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A Mac 2K Performance Control Board. Common failures are stepper drive circuits and fan drive circuits. All
very repairable.
A Mac 2KE Control Board. Faults include burned stepper drivers and associated damage to control logic,
burned Pan / Tilt drive FETS. All very repairable.
A Mac 250 / 300 control board. Common failures are stepper drive circuits. All very repairable.
Above: A Studio Beam Logic Board. Common faults are burned driver sockets, cracked SMD Caps giving intermittant
drive to motors, SMD I.C's failing inhibiting lamp to strike and lamp relay to pull in. Pan and Tilt Failure.
A Hi End 575 Logic Board. Used in the 575 series of Studio Color and Studio Spot. Common faults are failure
of a driver and board not seeing that the lamp is struck. Most are very repairable.
A Studio 250 Ligic Board. Very repairable if they are not charcoal near the voltage selection switches.
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