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10-29-2012, 01:16 PM
i m working on minolta di 450 which does not turn on, led's turn on of pwb-a and pwb-b but machine does not turn on.

print button pf control panel also gives green light but machine is dead.
help me in this regard

10-29-2012, 02:01 PM
I would say power supply, If it still has the old one with the two large "P.O.Box like" slots in the aluminum heat sink than almost for sure that's the reason. The new power supply has an aluminum heat sink with only 5 little oval holes in a vertical row in it.

Other possibility is Main Relay RY1.

Good Luck!


10-30-2012, 12:06 AM
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