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Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…
... , what look liked an attempted modulator removal has messy solder holding it ... the worst was an attempted removal of IC15 lower ram, with ... I tackled the removal of IC 15. After removal there were a ... the bad solder on the modulator. God knows what has been ... -
128K blues, part +2: picture and tape driveI recently purchased an original (grey) +2 which sadly seems not to be fully working. The computer powers up but there is no way to obtain a stable p…
... but to remove the UHF modulator unit as it had rotted ... I had removed the UHF modulator and subsequently corrected the TR4 ... you, alternatively - for the UHF modulator removal and composite video out
rubber key Spectrum 48k problem :(when i plug the spectrum in all i get is a black screen with a red border and sometimes flashing blocks. the spectrum worked until about 20 mins ago…
... repaired +2 Grey... the UHF modulator had rusted free from one ... regulator, new drive belts, UHF modulator removal and good clean up... pleased ...My first composite mod.Thought it was about time I gave the composite mod a go. I used a youtube video, the bloke in the video took 10 mins, I took about 2 hours :) but it…
... of this thread!) a complete modulator removal.
My adventures with ...My first composite mod.Thought it was about time I gave the composite mod a go. I used a youtube video, the bloke in the video took 10 mins, I took about 2 hours :) but it…
... of this thread!) a complete modulator removal.
My adventures with ...Replacement Modulator for a issue 4 board Spectrum+???Anyone know where I may procure such a thing??? The one in my current machine starts up with the picture tearing and fading (As if the composite sig…
... would like to replace the modulator with one that works)
R.F ModulatorI am probably being paranoid but bear with me!... To get a good picture on a Speccy + that I recently got from ebay I had to turn the little screw on…
... little screw on the TV modulator (the little grey one)about ...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…
... , except for
the RF-modulator output giving unclear colors, moire ...Modulator trouble???Hi again, I posted about a week ago some questions about a spectrum 48. Now I have the aforementioned beast in my hands and I was given the order to…
... guess it should be the modulator is malfunctioning. Can anyone suggest ... resembling a hole in the modulator, like it's supposed to ...Wanted - RGB / VDU Monitor Modulator RequestedI am looking for a RGB / VDU Monitor Modulator, which will allow me to connect my +2A to a monitor. Any help will be appreciated, thank you.
I am looking for a RGB / VDU Monitor Modulator, which will allow me to connect my +2A to a monitor. Any help will be appreciated, thank you.TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... possible, to repair tha TV modulator (after removing it) if it ... it has to be the modulator kit.
I know i ... just want to fix the modulator also if thats possible.
can't find the new modulator design ?I remember seeing on someones site a new schematic for a modulaor that would fit in the modulator case of the old spectrum does anyone know the one …
I remember seeing on someones site a new schematic for a modulaor that would fit in the modulator case of the old spectrum does anyone know the one i am thinking of and if so where is it ?
cheersI want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…
... (like the clones) and no modulator (but I'd make a ... I presume..). what causes the removal of a device to kill ...ZX 48K removing HF modulator?I don't need the HF modulator because I use the video signal. Which parts can I remove? HF modulator. The 2 crystals. Something else? Micky
I don't need the HF modulator because I use the video signal. Which parts can I remove?
HF modulator.
The 2 crystals.
Something else?
MickyModulator oddness - previous owner's mod?Hello, just bought a rubber key 48k Issue 3 I'm trying to fix up. I'm wanting to do a composite video out mod ( n00b at this) but the "spare" hole in…
... the "spare" hole in the modulator box is already used up ...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)…
... problem is the metal RF modulator kit 100%.
Inside ...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 ... 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 ...No RF signal from modulatorGot a bit of a strange fault. I've got an Issue 2 spectrum which the TV doesn't lock onto. The TV locks to other Speccy outputs.<div><br></div><div>I…
... /> I have 5V to the modulator (5.06Vdc) and I have ... a decent signal to the modulator (I get the normal spectrum ... my composite lead to the modulator input)
I've swapped ... the modulator with another (working), but I ...zx80 modulator / composite outI had a couple ZXCCB composite boards I'd purchased a while back and installed 1 in a zx81 and the other in a zx80 this weekend. No problems with …
... , video and 5v to the modulator anyway wasn't a particularly ... assuming I can take a modulator off one of those and ... the innards of the ZX80 modulator to put the ZXCCB in ...Spectrum +2 grey RF removalHi everyone. If I were to remove RF output from a +2, just intending to keep Composite video out from TEA2000, then all the components that make t…
... before signal going into the modulator could also be permanently removed ...zx spectrum +2A modulatorhi specy world , i recently sold a specy +2A with a modulator that looked different from the normal astec jobs .. it was VM-516/E36 b/wave inc taiwa…
... a specy +2A with a modulator that looked different from the ...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…
... and shorting on the RF modulator....
Interesting eh? It ...Spectrum +3 Problem & A Modification IdeaThis is a dual post. And it's also my first post, so I apologise if I get stuff wrong lol. My mate bought a Spectrum +3. I'm unsure about how many d…
... in the case of heat removal - PC parts run *much* hotter ... that way if the TV modulator has died.The ULA6C001E-5...Hi everybody, I have been continuing my Quest for the Holy ULA, and have today taken delivery of a ULA6C001E-5. Now, the -6 was used in Issue 3 boar…
... 3 video circuit are the removal of the preset resistor adjustments ... to the right of the modulator for the 32K RAM board ...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 …
... other option is removal all components from the RF modulator and use ...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…
... in any way by the removal of R32?
- I ... don't have the RF modulator, but if it was still ...Timex Sinclair 1000 probsOk let's see if I don't get bashed with this one [img]/__forums/images/smiles/icon_razz.gif[/img] I got a Timex Sinclair 1000, which is giving me a …
... it be that the RF modulator is broken? From what I ...Spectrum +3 Sound problems.I recently acquired a Speccy+3 but there is a problem with it - the sound output through the TV is badly distorted, especially lower notes. Both the…
... screw on the +3's modulator and it does nothing to ...NTSC MONITORLast year I bought a +2 at eBay. I live in New York, USA. I had a +2 when I was in Portugal (6 years ago). I posted a topic here and 2 persons told m…
... the PAL TV modulator for a NTSC TV modulator (that would be ...need MOD. schematicsAnyone know where I can find schematics for the astec UM1233 modulator?
Anyone know where I can find schematics for the astec UM1233 modulator?
