Aiwa XR-M700 User Manual download pdf (Page 30)

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I-STEREO /

During TUNER function, TUNER stereo signal input /

I-DRF During CD function, CD ASP IC DRF data input.

2 O-FUNC O Function IC expand port pull up VCC switch output.

I-RDS-DATA /

I/O

During TUNER function, RDS serial data input (not used) /

O-COIN During CD function, CD DSP IC command in data output.

I-TUDO /

During TUNER function, TUNER IF count serial data input /

I-SQOUT During CD function, CD DSP IC sub-code data input.

5 O-MSTB O Main IC control serial strobe output.

6 O-CLK O IC control serial clock output.

7 O-DATA O IC control serial data output.

8 O-FUNC-CE O Function IC control chip enable output.

9 O-PLL-CE O TUNER PLL IC control chip enable output.

10 O-CKS O Micom clock chift control output. "L" = Shift up (Initial "H").

11 RESET I Reset input.

12 I-HOLD I Power failure overcharge detection input.

I-TU-SIG /

During TUNER function, TUNER signal level input /

I-MS During TAPE function, music sensor detection input.

14 VSS1 – Ground.

15 CF1 I Oscillator input for system clock (9.43MHz)

16 CF2 O Oscillator output for system clock (9.43MHz).

17 VDD1 – Power supply. Basis on A/D input level. Back up VDD.

18 I-CDELV I CD evelater position detection input.

19 ~ 20 I-KEY1 ~ I-KEY0 I Tact key A/D level input.

21 I-CDTRAY I CD tray position detection input.

22 I-CDTSW I CD mecha switch detetion input.

23 I-ENC1 I Waveform input for jog rotary encoder.

24 I-ENC0 I Waveform input for volume rotary encoder.

25 I-LEVEL I Audio signal level detection input (For level bar, CD blank skip).

26 I-SC / I-MIC I CD serial clock input / MIC level detection input. (Not used)

27 I-TMBASE I Reference signal input for clock.

I-RDS-CLK

During TUNER function, RDS serial clock input (not used) /

I-WRQ During CD function, CD DSP IC WRQ input.

29 I-RMC I Remote control signal input.

30 ~ 43 G14 ~ G01 O FL grid output.

44 ~ 45 P35 ~ P334 O FL segment output.

46 VDD3 – Power supply. Connected to VDD4.

47 ~ 50 P33 ~ P30 O FL segment output.

51 VP – Power supply for FL input.

52 ~ 56 P29 ~ P25 O FL segment output.

57 P24 / MD O/I FL segment output / No MD setting switch input (not used).

58 P23 / ECO OFF O/I FL segment output / ECO off setting switch input (not used).

IC DESCRIPTION

IC, LC876580W

Pin No. Pin Name I/O Description

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 45 46

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Aiwa XR-M700 User Manual Page 30

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