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  1. GA61XX

    VectorVGA Tempest available

    well great to hear we have options for our fading vector monitors
  2. GA61XX

    WTB: Security IC used in Popeye

    My Oop's only see the Tmm2016 = 6116
  3. GA61XX

    WTB: Security IC used in Popeye

    it's only a 6116 RAM chip
  4. GA61XX

    Space invaders preservation

    Midway Space Invaders up-right, Midway Deluxe cocktail, Midway Space Invaders II cocktail, Taito SI and Taito SI part 2, game boards, and a Taito cocktail project in parts waiting for time. still working on a clone of the Space Invaders II Aux sound board. Then in the arcade where i work we...
  5. GA61XX

    Galaga - No sound

    i spotted a few sellers in Europe that had these, on eBay when i google searched
  6. GA61XX

    Galaga - No sound

    The HA1388 is an 18 watt dual audio amplifier & long gone, but can use HA1377 only it is a 5.8 watt dual audio amplifier, both have same pin outs. eBay may be your best option for either of these chips, just do not buy from China !!
  7. GA61XX

    19V1001 are P277 and P292 boards interchangeable?

    Easy. was an odd ball service manual that covers the different types of monitor, i remembered seeing this years ago when refurbishing my Space Invaders II there is also a 19V1002 model that has a Vertical adjustment pot on the chassis, this needs an external 13v power supply
  8. GA61XX

    19V1001 are P277 and P292 boards interchangeable?

    Hope this helps, pulled from page 17 of the 19V1001 / 19v1003 service manual
  9. GA61XX

    Guide to replacing a HV cup on a monitor

    you can still buy these HV cup's i have found a few suppliers on line, for when i manufacture the Atari VD900 units
  10. GA61XX

    Rowe R-93 Amp Repair

    if you have this same problem ? start a thread.. will need photo of the Pre-Amp board in your amplifier, as a few different models used, they have some common problems that can be up-graded
  11. GA61XX

    rom burning issue

    i have found some of these newer chips on paper look the same, but our games draw/pull more power than these newer chips can deliver. had problems with an AT28C16 that would run in nearly 75% of PCB's, found a few boards they just would not run the system, yet i could erase the chip, program...
  12. GA61XX

    Rebuilding a WG6100 Deflection - Which Modifications? HELP!

    yes, there are input protection boards that also include "frank the crank's" mod' on one board
  13. GA61XX

    New to arcade repair, monitor problems with a universal chassis

    input resistor Not one of those 2w grey resistors in photo. i need a better picture of that side of the chassis, looking for a 2.2 ohm white ceramic 5w resistor
  14. GA61XX

    New to arcade repair, monitor problems with a universal chassis

    your photo is too close to get a better idea of the chassis, but i do see in the top left corner part of the B+ transistor, that long large resistor may be your 140 ohm, just change it out for a 150 or 180 ohm of same wattage.
  15. GA61XX

    New to arcade repair, monitor problems with a universal chassis

    These chassis are only designed to run on 100v not 110v or 120v .. only 100v with out mod's .. the fact you have this 140 ohm resistor, i think you will find your chassis just another version of the Wei-Ya 426H chassis. The 140 ohm 25w resistor can go to 180 ohm 25w Ok. no need to stay close...
  16. GA61XX

    New to arcade repair, monitor problems with a universal chassis

    knowing the model of chassis would help ! there are mod's to be done to these "universal" chassis before you use one
  17. GA61XX

    williams defender early version , rom board and compatibility between roms

    has been a few years, but the factory ROM board has jumper setting to change for each color ROM set, There are a few after market "clones" of this ROM board, some will suit any color set with jumper settings, and there is one Red ROM board that has a change to ROM 2 & 3 to now used the 2732 in...
  18. GA61XX

    WG K4600 Horizontal Driver Transformer

    Ok.. i have 53.6 ohm's and 0.6 ohms you say that 50 ohm & 0 ohm is that zero ohm's or open circuit ?
  19. GA61XX

    WG K4600 Horizontal Driver Transformer

    i have a big stash of these chassis, i have been stripping for parts as i need them, i can find the stash, pull one to test ohms, but it will be the mH that if important in this type of coil/transformer. where are you located ? up-date some of your member details so it shows on you KLOV name
  20. GA61XX

    WG K4600 Horizontal Driver Transformer

    a picture of this transformer, & where located would help
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