Sharp AQUOS CD-BA250, Руководство по обслуживанию

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CD-BA250/CD-BA2600
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1 VDD VDD Input (+) POWER SUPPLY
2 P37 -20d BATT Output -20dB ATTENUATOR
3 P36 NO USE Output GND
4 P35 T_BIAS Output TAPE RECORD BIAS
5 P34 T_T1/T2 Output TAPE T1/T2 CHANGE
6 P33 REC/PLAY Output TAPE REC/PLAY CHANGE
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 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 SPN Input TUNER SPAN CHANGE
16 VDD VDD — (+) POWER SUPPLY
17 P27 CD CLK Output CD DSP CLOCK
18 P26 CD DI Output CD DSP COMMAND
19 P25 CD DO Input CD DSP CODE Q OUT/
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
O/C SW Input CD OPEN/CLOSE SWITCH
DISC NO SW Input CD DISC NUMBER SWITCH
27 ANI6 TUNER SM Input TUNER SIGNAL METER INPUT
DSA ACK Input/Output DSA ACR
28 ANI5 SPEANA2 Input SPEANA DATA INPUT 16 kHz
29 ANI4 SPEANA1 Input SPEANA DATA INPUT 1 kHz
30 ANI3 SPEANA0 Input SPEANA DATA INPUT 63 kHz
31-33 ANI2-ANI0 KEY 2-KEY 0 Input KEY INPUT
34 AVDD AVDD Input ANALOG VDD
35 AVREF AVREF Input ANALOG REF VOLTAGE
36 INTP3 P-IN Input POWER FAILURE DETECT
37 P02 JOG 1 Input JOG VOLUME INPUT 1
38 P01 JOG 0 Input JOG VOLUME INPUT 0
39 INTP0 REMOCON Input REMOCON INPUT
40 VSS VSS — GROUND VOLTAGE
41 P74 SMUTE Output SYSTEM MUTE CONTROL
42 P73 T_SOL B Output TAPE 2 SOLENOID CONTROL
43 P72 T_SOL A Output TAPE 1 SOLENOID CONTROL
44 P71 T_MOTOR Output TAPE MOTOR CONTROL
45 P70 TIMER LED Output TIMER LED 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 INPUT
51 P123 T2 RUN Input TAPE 2 RUN PULSE INPUT
52 P122 CD CLAMP SW Input CD CHANGER CLAMP SWITCH
IC701 RH-iX0399AWZZ: System Microcomputer (IX0399AW) (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