Sony ST-S5 Service Manual page 22

ST-S5
Pin No. Pin Name
64
VSS
65 to 70 —
71 LINE-MUTE
72 —
73 DISPLAY KEY
74 POWER KEY
75 DIR-UNLOCK
76 DIR-CS
77 DIR-XSTATE
78 DIR-RX
79 CODEC-SMUTE
80 DSP-ACK
81 DSP-CS
82 DSP-DECODE
83 to 86 —
87 STEREO
88 TUNED
89 to 91 —
92 MODEL-IN
93 SPEC-IN
94 —
95 V-MUTE
96
AVSS
97 —
98
VREF
99 AVCC
100 AC-CUT
22
I/O
— Ground terminal
—
Not used (open)
O Audio line muting on/off control signal output to the audio line circuit "L": muting on
—
Not used (open)
I
DISPLAY switch (S601) input terminal
I
Power on/off switch in the TA-S7AV input terminal
I PLL lock error and data error flag input from the digital audio interface receiver (IC604)
O Chip enable signal output to the digital audio interface receiver (IC604)
I Source clock switching monitor input from the digital audio interface receiver (IC604)
I Read data input from the digital audio interface receiver (IC604)
O
Soft muting on/off control signal output to the A/D, D/A converter (IC605) "L": muting on
I Acknowledge signal input from the CXD9617R (IC601)
O Chip select signal output to the CXD9617R (IC601)
O Decode signal input from the CXD9617R (IC601)
—
Not used (open)
I FM stereo detection signal input from the FM/AM tuner unit "L": stereo
I
Tuning detection signal input from the FM/AM tuner unit "L": tuned
—
Not used (open)
I Model setting terminal
I Specification setting terminal
—
Not used (open)
O
Video muting on/off control signal output terminal "L": muting on Not used (open)
— Ground terminal
— Not used (open)
I
Reference voltage (+5V) input terminal
—
Power supply terminal (+5V)
AC cut on/off detection signal input from the reset signal generator (IC551)
I
"L": AC cut on, "H": AC cut off or checked
Description