Switch Unit (X16-164X-Xx) - Kenwood KDC-419/X459 Service Manual

KDC-419/X459

SWITCH UNIT (X16-164x-xx)

REF.
No.
IC1 LCD DRIVER
IC2 REMOTE CONTROLLER
Q1 KEY SCAN START
Q3 KEY RED ILLUMI SW
Q4 KEY GREEN ILLUMI SW
Q5 VLCD AVR
Q6 IC2 POWER SUPPLY SW
Q7 DIMMER CONTROL
4
COMPONENT DESCRIPTION
FUNCTION
Drives LCD.
Controls the unit.
Turns on when the base level goes "L".
Turns on when the base level goes "H".
Turns on when the base level goes "H".
Turns on when the base level goes 9.1V.
Turns on when the base level goes "L".
Controls the back light.
OPERATION