Read Sony CX-LDB30 / CX-LDB50 / XR-DB30 / XR-DB50 Service Manual online
46
CX-LDB30/LDB50
Pin No.
Pin Name
I/O
Description
50
O-FUNCCLK
O
Clock output to the function IC (IC601)
51
I-PLAY SW
I
PLAY switch signal input from the tape deck
52
O-LCDCS
O
Chip select signal output to the fluorescent indicator tube
53
O-SOL
O
Solenoid control signal output to the tape deck
54
O-MOTOR
O
Motor control signal output to the tape deck
55
O-STKPOWER
I/O
STK POWER ON/OFF
56
I-SENS
I
SENS signal input from the CD unit
57
O-XTACN
O
Clock output from the CD unit
58
I-RDSDATA
I
RDS data input from the tuner
59
I-AUDION
I
Audio signal detection input terminal
60
O-XRST
O
Reset signal output to the CD unit
61
A9
—
Not used
62
VCC
—
Power supply terminal
63
A8
—
Not used
64
VSS
—
Ground terminal
65
O-CDON
O
CD power supply control signal output
66
A6
—
Not used
67
A5
—
Not used
68
A4
—
Not used
69
A3
—
Not used
70
A2
—
Not used
71
A1
—
Not used
72
A0
—
Not used
73
D15/INT5
—
Not used
74
I-WAKEUPKEY
I
System wake up signal input terminal in the standby status
75
D13/INT3
—
Not used
76
D12
—
Not used
77
D11
—
Not used
78
D10
—
Not used
79
I-STEREO
O
STEREO indicate signal from the Tuner unit
80
O-TUMUTE
O
Mute signal output to the Tuner unit
81
D7
—
Not used
82
O-LDOUT
O
Loading motor control signal output
83
O-LDIN
O
Loading motor control signal output
84
I-CDMSW3
I
CDM trigger switch input
85
I-CDMSW1
I
CDM out switch input
86
I-CDMSW2
I
CDM chack switch input
87
D1
I
Not used
88
I-ENC0
I
VOL signal input from the rotary encoder
89
I-HALFSW
I
Cassette half or rec switch detectin signal input
90
I-ENC2
I
Treble signal input from the rotary encoder
91
I-ENC1
I
Bass signal input from the rotary encoder
92
I-MODEL
—
Not used
93
I-SUFFIX
I
Version setting input terminal
94
I-END SW
I
END switch signal input from the tape deck
95
I-KEY1
I
Key input 1
96
AVSS
—
Ground terminal
97
I-KEY0
I
Key input 0
98
VREF
—
Reference voltage
99
AVCC
—
Power supply terminal
100
O-STLED
O
Standby LED control signal output (“L” : active)
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