Sony WX-C55 Service Manual page 28

Pin No. Pin Name
58 EESIO
59 EECKO
60 RESET
61 SCOR
62 CNIN
63 SELF-SW
64 SENS
65 DQSY
66 BUIN
67 BUSON
68 VDD
69 X2
70 X1
71 IC
72 XT2
73 XT1
74 AVDD
75 AVREF
76 NIL
77 SP-IN
78 TSTIN0
79 NCO
80 LEDOE
28
I/O
O Not used in this set.
O Not used in this set.
— Reset input
I SCOR signal detection input
I Track jump count input
I Disc self store detection input
I SENS signal detection input
— Not used in this set.
I Backup power supply detection input
I Bus on control input
— µ-con power supply
O Main ceramic oscillator output (5 MHz)
I Main ceramic oscillator input (5 MHz)
— Not used. (Not used in this set.)
O Sub crystal oscillator output (Not used in this set.)
I Sub crystal oscillator input (Connect to ground in this set.)
— Power supply for A/D conversion.
— Reference power supply for A/D conversion.
— Not used. (Connect to ground in this set.)
I Spectrum analyzer control signal input from spectrum analyzer control IC.
I LOAD/EJECT prohibition setting input
— Not used.
— Not used in this set.
Pin Description