Sharp UX-108 Service Manual

UX-108U/178U/188U
FO-375U
8 – 4
[2] IC signal name
CONTROL PWB UNIT
IC10: VHiNJM2904M-2 (NJM2904M)
IC7: VHiULN2003AN/ (ULN2003A)
IC5: VHiW24257S7LL (W24257S-70LLT)
IC6: VHiHCF4053M1T (HCF4053B)
– +
–
+
1
8
PIN NAME
1. A OUTPUT
2 .A–INPUT
3. A+INPUT
4. GND
5. B+INPUT
6. B–INPUT
7. B OUTPUT
8. V+
(TOP VIEW)
3
6
2
7
4
5
B
A
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
Signal
A0~A12
CE1/CE2
WE
OE
I/O1~I/O8
VCC
GND
N.C.
Address input
Chip enable
Write enable
Write enable
Data I/O
Power source
Ground
No connection
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ1
DQ2
DQ3
GND
28
27
26
25
24
23
22
21
20
19
18
17
DQ5
DQ6
DQ7
DQ8
S1
A10
S2
A11
A9
A8
A13
W
VCC
(TOP VIEW)
16
15 DQ4
Pin name
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

Sharp UX-108 Specifications

General

Brand	Sharp
Model	UX-108
Category	Fax Machine
Language	English