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Author Topic: Mikie bootleg repair log  (Read 2332 times)
Zabanitu
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« on: January 14, 2012, 10:55:09 AM »
hi all.
this board was dead: no sync out.
found LS368 @9F and prom @12D in inverted positions- the LS368 replaces the original 18.4MHz monolytic oscillator with a xtal resonant circuit.
then the sprites appeared jailbar alike: found a faulty LS86 with dead output @5D (driving A6 of the eproms).
found also a ripped off TIP120 for the coin counter near the edge connector.
Logged
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