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  1. Time crisis 2 - gun coil diode replacement

    Edit: this was such a stupid thread so I deleted it as much as I could. Moral of story: When measuring a diode use diode test and preferably out of circuit.
  2. Help id two old boards

    I hope this is the right place. I got a lot of 10 old pcb:s but can't identify two them. Romident on the jdx one yield no results. Can't read the 2532 roms on the other board. Board 1. "JDX" Board 2. "Kein adapter" Any help or loose thoughts are greatly appreciated.
  3. Dark picture Sanwa pm1723c

    Sanwa pm1723c chassi with a 20" tube (Toshiba 510UEB22). Picture is too dark. See picture from cps2 test menu. That is the best I can get.( I have put brightness on Max and set RGB to min on chassi and RGB on neckboard to max.) Turning up G2 results in retrace lines and black is turning into a...
  4. Kortek 20" copy of Nanao MS7-20L. Supply voltage and degauss.

    I've got a Kortek chassi that is a "Kortek 20" - copy of Nanao ms7-20L on Jomac). After replacing B+ and the HOT-transistors my chassi actually works and give a good picture. It is connected to a 19" high-impedance monitor (51ggd95x-tc). To my questions. 1. Does anyone has a schematic for this...
  5. Bad dudes repair

    I got a Bad dudes with various graphic problems. I've changed two ls157 chips which looked bad on a visual inspection. That got the sprites back. But backgrounds are corrupt. And title screen seem to be struggling with some "seeing double"-phenomena. And the text is completely rubbish. This...
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