Sharp UX-177, Руководство по обслуживанию

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IC11: VHiULN2003AN/ (ULN2003)
IC8: VHiHEF4066BT1 (HEF4066BT)
IC4: VHiNJM2902M-1 (NJM2902)
IC2: VHi27C1000PC5
ONE time ROM
IC2: VHiNJM2903M/ (NJM2903)
IC104: VHiPST591CMT1 (PST591C)
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
1B 2B 3B 4B 5B 6B 7B E
1C 2C 3C 4C 5C 6C 7C COM
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
+ –
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
4 3
1 2
Lot No.
47K 47K
OSC
T Q
R
DELEY
3 VCC
1 VOUT
4 GND
2 MANUAL
RESET
5 9 1 C
Pin name Signal
A0~A16 Address input
E Chip enable
G Output enable
GND Ground
NC No connection
PGM Program
DQ1~DQ8 Data output (Program input)
VCC +5V power
VPP +12.5V power (*)
(*) Only in the program mode
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)
1. A OUTPUT
2. A- INPUT
3. A+ INPUT
4. V-
5. B+ INPUT
6. B- INPUT
7. B OUTPUT
8. V+
+ -
1
A
+ -
B
2
3
4
8
7
6
5
UX-177H
8 – 5