Sony CX-LDB30, Service Manual

Page: 46 / 66

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)