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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…
... .com/Generic-Scart-Converter-1080P-Video/dp/B00DI6HTOI/ref=sr_1_8?ie ... .com/Generic-Scart-Converter-1080P-Video/dp/B00DI6HTOI/ref=sr_1_8?ie ... use of a resistor and capacitor fitted on the TEA2000 on ... -
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…
... colour encoder for the composite video output and the UHF outputs ... only. The RGB video outputs come from the ULA ... to switch off and picture improvement options.
[B][I ... -
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…
... colour encoder for the composite video output and the UHF outputs ... only. The RGB video outputs come from the ULA ... to switch off and picture improvement options.
[B][I ... -
ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…
... implementation that makes very smooth video, without jitter on the scrolls ... , but I didnt notice an improvement in these new revisions.
ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…
... , but I didnt notice an improvement in these new revisions.
video. 75 Hz is much better ...ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…
... quality of the video synchronization and performance improvement.
... display fullscreen;
- render video/sound performance optimizations;
... "Frame Sync Source" and "Video Filter");
- reduce ... :
Video Sync works much better now ...3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…
... a direct connection from video input to video output bypassing the ... transistor with a 100uF electrolytic capacitor.
The transistor ... closer to 0V. The capacitor removes the DC portion of ... signal. Normally, only the capacitor should be enough.Guess the video faultI've two dead flesh Spectrums, one a 16K issue 2 outputting white with a tinge of blue (not as extreme as photo shows) with two pink horizontal lines…
... to be in the analogue video circuitry.
Are the ... the area of the analogue video circuitry have not been changed ... that a semi-bad electrolytic capacitor can cause.
Having ... that there is a non-capacitor fault causing these symptoms. But ...Spectrum 48K Ferranti ULAIs there anywhere to get hold of the ICs in the subject? Martin
... 1:1 drop-in ULA replacement, all that's needed is ... /> [QUOTE=balford;818675]An FPGA replacement is being worked on, but ... in my Sinclair ZX81 ULA replacement: 2 (digital) I/O pins ... -> black & white composite video. Color just requires more I ...Spectrum 48K Ferranti ULAIs there anywhere to get hold of the ICs in the subject? Martin
... have begun with a ULA replacement module for the +2A/+3 ... you realize that the ULA replacement module can be placed in ... about the sound and the video and the disk control and ...3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…
... direct connection from video input to video output bypassing the ... transistor with a 100uF electrolytic capacitor.
The ... signal. Normally, only the capacitor should be enough.[/QUOTE]
capacitor bypassing the modulator. I ...3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…
The capacitor mod makes the composite output non-standard, composite video isn't ... all) TVs have a coupling capacitor in them anyway. Personally I ...3.4 Inch TFT with 48k Spectrum....hmmm?Hey guys, So I have been playing around with the idea of using a small LCD with composite input for a 48k Speccy. I got hold of one of these relat…
... to 100uF) allows the composite video signal through.
... buffer amplifier stage before the capacitor (transistor or suitable chip). ... a bodge really. In most video amplifier designs, you want a ... get one of the two video modules from Sell My Retro ...HDD Recorder on ebay[url]http://www.ebay.co.uk/itm/111614421673[/url] Great device for recording gameplay vids or even Emmerdale if anyones interested
... modem). As you see, composite video is an output, same goes ... it's a drop-in replacement for one they have at ...Running a ZX Spectrum Stateside.Ok, so I have some spare time and want to hook my Spectrums up to my Big 60" TV for some fun. My Sony AV unit should be able to translate the signal …
... the ULA that dictates the video output format.
So ... connector, for which a suitable replacement is an old PC ATX ...ZX81 Composite Mod<p>I've done a simple composite mod to my Issue 3 ZX81 following a basic schematic I found on one of the ZX81 forums. Mod consists of a BC547, 1…
Try adding a capacitor in series with the output ... a DC component on their video input. Also it'll reduce ... have to work as hard. Capacitor value in the order of ...2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…
... br /> [b]Vega Launch Video[/b]
somewhere on this ... down, this is the replacement: http://randomflux.info/1bit/ ... Return of Traxtor
(video only): [[url="http://www. ... /> Retroworks new product
(video only): [[url="http://www.worldofspectrum ...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 …
... as 47µH and a capacitor with 27pF or 68µH ... capacitance of the capacitor leads to sharper edges in video picture.
video signal that is not synchron ...Composite Video Mod Capacitor ValueCouldn't find any thread where this has been asked before but I'm not convinced the search in this forum is the best...:) Due to the recent retire…
... However, if no capacitor is fitted, the video output signal from the ... the capacitor will limit low frequency parts of the video signal ... connect a 100nF ceramic capacitor in parallel with the ... peek voltage across) the capacitor and the voltage rating of ...not working issue 3Hi all, I received this mobo from ebay, after start i have this on screen [img]http://forest.no-ip.org/wos/issue3_01/20150728_135908.jpg[/img] …
... IC or a dead electrolytic capacitor is overloading one of them ... might find some of the video presentations I've published helpful ...Windows 10 Anyone Got it YetSome of my collegues have been installing or updating their OS to Windows 10 and have been speaking very favorably about it,except the lack of driver…
... one exception is a motherboard replacement, which will inevitably cause the ... , even if you reuse storage, video, memory, and a case, is ...ZX Spectrum+ adviceHey all, I just got a ZX Spectrum+ from eBay and I'm not sure yet what to do with it. I wanted to first take a peek inside, see what issue board it i…
... gear, got a 100uF capacitor and done the video mod properly. What ...I feel they could have done this.After reading the ZX Spectrum ULA, I learned about how the ULA detects if the Z80 if going to access memory in the next cycle and stops it if the ULA…
... and would be a huge improvement, since it would provides faster ... of bank switching", but for video, by using some "free" bits ...What was the last DVD you bought?With the rise of streaming services such as Netflix and download services does anyone still buy dvd's? Sales must be falling the same way as CD's ar…
... would randomly freeze when playing video files from an external drive ... the same brand as a replacement, as you were used to ...Display bandsHi all, I'm busy working on an issue 3 16k Spectrum I picked up on eBay. I've upped it to 48k and put a new membrane in. I noticed the display was…
... the design and of the video signal standard. But yours is ... />
Also what make of replacement capacitors did you use?
I recapped my 128K toastrack, installed stereo kit and detached audio from video, but...Hello fellow forumers! I'm seeking for help: I've finally decided to change all electrolytic capacitors of my 6U (with all Panasonics 105oC)... Af…
... ! ;) ) checked the polarity of each capacitor replaced? You can compare both ... is that one of the replacement capacitors was bad or overheated ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... the outer plastic of the capacitor is rotted away at the ... I will order in some replacement. Of course ,it might not ...Faulty 48+ Help NeededHi, This is what I get when I plug in the spectrum, this is tuned in. Vid shows a reset. Any ideas, or pointers on the first thing to check. Keyboa…
... as seen in the original video. Is it too soon to ... ? Or should I purchase the replacement kit sold by Zorn first ...Some downloads fail meI want download the schema of the Spectrum +2A and I can not because appears a user and password request in all links of "SCHEMATICS, MANUALS AND TEC…
... , +2B and on +3 boards: Capacitor C24 links the sound from ... chip IC10 (MC1376) to the video colour encoder chip IC9 (TEA2000 ... not produce the best quality video or sound.
[b ...Video Problem - Spectrum 48kYet again I come seeking help.... Can anyone point me in the direction of anything that explains the video generation circuit on the Spectrum? I'v…
... feed to a 100uF electrolytic capacitor (+ on the transistor side) and ... other side to a composite video input on your TV / monitor ...
