Sony HCD-GP7 Service Manual page 46

HCD-GP7
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Pin No. Pin Name
51 RDS DATA
52 VOLUME B
53 VOLUME A
54 LDON
55 NC
56 SENS
57 TUNED
58 B TRG
59 CAPM-CNT1
60 XRST
61 PROTECT
62 VCC
63 SOFT-TEST
64 VSS
65 CD-POWER
66 FRONT-RELAY
67 LOAD-OUT
68 LOAD-IN
69 OPEN
70 CLOSE
71 to 73 NC
74 POWER KEY
TE
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75 to 77 NC
78 A(CD)-MUTE
79 NC
80 ALC
81 LIN-MUT
82 PWR-RELAY
83 NC
84 STK-POWER
85 H/P MUTE
86 AMP(EQ)-CE
87 AMP(EQ)-DATA
88 AMP(EQ)-CLK
89 NC
90 B SHUT-TC END SW
91 B HALF/REC SW
92 MODEL-IN
93 SPEC-IN
94 KEY2
95 KEY1
96 AVSS
97 KEY0
98 VREF
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99 AVCC
100 NC
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I/O
I RDS data input
I Volume signal input from the rotary encoder
I Volume signal input from the rotary encoder
O Laser diode on/off control signal output
— Not used (open)
I Internal status monitor input from the CD unit
I Tuning detection signal input from the tuner
O Solenoid control signal output to the tape deck
O Capstan motor on/off control signal output
O CD reset signal output to the CD unit
I Protection signal input from the power amplifier circuit
– Power supply terminal
O Soft check output
— Ground terminal
O CD power supply control signal output
O Speaker relay on/off control signal output
O Loading motor control signal output to the motor driver (IC311)
O Loading motor control signal output to the motor driver (IC311)
I Open signal input from the S1
I Close signal input from the S1
— Not used (open)
I Key signal input from the POWER key
— Not used (open)
O CD DSP muting signal output
— Not used (open)
O ALC control signal output
O Line muting signal output
O Main power relay control signal output
— Not used (open)
O Standby control signal output to the power amplifier
I Not used (open)
O Chip enable signal output to the sound processor (IC101)
O Data output to the sound processor (IC101)
O Clock output to the sound processor (IC101)
— Not used (open)
I Shut off detection signal input from the reel pulse detector in the tape deck
I B half/rec switch detection signal input from the tape deck
I Model specification setting teminal
I Model destination setting terminal
I Key signal input
I Key signal input
— Ground terminal (analog)
I Key signal input
— Reference voltage input terminal (for A/D converter)
— Power supply terminal (analog)
— Not used (open)
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Description
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