Aiwa XR-EM70 Service Manual page 31

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IC, LC876564V-5Y22
3 7 63 1515 0
Pin No. Pin Name
1 O-COIN
2 O-CDCONT
3 O-OPEN (CD)
4 O-CLOSE (CD)
5 O-OPEN (CT)
6 O-PL
7 I-AS
8 O-MOTOR
9 O-CLOSE (CT)
10 O-CLKSFT
11 I-RESET
12 I-TU SIG
13 I-CDSW (DOOR)
14 VSS1
15 CF1
16 CF2
17 VDD1
18 I-HOLD
19 I-LEVEL
TE 20 I-STOP (HEAD)
L 13942296513
21 I-CSTSW
22 I-ENC3 (VOL)
23 I-ENC2 (TREBLE)
24 I-ENC1 (BASS)
25 I-KEY2
26 I-KEY1
27 I-TM BASE
28 I-RDCL
29 I-RMC
30 ~ 40 G11 ~ G1
41 ~ 45 P21 ~ P17
46 VDD3
47 ~ 50 P16 ~ P13
51 VP
52 ~ 63 P12 ~ P1
64 ~ 67 NC
68 SI (ECHO)
69 SLT (ECHO)
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70 SCK (ECHO)
71 I-MIC
.
72 VDD4
73 O-LED (CD)
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I/O
O CD IC control data output.
O CD block power ON / OFF control output.
O CD tray open data output.
O CD tray close data output.
O Deck open / close output.
O Deck solenoid output.
I Deck auto stop signal input.
O Deck motor ON / OFF output.
O Deck open / close output.
O MICON clock shift control.
I Reset input.
I Tuner SD detect input. (Not used)
I CD mecha switch A/D converter input.
– GND.
– Connection of 9.43MHz oscillator.
– Connection of 9.43MHz oscillator.
– Power supply input.
I Power failure detection input.
I Signal level input.
I Deck cam switch input and tape tray condition detect input.
I Cassette tape and side A, B tab of cassette detect input.
I Volume rotary encoder A/D input.
I Treble rotary encoder A/D input.
I Bass rotary encoder A/D input.
I Key input. (A/D)
I Key input. (A/D)
I Reference clock input for watch.
I RDS clock input. (Not used)
I System remote control signal input.
O FL grid G11 ~ G1 output.
O FL segment P21 ~ P17 output.
– Power supply input.
O FL segment P16 ~ P13 output.
– Power supply for FL display.
O FL segment P12 ~ P1output.
– Not connected.
– Connected to GND through a resistor.
– Connected to GND through a resistor.
– Connected to GND through a resistor.
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I Microphone input. (Connected to GND through a resistor)
i
– Power supply input.
O CD function LED ON / OFF.
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2 9
8
Description
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