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Dead issue 3b with black and white barsHi all, I've been donated an issue 3b which has some nice black and white bars with a few flashing blocks. I've done a few RAM tests and could spo…
... has some nice black and white bars with a few flashing blocks ... -
Horizontal black and white bars on ZX Spectrum 128k ToastrackSo I found a working 128k toastrack on a local auction site. After playing around with it for a few days I noticed the sound of the AY chip was reall…
... the machine it showed black/white bars. I tried power cycling a ... -
ZX Spectrum 128k Toastrack with horizontal black and white barsSo I found a working 128k toastrack on a local auction site. After playing around with it for a few days I noticed the sound of the AY chip was reall…
... the machine it showed black/white bars. I tried power cycling a ... -
48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... ]
The black and white bars, with or without gfx splotches ... no problem, compared to the 128 pins required to removed the ... -
Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... /> only 2 vertical black and white bars[/QUOTE]
[QUOTE=csmith;688219 ... will set the boarder to white almost immediately after power up ... RAM. I would imagine the 128 machines were the same? Anyone ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... get 4 vertical black and white bars over the screen. I suspect ... why these characteristic black and white bars appear on the screen (I ... expect a completely black or white screen.
Thanks -
Soldering Iron Fun - 48k Composite Video ModYay, I bought a temperature controlled soldering iron and associated gubbins yesterday and have had a practise go at Womble's documented [URL="http:/…
... no copyright message, but black / white bars. So, the mod was easy ... -
Sinclair ZX 48K rubber keyed faultyI bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. …
I bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. PSU is already ok.
Any idea what's wrong?
Micky -
Upgrading 16k MemoryHi All I have a fully working issue 2 16k spectrum and a broken issue3 48k spectrum (It's showing the black and white bars and some flashing blocks)…
... 's showing the black and white bars and some flashing blocks). I ... -
ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... animated alternate vertical black and white bars to an animated chequerboard, it ... -
Help with Spectrum 128k reparationHi! I have the following symptoms with a 128k unit version 6U - On power on, black and white bars (one char width each), white background - Once po…
... on, black and white bars (one char width each), white background
- Once ... -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... gives me additional black and white bars. The internal speaker is buzzing ... -
New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…
... it displays 4 black and white bars with a colourful boarder as ... -
Issue 1 oddityHello to everybody, I have a very first under my hands - a broken Issue 1. Apart from the classic "broken lower RAM" syndrome which will be easily t…
... 's RAM tester shows its white bars as a slightly lighter shade ... -
ZX Spectrum issue 4B acquiredI recently acquired a ZX Spectrum with serial number 138-363292 on the case, and a 1983 issue 4B board I got it for the purpose of repair. and have…
... i was told it displayed white bars on the screen. i will ... -
No CLK on issue 2 ULA pin 32I'm trying to fix an issue 2. The symptoms are as follows:- Black and white bars on screen, colours near impossible to tune in, although these po…
... as follows:-
Black and white bars on screen, colours near impossible ... -
How can I fix a problematic Retroleum Smart Card. I did not do anything "WRONG " with it but I did but it on a flexible cable and this seems to have "upset" it .Since then It does not perform the …
... and just displays back and white bars with assorted coloured blocks etc ... -
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…
... now show thick black & white bars). 4116 voltages are were present ... the blue and yellow loading bars when trying to initialise, other ... -
maketzx problemsDoes anyone else have problems running maketzx v2.33 (with or without the GUI) on Windows 2000 Sp4? I've just changed my OS from Win Me where i've m…
... the Windows one with nasty white bars that always seem to distort ... -
Spectrum 128kHi everyone, As a long time Speccy fan weaned on the original +2 machine (hence the username!), I'm thinking about finally buying a genuine Sinclair…
... +. I think the Spanish 128 had white instead of red logos, but ... is definitely not a spanish 128. I can predict that the ... blind that it is a 128, though! -
How MUCH !!!???Is it me, or does this seem a little expensive? (ebay) [B][url]http://tinyurl.com/2ndhtj[/url] [/B]
My 48k is dead, all I get are vertical black and white bars, :( So, I'm looking for another. Not sure if I want a 128k or not, I was gonna try my hand at Z80 again. It's not the same on an emulator, although its a damn sight quicker... -
Timex 2048 can't see divIDEToday my divIDE with CF adapter arrived. I connected it to my Timex 2048, switched the computer on and nothing happened. I mean "(C) 1982 Sinclair Re…
... - Timex displays black screen with white bars and freezes (90% power ons ... -
Who can repair a 48K Spectrum?My Spectrum is broken, please see: [url]http://www.worldofspectrum.org/forums/showthread.php?t=29351&highlight=7805+heat+sink&page=2[/url] Does anyb…
... got a fuzzy black and white garbled screen, so I switched ... was 4 vertical black and white bars filling the screen, sometimes with ... -
Faulty +2 advice please :)Hi all , I have a faulty +2 which when powered up gives a black border and 6 black and White stripes , I'm thinking faulty ram ??? Any one have any b…
on top of change the rom chip , I have now changed the z80 , all the 16 ram chips , the hal and one more that I cant just remember the code on :) , and still all I get is a black bordered screen with 6 horizontal black and white bars
DOH -
ZX Spectrum 128k Heatsink RGB behaviourHello, this is George from Greece. I have an 128k+ (Heatsink) and i use the rgb cable i bought from ebay on a 1084st monitor. As the monitor does …
... that this slight black and white bars, is probably a signal issue ... -
Faulty +2, What could it be?Hi, ZX Spectrum +2, grey model with a barrel connector for power. When powered up the screen has lots of flashing coloured blocks each with some ru…
Sounds like the problem I'm having with my CPU socket - do you have alternate black & white bars behind the flashing attributes? -
48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... one, that is: black & white bars with flashing attributes and a ... -
Spectrum 128K +2 (grey) faulty screenHi. Just got untested +2. Now I only get picture like this (Black screen, with two vertical very thin white lines): [url]http://aijaa.com/Nk93Ub[…
From my experience black and white bars mean a problem with the ... -
Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... border and 2 vertical fat white bars, with the reset the border ... -
Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... border and 2 vertical fat white bars, with the reset the border ... /> only 2 vertical black and white bars