Sony HCD-ZX80D Service Manual page 80

HCD-ZX80D/ZX100D
Pin No. Pin Name
81 VSS-CPU
82 XOUT
83 XIN
84 VCC-CPU
85 to 100
G24 to G9
80
I/O
- Ground terminal (for CPU)
O System clock output terminal (4 MHz)
I System clock input terminal (4 MHz)
- Power supply terminal (+3.3V) (for CPU)
O
Grid drive signal output to the fluorescent indicator tube
Description