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eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
I just bought a new RGB cable from RetroComputerShack and it ... the composite video as the RGB switching pin, and uses the ... from the TEA2000 as the sync signal. That should - I reckon ... a 2V line for the RGB switching, but for most people ... -
+2 Grey video issueSo far ive replaced TR4, TR5 (and correctly orientated them) and seperated the audio from the video, still I have this; [youtube]mZZWOXRs_Zk[/youtube…
... be manually switched to AV RGB mode) and the connection method ... video (used as the composite sync. or for function switching depending ... either.
But the RGB video is still available, as ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... RGB and not composite. Without this signal, it uses the composite sync ... composite video in as the sync).
Interestingly, I ... mind whether it was in RGB or composite mode (not ... sync signal, the TV would think the display was changing from RGB ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... Atari ST to RGB cable where a sync signal is used for ... -
Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... ?
Maybe share the sync signals from the normal composite ... sync signal but connect the ear signal to the rgb inputs ... -
C64 for the PiSomeone is writing the C64 natively for the Rasberry Pi and it looks amazing. I hope this will make someone do a ZX Spectrum too. Take a look its a…
... kHz refers to the horizontal sync frequency.
It's ... system M have a horizontal sync frequency of 15.75 KHz ... specifically to refer to analogue RGB at any of those frequencies ... -
C64 for the PiSomeone is writing the C64 natively for the Rasberry Pi and it looks amazing. I hope this will make someone do a ZX Spectrum too. Take a look its a…
... kHz refers to the horizontal sync frequency.
It's ... system M have a horizontal sync frequency of 15.75 KHz ... specifically to refer to analogue RGB at any of those frequencies ... 't see (sorry!). Is 'horizontal sync frequency' the frequency you had ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... , bad colours, no vertical sync on RGB and 16K memory are gone ... -
+2 Grey Composite question.Hello all, Long time reader first time poster and all that...... Probably a daft question which has been asked hundreds of times, even though I ca…
... was really strict about vertical sync pulses it shouldn't display ... the speccy's big fat sync pulse at all then I ... reason why it would only sync on alternate fields but who ... by the TEA2000 from RGB, bright, and sync wheras on the 16 ... -
+2 Grey Composite question.Hello all, Long time reader first time poster and all that...... Probably a daft question which has been asked hundreds of times, even though I ca…
... televisions had very simple analogue sync separator circuits, and they work ... was really strict about vertical sync pulses it shouldn't display ... reason why it would only sync on alternate fields but who ... by the TEA2000 from RGB, bright, and sync wheras on the 16 ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... just bought a new RGB cable from RetroComputerShack and it ... the composite video as the RGB switching pin, and uses ... from the TEA2000 as the sync signal.[/QUOTE]
... has already BRIGHT mixed with RGB. However most cables including RetroComputerShack ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... now CSYNC is used as sync (SCART pin20) that means no ... SCART, now it will find RGB only).
One more ... has already BRIGHT mixed with RGB. However most cables including RetroComputerShack ... -
eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... has already BRIGHT mixed with RGB. However most cables including ... Spectra/SpectraInterface.htm"]SPECTRA SCART RGB interface[/URL] for the ... sufficient demand. By outputting a RGB SCART signal, an external ... to be present on the sync line else the picture will ... -
Spectrum preservation/clean up questions.I’m sorting out my 5 Spectrums trying to make them look a bit better, and to package them up how they should be, and to get them to be reliable…
... earlier versions of RGB cables which used the Sync pin on the ... ULA for the RGB blanking signal ... -
Flickering RGB -> SCART output.Hello all, For my toast rack I have bought a [URL="http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-128K-High-Quality-RGB-Scart-Lead-Video-Cable-TV-Le…
... pt=UK_VintageComputing_RL&hash=item3a7013fee4"]RGB -> Scart cable[/URL ...
Is the Component / RGB quality the same?[/QUOTE]
sync. signal. However another ... of quality are: highest = RGB, S-Video, Composite and ... -
Flickering RGB -> SCART output.Hello all, For my toast rack I have bought a [URL="http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-128K-High-Quality-RGB-Scart-Lead-Video-Cable-TV-Le…
... the composite video hits a sync, it'll go below 1V ... the telly it's not RGB any more. Just because a ... power input like the Oric RGB leads do. -
128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…
getting analogue RGB from the 4 TTL signals ... etc do to get analogue RGB from the four outputs on ... .7v p-p for RGB video signals. The sync levels however are ... -
128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…
... converter not being fully in RGB mode, due to the current ... /> No it is in real RGB-mode! Look at the sharp ... Ohm in series to the sync signal to check if it ... -
128k Toastrack Composite Video output confusion!Hi everyone. Ok, so I have a couple of 48k's that I have performed Wombles fantastic composite mod on. They work great here in Canada on my big scre…
... ]No it is in real RGB-mode! Look at the sharp ... Ohm in series to the sync signal to check if it ... -
RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…
... spec for the +2a/+3 rgb cable here - [url]http://www ... are resisters on the RGB + the composite sync. But what values they ... -
RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…
... TV receiving both composite and RGB signals. The composite signal is ... TV can recover the composite sync signal from it.
RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…
... TV receiving both composite and RGB signals. The composite signal is ... TV can recover the composite sync signal from it.
[/QUOTE ... for being fussy about composite sync.
Time to try ... a bigger resister on the sync pin!Cooking toastrack... the dreaded smellI powered up my Spectrum 128 (heatsink model) yesterday only to see what looked like an out-of-tune picture on the television. I'm using a scart adap…
... RF and composite outputs, but RGB should still work (as ... the ULA, the composite sync and the RGB switching signal (which ... RGB cables) come from the TEA2000. No 12V = No TEA2000 = No Sync ... and RGB switching signal = confused TV ...RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…
... TV receiving both composite and RGB signals. The composite signal is ... TV can recover the composite sync signal from it.
sync pin on the RGB socket straight from the ... would check that the composite sync hasn't been connected to ...RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…
... besides the actual video and sync when it comes to using ... the 12v pin on the RGB port on a stock +3 ... switch between the composite and RGB inputs)
The problem is ...No display on a 128 toastrackHi All, I just bought a 128k off ebay with the usual, "it worked last time I used it", so I read into this "it does not work". True enough, it does n…
... susceptible to noise on the sync level.
First, make sure ... detached from the sync signal (check the 128K RGB document for that ... sure your RGB->SCART is using the sync signal for sync, and ...important Harlequin modWhile searching for a better solution for avoiding undesired spikes that corrupt the screen RAM at Harlequin I found a final solution. No additional …
... short time (because of vertical sync loss)
The ... PAL coder AD724 the composite sync signal is EXNOR processed ... also needed for the sync signal used for RGB output.
... used to combine composite sync with vertical sync enable, the other ...Speccy tape on IOS iPhone and lcd monitor questionHi ive just bought a 48k spectrum to relive a bit of my programming youth . I noticed there's a Speccy tape app that should link to games on this …
... "VGA" monitors, they use different sync and scan rates (frequencies) and ... did, they need an analogue RGB input, which the 48k ZX ... 128k Spectrum (which does have RGB output signals) none of the ...where to find Harlequin rev. F all mods till now ?Hi all :) because no more broken speccys around for now, is time to build first of my Harlequin's rev F, I looking in forums and look at Ingo posts…
... have the right level at RGB as well as at CVBS ... is a mod relating the sync signal to avoid problems with ...Newbie Hardware QuestionsI just recently aquired my first Spectrum, a +2, and I'm in the process of getting acquainted with it. Being a newbie I had some questions, which …
... out of either of the RGB to VGA converters...the best ... menu... Apparently they can't sync. I must be doing something ...
