Sharp CD-E700 Service Manual - Page 45

IC701 RH-iX0553AWZZ: System Microcomputer IX0553AW 1/2

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CD-E700/CD-E77 IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (1/2) Pin No. Port Name Terminal Name Input/Output Function 1 VDD 2 P37 VDD -20dBATT Input Output (+) Power supply. -20dB Attenuator. 3* P36 4 P35 SUB_CE T_BIAS Output Output MP3 sub microcomputer. Tape record bias. 5 P34 T_T1/T2 Output Tape T1/T2 change. 6 P33 T_REC/PLY Output Tape REC/PLAY change. 7 P32 CD_RESOUT Output CD DSP reset. 8 P31 CD WRQ Input CD write read request.. 9* P30 10 RESET NO USE RESET Input Input Connect to GND. Reset. 11 X2 X2 12 X1 X1 Output Input Main clock. Main clock. 13 VPP/IC VPP/IC - GND 14* XT2 XT2 - Open 15 P04 CD_DRF Input CD DRF level detection. 16 VDD VDD Input (+) Power supply. 17 P27 18 P26 CD_CLK CD_DI Output Output CD DSP clock. CD DSP command. 19 P25 20 P24 CD_DO CD_CE Input Output CD DSP CODE Q out. 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 P17 D.NO SW Input CD DISC No. SW 27* ANI6 NO USE Input Connect to GND. 28 ANI5 29 ANI4 PLAY2/FPA/FPB SW PROTECT Input Input Tape F.P A/B SW & PLAY 2 SW. Power abnormal detect. 30 31-33 ANI3 ANI2-ANI0 LVL_DET KEY 2-KEY 0 Input Input Speaker output level detect. Key input. 34 AVDD AVDD Input Analog VDD. 35 AVREF AVREF - Analog ref voltage. 36 INTP3 P_IN Input Power failure detect. 37 P02 CLAMP SW Input CD CLAMP SW. 38 INTP1 39 INTP0 SP_DET REMOCON Input Input Speaker abnormal detect. Remocon input. 40 VSS 41 P74 VSS SMUTE - Output Ground voltage. 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 47 P127 VDD AC_RLY Input Output (+) Power supply. AC relay control. 48 P126 49 P125 SP_RLY JOG 1 Output Input Speaker relay control. Volume jog input 1. 50 P124 JOG 2 Input Volume jog input 2. 51 P123 T 2_RUN Input TAPE 2 RUN PULSE input. 52 P122 T 1_RUN Input TAPE 1 RUN PULSE input. 53* P121 MONST LED Output Monster LED. In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. - 45 -

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CD-E700/CD-E77
IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (1/2)
1
VDD
VDD
Input
(+) Power supply.
2
P37
-20dBATT
Output
-20dB Attenuator.
3*
P36
SUB_CE
Output
MP3 sub microcomputer.
4
P35
T_BIAS
Output
Tape record bias.
5
P34
T_T1/T2
Output
Tape T1/T2 change.
6
P33
T_REC/PLY
Output
Tape REC/PLAY change.
7
P32
CD_RESOUT
Output
CD DSP reset.
8
P31
CD WRQ
Input
CD write read request..
9*
P30
NO USE
Input
Connect to GND.
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
CD_DRF
Input
CD DRF level detection.
16
VDD
VDD
Input
(+) 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
P17
D.NO SW
Input
CD DISC No. SW
27*
ANI6
NO USE
Input
Connect to GND.
28
ANI5
PLAY2/FPA/FPB SW
Input
Tape F.P A/B SW & PLAY 2 SW.
29
ANI4
PROTECT
Input
Power abnormal detect.
30
ANI3
LVL_DET
Input
Speaker output level detect.
31-33
ANI2-ANI0
KEY 2-KEY 0
Input
Key input.
34
AVDD
AVDD
Input
Analog VDD.
35
AVREF
AVREF
—
Analog ref voltage.
36
INTP3
P_IN
Input
Power failure detect.
37
P02
CLAMP SW
Input
CD CLAMP SW.
38
INTP1
SP_DET
Input
Speaker abnormal detect.
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
Input
(+) Power supply.
47
P127
AC_RLY
Output
AC relay control.
48
P126
SP_RLY
Output
Speaker relay control.
49
P125
JOG 1
Input
Volume jog input 1.
50
P124
JOG 2
Input
Volume jog input 2.
51
P123
T 2_RUN
Input
TAPE 2 RUN PULSE input.
52
P122
T 1_RUN
Input
TAPE 1 RUN PULSE input.
53*
P121
MONST LED
Output
Monster LED.
Port Name
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.