-
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…
... regulator was replaced with Traco Power TSR 1-2450 switching power converter, power is came from a ... laboratory DC power supply set to 10V. ... states, only the the power supply was switched off and ... two pixels above and maybe 1 or 2 pixels right ... -
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 ... -
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…
... the following...
Recap.
Traco Power TSR 1-2450 power regulator.
Lower and upper ... -
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…
... replace this with a Traco Power TSR 2-2450 5v 2a switch mode ... Toastrack should also get a Traco Power TSR 2-2450 to replace its legacy ... 78SR-5 5v 1.5a, or even the Traco Power TSR 1-2450 5v 1a switch ... would suspect that the 2a Traco would be complete overkill ... -
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…
I used that TSR-1-2450 regulators in many of my ... 0.60A@10V with the Traco Power TSR-1-2450 and 0.63A@10V with ... 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 0.63A@10V with ... -
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 0.63A@10V with ... 78HT205V"[/QUOTE]
The 1.85A PSU would give 900mA ... /> (active) +300mA
Interface 1: +60mA
IF1 + Microdrive (rest ... -
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 0.63A@10V with ... from the external ?9V? power supply. Some of the current ... noise escaping via the dc power cord.
[QUOTE ... chips have foldback current / power limiting protection circuits. The exact ... -
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 it runs cool ... -
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…
... br /> Recom R-785.0-1.0
[url]https ... -power/r-785-0-1-0/converter-dc-to-dc-1- ...
Traco Power TSR 1-2450
[url]https://www.rapidonline.com/tracopower-tsr-1-2450-single-output ... http://uk.farnell.com/tracopower/tsr-1-2450/converter-dc-dc-5v- ... -
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…
... 4116's decoupling caps 1-8 with - Murata 1μF Multilayer Ceramic ... %
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 its legacy ... -78SR-5 5v 1.5a, or even the Traco Power TSR 1-2450 5v 1a switch ... MuRata, or if the 1a Traco is sufficient. I would suspect ... that the 2a Traco would be complete overkill in ... -
Spectrum in a BoxI had a Spectrum+ sitting around for quite some time collecting dust. The case wasn't much to look at, and the keyboard was already missing two keys.…
... 5V voltage regulator replaced with Traco TSR 1-2450 to get rid of ... , the 9V from the power supply is available via banana ... features:
Arduino 1) provides a PS/2 keyboard ... Microdrive port of the Interface 1. It provides Microdrive emulation ... -
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…
... ://www.tracopower.com"]Traco Power[/URL] has the TSR 1-2450 which I've used ... -
DiscipleI have got a Disciple Disk Interface, with no manual, software. I have downloaded the PDF Manual from WOS, which says I have to load the operating…
... a better power
regulator. I will fit a Traco TSR 1-2450, which is ... a drop in replacement
for the 7805 power ... -
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 …
Switching mode power supplies for the ZX ... : it is to fit a TSR 1-2450 switching regulator :-
Traco 78HT205V for a Toastrack ... similar type . Well the Traco ones are "drop in" ... harder to source that the Traco:-
[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 …
... ://uk.farnell.com/recom-power/r-78b5-0-1-5/converter-dc ... -dc-1-5a-5v-sip3/dp/1793163[/url]
The Traco ... ="http://uk.farnell.com/tracopower/tsr-1-2450/converter-dc-dc-5v-1a ... =true"]uk.farnell.com/tracopower/tsr-1-2450/converter-dc-dc-5v-1a ... -
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 …
... knew it was called the Traco TSR 1-2450 . But the two suppliers had ... converter , fixed ,SIP , through hole , 1 output , 5W ,5V
power transistors, MOSFETs, voltage regulators, power diodes, triacs, power resistors, etc ... -
Interference when using modern PSUMy 48k revision 3 spectrum with a basic 1 wire composite video mod works perfectly with the original power supply. However When I use a modern regula…
... basic 1 wire composite video mod works perfectly with the original power ... . I've ordered a TRACOPOWER TSR 1-2450 to replace the regulator (for ... -
48k issue 2 boardsJust picked up a rubber key issue 2, faulty membrane as usual, cracked at the top so trimming not an option (ill be ordering soon Rich!) What strikes…
... post) the LM7805 ("power chip" ) with a Tracopower - TSR 1-2450, 1 amp version, ok ... ]http://uk.farnell.com/tracopower/tsr-1-2450/converter-dc-dc-24v-5v ... -
48k issue 2 boardsJust picked up a rubber key issue 2, faulty membrane as usual, cracked at the top so trimming not an option (ill be ordering soon Rich!) What strikes…
... post) the LM7805 ("power chip" ) with a Tracopower - TSR 1-2450, 1 amp version, ok ... ]http://uk.farnell.com/tracopower/tsr-1-2450/converter-dc-dc-24v-5v ... -
48k PSU UpgradeCan anyone give the definitive word on a PSU upgrade (rather than just a replacement) for 48k machines? I'm thinking of adding at least an IDE inter…
... that Recom also has a 1.5A rated version, reading the ... from Tracopower TSR1 series (Tracopower TSR 1-2450, also rated for 1A). Added ... /> [URL="http://www.recom-power.com"]www.recom-power.com[/URL] (Switching ... -
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…
... new model, such as the TSR 1-2450 that I was advised would ... produce any heat, are more power efficient, and you can sack ... -
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 …
... search around to get the Traco base cost , ex Vat ... knew it was called the Traco TSR 1-2450 . But the two suppliers ... , fixed ,SIP , through hole , 1 output , 5W ,5V
Traco TSR 1-2450 code number notation" ,so what ... -
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 …
Fitting a Traco Power TSR-2450
they arrived today . ... -
48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…
... the lm7805 with a Tracopower - TSR 1-2450 (thanks to -Micky), and made ... -
7805 Regulator HelpI am hoping to replace the 7805 regulator in my issue 3 48K Spectrum soon. Unfortunately I don't know exactly what to buy to replace it with (my fat…
I use a TSR 1-2450 with 1 ampere from Tracopower.
It is a very good item with 3 years warranty. It is fully pincompatibel to the 7805. No heatsink is requiered. It stays very cool.
Micky -
RECOM pin compatible DC-DC 7805 regulator replacementsFinally got myself sorted out now. If you want to purchase chips send me an email to [email]alistair@alistairsserver.no-ip.org[/email] with your payp…
What difference has with Tracopower Tsr-1 2450?
Thanks!! -
RECOM pin compatible DC-DC 7805 regulator replacementsFinally got myself sorted out now. If you want to purchase chips send me an email to [email]alistair@alistairsserver.no-ip.org[/email] with your payp…
[QUOTE=Mobutu;551879]What difference has with Tracopower Tsr-1 2450?
Thanks!![/QUOTE]
Looks more or less identical to that device.
Datasheet here [URL]http://www.recom-international.com/pdf/Innoline/R-78xx-1.0.pdf[/URL] -
Harlequin 128k??Hi peeps... I've seen that you can do a 128k version of the Harlequin board. Is it just the standard board with different chips or is it a dif…
i got one of these as digikey wanted £12 postage
http://uk.farnell.com/tracopower/tsr-1-2450/converter-dc-dc-5v-1a-sip/dp/1696320?MER=BN-bn_cart_11696320
