Sharp CD-PC3500, Руководство по обслуживанию

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CD-PC3500
IC701 RH-iX0332AWZZ: System Microcomputer (IX0332AW) (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 PROLOGIC REQ TERMINAL
7 P32 RES OUT Output CD DSP RESET&MPEG
µ
COM RESET
8 P31 DRF Input CD RF LEVEL DETECTION
9 P30 WRQ Input CD DSP WRITE REQUEST
10 RESET RESET Input
µ
COM 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
µ
COM CLOCK
18 P26 CD DI/MDI Outout CD DSP COMMAND/MPEG
µ
COM COMMAND
19 P25 CD DO/MDO Input CD DSP CODE Q OUT/MPEG
µ
COM 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 SMIM-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 B Output TAPE2 SOLENOID CONTROL
43 P72 T_SOL A Output TAPE1 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 PLY_CONT Output AC RELAY CONTROL
48 P126 SPRLY Output SPEAKER OUTPUT RELAY CONTROL
49 P125 SP DET Input SPEAKER OUTPUT DETECTION
50 P124 T1 RUN Input TAPE1 RUN PULSE TNPUT
51 P123 T2 RUN Input TAPE2 RUN PULSE TNPUT
52 P122 CD CLAMP SW Input CD CHANGER CLAMP SWITCH
53 P121 PLAY SW_A Input PLAY SWITCH FOR T1