Kenwood pds20-18 Service Manual page 40

CPU UNIT X77-2110-00
SCHEMATIC DIAGRAM
10V
6.3V
IC1 :HD74HC245FP
IC2,3,9,10,14 :HD74HC244FP
IC4 :HD74HC688FP
IC5,13 :HD74HC138FP
IC6 :HD74HC221FP
IC7 :70325GJ-10-5BG
IC8,11 :HD74HC74FP
IC12,28 :HD74HC08FP
IC15 :W24258S-70LE
IC16-19 :HD74HC574FP
IC20 :AT29C010A-12J1
IC21,22 :HD74HC05FP
IC23 :HD74HC14FP
IC24 :HD74HC04FP
IC25 :HD74HC86FP
IC26 :HD74HC32FP
IC27 :MAX809MEUR-T