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Newly Acquired +3 in the USAI just acquired (rather accidentally, was looking for an empty Spectrum + case!) a pretty nice Spectrum +3, and a US-spec PSU. As far as I can tell …
... -blue ghosts' compensation on composite video output of TEA2000. Therefore a ... of an inductor and a capacitor. The cut off frequency of ... you can install just one capacitor like 82pF or 100pF, or ... -
Best way to mod a Spectrum 48K for Composite VideoIt seems that their are generally two ways to mod a 48K for composite video - just wiring the composite into the RF modulator over to the RCA jack vs…
... non-destructive: use the composite video available at the edge-connector ... , disconnect the +5V and video input wires, solder in a ... new wire carrying the composite video from the Spectrums PCB ... include a 100uF 16V electrolytic capacitor wired in series with the ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... per the above You Tube video .I was glad I not ... was probably harder than a capacitor to remove all in one ... shown in the "You tube" video above , but ,when I do ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... possible to do a composite video mod without a modulator already ... connect a 100uF capacitor (positive) to the video signal output next to ... -
Youtube ClichesSo YouTube has been around for what seems like a v-long time and has become an integral part of the internet and social media. It has now gotten to t…
... But for whatever reason, this capacitor eventually goes bad, and can ... you have to remove the capacitor before it happens (fortunately ... Yeah, forget about the left capacitor, that's, that's ... create a demonstration or guide video, then you'd actually practise ... -
Youtube ClichesSo YouTube has been around for what seems like a v-long time and has become an integral part of the internet and social media. It has now gotten to t…
... titles/introduction, the ones that video stutter and cut jump, the ... a camera, soldering iron, the capacitor and the Spectrum at the ... gadget with the other. **** poor video editing that cuts off in ... -
ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... had no proper clock or video signals using 74HC175 as 2 ... he has some issues with video sync
- Zipp firstly ... video sync issues and he had to try different resistor and capacitor ... . And his screenshots shows good video quality.
- I build ... -
Recent hardware acquisitionsWell, not actually that recent but I've not had time to look at them until a few days ago... Two Speccy +'s. Both are semi alive. Both have semi d…
... curious erm "t-piece' of capacitor and two resistors for some ... analogue TV: It uses positive video modulation (the U.K. uses ... negative video modulation) and encodes colour with ... -
What mods do you recommend for a +2aHello all, I have recently got a +2a, that is running nicely. I'm thinking of modding it. I have read that the +3e rom is a good option. what else…
... .
1. The TV video output - in simple words, take ... is very simple just one capacitor (82pF) and one inductor (15uH ... -
Spectrum 128k +2 Grey and DivMMC reader problemHi guys, I am trying to figure out why the DivMMC reader do not work on a Spectrum 128k +2 grey I grabbed recently over the net. What is for sure…
... . The reason was the electrolytic capacitor at the 12V line on ... or periphery (only for the video chip) spikes at this line ... of the circuitry). Substituting this capacitor by a new one solved ... -
I can't get my +2B to work over RGB to SCART.Hi so I have a black +2B and no matter what I do I get a black screen using the RGB-SCART scart cable (specific for the model ) and I'm using a SCART…
... electrical connectors (including audio and video connectors). The current that will ... , if you connect a audio/video cable to another device, this ... . It is due to a capacitor (to reduce RF interference) that ... -
New video about S-video on Spectrum 128 / +2I just made a video about an S-video modification on a Spectrum +2. Most of the technical details are in the video; if you have any questions about i…
... the TEA2000 using the coupling capacitor C31. The TEA2000 receives a ... /> In the modified +2 S-video circuit, the RF modulator is ... -
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…
... screen RAM and creates the video signal). The Z80 CPU is ... you have got each electrolytic capacitor in the correct way round ... screen print error for one capacitor (can't remember which one ... -
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…
... screen RAM and creates the video signal). The Z80 CPU is ... /> Watching a zx.zigg.net video he noted that a failing ... you have got each electrolytic capacitor in the correct way round ... screen print error for one capacitor (can't remember which one ... -
Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... lines and treating it as video information.[/quote]
Hmm. I ... all gung-ho replacing every capacitor I see. -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
[b][u]S-video mod to ZX Spectrum[/u][/ ... cut needed.
Desolder capacitor C65 (22uF). Keep this safe ... signal then goes to the capacitor that was formally C65 (22uF ... ). The other side of this capacitor has a junction with two ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... signal then goes to the capacitor that was formally C65 (22uF ... function or polarity of the capacitor. We are simply just moving ... PCB to a new 'S-video' board. It then feeds the ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... troubles with this S-video mod unfortunately. I decided ... to have the s-video cable hardwired to the ... has fried into the video circuitry of the Spectrum ... been damaged apparently but S-video has gone.
... scratch and replace the capacitor with a new one ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... being important for an S-video connection.
For areas ... difference when using an S-video connection.
Although it ... only changes are to remove capacitor C65 and to cut or ... input connections to the modulator (video I/P and the +5V ... -
New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... being important for an S-video connection.
For areas ... difference when using an S-video connection.
Although it ... only changes are to remove capacitor C65 and to cut or ... somehow incompatible or my s-video to bnc-cable (self made ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... doing that (straight wire connection, capacitor etc). would be greatly appreciated ... moment the +2's had video out on the edge connector ... 48K and I did the capacitor version. I did not follow ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... you want to perform the video mod "the more complex way ... above I'll do the capacitor composite mod once I'm ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... that (straight wire connection, capacitor etc). would be greatly appreciated ... 2 (grey) already have composite video outputs on the monitor/RGB ... independent of the composite video and RF/UHF TV ... are derived from the RGB video signals...).
For ... -
Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... you want to perform the video mod "the more complex way ... above I'll do the capacitor composite mod once I'm ... we will definitely do the capacitor mod.
Regards power ... -
Rod-land - struggling to get working on my real +2 (grey machine)Hi Everyone, I've had a week enjoying tinkering with my +2 and there are only a few games I have not managed to play on my +2 that I enjoyed back …
... should take note of every capacitor on the machine so that ... while in the colored bars video pattern shown by pressing BREAK ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... , but pick-up the composite video out signal from the expansion ... Spectrum’s non-standard composite video signal. Sometimes it’s possible ... by installing a capacitor in series with the composite video signal, but ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... there will be no video signals on the expansion edge ... />
The monochrome (/Y) video signal on the edge-connector ... match the impedance to consumer video equipment.
The ... video signal is already buffered, so may just need a 100uF capacitor ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
...
[quote]The monochrome (/Y) video signal on the edge-connector ... the impedance to consumer video equipment.[/quote]And by ... video signal is already buffered, so may just need a 100uF capacitor ... a specific ground for the video signal?)? And 100uF? That ... -
Composite out, but without a mod?Through [url="https://faqwiki.zxnet.co.uk/wiki/ZX_Spectrum_16K/48K_edge_connector#Video_Outputs"]this[/url] page, it sounds like I can keep my ZX Spe…
... video equipment, as they already have a built in coupling capacitor ... video equipment does not have a built in coupling capacitor, ... then the composite video output from the ... a 100uF 16V electrolytic capacitor (positive lead goes to ... -
Need some help building a cable for Spectrum 128k +2 to US Commodore 1084S-PHello WoS users! Does anyone have a diagram detailing how to build a cable to go from the Spectrum 128k +2 (grey) to a Commodore 1084S-P (US version…
... and bridging another ceramic disc capacitor over to the leg of ... remove the audio from the video circuit. I didn't see ...