CD-XP700H (serv.man15). Function table of IC - Sharp Audio Service Manual (repair manual). Page 10

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CD-XP700H
IC701 RH-iX0541AWZZ: System Microcomputer (IX0541AW) (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.
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