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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…
... pop the black probe on blanking ground ( 18 ) and red probe ... on blanking (16) and I get 4v ... -
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…
... .
Comp video ground/Blanking ground is not correctly insulated ... -
Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …
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…
... 't been connected to the blanking pin or something stupid like ...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…
... connect CS, VSYNC, CV to blanking on +2 gray, use different ...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…
... fix the problem with the blanking voltages.
Connecting a ... or sync signal to the blanking pin might work on some ...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…
... pin 16 of scart (rgb blanking) is wired straight to pin ... switch?
Pin 18 scart (blanking signal ground) is wired with ...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…
... cables.
About Blanking for +3:
... "The calculation of the BLANKING signal line is as follows ... - connect ZX using different cables (blanking line)
- measure signals ... play with external power for blanking or resistor values.
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…
... pin 16 of scart (rgb blanking) is wired straight to pin ... switch?
Pin 18 scart (blanking signal ground) is wired with ...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…
... can have one for the blanking voltage and one for the ...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…
... can have one for the blanking voltage and one for the ...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…
... TVs to connect the BLANKING pin of the SCART ... 12V lines to the BLANKING pin directly yields 0 ... is connected to the BLANKING pin then the other ... 128. If either the BLANKING or FUNCTION SWITCHING pins are ... connected then the BLANKING GND (pin 18) should ...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…
... but then you lose the blanking voltage because ot the two ... disconnected one to the scart blanking pin.
Just making ...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…
... the bother, is the blanking signal on pin 16. ... ~0.8v on the blanking input pin you are also ... you can produce the appropriate blanking voltage, but you are ... pin will always equal your blanking voltage. You could cut ... 0.4v is a blanking signal and accept the ...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…
... and use that as the blanking pin and leave the other ...Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... a circuit to feed the blanking signal with 1.6 volts ... AA battery to feed the blanking signal instead.
Sorry ...Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... a circuit to feed the blanking signal with 1.6 volts ... AA battery to feed the blanking signal instead.
Sorry ...Picture issues with LCD televisions.As I don't currently have anywhere sensible to put my CRT television, I wanted to switch to a flatscreen LCD for the time being. I have however encou…
... 3 volts on the SCART blanking pin.
[quote="Neosodium ... 3 volts on the SCART blanking pin.
Picture issues with LCD televisions.As I don't currently have anywhere sensible to put my CRT television, I wanted to switch to a flatscreen LCD for the time being. I have however encou…
... doesn't sound like a blanking issue, however every time someone ... 't provide a proper level blanking signal so on balance I ...Some technical queries regarding +2A, please help!Hi All! Been tryin to explain Jet Set Willy to the missus, and wanting to relive a bit of my youth, so I bought a Speccy +2A. When I got it, it wa…
... SCART specification. Specifically the RGB blanking voltage on pin 16 which ...Some technical queries regarding +2A, please help!Hi All! Been tryin to explain Jet Set Willy to the missus, and wanting to relive a bit of my youth, so I bought a Speccy +2A. When I got it, it wa…
... by an out of spec blanking signal and I'll be ... cable to test if the blanking signal is the issue.Some technical queries regarding +2A, please help!Hi All! Been tryin to explain Jet Set Willy to the missus, and wanting to relive a bit of my youth, so I bought a Speccy +2A. When I got it, it wa…
... theory that it's the blanking voltage that's causing the ...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…
... cable that doesn't control blanking/function connection well... Been there ...Best composite mod informationJust got my 16K (Issue 3) working. I'm in NTSC land so I need to run a composite signal through my PAL<->NTSC converter. I know there are a ton o…
... enough voltage on the RGB blanking) the signal the tv displays ...No contended memory?Sorry if this is a stupid question. But I'm trying to learn more about the ZX Spectrum. If I had a stock 48k Speccy and I could wave a magic wa…
... the video. During the horizontal blanking, the CPU runs as normal ...Spectrum +2 (Grey) troubleshooting helpHi guys, first time poster here, tell me if I'm doing something wrong. I bought a ZX Spectrum 128k +2 a week ago, it was sold in working condition a…
Righto, in that case the first thing I would want to test is the RGB blanking voltage issue. Best thing is to mod the speccy so you get a scart compliant signal to remove that variable.Spectrum +2 (Grey) troubleshooting helpHi guys, first time poster here, tell me if I'm doing something wrong. I bought a ZX Spectrum 128k +2 a week ago, it was sold in working condition a…
In that case I would be inclined to mod the resistor that feeds 12V to the scart RGB blanking pin to see if that has any effect. Unless you have access to an oscilloscope?128 +2 grey, no video but still beepsGot a grey 128 from ebay, im using a 48k spectrum powers supply, all voltages seem ok. I cant get compostie video using the normal mod or from the 8…
... done based on the RGB blanking input. Speccies can't actually ...128 +2 grey, no video but still beepsGot a grey 128 from ebay, im using a 48k spectrum powers supply, all voltages seem ok. I cant get compostie video using the normal mod or from the 8…
... in mind that the RGB blanking pin of the TV is ...
