Sony HCD-ZX6 Service Manual page 64

HCD-ZX6/ZX8
Pin No. Pin Name
75 JOG A
76 JOG B
77 RESET
78 SOFT TEST
79 VOL B
80 VOL A
81 VSS-CPU
82 XOUT
83 XIN
84 VCC-CPU
85 NO USE
86 to 100 G19 to G5
64
I/O
I Jog dial pulse signal input from X-ROUND JOG rotary encoder (B phase input)
I Jog dial pulse signal input from X-ROUND JOG rotary encoder (A phase input)
I System reset signal input from the master control IC "L": reset
O Output for the software test point
I Jog dial pulse signal input from VOLUME rotary encoder (B phase input)
I Jog dial pulse signal input from VOLUME rotary encoder (A phase input)
— Ground pin (for CPU)
O System clock signal output (4 MHz)
I System clock signal input (4 MHz)
— Power supply pin (+3.3 V) (for CPU)
— Not used. (Fixed at "L" in this set.)
O Grid drive signal output to the fluorescent indicator tube
Pin Description