Sharp CD-PC672, Руководство по обслуживанию

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CD-PC672
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IC701 RH-iX0301AWZZ:System Control Microcomputer (IX0301AW) (1/2)
1 VDD VDD — (+) POWER SUPPLY
2 P37 ENA Output DOLBY PROLOGIC ENABLE TERMINAL
3 P36 DO Input DATA INPUT
4 P35 DI Output DATA OUTPUT
5 P34 CE Output CE OUTPUT
6 P33 CLK Output CLOCK OUTPUT
7,8 P32, P31 LCK1, LCK2 Output
9 P30 RWC Output CD DSP READ WRITE CONTROL
10 RESET RESET Input RESET
11 X2 X2 Output MAIN CLOCK
12 X1 X1 Input MAIN CLOCK
13 Vpp VPP — POWER SUPPLY TERMINAL
14* XT2 XT2 — OPEN
15 P04 WRQ Input CD DSP WRITE REQUEST
16 VDD VDD — (+) POWER SUPPLY
17 P27 PCCL Output CD DSP PCCL
18 P26 COIN Outout CD DSP COMAND
19 P25 SQOUT Input CD DSP CODE Q OUT
20 P24 CQCK Output CD DSP CLOCK
21 P23 DSP RES Output CD DSP RESET
22 P22 FRF (DRF) Input CD RF LEVEL DETECTION
23 P21 SLD+ Output CD SLIDE MOTOR +
24 P20 SLD- Output CD SLIDE MOTOR -
25 AVss AVSS — ANALOG GROUND
26 ANI7 SPEANA3 Input SPEANA DATA INPUT 16 KHz
27 ANI6 SPEANA2 Input SPEANA DATA INPUT 1 KHz
28 ANI5 SPEANA1 Input SPEANA DATA INPUT 63 Hz
29* ANI4 TUN SM Input TUNER SIGNAL METER INPUT
30 ANI3 T2 RUN Input TAPE2 RUN PULSE INPUT
31-33 ANI2-ANI0 KEYIN3-KEYIN1 Input KEY INPUT
34 AVDD AVDD — ANALOG VDD
35 AVREF AVREF — ANALOG REF VOLTAGE
36 P03 PUIN SW Input CD PUIN SWITCH
37 P02 O/C SW Input CD OPEN/CLOSE SWITCH
38 INTP1 SYS STOP Input SYSTEM STOP INPUT
39 INTP0 REMOCON Input REMOCON INPUT
40 Vss VSS — GROUND VOLTAGE
41 P74 DNO SW Input CD DISC NO. SWITCH
42 P73 U/D SW Input CD UP/DOWN SWITCH
43 P72 TIMER LED Output TIMER LED CONTROL
44 P71 T_SOL Output TAPE SOLENOID CONTROL
45 P70 T_MOT Output TAPE MOTOR CONTROL
46 VDD VDD — (+) POWER SUPPLY
47 P127 CAM SW Input TAPE CAM SWITCH
48 P126 TIFAS Input TAPE1 FULL AUTOSTOP PULSE INPUT
49 P125 FPA Input TAPE2 A-SIDE FULL PROOF
50 P124 H/P Input HEADPHONE INPUT
51 P123 AC RLY_CONT Output AC RELAY CONTROL
52 P122 REC/PLAY Output TAPE REC/PLAY CHANGE
53 P121 T_BIAS Output TAPE Record bias control
54 P120 T_T1T2 Output TAPE T1/T2 CHANGE
55 P117 DISTO Input DISTINATION INPUT
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