Erase Lamp Circuit - Ricoh FT4430 Service Manual

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16 April '88

ERASE LAMP CIRCUIT

This copier uses 34 LEDs in the erase lamp unit.
Shift register drivers control the LEDs. Initially, the RESET signal (LOW active)
turns off all the shift registers. Then the main board sends erase lamp data to
the shift registers from CN203-15.
2-1o

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