Sharp CD-BA3000 Manuel de service télécharger pdf (Page 44)

CD-BA3000

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IC701 RH-iX0334AWZZ: System Microcomputer (IX0334AW) (1/2)

Port Name

Terminal Name

Pin No.

Input/Output

In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.

Function

1 VDD VDD — (+) POWER SUPPLY

2 P37 -20dBATT Output -20dB ATTENUATOR

3* P36 S-BUSY Output Not used

4* P35 LCK1 Output LED DRIVER LCK (BU2092-2)

5 P34 LCK0 Output LED DRIVER LCK (BU2092-1)

6* P33 DP REQ Output DOLBY PRO LOGIC REQ TERMINAL

7 P32 RES OUT Output CD DSP RESET&MPEG MICROCOMPUTER RESET

8 P31 DRF Input CD RF LEVEL DETECTION

9 P30 WRQ Input CD DSP WRITE REQUEST

10 RESET RESET Input MICROCOMPUTER RESET

11 X2 X2 Output MAIN CLOCK

12 X1 X1 Input MAIN CLOCK

13 VPP/IC VPP/IC — GND

14* XT2 XT2 — OPEN

15 P04 CD INT Input CD DSP INTERRUPT

16 VDD VDD — (+) POWER SUPPLY

17 P27 CD CLK/MCLK Output CD DSP CLOCK/MPEG MICROCOMPUTER CLOCK

18 P26 CD DI/MDI Output CD DSP COMMAND/MPEG MICROCOMPUTER COMMAND

19 P25 CD DO/MDO Input CD DSP CODE Q OUT/MPEG MICROCOMPUTER DATA INPUT

20 P24 CD CE Output CD DSP CE OUTPUT

21 P23 CE Output CE OUTPUT

22 P22 CLK Output CLOCK OUTPUT

23 P21 DI Output DATA OUTPUT

24 P20 DO Input DATA INPUT

25 AVSS AVSS — ANALOG GROUND

26* ANI7 TUN SM/M-BUSY Input TUNER SIGNAL METER INPUT

27 ANI6 SPEANA3 Input SPEANA DATA INPUT L, R 16 kHz

28 ANI5 SPEANA2 Input SPEANA DATA INPUT L, R 63Hz

29 ANI4 SPEANA1 Input SPEANA DATA INPUT R-CH 1kHz

30 ANI3 SPEANA0 Input SPEANA DATA INPUT L-CH 1kHz

31-33 ANI2-ANI0 KEY2-KEY0 Input KEY INPUT

34 AVDD AVDD — ANALOG VDD

35 AVREF AVREF — ANALOG REF VOLTAGE

36 INTP3 SYS STOP Input SYSTEM STOP INPUT

37 INTP2 JOG1 Input KEY JOG INPUT 1

38 INTP1 JOG0 Input KEY JOG INPUT 2

39 INTP0 REMOCON Input REMOCON INPUT

40 VSS VSS — GROUND VOLTAGE

41 P74 SMUTE Output SYSTEM MUTE CONTROL

42 P73 T_SOL 2 Output TAPE 2 SOLENOID CONTROL

43 P72 T_SOL 1 Output TAPE 1 SOLENOID CONTROL

44 P71 T_MOTOR Output TAPE MOTOR CONTROL

45 P70 TIMER LED Output TIMER OED CONTROL

46 VDD VDD — (+) POWER SUPPLY

47 P127 AC RLY_CONT Output AC RELAY CONTROL

48 P126 SP RLY Output SPEAKER OUTPUT RELAY CONTROL

49 P125 SP DET Input SPEAKER OUTPUT DETECTION

50 P124 T1 RUN Input TAPE 1 RUN PULSE TNPUT

51 P123 T2 RUN Input TAPE 2 RUN PULSE TNPUT

52 P122 CD CLAMP SW Input CD CHANGER CLAMP SWITCH

53 P121 T1 PLAY SW_A Input PLAY SWITCH FOR T1

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 59 60

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Sharp CD-BA3000 Manuel de service Page 44

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