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a few questions1. When will emulators use pc vga capabilities to emulate the uhf tv output accurately including phosphoric delay and crosstalk synchronization 2. W…
... capabilities to emulate the uhf tv output accurately including phosphoric delay and ... of only 48 machines video output = 8x6
timex only ... br />
3. Is anyone working on software for any of ... command P.D.S?
not even a freescape patch - freescape ... -
Weird tv output by spectrum 48kI recently got a spectrum 48k and hooked it up to my tv. After finding channel 36, I get a really weird picture for the spectrum, why is that? Below…
... hooked it up to my tv.
After finding channel 36 ... the channel selected and the output.
[IMG]http://i1059.photobucket ... -
Something I made in Minecraft...So, this is what I do in my spare time these days (when I'm sure a lot of you will be screaming for me to come back to Speccy-land; I assure you I wi…
... as that can be done). Not to worry, though, because ... Actually, I admit it's not quite complete - the undertray is ... I'll do with the TV output, power input, and the ... height. The height will not change when I finish ... to recreate a [i]working[/i] ZX80 within the ... -
PC to TV problemI'm using a "DIGIFLEX VGA Male to Male 5 Metre Black Cable for PC Laptop to TFT Monitor LCD TV Lead" to put my Dell laptop PC display onto my Toshiba…
... Laptop to TFT Monitor LCD TV Lead" to put my Dell ... display onto my Toshiba LCD TV screen. I'd plug in ... the PC & TV, select PC as the TV source, and I ... the PC picture on the TV.
Now what ... PC and the TV are otherwise working OK, I'm not aware of ... -
ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... existing CPU has faulty M1 output.
- Replaced all ... br /> - Confirmed CPU /M1 output not present.
- Fitted supplied socket ... br /> - Confirmed CPU /M1 output is functioning.
- Re- ... used, but a decent little TV! Comes with Remote Control. ... -
How to amplify the TV out signalI have one of these handy USB sticks where you can input a composite signal, left audio and right audio, but it can also accept UHF/VHF signals (in o…
... other words, it is a TV tuner as well). With cable ... TV signals, this works partly, some ... . It seems the TV output of the ZX is not really strong. Is ... -
SMART card not workingHi all, I've got an issue 3 48k which appears to be working fine apart from with a Retroleum SMART card. The card (which works fine on my other Sp…
... 48k which appears to be working fine apart from with a ... the SMART card. I'm not sure what it'd be ... -
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…
... found out that TR4 was not working. Today I replaced the ... be working perfectly. Then however I noticed an issue with TV ... could possibly be behind the TV signal breakage?
... advance.
1) TV Signal - https://youtu.be/pQz6yP0PuIA ... -
Spectrum 128 toastrack imageHi, I have two spectrum 128k toastrack with problems on composite TV out. I have composite mod for both of them, but the image is really bad on bot…
... toastrack with problems on composite TV out. I have composite mod ... parts (the digital part is working anyway)
- Changed all ... want to use the composite output, not this RGB adapter.
TV inputs and an older CRT ... -
INC not working as expected in LoopHi, i have been working on this for around 2 weeks now and Ive read myself into a hole. I am trying to increment HL. HL is referencing a display …
Hi,
i have been working on this for around 2 ... machine crashes these include but not limited to
ld ... a wiered response but does not crash
---
I ... Disassembler properly so any reference (not the manual i have that ... -
divIDE interface not workingA while ago I bought a divIDE interface for my two spectrums (one is a 48k rubber keyboard one, the other is a 48k Spectrum plus). Sadly I never actu…
... get everything into a proper working condition...
This is ... is otherwise in a fully working condition. Loading from tape works ... already on the memory card). Not to mention some green squares ... it works more often than not. So my guess is that ... -
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 …
... that my Samsung LCD TV sometiimes doesn't lock ... VR2 - which is not very practical when the ... digital TV does not like the Speccy's video output because ... of the signals is not correct (the voltage between ...
My ULA Y output:
[img]https://i.postimg ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... would be designed to understand working as a monitor type program ... chip to decide whether or not another VRAM chip is selected ... be used, copied across if not required).
Screen is split ... being for tape. Also stereo TV output.
MIDI port. Joyport. ... -
TAP files for the TS 2068Hi, just recently bought a TS 2068 and found "Taper" on the web. Downloaded it and began to use it only to discover that it would not open TS 2068 fi…
... also had a digital RGB output for such monitors (CGA ... to the composite video and TV outputs. Finally, it' ... code software usually did not work if they had ... something and it's not working (keeping in mind if ... Spectrum software it might not work anyway), you just ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... computer should work, -12V or not. However, one thing is for ... in your 128 isn't working properly, else you'd get ... works, you just have dodgy TV output circuitry.
If you ... the mosulator. If it's not, trace back to see why ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... should work, -12V or not. However, one thing is ... in your 128 isn't working properly, else you'd ... works, you just have dodgy TV output circuitry.
[/QUOTE]
... mosulator. If it's not, trace back to see ... my 48K speccy is working (not beeper on which I ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... , yes? You're not just assuming that the TV output of the 128 ... move ZTX 650 from my working speccy 48k (this one works ... -
Problems with TS2068sI bought 2 TS2068s, and this is what's happening: 1st computer: -The tv output doesn't work. The composite video output does* -The '7' key is dead.…
... 1st computer:
-The tv output doesn't work. The composite ... dead. Other keys respond, but not always.
2nd ... problems, and I'm not sure if the hissing noise ... is a problem or not. I could use the ... of the keys are working some of the time ... -
Problems with my specs!!! Help wanted!!Hi, I newly had a zx spectrum 48+ and a Spectrum +2 and got problems with them. The keyboard of 48+ is not working. When i turn it on i see the clas…
... . The keyboard of 48+ is not working. When i turn it on ... with my +2. It is working fine but the display is ... colors. (I am using a TV working on PAL)
And last ... ) Is it for input or output?
Thanks all.[/QUOTE ... -
Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... TV itself is working and is tuned into the Spectrum's output ... be honest, you're not likely to miss any of ... and see what happens. Not because the ULA is always ... you have, whether or not spare parts are scarce or ... not. There are many things ... -
sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …
... power supply circuit is probably not providing the +12V and -5V ... the power circuit is confirmed working again, as the specifications for ... inverter and amplifier for the TV output. TR3 provides coupling from the ... -4 or -3 is not. You must not connect L and H ... -
Dead 48K Speccy.Blow this up as a child... thought I'd get it down from the loft and see if I can repair it. Upon power up, it displays this: [IMG]http://i266.photo…
... using the TV modulator's output? Has the TV been tuned ... DC input, and 5V output (to be checked at ... broken transistor in video output stage, broken video encoder ... ULA with damaged video output(s?). Could be other ... the lower memory is not working at all. When the ... -
zx81 repairare they easy or very tricky to fix, just curious? getting one , that displays but no cursor.. so hopefully I can get parts to fix it. I started off…
... with ZX81's on modern TV's (not necessarily even LCDs, just ... ) even though the computer is working absolutely as designed.
output of the ZX81 is in ... -
zx81 repairare they easy or very tricky to fix, just curious? getting one , that displays but no cursor.. so hopefully I can get parts to fix it. I started off…
... ZX81's on modern TV's (not necessarily even LCDs, just ... even though the computer is working absolutely as designed.
... fact that the RF output of the ZX81 is ... ) to "tell" the tv about the brightness level.
Its not an RF problem, I use ... -
RGB SCART Not Working on ZX 128K (heatsink)I've just received a SCART RGB to HDMI converter and it is not working with my ZX 128K (heatsink). I do have the correct 128K SCART cable (which is d…
... HDMI converter and it is not working with my ZX 128K (heatsink ... Spectrum 128K heatsink doesn't output an analog RGB signal, which ... for a TV, but the resulting analog signal might not be standard ... -
zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…
... the computer using the RGB output, not RF or composite. That will ... memory, CPU and ROM were not working. Watch out because some RGB ... RGB function on, in some TV sets. So check first the ... -
Sinclair QL RGB output to what?My Sinclair QL has TV and RGB output. First will not show full resolution and the latter will only show it (512x256) if connected to a proper monitor…
... Sinclair QL has TV and RGB output. First will not show full resolution ... is nowhere to be found (not even on e-bay). What ... scart but this is still TV, right? It still eats up ... of 8833), but it is not working ATM because power switch is ... -
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…
... modern auto tuning tv but have now got them working on this ... old b&w tv.
[/quote ... supply which indicates that the output is ? 9v DC however the ... to the tv and powered up I could not get any output and ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... the PCB. This header is not soldered, but it's ... that the JTAG chain is not broken, and it's ... .
I've not been able to hear anything ... FPGA is configured and starts working in less than 1 ... is to build a simple TV output generator, with horizontal and ... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... that works but it seems not all the necessary signals make ... connector - the SPECTRA appears not to be able to monitor ... with the Spectrum?s TV output and not routing them through avoids ... might then prevent SPECTRA from working reliably). The schematics I ...
