Read Sharp CD-C411H (serv.man10) Service Manual online
CD-C421H / C411H
– 48 –
IC701 RH-iX0223AWZZ:System Microcomputer (IX0223AW) (1/2)
1-7
FIP6-0
G06-00
Output
–
8
VDD
VDD
—
+Power Supply
9
SCK0
C2B CLK
Output
C2B Serial Clock Output
10
SO0
C2B DO
Output
C2B Serial Data Output
11
SI0
C2B DI
Input
C2B Serial Data Input
12
P24
C2B CE
Output
C2B Serial CE Output
13
P23
SUB STB
Output
Serial Stove Output For CD/TAPE Microcomputer
14
SCK1
SUB SCK
Output
Serial Clock Output For CD/TAPE Microcomputer
15
SO1
SUB SO
Output
Serial Data Output For CD/TAPE Microcomputer
16
SI1
SUB SI
Input
Serial Data Input For CD/TAPE Microcomputer
17
RESET
RESET
Input
Reset Input
18
P74
SUB RES
Output
Reset Output For CD/TAPE Microcomputer
19
P73
TUN MUTE
Output
Tuner Tun Mute Output
20
AVSS
AVSS
—
A/D Converter Analog Power
21
P17
TUN SD
Intput
22
ANI6
TUN SM
Input
Tuner Signal Meter Input
23
ANI5
KEY IN5
Input
Key input 37 to 45
24
ANI4
KEY IN4
Input
Key input 28 to 36
25
ANI3
KEY IN3
Input
Key input 19 to 27
26
ANI2
KEY IN2
Input
Key input 10 to 18
27
ANI1
KEY IN1
Input
Key input 1 to 9
28
ANI0
ENF IN
Input
Tuner Initial setting input
29
AVDD
AVDD
—
A/D Converter Analog +Power
30
AVREF
AVREF
—
A/D Converter Reference Input
31
XT1
VSS
Input
Sub-clock Input Connect with VSS
32*
XT2
N.C
Output
Sub-clock Output OPEN
33
VSS
VSS
—
Connect with GND
34
X1
X1
Input
Main Clock 4.19MHz
35
X2
X2
Output
Main Clock 4.19NHz
36*
P37
LED LCK
Output
LED IC Serial Clock Output BU2092 LCK
37*
P36
LED DATA
Output
LED IC Serial Data Output BU2092 Data
38*
P35
LED CLK
Output
LED IC Serial Clock Output BU2092 CLK
39*
P34
Output
Not used OUT:L OPEN
40*
P33
Output
Not used OUT:L OPEN
41*
P32
Output
Not used OUT:L OPEN
42*
P31
SYS MUTE
Output
System Mute Output
43
P30
POWER
Output
Power Output
44
P03/INTP3
AP P
—
H: CD-C451 Mode LC75396
L: CD-C431 Mode LC75394
L: CD-C431 Mode LC75394
45*
P02
**
Output
Not used OUT:L OPEN
46
INTP1
SYS STOP
Input
Power Failure Input
47
INTP0
REM IN
Input
Remote Control Input
48
IC
VSS
—
Connect with GND
49*
P72
**
Output
Not used OUT:L OPEN
50*
P71
**
Output
Not used OUT:L OPEN
51*
P70
**
Output
Not used OUT:L OPEN
52
VDD
VDD
—
+Power Supply
53*
P127
**
Input
Not used OUT:H OPEN
54-70
FIP32-16
S21-05
Output
FL Display Segment Drive
71
VLOAD
VLOAD
—
FL Drive –Power,to be connected to –30V
72-76
FIP15-11
S04-00
Output
FL Display Segment Drive
77-80
FIP10-7
G10-07
Output
FL Display Grid Drive
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
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