General Illumination Circuit
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POWER DRIVER BOARD
Drive
VCC
G.I. Lights
Jl15
S.B
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Power
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Block Diagram of General Illumination Circuit
lPowe-;-r
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Driver
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Board
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Playfield or
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Backbox.
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Up to 18 bulbs.
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6.3 volt secondary
5 volt secondary
Microprocessor
CPU Board
Zero Cross Detection
Circuit
Power Driver Board
When point "A" toggles low, then points "8" and "C" are high. This turns On the triac and the desired
General Illumination string lights.
INDIANA JONES 3-10