Sony RCD-W500C Service Manual page 93

Pin No. Pin Name
79 BCENT
80 PHBETA
81 BHBETA
82 VREF
83 MPX
84 TMP
85 VWDC2
86 AVSS
87 XINTCDR
88 RECD
89 XTAND
90 SPFG
91 XIN/EXT
92 VSS
93 SLFG
94 TZC
95 SPFG
96 XMMUTE
97 INSW
98 OUTSW
99 REV
100 FWD
I/O
I Center signal input from the IC101
β signal top level signal input from the IC101
I
β signal bottom level signal input from the IC101
I
I Reference voltage input terminal
I Monitor multiplexer signal input from the IC101
I THERMOUT signal input
O VWDC2 signal output to the optical pick-up
— Ground terminal for the A/D converter
I Interrupt request signal input from the IC201
I Recorded block detection signal input from the IC101
I Tracking failure detection signal input from the IC101
I Not used
I RS-232C "H" detection signal input
— Ground terminal
I ENCOUT signal input
I Tracking zero cross detection signal input from the IC101
I FG signal input from the motor driver (IC172)
O Muting signal output to the IC171 and IC172
I LOAD IN switch (S170) signal input
I LOAD OUT switch (S171) signal input
O Loading motor control signal output to the IC171
O Loading motor control signal output to the IC171
Description
RCD-W500C
93