Sony HCD-GSX75 Service Manual page 49

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Pin No. Pin Name
51 PL-DATA
52 PL-CLK
53 PL-RQ
54 VOL-CLK
55 VOL-DATA
56 REC-MUTE
57 PB-MUTE
58 REC/PB
59 ALC-ON
60 MO-ON
61 SOL-ON
62 VCC
63 TA-PLAY
64 VSS
65 MULTI ROOM-A
66 MULTI ROOM-B
67 A-MUTE
68 STK-MUTE
69 H/P CHK
70 PROTECT
71 R-MUTE
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72 P-TRANS_LED
73 POWER KEY
74 DISPLAY KEY
75 AC-CUT
76 F-RELAY
77 R-ST/BY
78 ST/BY LED
79 FL-RESET
80 GAME LED
81 MP3 ACK
82 P-ST/BY
83 DVD ON
84 MP3-RESET
85 MP3-ST/BY
86 LOAD IN SW
87 LOAD OUT SW
88 T-SENSE2
89 TA-SHUT
90 TA-HALF
91 T-SENS3
92 D-SENSE
93 T-SENS1
94 SPEC
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95 MODEL
96 AVSS
97 MP3-CS
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98 VREF
99 AVCC
100 TABLE-NEG
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I/O
O Serial data output to the PROLOGIC IC (Not used)
O Serial clock ouput to the PROLOGIC IC (Not used)
O Request signal output to the PROLOGIC IC (Not used)
O Clock output to the VOLUME IC (IC301)
O Data output to the VOLUME IC (IC301)
O Tape recording muting control signal output "L" : muting on
O Tape line muting control signal output
O REC/PB selection control signal output "H" : REC, "L" : PB
O ALC control signal output
O Capstan motor on/off control signal output
O Deck trigger solenoid control signal output
– Power supply
I Detection signal input from the deck play detect switch
– Ground
O Front/rear/surround selection signal output (Not used)
O Front/rear/surround selection signal output (Not used)
O Audio muting control signal output "H" : muting on
O Power amplifier muting control signal output "L" : power amplifier muting on
I Headphone detection signal input "H" : headphone on
I Speaker protection signal input
O Rear speaker muting control signal output (Not used)
O Transmitter LED drive signal output (Not used)
I Key signal input from the POWER key (S778)
I Key signal input from the DISPLAY key (S779)
I AC off detection signal from the reset signal generator (IC802)
O Front speaker relay on/off control signal output
O Rear speaker relay control signal output (Not used)
O Standby LED control signal output
O Reset signal output to the display ccontroller (IC701)
O GAME LED control signal output (Not used)
I MP3 acknowledge signal input
O Standby relay control signal output
O Not used
O MP3 reset signal output
O MP3 standby signal output Not used
I Load in detection signal input from the LOAD switch (S842)
I Load out detection signal input from the LOAD switch (S842)
I Detection signal input from the table position sensor
I Shut off detection signal input from the reel pulse detector in the tape mechanism deck section
I Detection signal input from the cassette detect switch in the tape mechanism deck section
I Detection signal input from the table position sensor
I Detection signal input from the disc detect sensor "H" : disc in
I Detection signal input from the table position sensor
I Model specification setting teminal
I Model destination setting terminal
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– Ground (analog)
O MP3 chip select signal output
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– Reference voltage input terminal (for A/D converter)
– Power supply (analog)
O Table motor control signal output to the motor driver
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