Service manual

UX-340L/UX-345L
UX-330L
8 – 5
IC12: VHiNJM2902M-1 (NJM2902M)
IC8: VHiPST596CMT1 (PST596CNR)
IC4: VHi27C20012MX (27C020)
ROM
IC10: 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
2
M/R
SUB
5 VCC
(TOP VIEW)
3GND 4 VOUT
1
2
3
4
CD
FC2
FC1
VIN
8
7
6
5 VO1
VCC
GND
VO2
(TOP VIEW)
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
D0
32
31
30
29
28
27
26
25
24
23
22
21
20
VCC
PGM
A17
A14
A13
A8
A9
A11
OE
A10
E
D7
D6
14
15
16
D1
D2
GND
D5
D4
D3
19
18
17
(TOP VIEW)
Pin name
A0~A17
E
OE
GND
PGM
D0~D7
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