Sony HCD-BC150 Service Manual page 53

Pin No. Pin Name
169 XTL2
170 XTL1
171 VDD
172 to 176 D0 to D4
I/O
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
HCD-BC150/BC250
Description
Ver 1.3
53