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<1…21222324252627…34>
  • DivIDE HelpHi all, After a rather long wait my DivIDE from Papaya labs arrived. I connected it to my spectrum, turned it on and...nothing. The green power LED…

    ... circuit, the regulator plus 2 capacitors).

    Also make sure ...
    Winston Winston February 2008 Hardware
  • QL power connector pinoutHi. Can anyone tell what's the pinout of the power connector on a ql and which are the specs of the psu? Pin 2 is gnd, i guess. [URL]http://img230…

    ... did not have any decoupling capacitors on the board :-o
    IN31 IN31 February 2008 Hardware
  • Giving up the internet for a whileInspired by a friend doing the same recently, I've decided to take a break from recreational internet usage for a while. I'm allowing myself to use e…

    ... regards my shock about decoupling capacitors being retro fitted to memory ...
    IN31 IN31 February 2008 Chit chat
  • Giving up the internet for a whileInspired by a friend doing the same recently, I've decided to take a break from recreational internet usage for a while. I'm allowing myself to use e…

    ... regards my shock about decoupling capacitors being retro fitted to memory ...
    rich_chandler rich_chandler February 2008 Chit chat
  • Issue 1 ZX Spectrum for SaleBefore I go down the route of shoving this on ebay, I would like to offer fellow WoSsers the opportunity to express their interest in this item. It …

    ... a pack of 4 large capacitors soldered to the daughterboard - wonder ... battery backed memory (until the capacitors discharged ?)

    Hmm - not ...
    rwap rwap April 2008 Sales
  • Speccy 128 QuestionMainly for the experienced speccy resurecters around these parts. Have you ever had a Speccy 128 with a borked TEA2000 video chip? The reason I ask…

    ... it also be a faulty electrolytic capacitor Ingo? I had spectrums ... almost invisible, replacing all the electrolytic caps fixed it. In these ...
    gtsamour gtsamour April 2008 Hardware
  • Darkening of aging CRT monitors / PowerstripI'm using a CRT that I got way back in 1999, and it's still working, but the screen seems to have gradually darkened over the past few years. I think…

    ... lethal voltages inside (especially watch capacitors).
    Winston Winston April 2008 Chit chat
  • Spectrum 48K colour problemI obtained Spectrum 48K issue 2 in verry good condition. Machine work very good, but picture on my Samsung TV (72cm diagonal flat 100 Hz) is little s…

    ... screw driver, (not the variable capacitors, which are a bit higher ...
    gtsamour gtsamour April 2008 Hardware
  • Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…

    ... quite a bit - the decoupling capacitors are supposed to stop it ...
    Winston Winston May 2008 Hardware
  • Spectrum 48K input voltageI have a power supply that is rated 9,5 Volts DC. With no load it outputs about 9,86 Volts. Is it safe to use it for ZX Spectrum 48K? (it can do …

    ... placing a 10000µF / 16V electrolytic capacitor parallel to its output ...
    ingo ingo May 2008 Hardware
  • OT: Removing the metal shield of an Amiga A501 ram expansionBefore I bugger off to an Amiga forum, I just wondered if anyone here has removed the metal shield off an A501 (to swap out a leaky battery) without …

    ... surrounded by the smallest resistors/capacitors/coils you've ever seen ...
    MikeW MikeW May 2008 Hardware
  • 48K specs boots, but THEN blinking blocks!Of all ZX problems I have seen, the 'blinking blocks' is the most common... Today I picked up a 48K, it boots and THEN it locks filling the screen wi…

    OK, I will check that. It would be a good explanation, as the guy I got it from says he stored it working, 17 years ago... That the membrane would be gone, is not so weird.

    Which capacitors to check first? Can I see they have been leaking?
    georgedb georgedb May 2008 Hardware
  • 48K specs boots, but THEN blinking blocks!Of all ZX problems I have seen, the 'blinking blocks' is the most common... Today I picked up a 48K, it boots and THEN it locks filling the screen wi…

    Anything electrolytic. They tend to have limited lives, and it won't hurt to replace them all anyway.
    Winston Winston May 2008 Hardware
  • AudiophoolsGood grief, there must be some really gullible audiophiles about if Denon is selling this: [url]http://www.usa.denon.com/ProductDetails/3429.asp[/ur…

    ... improvements to the CD63SE (tha capacitors). Now this I can see ...
    Scottie_uk Scottie_uk June 2008 Chit chat
  • AudiophoolsGood grief, there must be some really gullible audiophiles about if Denon is selling this: [url]http://www.usa.denon.com/ProductDetails/3429.asp[/ur…

    ... improvements to the CD63SE (tha capacitors). Now this I can see ...
    beanz beanz June 2008 Chit chat
  • I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…

    ... (good quality low ESR decoupling capacitors) on its power supply, and ...
    Winston Winston July 2008 Hardware
  • PSU queryHi all, just one quick question. Are Spectrum PSU's compatible with ZX81's? I've just bought an '81 off of Ebay, which was sold as "working, but the …

    ... -solder em) or dried out electrolytic cap,
    both fixes are ...
    bleugh bleugh July 2008 Hardware
  • Silent low power serverLooks like my server has troubles with overheating again, both due to the failing case fans and stupid CPU frequency governor problems. Instead of fi…

    ... our house down due exploding capacitors and the like while I ...
    Patrik Rak Patrik Rak August 2008 Chit chat
  • Build your own Pentagon 1024SLAlexey aka KingOfEvil was so kind to give me an english manual for the Pentagon with most (except for the floppy controller) chips adapted to "wester…

    ... I just encountered 2 exploding capacitors.

    EDIT3: 8MHz mode ... without those).
    About the capacitors ... appears I pulled an uh ...
    Shockwav3 Shockwav3 September 2008 Hardware
  • ZX Spectrum external keyboardI picked up this keyboard at the flea market a couple of days ago. It was being sold together with a Speccy, PSU and cables but since I only wanted t…

    ... inside (probably gate arrays), an electrolytic capacitor, a number of resistors ...
    Half-Saint Half-Saint September 2008 Hardware
  • Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…

    ... can add a big capacitor (electrolytic) of about 220µF and ...
    ingo ingo September 2008 Hardware
  • Sinclair PC 200 - RF questionIs there any compatibility regarding the RF output of the sinclair pc 200? This week i got my 2nd unit and in both of them, when connected through R…

    I have a similar problem with my Pentagon (the DIY Speccy you know) currently. Best approach would be to change all capacitors connected to the modulator/video encoder chip (MC1377p or similar) to high frequency (glimmer or NPO) ones.
    Shockwav3 Shockwav3 September 2008 Hardware
  • Found 128k +2 in the garbageHey there, I had a 48k Plus when I was a kid (still have, actually), and used to play in a friends 128k +2, so I know the basic of these computers. …

    ... sure you can replace the electrolytic capacitor inside the power supply ...
    ingo ingo October 2008 Sinclair Miscellaneous
  • +2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …

    ... OK to use higher voltage capacitors (more expensive) but you should ...
    gtsamour gtsamour November 2008 Hardware
  • +2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …

    ... /> You can always use 2 capacitors connected in parallel. Just tie ...
    FrankT FrankT November 2008 Hardware
  • +2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …

    ... /> Most of the modern miniature capacitors are about half the size ... double the voltage. Using 2 capacitors in parallel is not really ...
    FrankT FrankT November 2008 Hardware
  • +2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …

    ... I noticed about the old capacitors is that besides being larger ...
    gtsamour gtsamour November 2008 Hardware
  • +2 grey PSU capacitor changeHi I opened up a +2 grey power supply (2.1A max output) unit in order to replace the aged electrolytic capacitor inside, just like I always do with …

    ... too.

    All decoupling capacitors inside the Spectrum are connected ...
    roko roko November 2008 Hardware
  • PAL-I to PAL-B on a grey +2Hello. A friend brought over a grey +2 from the UK. The tv sets over here are PAL B/G and i can't tune the sound because of the frequency of the sou…

    ... the TEA2000 and resolder this capacitors to the emitter of the ...
    ingo ingo December 2008 Hardware
  • 4116 DRAM for 48KSomeone told me I got faulty RAM in my broken 48K. They should be 150ns, right? What would be a good place to buy them from?

    ... conversion circuitry (various transistors, resistors, capacitors, coil etc) could go. Next ...
    RetroTechie RetroTechie December 2008 Hardware
<1…21222324252627…34>

Latest Posts

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