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  1. G07 burning smell after bad jump

    While attempting to fix a lifted pad on a G07 at FR401, I accidentally jumpered to the emitter of X401 instead of the collector, resulting in the smell of an unknown burning component. I then noticed the installed FR401 is not a fusible-type resistor which may have contributed to the burn...

  2. 6100 Blooming & low HV

    Blooming issue on my Tempest/WG6100 when colors combine and worsens when either screen or X/Y size increased. Replaced ZD901 & ZD902 (not D901 & D902 by mistake), all electrolytic caps as well as Q900 through Q903. Turning HV pot does not affect B+ voltage, which measures only as high as 90 but...

  3. CGA Chassis from Aliexpress and K4900

    Anyone have experience adapting the Aliexpress chassis linked below with arcade monitors? Specifically I'm looking for a K4900 chassis replacement for a matching tube - not sure which of these (if any) would have the correct neck socket to match the tube pins...

  4. Tempest vector glitches during non-text screens

    Encountering vector distortion shown in video link during game play and demo, but not when text displayed. Apart from blooming when white vectors display, game was functional until this started happening a few weeks ago. Assuming monitor issue since game plays until I can access another Tempest...

  5. Fuse F3 blows when 6100 connected

    My Tempest recently stopped working - PCB LED off and monitor spot killer on. Initially thought it was a power supply issue. I had replaced the bridge rectifier & big blue before discovering the 20A F3 was blown. Disconnected monitor, replaced F3 with another 20A and PCB LED lit up & remained on...

  6. Atari Tempest F3 Fuse blows when monitor connected

    Tempest stopped working. Replaced BR & Big Blue but eventually discovered power supply fuse F3 was blown, PCB LED off and monitor spot killer on. Disconnected monitor, replaced F3 with another 20A and PCB LED lit up. Connected monitor, F3 blew again & spot killer on. Replaced F3 with a 25A and...

  7. WG 6100 bent long axis vectors deflection board issue

    WG 6100 bent long axis vectors deflection board issue Hello, Vectors on my WG 6100 bend primarily at the outer extremes of the Y (long axis) of the monitor. Shrunk the Y length adjustment down to minimum and vectors still bend transitioning between levels but not as severe. Connected only the...
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