Sony CX-LDB30 Service Manual page 46

Micro hi-fi component system
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CX-LDB30/LDB50
Pin No.
Pin Name
50
O-FUNCCLK
51
I-PLAY SW
52
O-LCDCS
53
O-SOL
54
O-MOTOR
55
O-STKPOWER
56
I-SENS
57
O-XTACN
58
I-RDSDATA
59
I-AUDION
60
O-XRST
61
A9
62
VCC
63
A8
64
VSS
65
O-CDON
66
A6
67
A5
68
A4
69
A3
70
A2
71
A1
72
A0
73
D15/INT5
74
I-WAKEUPKEY
75
D13/INT3
76
D12
77
D11
78
D10
79
I-STEREO
80
O-TUMUTE
81
D7
82
O-LDOUT
83
O-LDIN
84
I-CDMSW3
85
I-CDMSW1
86
I-CDMSW2
87
D1
88
I-ENC0
89
I-HALFSW
90
I-ENC2
91
I-ENC1
92
I-MODEL
93
I-SUFFIX
94
I-END SW
95
I-KEY1
96
AVSS
97
I-KEY0
98
VREF
99
AVCC
100
O-STLED
46
I/O
O
Clock output to the function IC (IC601)
I
PLAY switch signal input from the tape deck
O
Chip select signal output to the fluorescent indicator tube
O
Solenoid control signal output to the tape deck
O
Motor control signal output to the tape deck
I/O
STK POWER ON/OFF
I
SENS signal input from the CD unit
O
Clock output from the CD unit
I
RDS data input from the tuner
I
Audio signal detection input terminal
O
Reset signal output to the CD unit
Not used
Power supply terminal
Not used
Ground terminal
O
CD power supply control signal output
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Not used
I
System wake up signal input terminal in the standby status
Not used
Not used
Not used
Not used
O
STEREO indicate signal from the Tuner unit
O
Mute signal output to the Tuner unit
Not used
O
Loading motor control signal output
O
Loading motor control signal output
I
CDM trigger switch input
I
CDM out switch input
I
CDM chack switch input
I
Not used
I
VOL signal input from the rotary encoder
I
Cassette half or rec switch detectin signal input
I
Treble signal input from the rotary encoder
I
Bass signal input from the rotary encoder
Not used
I
Version setting input terminal
I
END switch signal input from the tape deck
I
Key input 1
Ground terminal
I
Key input 0
Reference voltage
Power supply terminal
O
Standby LED control signal output ("L" : active)
Description

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