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  • Going to shell out for it again? - Dizzy thread![url]http://www.eggcitingnews.com/[/url] [IMG]http://www.eggcitingnews.com/images/main.jpg[/IMG]

    [QUOTE=sack;586085]nope - the 3G is restricted to 4.2.1[/QUOTE]

    How annoying?! I kinda know how you feel though, apparently the forthcoming [I]GTA 3[/I] port will only be compatible with iPad and iPhone 4S. I have iPhone 4. Annoying!
    GreenCard GreenCard December 2011 Chit chat
  • Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…

    ... source be the base of Tr4, then it is hard ... to believe that TR4 does any work at all ... equals that of Vc of TR4.
    This brings the ... the moment that you take Tr4 out, you might check this ... . When exchanging Tr4 and Tr5 does not solve ...
    roko roko December 2011 Hardware
  • Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…

    ... have to anyway solder out Tr4. Let me update by later ...
    maskenlos maskenlos December 2011 Hardware
  • Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…

    ... for running such Iss2 without Tr4. I think a design flaw ...
    roko roko December 2011 Hardware
  • Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…

    ... successfull. Still indeed, after taking Tr4 out, the Iss2 was working ... a recently rewound one, exchanged Tr4 and TR5 and D11, and ...
    roko roko December 2011 Hardware
  • faultyi have a zx48 that will not tune in it allways seems to be just out of tune what could cause this fault also half of the keyboard doesnot work there …

    ... be possibly expecting to see TR4 being overloaded and almost certainly ...
    guesser guesser December 2011 Hardware
  • Repairing another Issue 2 48K Spectrum.I said at the start of the other thread that I've got another one of these and I've started investigating it. The board is more-or-less exactly the …

    ... did the same splitsecond test, TR4 (BC877 for me) still had ...
    roko roko December 2011 Hardware
  • Issue 2 voltage troubleDear all, I got my hands on an old issue 2 from a friend. Price was close to zero so I did not hesitate to take it. After powering it up I was sur…

    ... for Tr5 and BC487 for Tr4 and Speccy was working again ...
    maskenlos maskenlos December 2011 Hardware
  • Meanwhile, in the wacky world of EbaySomeone's in for a disappointment this Christmas: [url]http://www.ebay.co.uk/itm/270877361678[/url] [URL=http://imageshack.us/photo/my-images/710/e…

    iphone 4s "box"

    the seller ...
    fog fog December 2011 Chit chat
  • Meanwhile, in the wacky world of EbaySomeone's in for a disappointment this Christmas: [url]http://www.ebay.co.uk/itm/270877361678[/url] [URL=http://imageshack.us/photo/my-images/710/e…

    ... .uk/itm/Genuine-Black-IPhone-4s-16GB-Box-Only-no-Phone ...
    fog fog December 2011 Chit chat
  • Meanwhile, in the wacky world of EbaySomeone's in for a disappointment this Christmas: [url]http://www.ebay.co.uk/itm/270877361678[/url] [URL=http://imageshack.us/photo/my-images/710/e…

    ... .uk/itm/Genuine-Black-IPhone-4s-16GB-Box-Only-no-Phone ...
    TechnicianSi TechnicianSi December 2011 Chit chat
  • Meanwhile, in the wacky world of EbaySomeone's in for a disappointment this Christmas: [url]http://www.ebay.co.uk/itm/270877361678[/url] [URL=http://imageshack.us/photo/my-images/710/e…

    ... .uk/itm/Genuine-Black-IPhone-4s-16GB-Box-Only-no-Phone ... me:
    "Genuine Black IPhone 4s 16GB"

    Less than ...
    ZnorXman ZnorXman December 2011 Chit chat
  • Meanwhile, in the wacky world of EbaySomeone's in for a disappointment this Christmas: [url]http://www.ebay.co.uk/itm/270877361678[/url] [URL=http://imageshack.us/photo/my-images/710/e…

    ... me:
    "Genuine Black IPhone 4s 16GB"
    [B]
    Less ...
    fog fog December 2011 Chit chat
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... to do is to change TR4 ZTX650?

    Would I ... is the circuit that includes TR4) is working correctly. You can ... also subsitute TR4 for other NPN bipolar transistors ...
    Winston Winston December 2011 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... do is to change TR4 ZTX650???[/QUOTE] Indeed Tr4 must be exchanged ... table that was working without TR4. (That's where I know ...
    roko roko December 2011 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... still waiting for the repalcement TR4 so cant do anything further ... few posts which say that TR4 could blow again if there ... for a RAM fault if TR4 blows again??
    Marshall Marshall January 2012 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... the switch mode circuit, that Tr4 cannot be broken. The hissing ...
    roko roko January 2012 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... for a RAM fault if TR4 blows again??[/QUOTE]

    guesser guesser January 2012 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... from the switching convertor with Tr4.
    I have never seen ... .

    With a working TR4, even with 'consuming' 4116ses, you ...
    roko roko January 2012 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... by changing both tr4/5 (having already changed tr4 once) and see ...
    Marshall Marshall January 2012 Hardware
  • BeginnerIm having a go at fixing a spectrum which has been in the loft for 20 years and would like some advice please.... I have downloaded the 'spectrum se…

    ... , then it is not likely TR4 nor TR5 are faulty.
    Zorn Zorn January 2012 Hardware
  • Grey +2 video output and oddities.I've been experimenting with one of the above that I acquired years ago, but had just been buried at the back of a cupboard. I've connected it up to…

    Heartened by this thread ive just opened up my battered old grey and repositioned tr4 hoping to cure the slight up and down "shimmer" effect I get on a particular tv using the RGB, didnt work but at least its the right way round now!
    Macc Macc January 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... possible one or both of TR4/TR5 have failed. Carefully note ...
    Zorn Zorn February 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... all the elctrolytic capacitors and TR4/TR5 chips as well as ...
    kamilb1998 kamilb1998 February 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... the following readings;

    TR4=9.7V
    TR5=4 ...
    kamilb1998 kamilb1998 February 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... if I order a replacement TR4, TR5 & C46 I should ...
    kamilb1998 kamilb1998 February 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... the following readings;

    TR4=9.7V
    TR5=4 ... has shorted its power connections, TR4/TR5 may die and if ...
    Zorn Zorn February 2012 Hardware
  • Colour blocks on displayHi all, I have just acquired another Sinclair product, my first one being a C5, it's a 48K ZX Spectrum. It shows colour blocks on the display when p…

    ... if I order a replacement TR4, TR5 & C46 I should ...
    Zorn Zorn February 2012 Hardware
  • Three faulty machines - help!I have three Spectrums and all of them have suddenly collapsed and I can?t figure out what?s wrong. New here.... I own three Speccies but all of a …

    ... in the voltage conversion circuitry (TR4, sometimes TR5). This is a ... common cause of dead Spectrums: TR4 dies, -5/+12 is gone ...
    RetroTechie RetroTechie February 2012 Hardware
  • Three faulty machines - help!I have three Spectrums and all of them have suddenly collapsed and I can?t figure out what?s wrong. New here.... I own three Speccies but all of a …

    ... in the voltage conversion circuitry (TR4, sometimes TR5). This is a ... common cause of dead Spectrums: TR4 dies, -5/+12 is gone ...
    dynaflux dynaflux February 2012 Hardware
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

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