Casio A-10 - Z305-1 Pcb 4;7 (Audio, Touch Panel)

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Power Supply
Mute Signal from CPU
SYSTEM LSI
PCMCIA CARD
10 bit D/A output
For Dial Pulse
From SYSTEM LSI
Audio Amp.
To Display Unit
J5
From SYSTEM LSI
From Power Supply
Z305-1 PCB 4/7 (AUDIO, TOUCH PANEL)