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Improving RF-modulator outputMy old 48k is working perfectly, except for the RF-modulator output giving unclear colors, moire type effects - generally being a bit bad and driftin…
... perfectly, except for
the RF-modulator output giving unclear colors, moire ... refresh the stability of the RF output?
I'm ... -
RF Modulator, not Astec UM1233While repairing a +2A board (D4 burnt out, so the WAIT signal from the gate array didn't reach the CPU and hence, the CPU was running full speed even…
... ) I recalled on the silver modulator box.
[img]http://www ... not the usual Astec UM1233 RF modulator. I opened the case to ... curious to know if this modulator works better than the old ... experience with this type of modulator? For your reference, the board ... -
Keyboard shorting out on RF modulator.OK, this is the mos unusual fault I've diagnosed this year. A keyboard with a new membrane was failing sometimes, and preventing the computer from go…
... plastic and shorting on the RF modulator....
Interesting eh? It ... -
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…
... (grounded) metal can of the modulator. You can put down some ... . Should have a cap. The RF modulator model used in all Spectrums is ... -
ANN: Spectaculator 7.5Spectaculator 7.5 is now available from [URL="http://www.spectaculator.com/"]http://www.spectaculator.com/[/URL] - Spectrum +3 disk images in IPF fo…
... 510342]Seconded - the Aerial (RF) mode looks absolutely incredible, so ... Knight Lore-hating 128k heatsink model.
Good ... no mistake, the speccy RF modulator was very kind to speccy ...
The RF aerial effect is hands-down the best screen effect ... -
Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…
... with the tv out (through RF modulator) .The image is clear on ... that the pot of the modulator is loose so the spectrum ... is always switching RF frequency.What can I do ... english. :)
With the best regards,
Rfthunder. -
Spectrum 48K colour problemI obtained Spectrum 48K issue 2 in verry good condition. Machine work very good, but picture on my Samsung TV (72cm diagonal flat 100 Hz) is little s…
... assumed that maybe RF modulator in such a old model is incopatible ... thread here, about converting Speccy RF to composite video, but ... familiar to much with Spectrum RF modulator, and cant remember if ... all revision for every Speccy model, but i didnt bookmark ... -
+3 compositve video out problemToday, I've tried to put a composite video out in my +3. I've built the circuit proposed [url=http://www.secarica.ro/html/plus3_hardware.html#composi…
... set in a RF TV).
My best guess is that ... 't want to disable the RF modulator), but in +3 the lower ... -
128 Toastrack power supplyHi! Should Toastrack work with rubber key Spectrum power supply or does it need it's own one? Is Toastrack RF modulator same as in rubber key model?…
Hi!
Should Toastrack work with rubber key Spectrum power supply or does it need it's own one?
Is Toastrack RF modulator same as in rubber key model? So can I use rubber key modulator in Toastrack?
Thanks!
Ippe -
Taking the Spectrum for a bath - Lots of SEXY photos!Decided to take a Spectrum +2 for a bath this weekend. It was non-working, so it needed fixing. It booted to a fuzzy dark picture and I thought "Ah, …
... it was just a faulty RF modulator, but deciding I didn't ... I just changed the whole RF box with another working one ... not anything contagious.
The RF modulator (top left) has been changed ... as it should. Later model spectrums have better quality membranes ... -
Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…
... and noise level.
RF modulator failure? Maybe I should recap ... /IMG_3675_resize.jpg[/img]
Best Regrads, Netomc -
ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…
... transistor amp? Or the the RF modulator (cut the track and feed ... it to the RF modular) or directly to composite ... it okay?
Best regards,
Artem -
Is the 128K heatsink's TV out modulator kit repairable?I have a 128K+ Spectrum that is working absolutely fine and is giving out the perfect picture from its RGB out socket (with the right cable ofcourse)…
... /> The thing is that the RF picture is far from satisfactory ... the problem is the metal RF modulator kit 100%.
Inside ... -
128k+ CompositeAm I to understand this correctly but all thats needed for composite video on this model is to run a wire from pin 1 of the RGB port to the phono out…
... for composite video on this model is to run a wire ... phono out of the RF modulator (disconnecting the RF first) and disconnect the ... sound to RF, is that really all there ... -
+2 grey rf out problemI got a kind of broken +2. it basically works, but with a annoying rf out problem. When screen goes black (eg. after border 0: paper 0 command) it l…
... works, but with a annoying rf out problem.
... I hover my hand over RF modulator tv image dissapeared. I moved ... came back. I popped up RF unit's cover, and ... transistor right side of the rf unit. I don't ... I put my finger in rf unit (again not have ... -
Help with potentially broken ZX Spectrum+Hi guys, I'm new to collecting Spectrum consoles and recently purchased a +2, +3 and + model. The + model I seem to be having trouble with in gettin…
... +2, +3 and + model.
The + model I seem to be ... figured after so long the RF modulator might be the bit that ... in it. I disconnected the modulator and soldered a wire from ... -
Spectrum 128k +2 (grey) getting started..So, I just received a grey +2 in the mail. I don't know if it's in working condition, but that doesn't really matter. I opened it up and a small r…
... have to do the same RF modulator bypass hack as with a ... thread on this forum. The best I found is this rather ... -
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…
... wiring the composite into the RF modulator over to the RCA jack ... -
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…
... 48k.
[b]Composite/RF mod[/b]
Is there ... the composite mod to the RF modulator won't make any difference ... , and any advice on the best option for doing that (straight ... -
ZX Spectrum 48kHi ive just got a zx spectrum 48, When i tune it in it's got a good picture but theres alot of white noise ! does any 1 know whats causing this and …
... way to set up the RF modulator so that it outputs on ... and I found that the best way to get a decent ... -
Spectrum LpatopSo I'm sitting at work board as normal I've already played klass of 99 3 days today and have nothing left to do. So after setting up 5 laptops today…
... of 25 hours for that model.
Laptop batteries are ... able to dispose with the RF modulator and just connect the RGB ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... voltage regulator and skip the RF modulator to attach video to SCART ... etc etc etc
Best regards to everybody again!!:grin: -
Problem with ZX Spectrum 128k +2B Tv Output and RGB imageHello, Last week I've been ofered with a ZX Spectrum 128k +2B but I have a problem with the tv out (through RF modulator) .The image is clear on the…
... ferrite slug in the modulator and the frequency fixed ... images of output with the RF Modulator and RGB/ Peritel respectively. ... spectrum%2B2b+rf+out.JPG]ZX Spectrum +2B RF Modulator Out [/ ... besides the TV RF Modulator?
With the best regards,
... -
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…
... the original with the Amstrad model.
[/QUOTE]
Hi ... there is composite video on RF modulator or RGB port with no ... -
Xbox 360 t.v lead help neededMy brother, is lazy, and has been promising to send me a lead for my xbox 360, which will supposedly enhance the display, but I have given up waitin…
... from worst to best, as below:
RF (aerial signal, eg ... from the Speccy, SEGA RF modulator etc) - carries picture and audio ... -
speccy plus keyboard helppicked up a really clean boxed speccy + with a ton of games for ?4 from the local recycle centre yesterday, woohoo :) Anyhow on testing it powers up …
... isn't working either. Your best bet is to buy a ... is poor, consider replacing the RF modulator (in top right of spectrum ... -
comp video zx spectrum +2AI did this comp video mod on my zx spectrum 48K a while back and it worked great. [url]http://womblesretrorepairshack.blogspot.com/2008/11/zx-spectru…
... a different mod for this model?[/QUOTE]
The reason ... signal which goes to the RF modulator, is in fact Composite Video ... -
comp video zx spectrum +2AI did this comp video mod on my zx spectrum 48K a while back and it worked great. [url]http://womblesretrorepairshack.blogspot.com/2008/11/zx-spectru…
... think all spectrums have same RF modulator.
anyway, take that advice ... SCART. i think its the best possible quality without some serious ... -
Spectrum +3' AY sound issuesHi everyone - first time poster. I just got a Spectrum +3 for Xmas, and I am over the moon at this - I used to write games which I have here on 3" d…
... that was connected via the RF modulator (no scart on our TV ... was underwater.
The best sound that I have ever ... -
128 Toastrack power supplyHi! Should Toastrack work with rubber key Spectrum power supply or does it need it's own one? Is Toastrack RF modulator same as in rubber key model?…
... /> Is Toastrack RF modulator same as in rubber key model? So can I ... use rubber key modulator in ... Toastrack has sound output via modulator, Rubber does not have it ... and Composite output mod with modulator does not work on toastrack ...
