When connected to the tv I get two vertical thick distorted black lines.
    Have any of you people any idea what it could be?

    Thanks in advance
    Pc_tek Pc_tek March 2005 Sinclair Miscellaneous
  • BigBadMick's Saturday Night TV extravaganzaHey Spec-chums! Well, I've spent a great night watching reality TV and light entertainment on Virgin cable and I just thought I'd share a few of the…

    ... great night watching reality TV and light entertainment on ... find great about cable tv is the amazing variety ... to pick what reality tv and light entertainment to ... bean tins and a mint ZX81 you paid ?205.37 ... this mini-Saturday night TV viewing guide has been ...
    BigBadMick BigBadMick March 2008 Chit chat
  • Question about ZX81 componentAfter I cleaned and replaced some components (7805, two electrolytic caps) with fresh ones, and replaced the RF board with a composite one, on an iss…

    ... one, on an issue one ZX81 machine I have, I noticed ... 3pin ceramic filter in the zx81 component list but I also ... somewhere that it is a TV VCR electronic component so I ... /> Also, is an issue one ZX81 supposed to be rare like ...
    gtsamour gtsamour December 2010 Hardware
  • zx81 rf outputHi All I'm not sure if this is an appropriate forum for the zx81, however I'll ask anyway;) I've connected my zx81 up to a mid 90's color tv. I can…

    ... an appropriate forum for the zx81, however I'll ask anyway ... connected my zx81 up to a mid 90's color tv. I ...
    wozname wozname January 2011 Hardware
  • ZX81 + 16K RAM PackUp for sale is a ZX81 packaged with power adapter, aerial cable, ear/mic cable and 16K RAM Pack. I hooked it up to the tv and although the power sup…

    ... hooked it up to the tv and although the power supply ... com/albums/uu19/drevans112/EBay/ZX81%20-%20RAM%20Pack/1- ... com/albums/uu19/drevans112/EBay/ZX81%20-%20RAM%20Pack/2- ... com/albums/uu19/drevans112/EBay/ZX81%20-%20RAM%20Pack/3-StyrofoamPackagingManual ...
    drevans drevans May 2013 Sales
  • ZX81/Emulation QuestionsI'm not sure if it's okay to ask questions here but the ZX81 is definitely Sinclair Miscellaneous! Anyway, I've use VB81 xur for ages now but I've n…

    ... ask questions here but the ZX81 is definitely Sinclair Miscellaneous!
    TV effects in that emulator.
    ZX81 forum out there but I ...
    The Equalizer The Equalizer May 2013 Sinclair Miscellaneous
  • Referbished and modded ZX81When I had this ZX81 it wasn?t working very well. It would refuse to tune into my old CRT TV so I decided to get it up and running on modern TV's. I…

    When I had this ZX81 it wasn?t working very ... tune into my old CRT TV so I decided to get ... up and running on modern TV's.

    I first ... a male phono into the TV and the other end into ... a little addition to the ZX81 where it fits on to ...
    morcar morcar March 2014 Sales
  • New ZX Spectrum/ZX80/ZX81 emulator - ZEsarUXHi I invite you to try my new ZX Spectrum/ZX80/ZX81 emulator: [url]http://sourceforge.net/projects/zesarux/[/url] It's not really new, I began it …

    ... my new ZX Spectrum/ZX80/ZX81 emulator:

    [url]http ... (Portuguese and Spanish), TK95, ZX80, ZX81
    Runs on any Unix ... Spectrum, ZX80, ZX81
    Supports Quicksilva, ZON-X81, and VSYNC-based sound ...
    chernandezba chernandezba April 2014 Emulators
  • ZX81 + 16k RAM Pack + Original PSU... What's it worth?Hey guys Got my ZX81 this morning its in excellent condition.. [IMG]http://s30.postimg.org/iwetzxku9/IMG_20140818_142443.jpg[/IMG] However, my T…

    ... guys

    Got my ZX81 this morning its in excellent ... [/IMG]

    However, my TV can't take the type ... , how much is a working ZX81 with original PSU & 16k ...
    dreamscape dreamscape August 2014 Sinclair Miscellaneous
  • For Sale?? Offers? Spectrum ZX81, PSU & 16k RAMHi all I've got a ZX81, 16k RAM pack & original PSU here I purchased sadly it won't work with my TV and I don't want to hack it apart to make compos…

    ... />
    I've got a ZX81, 16k RAM pack & original ... won't work with my TV and I don't want ...
    dreamscape dreamscape August 2014 Sales
  • ZX81 ULA questionRecently, I got a nice bundle of kit comprising of a ZX81, Memotech keyboard, PSU and brand new 16K Sinclair Memory pack. The ZX81 has a ULA with no…

    ... of kit comprising of a ZX81, Memotech keyboard, PSU and brand ... Memory pack.

    The ZX81 has a ULA with no ... computer works insofar that the TV locks onto a black screen ...
    rune rune August 2014 Hardware
  • Spectrum+2 Tape Deck Buzz<p>I've been messing&nbsp;with a Iss3 0500&nbsp;Spectrum +2. So far I've&nbsp;replaced the electrolytic&nbsp;capacitors, flipped the transistors, add…

    ... least reduce the buzz coming from the TV when the ... 'm connecting to the TV using the RGB socket ... was still good, no buzz. Connect the datacorder and ... the buzz is back.  The buzz is present ... that the noise/interference/buzz is being caused by ...
    retrogamemart retrogamemart June 2015 Hardware
  • ZX81 Composite Mod<p>I've done a simple composite mod to my Issue 3&nbsp;ZX81 following a basic schematic I found on one of the ZX81 forums. Mod consists of a BC547, 1…

    ... mod to my Issue 3 ZX81 following a basic schematic I ... found on one of the ZX81 forums. Mod consists of ... connected to a Samsung LCD TV and the pictures garbage! ... then fades away after the ZX81 has warmed up. I' ... for composite output to LCD TV's? Can anyone point ...
    retrogamemart retrogamemart June 2015 Hardware
  • Lambda 8300 Color module (ZX81)I was gifted such a device yesterday and have a few questions ... First of all it appears the interface does work in general when used with a 16K …

    ... to my liking. On my ZX81 (Rev. 3, simple transistor based ... the general ZX81 video when connected directly to a TV). I've ...
    Shockwav3 Shockwav3 February 2017 Hardware
  • 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…

    ... . I have picked up a ZX81 untested for a few quids ... it correctly on a Crt TV. I cannot get better than ...
    repetto74 repetto74 December 2018 Updates
  • Miscellaneous ZX81 stuffI was not sure where to put this . As it is not Speccy related I had a dilemma . Should it go in Chit Chat . But then I had a better idea : if I call…

    ... called the thread "Miscellaneous Zx81 stuff " then on one ... this thread is about ZX81 Miscellany . I thought it ... --_-video-output-for-zx81-3712"]https://sellmyretro.com ... _ccb--_-video-output-for-zx81-3712[/url]

    TV or a composite or ...
    harriusherbartio harriusherbartio March 2020 Sinclair Miscellaneous
  • What is VSYNC-based sound on ZX80/81?An Z81 emulator demo with quite impressive sound has this explanation -- "manipulating the vertical sync to create sound with the TV buzz". This is …

    An Z81 emulator demo with quite impressive sound has this explanation -- "manipulating the vertical sync to create sound with the TV buzz". This is new to me. What does it mean and can it be done on Spectrum too?
    tstih tstih April 2022 Development
  • Scart Leads for spectrumHi, I was going through my stuff the other day and found I have all the bits for making spectrum scart leads. I was going to ebay them but thought …

    ... stripes that look like a ZX81 loading screen) so I've ... the sound through the Bush TV is awful, it's as ... is adding an annoyingly prominent buzz - hence why I've ... tried it in the LCD TV as well. The sound is ... really[/i] need a working TV with an analogue tuner" so ...
    The Mighty Dopethrone The Mighty Dopethrone February 2017 Sinclair Miscellaneous
  • ZXBaremulator v1.2Hi!, I've released ZXBaremulator v1.2. The new release add a few features and removes a limit. :) The new version can be downloaded from projec…

    [quote="zx81;923766"]By the way, I ... is 50.08 Hz. The TV frame rate is 50 or ... want to try synchronizing with VSYNC (thanks to Rene, again), but ...
    Pegaz Pegaz October 2017 Emulators
  • What is VSYNC-based sound on ZX80/81?An Z81 emulator demo with quite impressive sound has this explanation -- "manipulating the vertical sync to create sound with the TV buzz". This is …

    Got answer on Twitter. Apparently ZX80 and ZX81 had VSYNC available over ports and ZX Spectrum doesn't. So, unfortunately, no sound over TV for Speccy.
    tstih tstih April 2022 Development
  • ZX81 EmulatorIn 1997 the ZX81-emulator for the ZX Spectrum was released. Immediately after showing it to the public at the dutch HCC-days we heard 'rumours'of a …

    In 1997 the ZX81-emulator for the ZX Spectrum ... we heard 'rumours'of a ZX81-emulator built for the 128 ... we never found any older ZX81 emulator.

    Is any ... that the ment SLOWLOADER, a ZX81 load-routine.)
    Dr BEEP Dr BEEP August 2001 Emulators
<1234567…34>

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