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Search Again :: Adv Search 33 results in 0.000s
<12>
  • Replacing Axial Caps with Radial CapsMany of the WOS members have complained of how difficult is it to get hold of Axial Capacitors when they want to replace the electrolytic capacitors …

    ... on the track next to c41

    [IMG]http://www ...
    Pierre Pierre May 2013 Hardware
  • bizarre error on a grey ZX Spectrum+2 - the long search for a small problemHi, I got a ZX Spectrum+2 that worked a bit but crashed while loading or running 128k games. I installed a 128k-test-ROM that told me about RAM fa…

    ... run.
    Now I desoldered C41 (100µF), the electrolytic capacitor ... had low loss resistance except C41 - as mentioned.

    In ... good utility to check if C41 on the 12V line of ...
    ingo ingo November 2016 Hardware
  • +3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…

    ... does anyone have any ideas? C41 electrolytic cap also seems to ...
    colourclash colourclash May 2019 Hardware
  • Thunderstorms coming...Check lightning strikes (updated in realtime) here: [url]http://www.meteorologica.info/freedata_lightning.htm[/url] (there are also European maps o…

    ... pan and KodacolourII, E22 and C41 colour process, D76 and acutol ...
    DEATH DEATH June 2007 Chit chat
  • Thunderstorms coming...Check lightning strikes (updated in realtime) here: [url]http://www.meteorologica.info/freedata_lightning.htm[/url] (there are also European maps o…

    ... pan and KodacolourII, E22 and C41 colour process, D76 and acutol ...
    Scottie_uk Scottie_uk June 2007 Chit chat
  • ZXPROJECT update: a replacement for TEA2000Just go to [url]http://www.zxprojects.com[/url]

    ... even a shorted D19, or C41. It's not the first ...
    mcleod_ideafix mcleod_ideafix August 2009 Hardware
  • Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …

    From service manual:

    1.3 Modifications - Issue 1 Board
    A number of modifications were introduced, and these should be checked
    for and, if necessary, introduced retrospectively:

    ( omissis)

    [COLOR="Red"](g) ...
    Cignale Cignale July 2010 Hardware
  • (grey) +2 ear modI saw some references here and there about grey +2 machines which had an external ear connector built in, so you can use external audio devices for l…

    ... /sound socket by simply fitting C41 as shown on the [URL ...
    guesser guesser March 2012 Hardware
  • Spectrum +2A/+2B: How to tell?Hi all, Sorry if this has been asked before, but I've not found anything that can really help me tell. I've got a black +2, but would love to be ab…

    ... 1uF/50v cap in position c41 (by the modulator). On the ...
    BCH BCH January 2013 Hardware
  • What models are repairable these days?I've followed a few threads which are trying to repair the mainboard components of the older 48K models, but it got me wondering - is it possible to …

    ... out the point of. Removing C41 to disable the EAR pin ...
    guesser guesser July 2013 Hardware
  • ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…

    ... the +12V track from D20 / C41 / R55 (see the schematic in ...
    1024MAK 1024MAK August 2013 Hardware
  • ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…

    ... diode D20 and on to C41, which smooths out the ripple ... to increase the voltage on C41, which should rapidly charge to ...
    1024MAK 1024MAK August 2013 Hardware
  • ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…

    ... me. But now I realise C41 starts initially at (discharged) ZERO ... effectively prompting TR9 to charge C41 to supply that top voltage ...
    DenisM DenisM August 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... ), IC2 (TEA2000), T1, C22, C23, C41, C25...

    First, check ... ground (probe both legs of C41), and between -12V and ground ... on +12V, then desolder briefly C41 and check if it is ... L1 and check again on C41 if you have still very ...
    Falco-F8L Falco-F8L October 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... check for a short on C41, how to check the windings ... I did so far:
    C41 pos side: 12 Ohm
    C41 neg side: 0.4 Ohm< ...
    schombi schombi October 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... check for a short on C41, how to check the windings ... I did so far:
    C41 pos side: 12 Ohm
    C41 neg side: 0.4 Ohm< ... "Check for a short on C41", I meant you desolder it ... /> Side note: when you say "C41 pos side: 12 Ohm", where ...
    Falco-F8L Falco-F8L October 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... />
    Okay, with the desoldered C41 I can see increasing values ...
    schombi schombi October 2013 Hardware
  • One more grey +2 with video problemsI guess I need your help again to hopefully be able to do some proper troubleshooting myself one day. Here I have a grey +2, which could be a bottom…

    ... ;732744]Okay, with the desoldered C41 I can see increasing values ...
    RobeeeJay RobeeeJay October 2013 Hardware
  • Just brought my first ZX Spectrum+ help please!I need some help please guys! Just brought my first ZX Spectrum +, I never had one of these back in the days so I know nothing about them! All is …

    ... audio input being moved from C41 to C48. So no, you ...
    guesser guesser January 2014 Hardware
  • +2 Grey video issueSo far ive replaced TR4, TR5 (and correctly orientated them) and seperated the audio from the video, still I have this; [youtube]mZZWOXRs_Zk[/youtube…

    Ok, what voltage reading do you get from the positive side of C41?

    Maybe TR8/TR9 (ZTX213/ZTX650) need replacing after all!

    B
    balford balford February 2014 Hardware
  • +2 Grey video issueSo far ive replaced TR4, TR5 (and correctly orientated them) and seperated the audio from the video, still I have this; [youtube]mZZWOXRs_Zk[/youtube…

    C41 1.44v
    Macc Macc February 2014 Hardware
  • +2a modified for OTLAok just wanted some help here as i wanted to use OTLA on my +2A. Now i know i cant put the data on to tape as it just don't work (already tried it). …

    ... capacitor in the position marked C41...

    Of course your ...
    guesser guesser April 2014 Hardware
  • Composite video ghost image on ZX Spectrum 128K +2Hi, I have a ghost image on the composite video out on my ZX Spectrum 128K +2 and have run out of ideas of what could be wrong. Does anybody have a…

    ... . I also replaced electrolytic caps C41 and C23 on the 12V ...
    pdj102 pdj102 September 2016 Hardware
  • Composite video ghost image on ZX Spectrum 128K +2Hi, I have a ghost image on the composite video out on my ZX Spectrum 128K +2 and have run out of ideas of what could be wrong. Does anybody have a…

    ... . I also replaced electrolytic caps C41 and C23 on the 12V ...
    1024MAK 1024MAK September 2016 Hardware
  • bizarre error on a grey ZX Spectrum+2 - the long search for a small problemHi, I got a ZX Spectrum+2 that worked a bit but crashed while loading or running 128k games. I installed a 128k-test-ROM that told me about RAM fa…

    ... were solved after substituting C41. A bad C41 surely causes problems in ...
    ingo ingo November 2016 Hardware
  • bizarre error on a grey ZX Spectrum+2 - the long search for a small problemHi, I got a ZX Spectrum+2 that worked a bit but crashed while loading or running 128k games. I installed a 128k-test-ROM that told me about RAM fa…

    With the +12V smoothing capacitor (C41) very low in value and ...
    1024MAK 1024MAK November 2016 Hardware
  • No video output from Spectrum +2 (light grey)Got a strange issue with my Spectrum +2 light grey edition. It was working fine then all of sudden it outputs a black screen while I was using it wit…

    ... on the positive leg of C41 (100uF).

    If the ... voltage on C41 is missing or low (below ... (47uF), C39 (4.7uF) and C41 (100uF) if they have not ...
    1024MAK 1024MAK May 2017 Hardware
  • Spectrum 128k +2 Grey and DivMMC reader problemHi guys, I am trying to figure out why the DivMMC reader do not work on a Spectrum 128k +2 grey I grabbed recently over the net. What is for sure…

    It is C41 in this schematic:
    [img] ...
    ingo ingo September 2017 Hardware
  • +3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…

    ... the gate array.

    C41 simply removes any DC offset ...
    Ast_A_Moore Ast_A_Moore May 2019 Hardware
  • +3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…

    ... the ear/mic socket, could c41 and c48 be problematic, or ...
    colourclash colourclash May 2019 Hardware
<12>

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