LM3900 Operational Amplifer I.C.

LM3900 Operational Amplifer I.C.

In Stock
$3.00
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Item #: LM3900
LM3900 Quad Op Amp 14 pin DIP package. Used on Space Invaders PCBs for sounds.
  • Missile Shot sound bad or missing, check the LM3900 at locations M4 & P4. (If just a high pitch, it could be the 4006 at N5.)
  • Base Explosion sound bad or missing, check LM3900 at locations K3, K4 & K5.
  • Invader Hit sound bad or missing, check LM3900 at K4.
  • UFO Hit Sound, check LM3900 at M5. (This problem could also be 74174 at location E5. or 7417 at location F5.)

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