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A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
ZX resurrectionHi, I'm currently trying to resurrect my old zx spectrum 48k. I managed to fetch proper power supply and tv cables and was pleased to discover that i…
... . I managed to fetch proper power supply and tv cables and was ...WTB: Spectrum 128 with composite modI would like to get into Spectrum which is difficult since it was never released in the US (argh).. Does anyone have a Spectrum with 128k with a com…
... have to get a different power supply.
Thanks ...I broke my 48k Speccy!!!!Hey guys, I am looking for some advice, I hope you can point me in the right direction. So, I went about replacing all the capacitors on my issue 4…
... limited protection with my bench power supply.
The display area ...IDEA: ZX Spectrum dock.[LIST] [/LIST]The ZX Spectrum dock Inspired by my foray into RGB/SCART cables and my XPS 12 dock: [IMG]http://i.dell.com/sites/imagecontent/product…
... by the normal Spectrum power supply, from the dock would ... show if the Spectrum has power or not.
... Spectrum a better 9v supply thus reducing the work ... we have a good power source we can provide all ... the power requirements of the SCART ...ZX Spectrum+ video ? red on green problemThis is my first post on the forum, so let me introduce myself. I am retired for several years. For 30 years I have been a fan of the ZX Spectrum. I …
... improvement.
I measured the power supply voltages at the relevant circuit ...ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... tests suggest no faults.
- Power on: 600 mA @ 9 V ... suggests 48K operation. All expected power supply voltages present.
- Confirmed ... and new Z80.
- Power on: 530 mA @ 9 V ... details/4043[/url]
4. Power Supply (UK plug)
5. Grundig ...ZX Printer TroublesI've had a ZX printer sat about on the side for a while now and I eventually found the time and decided to try it out. I've hooked it up to a 48k Spe…
... doesn't have its own power supply so I'm using a ... to establish that it has power.
[*]Belt is intact and ...My experience with a ZX Spectrum clone called Elwro 800 JuniorAfter a long break in using this forum (modellrailroading is my main hobby) I'm back and want to tell something about an interesting ZX Spectrum clon…
... Erfurt (sign MME).
The power supply is built into the computer ... FDDs (the only problem is power supply). The original FDDs provided two ... drives and a power supply for them and that was ... CD copier, now with only power supply in it. Next step ...Help!!! Loading problems.Hey guys. Just got my first spectrum sonce I was a kid. It's a 128k + toastrack. Was hoping to load tzx files from my phone. I've tried 3 different c…
Testing ZX81 Power SupplyForgive the total noob question, but I have a ZX81 UK 700 PSU (and no ZX81) - how would I go about testing it is giving the correct output? I have a…
Forgive the total noob question, but I have a ZX81 UK 700 PSU (and no ZX81) - how would I go about testing it is giving the correct output? I have a multimeter, but am not really sure what I'm doing with it (I know - I shouldn't be allowed near electronic ...128 Amstrad model wantedI'm looking for a fully working Spectrum 128 Amstrad model, with power supply. Cash waiting or I have a nice CPC 464 with power supply and Scart and …
I'm looking for a fully working Spectrum 128 Amstrad model, with power supply. Cash waiting or I have a nice CPC 464 with power supply and Scart and plenty of cassette games to throw into the deal maybe ?? I'm near Chester (UK)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-| ) and ... installed. Lo and behold - initial power on reveals duff 7805 and ... 's supply legs, and replace the 7805 with a Traco Power DC ... snip all lower RAM chips supply legs. Switch back on and ...Help with TV repairHi spec-chums. I'm looking for some help with a repair I'm doing on a Polaroid P40LED13 TV. It's problems are there is no picture at all, no backligh…
... first started checking the power supply board. The power supply is a Vestel 17IPS20 ...Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... clock input and a good power supply, then it should never stop ... , 12 V and 0 V power supply rails. I can't remember ... V on the 5 V supply. There is not normally a ...Issue 3B turning offI'm trying to save a Spectrum Issue 3B. I restored the power supply section, changing the 7805, TR4, and TR5, besides all electrolytic capacitors. No…
... Issue 3B. I restored the power supply section, changing the 7805, TR4 ... some more failures on the power supply section but I'm clueless ...SD Card Tape PlayerHi, I purchased one of these from China and just wanted to ask a few questions before I break into the packaging. I see it comes with a power supp…
... see it comes with a power supply. Is this needed when its ... how do you attach the power lead to a closed cassette ...Are there any differencies between Speccies in different countries?I am asking for differencies of ordinary Speccies, not clones. Can I travel to foreign country, buy Speccy from fleamarket and except it will run at …
... ? Can I just buy some power supply with voltage selection switch from ...How many interfaces can be paired up together (as a combo) on the Speccy's back edge connector?Well some would say none as it puts too much of a power strain on the Speccy's power supply . So ignoring this aspect the same question can be asked …
... much of a power strain on the Speccy's power supply . So ignoring ...Can't tune in to ZX SpectrumHi, I started this discussion a while back on another forum and so I thought I start it here. I can't tune in to my 2 ZX Spectrum's. One is SCART wit…
... which doesn't work. The power supply is OK, It is my ...Harlequin Rev G - Decoupling Capacitors?Guys - I started assembling my Rev G Harlequin board over the weekend. Right after I picked it up and started loading parts, it struck me that there…
... di/dt demands on the power supply and should have good local ... that might be attributed to power supply decoupling issues?
I ...ZX Spectrum border and sound problemAfter recap stange problem with ZX Spectrum (issue 3b) with sound and border. See video at: [url="https://drive.google.com/file/d/0BwhYHKW6xjI-aVdMcE…
... /> I was try with different power supply, same thing like original. Does ...ZX Spectrum border and sound problemAfter recap stange problem with ZX Spectrum (issue 3b) with sound and border. See video at: https://drive.google.com/file/d/0BwhYHKW6xjI-aVdMcEY4ajVk…
... /> I was try with different power supply, same thing like original. Does ...ZX Spectrum 48k Model 2 won't workHi, I started this discussion a while back on another forum and so I thought I start it here. I can't tune in to my 2 ZX Spectrum which are both Mode…
... which doesn't work. The power supply is OK, It is my ... .S I have done the power tests on the 2nd one ...ZX81 Ram pack problemI got recently Sinclair 16k memory expansion for my ZX81, but for some reason it will not work. The computer itself is operating normally without hi…
... /> I have the original ZX81 power supply and computer runs well with ...Spectrum 128k +2 video issueHi Guys, I just got a Spectrum 128k +2 from ebay. It came with its power supply and the scart video cable. The machine is working pretty good but …
... ebay. It came with its power supply and the scart video cable ...Graphics Cards, is it all smoke and mirrors?Back in 2010. I brought a mid range graphics card, an ATI Radeon HD450. I remember it and cards on the next rung up the ladder having two ostentatiou…
... with one or two extra power ports required and an advisory ... the requirements for a meaty power supply.. Fast forwards 6/7 years ... and this or better GPU power can be found on the ...British Airways Systems Failure.So unless you have been living under a rock for the past 24 hours, you will have learned that British Airways (BA) have had a major IT systems failur…
... Attack. However, they site a power supply failure as the root cause ... that be hobbled by one power-supply, never mind even one failing ... them public humiliation. So the power supply thing is just something to ...Ebay find: Arduitape (virtual tape deck)Hi fellow Spec-Chums I just came across this interesting-looking thingy on ebay and thought i'd share with you guys: [img]http://i.ebayimg.com/imag…
Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…
... condition: carton, polystyrene insert, power supply. No indication of when it ... case (not unexpected). The power supply connector end was poorly ... been using a generic adjustable power supply for now.
power terminals of each with ...
