Sharp CD-C831W Service Manual page 44

CD-C831W
IC701 RH-iX0281AWZZ:System Microcomputer (IX0281AW) (1/2) or
IC701 RH-iX0310AWZZ:System Microcomputer (IX0310AW) (1/2)
Pin No. Port Name
1 VDD VDD
2* P37 ENA
3 P36 DO
4 P35 DI
5 P34 CE
6 P33 CLK
7,8* P32, P31 LCK1, LCK2
9 P30 RWC
10 RESET RESET
11 X2 X2
12 X1 X1
13 Vpp VPP
14* XT2 XT2
15 P04 WRQ
16 VDD VDD
17 P27 PCCL
18 P26 COIN
19 P25 SQOUT
20 P24 CQCK
21 P23 DSP RES
22 P22 FRF (DRF)
23 P21 SLD+
24 P20 SLD-
25 AVss AVSS
26 ANI7 SPEANA3
27 ANI6 SPEANA2
28 ANI5 SPEANA1
29 ANI4 TUN SM
30 ANI3 T2 RUN
31-33 ANI2-ANI0 KEYIN3-KEYIN1
34 AVDD AVDD
35 AVREF AVREF
36 P03 PUIN SW
37 P02 O/C SW
38 INTP1 SYS STOP
39 INTP0 REMOCON
40 Vss VSS
41 P74 DNO SW
42 P73 U/D SW
43 P72 TIMER LED
44 P71 T_SOL
45 P70 T_MOT
46 VDD VDD
47 P127 CAM SW
48 P126 TIFAS
49 P125 FPA
50 P124 H/P
51 P123 AC RLY_CONT
52 P122 REC/PLAY
53 P121 T_BIAS
54 P120 T_T1T2
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
—
Output
Input
Output
Output
Output
Output
Output
Input
Output
Input
—
—
Input
—
Output
Outout
Input
Output
Output
Input
Output
Output
—
Input
Input
Input
Input
Input
Input
—
—
Input
Input
Input
Input
—
Input
Input
Output
Output
Output
—
Input
Input
Input
Input
Output
Output
Output
Output
(+) POWER SUPPLY
DOLBY PROLOGIC ENABLE TERMINAL
DATA INPUT
DATA OUTPUT
CE OUTPUT
CLOCK OUTPUT
CD DSP READ WRITE CONTROL
RESET
MAIN CLOCK
MAIN CLOCK
POWER SUPPLY TERMINAL
OPEN
CD DSP WRITE REQUEST
(+) POWER SUPPLY
CD DSP PCCL
CD DSP COMAND
CD DSP CODE Q OUT
CD DSP CLOCK
CD DSP RESET
CD RF LEVEL DETECTION
CD SLIDE MOTOR +
CD SLIDE MOTOR -
ANALOG GROUND
SPEANA DATA INPUT 16 KHz
SPEANA DATA INPUT 1 KHz
SPEANA DATA INPUT 63 Hz
TUNER SIGNAL METER INPUT
TAPE2 RUN PULSE INPUT
KEY INPUT
ANALOG VDD
ANALOG REF VOLTAGE
CD PUIN SWITCH
CD OPEN/CLOSE SWITCH
SYSTEM STOP INPUT
REMOCON INPUT
GROUND VOLTAGE
CD DISC NO. SWITCH
CD UP/DOWN SWITCH
TIMER LED CONTROL
TAPE SOLENOID CONTROL
TAPE MOTOR CONTROL
(+) POWER SUPPLY
TAPE CAM SWITCH
TAPE1 FULL AUTOSTOP PULSE INPUT
TAPE2 A-SIDE FULL PROOF
HEADPHONE INPUT
AC RELAY CONTROL
TAPE REC/PLAY CHANGE
TAPE Record bias control
TAPE T1/T2 CHANGE
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Function