Sharp CD-K7000W Service Manual page 49

IC701 RH-iX0334AWZZ: System Microcomputer (IX0334AW) (1/2)
Pin No. Port Name Terminal Name
1 VDD VDD
2 P37 -20dBATT
3* P36 S-BUSY
4 P35 LCK1
5 P34 LCK0
6* P33 DP REQ
7 P32 RES OUT
8 P31 DRF
9 P30 WRQ
10 RESET RESET
11 X2 X2
12 X1 X1
13 Vpp/IC Vpp/IC
14* XT2 XT2
15 P04 CD INT
16 VDD VDD
17 P27 CD CLK/MCLK
18 P26 CD DI/MDI
19 P25 CD DO/MDO
20 P24 CD CE
21 P23 CE
22 P22 CLK
23 P21 DI
24 P20 DO
25 AVss AVSS
26 ANI7 TUN SMIM-BUSY
27 ANI6 SPEANA3
28 ANI5 SPEANA2
29* ANI4 SPEANA1
30 ANI3 SPEANA0
31-33 ANI2-ANI0 KEY2-KEY0
34 AVDD AVDD
35 AVREF AVREF
36 INTP3 SYS STOP
37 INTP2 JOG1
38 INTP1 JOG0
39 INTP0 REMOCON
40 Vss Vss
41 P74 SMUTE
42 P73 T_SOL B
43 P72 T_SOL A
44 P71 T_MOTOR
45 P70 TIMER LED
46 VDD VDD
47 P127 AC PLY_CONT
48 P126 SPRLY
49 P125 SP DET
50 P124 T1 RUN
51 P123 T2 RUN
52 P122 CD CLAMP SW
53 P121 PLAY SW_A
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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Input/Output
— (+) POWER SUPPLY
Output -20dB ATTENUATOR
Output Not used
Output LED DRIVER LCK (BU2092-2)
Output LED DRIVER LCK (BU2092-1)
Output DOLBY PROLOGIC REQ TERMINAL
CD DSP RESET&MPEG µCOM RESET
Output
Input CD RF LEVEL DETECTION
Input CD DSP WRITE REQUEST
µCOM RESET
Input
Output MAIN CLOCK
Input MAIN CLOCK
— GND
— OPEN
Input CD DSP INTERRUPT
— (+) POWER SUPPLY
CD DSP CLOCK/MPEG µCOM CLOCK
Output
CD DSP COMMAND/MPEG µCOM COMMAND
Outout
CD DSP CODE Q OUT/MPEG µCOM DATA INPUT
Input
Output CD DSP CE OUTPUT
Output CE OUTPUT
Output CLOCK OUTPUT
Output DATA OUTPUT
Input DATA INPUT
— ANALOG GROUND
Input TUNER SIGNAL METER INPUT
Input SPEANA DATA INPUT L, R 16 KHz
Input SPEANA DATA INPUT L, R 63Hz
Input SPEANA DATA INPUT R-CH 1KHz
Input SPEANA DATA INPUT L-CH 1KHz
Input KEY INPUT
— ANALOG VDD
— ANALOG REF VOLTAGE
Input SYSTEM STOP INPUT
Input KEY JOG INPUT 1
Input KEY JOG INPUT 2
Input REMOCON INPUT
— GROUND VOLTAGE
Output SYSTEM MUTE CONTROL
Output TAPE2 SOLENOID CONTROL
Output TAPE1 SOLENOID CONTROL
Output TAPE MOTOR CONTROL
Output TIMER OED CONTROL
— (+) POWER SUPPLY
Output AC RELAY CONTROL
Output SPEAKER OUTPUT RELAY CONTROL
Input SPEAKER OUTPUT DETECTION
Input TAPE1 RUN PULSE TNPUT
Input TAPE2 RUN PULSE TNPUT
Input CD CHANGER CLAMP SWITCH
Input PLAY SWITCH FOR T1
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CD-K7000W/C7000W,CP-C7000
Function