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  1. TCW

    Rowe AMI R-82 Memory Unit

    I picked up non-working R-82. This is my latest observation. These selections were made in secession one after the other after each record had been returned and magazine returned to home position. It seems to show a warmup of weak circuitry. Any information regarding component level repairs on...
  2. TCW

    AMi F Returns Record

    I am trying to help a buddy out who's F puts the record on the platter, sets the needle down and immediately picks back up and then returns the record. Is the cutoff contact messed up somehow or can this also be caused by one of camshaft contacts?
  3. TCW

    EPROM Programming with TL866II-Plus above 18V

    Food for thought, regarding the TL866II+, If you have a Regulated Power Supply, you can inject the higher voltages required by your chips needed programing voltage, be it 21V, 24V or whatever. Insert the chip into a socket before inserting it into the programmer, and lift the chips power leg...
  4. TCW

    Original Space Invaders RAM

    I am using SI ROM Test v1.3 (pictured). This new version test ROM is to display all the RAM errors at one time. So the way I understand it, the ones showing characters have failed. Looks like I need 7 of them. My board has Intel D2107C RAM. What is the best means of suppling replacement RAM? I...
  5. TCW

    CD-100E Amp 61024903, 40710105 driver boards

    Hello, I picked up a CD-100E that had a bad channel. I ordered a set of transistors and the diodes between channels that had failed (1N4157 Forward Reference Diode, 2.7v V(fm), Do-35) as well. As far as I could tell everything checked OK, not the case though. This amp, the 61024903, has the...
  6. TCW

    Greetings from Brownsburg Indiana

    I have an original Space Invaders I got running but now no sound or picture all of a sudden. I am also working on three Rowe AMI jukes. CD-100E (Amp), R-92B (Amp) and an F-120 (restoration). I am also working on three pins. Gottlieb - Black Hole (restoration), Williams - Soccer (run-ability...
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