Service manual

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1 O-COIN O CD IC control data output.
2 O-CDCONT O CD block power ON / OFF control output.
3 O-OPEN (CD) O CD tray open data output.
4 O-CLOSE (CD) O CD tray close data output.
5 O-OPEN (CT) O Deck open / close output.
6 O-PL O Deck solenoid output.
7 I-AS I Deck auto stop signal input.
8 O-MOTOR O Deck motor ON / OFF output.
9 O-CLOSE (CT) O Deck open / close output.
10 O-CLKSFT O MICON clock shift control.
11 I-RESET I Reset input.
12 I-TU SIG I Tuner SD detect input.
13 I-CDSW (DOOR) I CD mecha switch A/D converter input.
14 VSS1 GND.
15 CF1 Connection of 9.43MHz oscillator.
16 CF2 Connection of 9.43MHz oscillator.
17 VDD1 Power supply input.
18 I-HOLD I Power failure detection input.
19 I-LEVEL I Signal level input.
20 I-STOP (HEAD) I Deck cam switch input and tape tray condition detect input.
21 I-CSTSW I Cassette tape and side A, B tab of cassette detect input.
22 I-ENC3 (VOL) I Volume rotary encoder A/D input.
23 I-ENC2 (TREBLE) I Treble rotary encoder A/D input.
24 I-ENC1 (BASS) I Bass rotary encoder A/D input.
25 I-KEY2 I Key input. (A/D)
26 I-KEY1 I Key input. (A/D)
27 I-TM BASE I Reference clock input for watch.
28 I-RDCL I RDS clock input. (EZ only)
29 I-RMC I System remote control signal input.
30 ~ 40 G11 ~ G1 O FL grid G11 ~ G1 output.
41 ~ 45 P21 ~ P17 O FL segment P21 ~ P17 output.
46 VDD3 Power supply input.
47 ~ 50 P16 ~ P13 O FL segment P16 ~ P13 output.
51 VP Power supply for FL display.
52 ~ 62 P12 ~ P2 O FL segment P12 ~ P2 output.
63 LW/P1 I/O LW diode input / FL segment P1 output.
64 ~ 67 NC Not connected.
68 SI (ECHO) Connected to GND through a resistor.
69 SLT (ECHO) Connected to GND through a resistor.
70 SCK (ECHO) Connected to GND through a resistor.
71 I-MIC I Microphone input. (Connected to GND through a resistor)
72 VDD4 Power supply input.
Pin No. Pin Name I/O Description
IC, LC876564V-5Y22