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Need schematic diagram, some advice and ultimately replacement parts

. No power. Upon opening, found 2 coils burnt out. Need at least a schematic diagram, Could also use some technical assistance as well but definitely need a schematic to identify the circuit and components involved.
Thanks,
Roger

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You have something in short circuit in power supply pattern, so filter coils are burnt. It may be voltage regulator, or regulating transistor, electrolytic capacitor or even shorted diode at pwr. input serving to protect in case of inverse polarity applied. Check all for short. Was it reverse polarity or overvoltage occured?

Mladen,
mladen@propilots.net

Posted on Mar 14, 2009

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