Aiwa XR-M171 Service Manual download pdf (Page 25)

IC DESCRIPTION

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1 I-ST/MO I Tuner stereo input.

2 I-TU/IFC I Tuner TUNE IFC input.

3 O-SOL O Deck solenoid ON/OFF output.

4 O-REC/PB O Deck record/playback select output.

5 O-MOTOR O Deck motor ON/OFF control output.

6 O-BIAS O Record 85 kHz oscillaor ON/OFF output.

7 O-MUTE O Mute output.

8 O-TU_ON O Tuner mode on output.

9 O-POWER O Power ON/OFF control output.

10 O-CLK_SHIFT O Micon clock shift output.

11 O-PLL_CE O PLL chip enable output.

12 I-RESET I Micon reset input.

13 XCIN I Connected to VDD1.

14 XCOUT O Not used.

15 VSS1 - Digital GND.

16 XIN I

5.76 MHz Ceralock.

17 XOUT O

18 VDD1 - Power supply.

19 I-VOL I Rotary encoder volume A/D input.

20 I-HOLD I System hold input A/D input.

21 I-SW_TP I Cassette detect switch A/D input.

22 I-KEY2 I Key2 A/D input.

23 I-KEY1 I Key1 A/D input.

24 I-CDTSW I CD tray switch A/D input.

25 I-RDS_SIG I RDS tuning level input. (Not used)

26 I-CD_SIG I CD music level input.

27 I-TMBASE I Time base clock base (8 Hz) input.

28 I-RDCL I RDS clock input. (Not used)

29 I-RMC I Remote control data input.

30 ~ 33 NC - Not connected.

34 ~ 44 O-G1 ~ G11 O FL grid G1 ~ G11 output.

45 O-P1 O FL port P1 output.

46 VDD3 - Power supply.

47 ~ 50 O-P2 ~ P5 O FL port P2 ~ P5 output.

51 VEE - Power supply.

52 ~ 68 O-P6 ~ P22 O FL port P6 ~ P22 output.

69 I-AM10K I AM10K detect input. (Not used)

59 I-OIRT I OIRT detect input. (Not used)

60 I-RDS I RDS detect input. (Not used)

61 VDD4 - Power supply.

62 I-AMST I AM stereo detect input. (Not used)

Description

Pin No.

Pin Name I/O

IC, LC866548A

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 41 42

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