CD-ES222E (serv.man4). Troubleshooting, Function table of IC, FL display, Replacement exploded view. - Sharp Audio Service Manual (repair manual). Page 9

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CD-ES222H/ES222E
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC701 RH-iX0065SJZZ: System Microcomputer (IX0065SJ) (1/2)
1
P16
TIMER_LED
Output
Timer LED control.
2*
P17
RDS_DATA
Input/Output
Open
3*
P30
RDS_CLE
Input/Output
Open
4
P31
CD_CE
Output
CD DSP CE output.
5
P32
CD_RES
Output
CD DSP reset.
6
P33
CD_DRF
Input
CD DRF level detection.
7
P34
CD_WRQ
Input
CD write read request.
8*
P35
PROG0
Input/Output
Open
9*
P36
PROG1
Input/Output
Open
10*
P37
PROG2
Input/Output
Open
11
RES
RESET  IN  PUT
Input
Reset signal input.
12
XT1
XT1
Input
Open
13
XT2
XT2
Input/Output
Open
14
VSS1
GND
Ground voltage.
15
CF1
CF1
Input
Main clock.
16
CF2
CF2
Output
Main clock.
17
VDD1
VDD1
(+) Power supply.
18
P80
KEY1_IN
Input
Key input.
19
P81
KEY2_IN
Input
Key input.
20*
P82
NO USE
Input/Output
Open
21
P83
FAN_PRT
Input
Fan protect circuit input.
22
P84
MODE_CKECK
Input
Ground level input.
23
P85
T2_TAPE2_SW
Input
Tape SW detection.
24*
P86
T1_TAPE1_SW
Input/Output
Open
25*
P87
RDS_VSM
Input/Output
Open
26
P70
SYS_STOP
Input
System stop input.
27
P71
X-BASS/DEMO
Input
Key input.
28
P72
POWER_KEY
Input
Key input.
29
P73
IRQ
Input
Remocon input.
30-38
S0/T0-S8/T8
G9-G1
Output
FL(VFD) segment driver.
39*-45*
S9/T9-S15/T15
NO USE
Input/Output
Open
46
VDD3
VDD3
(+) Power supply.
47-50
S16-S19
P1-P4
Output
FL(VFD) segment driver.
51
FIX0
GND
Connect to GND.
52-67
S20-S35
P5-P20
Output
FL(VFD) segment driver.
68
S36
DISC_NO_SW
Input
Tray disc no. SW detection.
69
S37
DISC1_SW
Input
Tray disc 1 SW detection.
70
S38
DISC_UP_SW
Input
Tray disc up SW detection.
71
S39
CLOSE_SW
Input
Tray close SW detection.
72
VDD4
VDD4
(+) Power supply.
73
S40
ROTATE
Output
Tray motor control.
74
S41
DISC_DOWN_SW
Input
Tray disc down SW detection.
75
S42
OPEN_SW
Input
Tray open SW detection.
76
S43
TAPE_BIAS
Output
Tape record bias.
77
S44
REC_PLAY
Output
Tape REC/PLAY change.
78
S45
REC
Input
Tape 2 rec SW detection.
79
S46
MOTOR
Output
Tape motor control.
80
S47
T1_SOL
Output
Tape 1 solenoid control.
81
S48
T2_SOL
Output
Tape 2 solenoid control.
82
S49
T1_RUN_PLUS
Input
Tape 1 RUN PULSE input.
83
S50
T2_RUN_PLUS
Input
Tape 2 RUN PULSE input.
Port Name
Terminal Name
Pin No.
Input/Output
Function
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