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Search Again :: Adv Search 1000 results in 0.002s
<1…20212223242526…34>
  • Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…

    ... . I was reffering to the capacitors! You need to trim them ...
    DEATH DEATH July 2007 Sales
  • Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…

    ... . I was reffering to the capacitors! You need to trim them ... ]

    I trimmed the capacitors too but nada! What else ...
    gtsamour gtsamour July 2007 Sales
  • Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…

    ... =gtsamour;201856]I trimmed the capacitors too but nada! What else ...
    DEATH DEATH July 2007 Sales
  • Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…

    ... in the centre of them, capacitors that have exploded. To be ...
    DEATH DEATH July 2007 Hardware
  • Does anyone have any working Ferranti's?Does anyone know where I might get hold of a Ferranti ULA5C112E-3?? I think this is the problem with one of my rubber key 48K's as it otherwise wor…

    ... . I have tested all the capacitors and all seem to be ...
    +2MAN +2MAN July 2007 Sales
  • Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …

    ... ) by adding a 1uF, 16V electrolytic cap at the regulator's ...
    Marcelo Marcelo July 2007 Chit chat
  • Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …

    ... the circuit? Or do those electrolytic caps have quite a resistance?
    wilsonsamm wilsonsamm July 2007 Chit chat
  • Voltage SchmoltageOk then. Don't flame for wanting to use a C64 tape deck for this - it was the only one I have to hand which may be cannibalised for the purpose. So …

    ... you connect the input, the capacitors will charge up (in very ... inrush of current into the capacitors. When you apply power, the ...
    Winston Winston July 2007 Chit chat
  • Has the airport scanner killed my laptop??I am now in the USA and am writing this from my Best Western Hotel room. I am basically in the sh1t a little bit. Rather than fork out for a new la…

    ... 'm wondering if any weak capacitors may have been tiped over ...
    Scottie_uk Scottie_uk August 2007 Chit chat
  • ZX81 power supplyFriend gives me ZX81 without power supply and i want to test whether he work or not. Can i use Spectrum p.supply for that purposes? I dont want to d…

    You have too much ripple on the PSU output - try using a large electrolytic cap in circuit with it.
    DEATH DEATH August 2007 Hardware
  • scanning boards with EPROMs?I have a number of expansion boards (for the ZX81) that have EPROMs on them. I'd like to scan the boards for preservation - you get a much better pi…

    ... be in nice focus (especially electrolytic caps) but the tracks and ...
    Marcelo Marcelo August 2007 Hardware
  • I've got a divIDE. Now what?I've purchased a divIDE and after a month it's at home. What can I do now with that? I've got a 48k+, a +2B and a +3. The +2B has the original ROMs,…

    ... dodgy wiring hack using resistors, capacitors, and a bloody great tranny ...
    icabod icabod September 2007 Hardware
  • PC power source and Spectrums.I'm planning to use a basic PC ATX power source (300W) for all my sinclair equipment, but I have two questions: - I've read about some nasty things …

    Because the use of fast fuses the tend to burn because of spikes while charging electrolyt capacitors or while start sequenze of switching regulators, ok 4A is not neccessary.

    Ingo.
    ingo ingo October 2007 Hardware
  • Recent Returnee to the spectrum fold needs hardware adviceHi all. Thanks for taking the time to read this. This is my first post to this forum after I stumbled on this site just a few weeks ago, i only reg…

    ... components are normal sized resistors capacitors transistors and ICs correct?
    Modern Games are rubbish! Modern Games are rubbish! October 2007 Hardware
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... 4 ICs some wires, 4 capacitors and some resistors to be ...
    ingo ingo October 2007 Hardware
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... useful things like bags of capacitors, timers, 7805 regulators and various ...
    Winston Winston October 2007 Hardware
  • I smell burning!!I smelt burning, I have just checked my router and seen that it has began to melt :eek: The top of my netgear router is covered in brown plastic bli…

    ... a capacitor melt down, two capacitors has leaked and were litterally ...
    Scottie_uk Scottie_uk October 2007 Chit chat
  • I smell burning!!I smelt burning, I have just checked my router and seen that it has began to melt :eek: The top of my netgear router is covered in brown plastic bli…

    ... a capacitor melt down, two capacitors has leaked and were litterally ...
    beanz beanz October 2007 Chit chat
  • I smell burning!!I smelt burning, I have just checked my router and seen that it has began to melt :eek: The top of my netgear router is covered in brown plastic bli…

    At work we do component level repair of equipment. One of our Engineers specialises on repairing switch mode power supplies and monitors. Nearly every fault he deals with is caused by an electrolytic capacitor failing.
    IN31 IN31 October 2007 Chit chat
  • Irrelevant QuestionThis is an indeed irrelevent to the speccy scene question but since i searched and i searched and coulnd't find any help elsewhere, i desided to ask …

    ... a regular capacitor because other capacitors in this board are symbolized ...
    gtsamour gtsamour October 2007 Hardware
  • 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…

    ... FM [fully compatible])
    Resistors/capacitors/transistors/etc: 30€ (add 15 ...
    Shockwav3 Shockwav3 November 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    ... crystals (they look like wide capacitors, possibly silver in colour, possibly ...
    Phu Phu December 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    ... crystals (they look like wide capacitors, possibly silver in colour, possibly ...
    Johan Johan December 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    ... 12V line, caused by faulty capacitors in the psu, can cause ...
    Pilsener Pilsener December 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    ... 12V line, caused by faulty capacitors in the psu, can cause ...
    Johan Johan December 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    ... check the C44 and C45 capacitors...
    Gods Gods December 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    ... at a 4116 chip. Both capacitors look fine.

    [QUOTE ... check the C44 and C45 capacitors...[/QUOTE]
    Johan Johan December 2007 Hardware
  • Composite Video output problemHi everyone, I?ve got a problem that?s really bugging me. I have one Spectrum 48K and one Spectrum +3, both with Composite Video output modification…

    [QUOTE=Johan;232152]I have 8.24V at pin 8 at a 4116 chip. Both capacitors look fine.[/QUOTE]
    Unsolder one leg of R62 resistor (15 Ohm) and check again. It don't matter if the capacitors look fine, you have to test it or replace then...
    Gods Gods December 2007 Hardware
  • DRAM (:baffled:)Hi, Can someone explain to me the definitive rules on DRAM access times in terms of suitability for a particular speed of processor? Specifically, …

    ... should work. Use low ESR capacitors, and get them as close ... as possible. You can use capacitors in parallel too.

    Winston Winston January 2008 Hardware
  • Ethernet blog updated......today, we send our first packet and run into a bit of a gnarly snag: [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url]

    ... an LDO regulator and associated capacitors is several pounds less than ...
    Winston Winston January 2008 Hardware
<1…20212223242526…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    John Elliott on April 21
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    rich_chandler on April 21
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    mel the bell on April 20

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