Sony HCD-S550 Service Manual page 94

HCD-S550/S880
Pin No. Pin Name
167 XTAL
168 VSS
169 XTL2
170 XTL1
171 VDD
172 to 176 D0 to D4
94
I/O
I
33.8688 MHz clock signal input terminal
—
Ground terminal (digital system)
O
System clock output terminal (33.8688 MHz)
I
System clock input terminal (33.8688 MHz)
—
Power supply terminal (+3.3V) (digital system)
I/O
Two-way data bus with the mechanism controller
Description