Chapter 5 Electricity Composition
AC-4000H Service Manual No. 085-7323-08
5-4
Key board (2)
(XJ27)
Name
HIF6A-26PA-1. 27DSA
Pin No.
Function
I/O
Pin No.
Function
I/O
A1
KS0
Power source
B1
KS1
Output
A2
KS2
Power source
B2
KS3
Output
A3
KS4
Power source
B3
KS5
Output
A4
KS6
Power source
B4
KS7
Input
A5
KD0
Power source
B5
KD1
Input
A6
KD2
Power source
B6
KD3
Input
A7
KD4
Power source
B7
KD5
Input
A8
KD6
Power source
B8
KD7
Input
A9
KD8
Power source
B9
KD9
Output
A10
KD10
Power source
B10
KD11
Output
A11
KD12
Power source
B11
KD13
Output
A12
KD14
Power source
B12
KD15
Output
A13
BZR
Output
B13
VCC
Output
AC-3000 type VFD display
(XJ11)
Name
B9B-XH-A
Pin No.
Function
I/O
Remarks
1
+5V
Power source
2
GND
Power source
3
+24V
Power source
4
GND
Power source
5
D+
Input/Output
6
D-
Input/Output
7
FG
Power source
8
GND
Power source
9
RES-
Output
ASTRA type scale section
(XJ7)
Name
9/11pin stacking connector
Pin No.
Function
I/O
Remarks
1
DF_XIN
Power source
Chopping clock
2
XIN
Output
3
SDATA
Input/Output
4
SCK
Output
5
GND
Power source
16Bit A/D: CS signal
6
-
7
CAL (RES#)
Output
8
DRDY
Input
9
GND
Power source
10
+24V/+12V
Power source
11
-