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2-2
• DISPLAY UNIT
MULTIPLEXER
(IC203)
MULTIPLEXER
(IC202)
D/A CONVERTER
(IC261)
FRONT CPU
(IC301)
LCD DIMMER
CONTROLLER
(Q403)
LCD DIMMER
CONTROLLER
(Q401)
MULTIPLEXER
(IC201)
MULTIPLEXER
(IC205)
RESET IC
(IC271)
SERIAL-TO-PARALLEL
CONVERTER
(IC207)
FRONT CPU CLOCK
(X301)
LCD BRIGHTNESS
CONTROLLER
(IC411)
HIGH ACCURACY
VOLTAGE DETECTOR
(IC251)
S/P CONVERTER
(IC206)
MULTIPLEXER
(IC204)
LCD DIMMER
CONTROLLER
(IC421)