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Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... was replaced with Traco Power TSR 1-2450 switching power converter, power is came ... from a laboratory DC power supply set to 10V. Spectrums ... two states, only the the power supply was switched off and ... -
New Spectrum User - Inveterate UpgraderI've been asking a few questions about my Speccy, which is the first I've owned despite my advancingh years. I was a C64 kid, but please don't hold …
... heatsink for a more modern Traco Power TSR-1-2450, relegating the ... heatsink to the scrapheap. The power was intermittent too, so out ... -
Faulty Issue 1Hi all, thought I'd document my efforts in getting another speccy working. I've never done this before so please bear with me... I recently took a p…
... one off of ebay ("missing power supply - unable to test" 8 ... installed. Lo and behold - initial power on reveals duff 7805 and ... the 7805 with a Traco Power DC-DC convertor. Power on and I ... -
Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…
... ...
Recap.
Traco Power TSR 1-2450 power regulator.
Lower and ... -
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…
... to replace this with a Traco Power TSR 2-2450 5v ... Toastrack should also get a Traco Power TSR 2-2450 to ... .5a, or even the Traco Power TSR 1-2450 5v 1a ... , or if the 1a Traco is sufficient. I would ... suspect that the 2a Traco would be complete overkill ... -
ZX Spectrum and add-on temperaturesImre Jakli from Hungary sent me some interesting pictures which I think are worth to share. These are about temperatures he measured with a modern to…
I used the TRACO power switching regulator TSR1-2450 5V- ... board using the 1.4A power
supply (1.2A was ... , and with the 1.4A power supply I got 13.3V ... the 7805, it decreased the power consumption by 2 Watts.
Spectrum 128 malfunctioning with DIVMMCI recently got myself a spectrum 128 (toastrack) and a DIVMMC card so I could load games from it. It all works fine until it has warmed up and then t…
... 0.60A@10V with the Traco Power TSR-1-2450 and 0 ... on some ZX Spectrum 48K power supplies, since the output voltage ...Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... 0.60A@10V with the Traco Power TSR-1-2450 and 0 ...Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... 0.60A@10V with the Traco Power TSR-1-2450 and 0 ...Toastrack refurbishmentYesterday I opened a drawer in my old desk and discovered 2 complete toastrack 128s and a board only for the same. As I already have a fully working…
... 0.60A@10V with the Traco Power TSR-1-2450 and 0 ... drawn from the external ?9V? power supply. Some of the current ... noise escaping via the dc power cord.
[QUOTE= ... regulator chips have foldback current / power limiting protection circuits. The exact ...Switched voltage regulatorIn the past a replacement voor the (hot!) 7805 has popped up a couple of times in various threads. As far as I know, Recom Power Inc. was always ment…
[URL="http://www.tracopower.com"]Traco Power[/URL] has the TSR 1- ...Dead SpectrumHello guys, I've just bought a dead Speccy 48k (Rubber Keyboard Issue 3 board). Basically, when powered on it initially appears to boot up ok, but in…
... from Ebay that wouldn't power on (12quid!), and swapped the ... voltage regulator out with a Traco Power TSR 1-2450 just so ...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 …
... , hence I replace them with Traco Power switching regulators.
But since ... the power circuit is behaving a bit ... did not need its own power supply.
So some ...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 …
... unit .
Also the Traco Power TSR1-2450 mod on the ... with just one of these power supplies . So some of them ...Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
... ]http://uk.farnell.com/recom-power/r-785-0-1-0 ... /dp/1793143[/url]
Traco Power TSR 1-2450
[url ...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 …
... converter (like a Recom or Traco Power) in place of the 7805 ... /off switch in it's power lead.
[*]Have at least ... one "power on" LED. Maybe one LED ... for each of the four power rails if space can be ...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 …
... converter (like a Recom or Traco Power) in place of the 7805 ... /off switch in it's power lead.
[*]Have at least ... one "power on" LED. Maybe one LED ... for each of the four power rails if space can be ...48k Issue 6a Very sick indeed.Hi Guys. I have a 48k Issue 6a board that shows a white screen with grey border. The white screen has three black squares spaced equally on the le…
... the voltage regulator with a Traco Power TSR1-2450.
I desoldered ... VERY HOT. I disconnected the power immediately, removed TR4 and it ... TR4 installed, and when the power is applied the voltage at ... .94v E=.9mv. Leaving the power connected, I got a brand ...ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…
... %
Also will exchange the power regulator with -TRACO Power (TSR 1-2450)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…
... Toastrack should also get a Traco Power TSR 2-2450 to replace ... 1.5a, or even the Traco Power TSR 1-2450 5v 1a ... MuRata, or if the 1a Traco is sufficient. I would suspect ... that the 2a Traco would be complete overkill in ...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…
... . The +2 got a 2a Traco Power switch mode regulator.
Power wise, all three machine are ...Climate ChangeThis has been on the News for a couple of days now, including coverage of worldwide rallies calling for more efforts to tackle climate change. I have…
... /DC converter like a Recom, Traco Power or similar type?
power by as much as 50 ... or interfaces fitted, your actual power consumption figures may vary...[/size ...What % of WOSSERS use "old school" tape loading when playing their Speccy games.My guess is .000000001% ( but I might be slightly out on this! ) Do people still enjoy doing it "the old way"?
... the new switch regulated Speccy power power supplies . Well , if ... about ZX Spectrum switch regulated power supplies then this "knowledge ... ZX Spectrum was launched, power supply technology has moved ... as those made by Recom, Traco Power, or MuRata.
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... replacing the original "heavy lump" power supply (excluding the later Amstrad ... "black" Spectrums which have different power supply requirements , I believe) with ... switching regulator fitted (eg a Traco)
Mark mentioned on ...spectrum48k power supply?Hello, I live in the U.S. and I need to get a power adapter for the spectrum 48k comparable to the original. I needed to know all the specifications…
... I need to get a power adapter for the spectrum 48k ...SPECCY+2 110V POWER SUPPLYI live in the USA and I bought a ZX Spectrum 128k +2 in eBay.com. The problem is that i don't know how to turn it on. All the major US appliances use…
... 110V ac to 9v dc power supply would be enough. I ...Power House Games and Mimzoid Death Dude For some bizarre reason, I'm trying to collect all the Power House games and any games by Grant Jaquest. I particularly want Odd Ball and Mimzoid D…
... trying to collect all the Power House games and any games ...Power Packi have a tape which is tape two of ?? and has POWER-PACK on the top. it has games from Martech but i cant put a name to it or find any info. on side …
Replacement power suppliesIs it possible to get a replacement power supply for the old speccys? The high Amperage is a problem: 1.4A for the rubber-keyed 48K. Know where you c…
Is it possible to get a replacement power supply for the old speccys? The high Amperage is a problem: 1.4A for the rubber-keyed 48K. Know where you could get one that would handle it? It wouldn't need to be an original.
