Schematic Diagrams; Z340-1 Pcb 1/3 (Main) - Casio CASSIOPEIA A-20 Service Manual & Parts List

SCHEMATIC DIAGRAMS

Z340-1 PCB 1/3 (MAIN)

DRAM
10.0 MHz for Oscillator (Main Clock)
CPU
32.768 KHz for Clock
To KEY MATRIX
3.68 MHz for Oscillator (RS232C,IrDA)
To Z340-1 PCB 3/3 (DP I/F BLOCK)
To Z340-1 PCB 3/3
To SP
Gate Array
— 70 —
IrDA I/F
CN2
CN5
3-pin Jack
CN4