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Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …
... . The Speccy has a small power supply to produce other voltages: +12v ... (awful devices that require 4 power supply pins - 0v, 5v, -5v ... how "stiff" the Spectrum's power supply is, but it's also ... failed RAM rather than failed power circuits. Also, checking the ... -
toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
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Anyway, on checking the power supply voltages:
With a ... The Speccy has a small power supply to produce other voltages: + ... (awful devices that require 4 power supply pins - 0v, 5v, -5v ... "stiff" the Spectrum's power supply is, but it's also ... -
toasted soeccysHello, ive jsut bought a pair of speccys on ebay (one 16k issue 2 & a prob 48k issue 3) unfortunaly the genius who sold them tried to see if the wor…
... Issue 2 suggests that the power supply that generates some of the ... (+12v) is a switch mode power supply, which gets regulated by feedback ... -
WOOOH nice find today :)all my retro game goodness came today :P nearly orgasmed in a charity shop today as i came across all the following .....boxed a gamegear (with powe…
Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
[QUOTE=obo;177352]Oh, and I want to see faulty upper RAM emulation for the 48K model...
Si[/QUOTE]
How about dodgy power supply emulation whilst we're at it?Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
... =Matt_B;177353]How about dodgy power supply emulation whilst we're at ...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…
... out to be a weak power supply which was only just putting ... to cause things to not power down, but not entirely work ...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…
... so much the power brick, but the internal power supply - perhaps a weak ... honest that seems unlikely. Internal power supply problems, I'd more expect ... with the little switch mode supply than the 7805, but the ...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…
... out to be a weak power supply which was only just putting ... to cause things to not power down, but not entirely work ... checking for ripple in the power lines. That's a big ...About the Cronosoft GamesHello everybody, I just want to comment one thing that happens with the Cronosoft Games. I Load them on my Spectrum+2A and I have seen that most of t…
... fixed by getting a new power supply (or perhaps it was the ... power socket in the back,hmmm). ... , well. Maybe it is the power socket after all(???)
EDIT ...About the Cronosoft GamesHello everybody, I just want to comment one thing that happens with the Cronosoft Games. I Load them on my Spectrum+2A and I have seen that most of t…
... fixed by getting a new power supply (or perhaps it was the ... power socket in the back,hmmm). ... , well. Maybe it is the power socket after all(???)
EDIT ...On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
Also test the power supply transistors! Do you have the voltages to run the lower RAM?
Test TR3, that'll make the lower RAM appear dodgy if it's gone.
Test IC28 74LS04 too.On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
... 4116s are not single supply and the supply voltages must all be ... not work correctly), then the power supply circuit on the Spectrum itself ... you've probably checked the power brick on the other machine ... by a small switch mode power supply.On a 48K issue 6A......how can i isolate the 32K block? I want to test if there is any fault on the 4116's , leaving the 4532's out of the equation. Will removing the …
... ;179569]Also test the power supply transistors! Do you have the ... work correctly), then the power supply circuit on the Spectrum itself ... probably
checked the power brick on the other machine ... by a small switch mode power supply.[/QUOTE]
...divIDE problemsI have built one up and so far cannot load anything. The divIDE welcome screen comes up detects the drive.. 0 Seagate Technology 12 LBA 1 None 0 v…
... an MB02) from a +3 power supply. I'm not really a ...Is this power supply ok?[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=160104076665&fromMakeTrack=true[/url] I've bought a few items from this eBay seller and ne…
... not so sure about this power supply. If it's 100% safe ...Is this power supply ok?[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=160104076665&fromMakeTrack=true[/url] I've bought a few items from this eBay seller and ne…
... ]http://cgi.ebay.com/REGULATED-POWER-SUPPLY-2A-3-4-5-6 ...I last visited 2 weeks ago because....I came home drunk from the pub, tripped over the ethernet wire, pulled the laptop of the table and trashed the hard-drive. I have now replaced the …
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I burned the internal power supply out on my PC, then ... a power surge destroyed the replacement about ...External power supply for SpectrumsWrong title. What I meant was 'Battery pack to use Speccy on the go'. I visited batterygeek.net, explained what I wanted to do with my spectrum, and…
... to remember is that the power supply has to be able to ... no upper limit of usable power supplies regarding capability of delivering ...EPROM Programmer?I'd like to pick an eprom programmer up for trying new roms with my +3 and my BBC Master (I need some extra roms to make it useable with my GoMMC any…
... [I]does[/I] use external power. I read on Willem's ... to use the USB to power these things. It really depends ... the work with an external power supply. Also, the USB powered programmers ...Wanted a grey +2 specturm and extras[FONT="Comic Sans MS"][SIZE="4"]Hi as some of you know i am after my first speccy or specturm and been informed that getting a grey version +2 spectu…
[B][FONT="Comic Sans MS"][SIZE="4"]Hi again
I still want a 128k version of the Sinclar Spectrum but a model without a inbuilt tape player so its like the 48k version but higher memory,i also require a seprate tape player,I am serious about this so is ...Wanted a grey +2 specturm and extras[FONT="Comic Sans MS"][SIZE="4"]Hi as some of you know i am after my first speccy or specturm and been informed that getting a grey version +2 spectu…
[QUOTE=spectbeginner;184369][B][FONT="Comic Sans MS"][SIZE="4"]Hi again
I still want a 128k version of the Sinclar Spectrum but a model without a inbuilt tape player so its like the 48k version but higher memory,i also require a seprate tape player,I ...Wanted a grey +2 specturm and extras[FONT="Comic Sans MS"][SIZE="4"]Hi as some of you know i am after my first speccy or specturm and been informed that getting a grey version +2 spectu…
... but i will need a power supply for the 128k heatsink see ... to get hold of ie power supplies [/FONT]Wanted a grey +2 specturm and extras[FONT="Comic Sans MS"][SIZE="4"]Hi as some of you know i am after my first speccy or specturm and been informed that getting a grey version +2 spectu…
... but i will need a power supply for the 128k heatsink see ... to get hold of ie power supplies [/FONT][/QUOTE]
power supply (and there is one in ...The day after... (25year hardware woes)...so there we were, about to play some ROM-cartridge games on my grey +2... but it didn't seem to like the Ram Turbo interface, won't even boot, ju…
... failed (either because the internal power supply failed or the chips themselves ...RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
Thank you Womble and Geoff for the information of the pin out for the MA-20. I?m not sure how to get round it needing a 12v supply. I might try connecting an external 12v power supply just to see if I can get it to work in RGB mode.Missing Voltage RegulatorHello all and a very merry 2-days-after-the-speccys-25th-birthday to you all! Okay, I've just received my brand spanking new 48K keyboard membranes …
... /+12v is generated from a power supply circuit which is not fed ... in your area don't supply something suitable. You can use ...TIPP31 transistor questionYesterday I had the time to try and repair a 4S issue 48k spectrum I had. First of all I replaced all the electrolytic capacitors. The tr4 transistor…
... the current draw on the power supply is compared to a non ... draw from the Spectrum's power brick from a normal machine ...TIPP31 transistor questionYesterday I had the time to try and repair a 4S issue 48k spectrum I had. First of all I replaced all the electrolytic capacitors. The tr4 transistor…
... stuff that draws on that power supply are the 4116 memory (the ... The ROM is a single supply 5v chip that runs entirely ... digital parts are single 5v supply off the 7805 too. ... the Speccy's switch mode power supply - it's probably quick ... but powered by the supply.
