Service manual

IC10: VHiNJM2902M-1 (NJM2902M)
IC8: VHiHEF4066BT1 (HEF4066)
IC1: VHiMC74HCU04F (MC74HCU04F)
IC3: VHi27C02012TI (27C020)
EP-ROM
IC2: VHiULN2003AN/ (ULN2003ANS)
IC12: VHiNJM2113M-1 (NJM2113M)
+
–
1
A
+
–
D
2
3
4
14
13
12
11
5
6
7
10
9
8
+
–
B
+
–
C
D OUTPUT
D-INPUT
D+INPUT
GND
C+INPUT
C-INPUT
C OUTPUT
B OUTPUT
B-INPUT
B+INPUT
V+
A+INPUT
A-INPUT
A OUTPUT
1
3
5
7
14
12
10
8
IN/OUT
OUT/IN
CONT. B
VDD
CONT. D
OUT/IN
IN/OUT
2
OUT/IN
4
IN/OUT
6
CONT. C
13
11
9
CONT. A
IN/OUT
OUT/IN
VCC
OUT/IN IN/OUT
SWA
OUT/IN IN/OUT
SWD
IN/OUT OUT/IN
SWB
IN/OUT OUT/IN
SWC
14 13 12 11 10 9
123456
1A 1Y 2A 2Y 3A 3Y
VCC 6A 6Y 5A 5Y 4A
8
4Y
7
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
VPP
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ1
32
31
30
29
28
27
26
25
24
23
22
21
20
VCC
PGM
NC
A14
A13
A8
A9
A11
G
A10
E
DQ8
DQ7
14
15
16
DQ2
DQ3
GND
DQ6
DQ5
DQ4
19
18
17
(TOP VIEW)
Pin name
A0~A17
E
G
GND
PGM
DQ1~DQ8
VCC
VPP
Signal
Address input
Chip enable
Output enable
Ground
Program
Data output (Program input)
+5V power
+12.5V power(*)
(*) Only in the program mode
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
1
2
3
4
CD
FC2
FC1
VIN
8
7
6
5 VO1
VCC
GND
VO2
(TOP VIEW)
UX-510U/UX-510C/UX-500U
UX-500C/FO-1460U
8 – 5