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Any Ideas why this was done ?

Retro-JRetro-J
edited April 2014 in Hardware
Looks like a lot of effort went into this board. Any clues as to why from the pictures ?

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Post edited by Retro-J on

Comments

  • Shockwav3Shockwav3
    edited April 2014
    Ease of future repairs (sockets, modified membrane holders).
    Slightly confused by the alternative power socket tho.
    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
  • ingoingo
    edited April 2014
    Obviously the internal voltage converter was removed and substituted by a new power jack that has to be supplied by 12V (5V) and -5V.

    Ingo.
  • Retro-JRetro-J
    edited April 2014
    Shockwav3 wrote: »
    Ease of future repairs (sockets, modified membrane holders).

    Lot of effort or maybe used where there was problems with power supply ?
  • Shockwav3Shockwav3
    edited April 2014
    Retro-J wrote: »
    Lot of effort or maybe used where there was problems with power supply ?
    I've socketed all the RAM chips on one of my "other behated 8bit computer, featuring 15 shades of brown" for fun/to convert it to a RAM-chip tester ;)
    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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