Service manual

UX-310DE
FO-730DE/NX-530DE
8 – 4
[2] IC signal name
CONTROL PWB UNIT
IC5: VHiULN2003AN/ (ULN2003ANS)
IC7: VHiTC74HCU04F(TC74HCU04F)
IC2: VHiW24010S7LE (W24010S-70LE)
IC11: VHiHCF4053M1T (HCF4053B)
16 15 14 13 12 11 10 9
12345678
1B 2B 3B 4B 5B 6B 7B E
1C 2C 3C 4C 5C 6C 7C COM
14 13 12 11 10 9
123456
1A 1Y 2A 2Y 3A 3Y
VCC 6A 6Y 5A 5Y 4A
8
4Y
7
GND
6
11
10
9
12
13
2
1
Inhibit
Controls
14
15
Common
Out/In
5
Switches
In/Out
4
3
A
B
C
X0
X1
Y0
Y1
Z0
Z1
X
Y
Z
VDD: Pin 16
VSS: Pin 8
VEE: Pin7
Signal
A0~A16
CS1/CS2
WE
OE
I/O1~I/O8
VDD
VSS
Address input
Chip enable
Write enable
Write enable
Data I/O
Power source
Ground
1
2
3
4
5
6
7
8
9
10
11
12
13
14
N.C.
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
IO1
IO2
32
31
30
29
28
27
26
25
24
23
22
21
IO7
IO8
CS1
A10
OE
A11
A9
A8
A13
WE
CS2
A15
VDD
(TOP VIEW)
20
19 IO6
Pin name
15IO3
16VSS
18 IO5
17 IO4