Aiwa XC-37M, Service Manual

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1 DISH.R O CD turntable reverse control signal output. "H": Left turn.
2 DISH.F O CD turntable forward control signal output. "L": Right turn.
3 O-LEDBS O B.SKIP LED output.
4 O-CDON O CD section power ON output.
5 CD-RW O CD-RW output.
6 NC – Not connected.
7 RESET – Reset signal.
8 ~ 9 VDD – Power supply.
10 VSS1 – GND.
11 XTAL
– 5.76MHz crystal oscillator circuit.
12 EXTAL
13 VDD1 – Power supply.
14 NC – Not connected.
15 I-KEY1 I Key 1 input.
16 I-KEY2 I Key 2 input.
17 I-CD.SW I Detect CD tray switch.
18 I-DISH.S I Detect CD disc existence and tray position.
19 NC – Not connected.
20 I-KEY3 I Key 3 input.
21 NC – Not connected.
22 I-CD.SENS I CD SENS input.
23 NC – Not connected.
24 I-RMOT I Remote control signal input.
25 ~ 31 G1 ~ G7 O FL grid output G1 ~ G7.
32 ~ 40 P1 ~ P9 O FL segment output P1 ~ P9.
41 VDD2 – Power supply.
42 VP – Power supply for FL.
43 ~ 60 P10 ~ P27 O FL segment output P10 ~ P27.
61 ~ 62 NC – Not connected.
63 O-LED5 O Disc No. 5 LED control output.
64 O-LED4 O Disc No. 4 LED control output.
65 O-OPEN O CD tray open control output.
66 O-CLOSE O CD tray close control output.
67 O-LED3 O Disc No. 3 LED control output.
68 O-LED2 O Disc No. 2 LED control output.
69 O-LED1 O Disc No. 1 LED control output.
70 O-LEDPLY O PLAY key LED control output.
71 O-LEDPAU O PAUSE key LED control output.
72 O-LEDCD O FLASH window LED control output.
73 VSS2 – GND.
74 O-CD.DATA O CD DSP data output.
IC DESCRIPTION
IC, LC866440W-5R12
Pin No. Pin Name I/O Description
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TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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