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POWER DRIVER BOARD
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GENERAL ILLUMINATION CIRCUIT
2N5401
J120
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G.I. LIGHTS
BLOCK DIAGRAM OF GENERAL ILLUMINATION CIRCUIT
J11 5
Power
When point "A' toggles low, poin ts "B" and
"COO
are high . This turns on the triac and the desired general
illumination string lights.
GOW~ive~rd
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,--- - -- - -- 1
5 volt secondary
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Zero Cross
Detection
Circuil
3-10
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LS374
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Latch
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Power Driver Board
Triac
Drivers
CPU Board
--l
Microprocessor
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