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Search Again :: Adv Search 265 results in 0.000s
<123456789>
  • Component Equivalents/substitutionsA while ago, I mentioned to somebody in a thread that we should have a list of component equivalents and substitutions so that it's easier to fix our…

    ... , BC183, BC238, BC383
    ZTX650 can be replaced with BC537 ... replaced with BC547, BC548 and BC549 in Issue 2+ Usually ... has experienced problems substituting TR4 ZTX650 with a BC487. Transistor ... ). When replaced with the ZTX650 no problems any more.
    DEATH DEATH December 2006 Hardware
  • Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …

    What is the best replacement transistor for the obsolete ZTX650?
    I've read that TIP31 will do the trick.
    Is there a decent equivalent from the BC or others transistors?
    gtsamour gtsamour December 2006 Hardware
  • ZTX650 and ZTX213Hi I have one +2 which was completly dead but after confirming 78S05 was faulty I replaced it. Afterwards it powers up but there is no TV or composit…

    ... /> First thing to replace are ZTX650 and ZTX213 I guess.
    ZTX650 (here I can not find ...
    netomc netomc April 2012 Hardware
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    ... , and lots of ZTX213 and ZTX650 transistors, so I'm well ...
    Spirantho Spirantho May 2005 Sinclair Miscellaneous
  • Spectrum Spare parts neededI have a customer in Croatia purchasing some items from me, but to save on postage and currency conversion costs, can anyone supply the following ite…

    ... /> Spectrum's COIL, ZTX313 / ZTX213 / ZTX650 transistors
    Spectrum 48K ROM ...
    rwap rwap December 2006 Wanted
  • What useless info do you know?Something that you will take to your grave (Spectrum or not) but absolutely no use to anyone: - POKE 23658,8 - Turns caps lock on, on a Spectrum - O…

    ... in a Spectrum is a ZTX650
    - In the PAL television ...
    IN31 IN31 April 2007 Chit chat
  • 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…

    ... get hot, I mean the ZTX650 is not even noticibly warm ...
    gtsamour gtsamour May 2007 Hardware
  • Blown standard divideI recently bought a SIY divide kit from Papaya labs and after i soldered everything, it worked perfectly. I've used it 5-6 times without problems (Fa…

    ... up the power cirquit transistor (ZTX650)
    blew.
    Tried it ...
    gtsamour gtsamour April 2008 Hardware
  • Is it possible to use external power supply for +-12; +-5 for ZX SpectrumRecently I acquired a damaged Sinclair ZX Spectrum, issue 3B. According to the maintenance manual I have to replace TR4 and TR5. These type of transi…

    ... />
    Also, I wonder, because ZTX650 is for 2A, and some ... (Ic=0,5A) instead of ZTX650.
    I have no idea ...
    65C02 65C02 June 2008 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... up
    I changed tr4 ztx650 and all voltages got back ...
    gorski gorski March 2009 Hardware
  • zx spectrum +High i bought a spectrum + a while back that endend up that it didnt work.. the screen was just a scramble of colours..ive change the ktc(ztx650) and…

    ... colours..ive change the ktc(ztx650) and now all the voltages ...
    kenny.tigger kenny.tigger January 2010 Hardware
  • Midi out on a ZX SpectrumYears ago (may be over 15 years...) I soldered a small adapter that lets a keyboard or synthesizer connect to the ZX Spectrum 128K's midi/RS232 port.…

    ... made back then uses a BC549 with the TX signal (pin ... 't think I need the BC549 and TX signal, but instead ...
    bverstee bverstee March 2010 Hardware
  • Trying to fix Spectrum Issue TwoHello everybody, I bought from eBay three Spectrums - one is Issue Two and the other two are Issue 3. The Issues 3s look like they are working but t…

    ... ;ssPageName=STRK:MEWNX:IT#ht_2821wt_1167]ZTx650[/url]) and TR5 ([url=http ...
    Valentin Valentin April 2010 Hardware
  • Question about 7805 regulatorOne of my common practices when I service a ZX machine, is to replace the electrolytic caps as well as the 7805 regulator and some times the ztx650 t…

    ... regulator and some times the ztx650 transistor.

    I was ...
    gtsamour gtsamour January 2011 Hardware
  • ZX Spectrum - power supply transistors....I overbought in case I had any failures while repairing my Speccys but I did not need any spares so these are now surplus to requirements. I have thr…

    ... is an substitute for the ZTX650).

    The price within ...
    weathereye weathereye March 2011 Sales
  • ZX Spectrum + alive thanks to this site.I was given a dead unit several months ago. I finally had time to look at it yesterday. Using the repair guide on this site the thing is now alive.…

    ... alive. One 7805 and one ztx650 tr4 and it is all ...
    68k-dude 68k-dude July 2011 Hardware
  • Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…

    ... i powered it on the ztx650 gave up smoke and died ... /> I replaced the ZTX650 and ZTX213 but the ztx650 keeps dieing immediately ...
    gtsamour gtsamour November 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?

    Would I be ...
    Marshall Marshall December 2011 Hardware
  • 128K heatsink no color in composite video and bad antenna outputI am currently repairing a ZX Spectrum 128K heatsink model. It gives no colors on composite video output, and very bad antenna output. I opened it a…

    ... no 12V.
    Replacing the ZTX650 did the job; 12V was ...
    bverstee bverstee February 2012 Hardware
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... , it had faulty 78S05 and ZTX650.
    Added new 78S05 and ... instead of ZTX650 soldered 2SD1207.
    After that ... SD1207 after soldering instead of ZTX650 (twisted legs on 2SD1207 because ...
    netomc netomc April 2012 Hardware
  • Replacing ZTX650 with BD139Today I blew up one of the GALs on one of my DivIDEs while testing on my Toastrack. Shorted M1 with 12V and the 12V circuit broke. I had to replace T…

    Today I blew up one of the GALs on one of my DivIDEs while testing on my Toastrack.
    Shorted M1 with 12V and the 12V circuit broke.
    I had to replace TR4
    First transistor I tried was a BC547, computer working again, but the BC547 became hot ...
    Knik Knik September 2012 Hardware
  • Spectrum +2 grey 12v railHello everyone, I have this grey +2 with no video from tv. After much reading and testing i realized it was the internal power supply. At the 12v ra…

    ... instead of 12. Replaced TR9-ztx650 with ztx653 and TR8-ztx213 ...
    palex palex November 2012 Hardware
  • Lot's of ZX Spectrum parts: RAM chips, ULA's, etcI have new stock of 100% tested parts. I even got my hands on a bunch of ULA's!! [IMG]http://benophetinternet.nl/hobby/sales/parts/IMG_6068.JPG[/IMG…

    ...
    - Transistors: replacements for ZTX213, ZTX650
    - Coils, power sockets, etc ...
    bverstee bverstee December 2012 Sales
  • Spectrum 128 +2 greyhi all, nice to be here, i am trying to reborn my spectrum and i need some help please, i get a new 79s05 to replace, also a bc307 to replace the…

    ... a bc489 to replace the ztx650

    i did some ...
    xaris_sm xaris_sm February 2013 Hardware
  • March offers: lot's of parts!!!I have PLENTY parts available like a lot of 4164 ram chips. I even got some rare spare parts like ZX Spectrum issue two ULA's. - Logic chips: 74LSXX…

    ... )
    - Transistors: replacements for ZTX213, ZTX650 (new)
    [B]0.5 ...
    bverstee bverstee March 2013 Sales
  • another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…

    ... 12V aren't present... the ZTX650 was dead...

    The ... order a replacement for the ZTX650 and some 4164 but in ...
    emilen72 emilen72 April 2013 Hardware
  • August sales[COLOR="Blue"]I have about everything listed here in stock. But some of it must be made ready (with custom wishes). [B]Buying directly will save you…

    ... .jpg[/IMG]
    [B]ZTX213 / ZTX650 replacements (BC213 / ZTX651)[/B]:
    bverstee bverstee August 2013 Sales
  • prob with my grey +2went to turn it on today and am greeted with a black screen with small coloured blocks and a white border and nothing else can someone point me in t…

    ... />
    I have tested the ztx650 and that seems to work ...
    reanimator reanimator August 2013 Hardware
  • Ben Versteeg's September sales[COLOR="Blue"][B][SIZE="6"]Add-ons[/SIZE][/B][/COLOR] [IMG]http://benophetinternet.nl/hobby/vanmezelf/sales/line.jpg[/IMG] [IMG]http://benophetinter…

    ... [/IMG]

    [B]ZTX213 / ZTX650 replacements (BC213 / ZTX651)[/B]
    bverstee bverstee September 2013 Sales
  • Ben Versteeg's November sales[COLOR="Blue"][B][SIZE="6"]Almost ready[/SIZE][/B][/COLOR] [IMG]http://benophetinternet.nl/hobby/vanmezelf/sales/line.jpg[/IMG] [IMG]http://benophet…

    ... [/IMG]

    [B]ZTX213 / ZTX650 replacements (BC213 / ZTX651)[/B]
    bverstee bverstee November 2013 Sales
<123456789>

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Related Threads

  • Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650?<br /> I've read that TIP31 will do the trick.<br /> Is there a decent equivalent fro…
  • ZTX650 and ZTX213Hi<br /> I have one +2 which was completly dead but after confirming 78S05 was faulty I replaced it.<br /> Afterwards it powers up but there is no TV…
  • Replacing ZTX650 with BD139Today I blew up one of the GALs on one of my DivIDEs while testing on my Toastrack.<br /> Shorted M1 with 12V and the 12V circuit broke.<br /> I had …

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