Sharp CD-XP500 Service Manual page 49

IC701 RH-iX0524AWZZ: System Microcomputer (IX0524AW) (1/2)
Pin No. Port Name
1 VDD
2 P37
3* P36
4 P35
5 P34
6 P33
7 P32
8 P31
9 P30
10 RESET
11 X2
12 X1
13 VPP/IC
14* XT2
15 P04
16 VDD
17 P27
18 P26
19 P25
20 P24
21 P23
22 P22
23 P21
24 P20
25 AVSS
26 P17
27 ANI6
28 ANI5
29 ANI4
30 ANI3
31-33 ANI2-ANI0
34 AVDD
35 AVREF
36 INTP3
37 P02
38 INTP1
39 INTP0
40 VSS
41 P74
42 P73
43 P72
44 P71
45 P70
46 VDD
47* P127
48 P126
49 P125
50 P124
51 P123
52 P122
53* P121
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
VDD Input
-20dBATT Output
NO USE Output
T_BIAS Output
T_T1/T2 Output
T_REC/PLY Output
CD_RESOUT Output
CD WRQ Input
NO USE Input
RESET Input
X2 Output
X1 Input
VPP/IC —
XT2 —
CD_DRF Input
VDD Input
CD_CLK Output
CD_DI Output
CD_DO Input
CD_CE Output
CE Output
CLK Output
DI Output
DO Input
AVSS —
D.NO SW Input
NO USE Input
PLAY2/FPA/FPB SW Input
PROTECT Input
LVL_DET Input
KEY 2-KEY 0 Input
AVDD —
AVREF —
P_IN Input
CLAMP SW Input
SP_DET Input
REMOCON Input
VSS —
SMUTE Output
T_SOL B Output
T_SOL A Output
T_MOTOR Output
TIMER LED Output
VDD Input
AC_RLY Output
SP_RLY Output
JOG 1 Input
JOG 2 Input
T 2_RUN Input
T 1_RUN Input
MONST LED Output
(+) Power supply.
-20dB Attenuator.
Open
Tape record bias.
Tape T1/T2 change.
Tape REC/PLAY change.
CD DSP reset.
CD write read request..
Connect to GND.
Reset.
Main clock.
Main clock.
GND
Open
CD DRF level detection.
(+) Power supply.
CD DSP clock.
CD DSP command.
CD DSP CODE Q out.
CD DSP CE output.
CE output.
Clock output.
Data output.
Data input.
Analog ground.
CD DISC No. SW
Connect to GND.
Tape F.P A/B SW & PLAY 2 SW.
Power abnormal detect.
Speaker output level detect.
Key input.
Analog VDD.
Analog ref voltage.
Power failure detect.
CD CLAMP SW.
Speaker abnormal detect.
Remocon input.
Ground voltage.
System mute control.
Tape 2 solenoid control.
Tape 1 solenoid control.
Tape motor control.
Timer LED control.
(+) Power supply.
AC relay control.
Speaker relay control.
Volume jog input 1.
Volume jog input 2.
TAPE 2 RUN PULSE input.
TAPE 1 RUN PULSE input.
Monster LED.
– 49 –
CD-XP500/CD-XP5500
Function