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Spectrum 128K +2 (grey) faulty screen

Vipered80Vipered80
edited March 2013 in Hardware
Hi.

Just got untested +2.


Now I only get picture like this (Black screen, with two vertical very thin white lines):

http://aijaa.com/Nk93Ub

Any ideas, what is the cause of this?

Thanks for help!

Found some info here:

hardware.speccy.org/reparar-i.html
Post edited by Vipered80 on

Comments

  • napoleonblownapartenapoleonblownaparte
    edited February 2013
    From my experience black and white bars mean a problem with the z80 or one of the related circuits. It's probably worth (carefully) making sure that everything is seated ok inside if your Speccy hasn't been used for a while and/or has travelled a long way...
  • Vipered80Vipered80
    edited February 2013
    Z80 seems to get warmer than other chips...

    Just ordered working Z80...
  • Vipered80Vipered80
    edited March 2013
    Changed working Z80

    Now screen is like this:

    http://aijaa.com/gVxuyw


    No luck to repair it :sad:
  • Shockwav3Shockwav3
    edited March 2013
    Appears the speccy had a major raping.
    Either the ULA or part/all of the RAM seems to be broken as well.
    Is the screen static or do the characters blink?
    Pentagon 48/128, ZS Scorpion 256 Turbo+, Compact 256 Turbo, Sinclair ZX Spectrum 48K (DK'Tronic case, Fuller FDS case, Timex case variant), Timex Sinclair TC2048, Sprinter 2016S, Didaktik M, CoBra, TK90X, TK95, ATM Turbo 2+, Pentagon 1024SL 2.2
  • Vipered80Vipered80
    edited March 2013
    Well, I sell it for spares or repair...

    If I don?t remember wrong, characters did blink.
  • xbomberxbomber
    edited March 2013
    The joy of buying "untested". I've had similar :-(
  • gtsamourgtsamour
    edited March 2013
    xbomber wrote: »
    The joy of buying "untested". I've had similar :-(

    Which are anything but untested in reality...
  • Shockwav3Shockwav3
    edited March 2013
    Well, if you don't need the keyboard anymore, I happen to know someone in finland who's looking for a cheap one :)
    Pentagon 48/128, ZS Scorpion 256 Turbo+, Compact 256 Turbo, Sinclair ZX Spectrum 48K (DK'Tronic case, Fuller FDS case, Timex case variant), Timex Sinclair TC2048, Sprinter 2016S, Didaktik M, CoBra, TK90X, TK95, ATM Turbo 2+, Pentagon 1024SL 2.2
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