Sharp CD-E500 Service Manual page 49

IC701 RH-iX0058SJZZ: System Microcomputer (IX0058SJ) (2/2)
Pin No. Port Name
84 S51
85 P00
86* P01
87* P02
88 P03
89 VSS2
90 VDD2
91 P04
92 P05
93 P06
94 P07
95 P10
96 P11
97 P12
98 P13
99 P14
100 P15
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
S4 8 / PG0
S4 9 / PG1
S5 0 / PG2
S5 1 / PG3
P 00
P 01
P 02
P 03
V S S 2
V D D 2
P 04
P 05
P 06
P 07
P1 0 / SO0
P1 1 / S I0 / S B0
P1 2 / SCK 0
P1 3 / SO1
P1 4 / S I1 / S B1
P1 5 / SCK 1
Terminal Name Input/Output
CH_SW Output
CD+B Output
P_CON Input/Output
P_STB Input/Output
P_MUTE Output
GND
VDD2
SIGAL_LVL Input
FAN_START Output
SP_DETECT Output
SP_RELAY Output
DI Output
DO Input
CL Output
CE Output
FM_ST Input
SD Input
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
8 9
9 0
9 1
SYSTEM MICROCOMPUTER
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
1 00
Tape T1/T2 switch output.
CD servo power supply circuit control output.
Open
Open
Power mute output.
– GND
– (+) Power supply.
Power Amp. output level detection signal input.
Fan motor control.
Speaker output detect.
Speaker relay control.
Data output.
Data input.
Clock output.
CE output.
Radio stereo broadcast reception detection input.
Broadcast reception status detection input.
IC701
IX0058SJ
– 49 –
CD-E500
CD-E55/E44
Function
5 0 S1 9 / PC3
4 9 S1 8 / PC2
4 8 S1 7 / PC1
4 7 S1 6 / PC0
4 6 V D D 3
4 5 S1 5 / T15
4 4 S1 4 / T14
4 3 S1 3 / T13
4 2 S1 2 / T12
4 1 S1 1 / T11
4 0 S1 0 / T10
3 9 S 9/ T 9
3 8 S 8/ T 8
3 7 S 7/ T 7
3 6 S 6/ T 6
3 5 S 5/ T 5
3 4 S 4/ T 4
3 3 S 3/ T 3
3 2 S 2/ T 2
3 1 S 1/ T 1