Sa, Main Pcb (11/13) [I/F (Rs232C, Option)] - Citizen CL-S6621 Technical Manual

1 2
D
2 6 , 1 , 2 1 , 3
n G R E S E T
C
B
2
U B N I T P
2 U S B O N
A
1 2

SA, Main PCB (11/13) [I/F (RS232C, Option)]

3 4
V 3 R 3
C 1 2 3
U 2 5
1 u B / 1 6
1 9
V c c
T 3 5 9 2 3
C 1 + V +
C 1 2 4 C 1 2
1 u B / 1 6 4 1 u B / 1 6
C - 1
T 3 6 2
T 3 6 3 5 7
C 2 + - V
C 1 2 6 C 1 2
1 u B / 1 6 6 1 u B / 1 6
C - 2
T 3 6 5
T X D 1 1 3 1 7
2
T X D 1 T 1 N I T 1 O U T
D T R 1 1 2 8
2 D T R 1
T 2 N I T 2 O U T
R X D 1 1 5 1 6
2
R X D 1 R 1 O U T R 1 N I
D S R 1 1 0 9
2 D S R 1
R 2 O U T R 2 N I
1 1 1
E N N C 1
2 0 1 4
S H D N N C 2
1 8
G N D
C I L 3 2 2 2 E V I Z
V 3 R 3
C 1 2 8
U 2 6
1 u B / 1 6
1 9
V c c
2 3
T 3 7 1
C 1 + V +
C 1 2 9 C 1 3
1 u B / 1 6 4 1 u B / 1 6
C - 1
T 3 7 3
T 3 7 4 5 7
C 2 + - V
C 1 3 1 C 1 3
1 u B / 1 6 6 1 u B / 1 6
C - 2
T 3 7 6
1 3 1 7
2
R T S 1 T 1 N I T 1 O U T
1 2 8
T 2 N I T 2 O U T
1 5 1 6
2
C T S 1 R 1 O U T R 1 N I
1 0 9
2 R S _ N I T I
R 2 O U T R 2 N I
1 1 1
E N N C 1
2 0 1 4
S H D N N C 2
1 8
G N D
C I L 3 2 2 2 E V I Z
6
n S L C - T N I C / T S
6
n A T F D X - T D / S R
6 n S T R O B / E O I C O
D
D A T [ A : 7 ] 0 D
6 D A T [ A : 7 ] 0
D
D
D
D
D
V 3 R 3 D
6
10k
T 3 7 8
6
Q 2 9
6
D T A 1 1 4 E M
10k
6
6
T 3 7 9
6
6
R 1 2 5
1 5 . k
2
U D P
2
U D M
6
U 2 7 C U 2 7 B T 3 8 0 R 1 2 6
2
2 0 k 1 / %
2
6
C 1 3 3 R 1 2 7
3 3 p 5 / 0 3 0 k 1 / %
7 4 V H C 1 3 2 D T 7 4 V H C 1 3 2 D T
V 3 R 3
U 2 7 A
R 1 2 8
1 k T 3 8 1
7 4 V H C 1 3 2 D T
U 2 7 D U
7 4 V H C 1 3 2 D T
7 4 V H C
3 4
5 6
T 3 6 0
5 T 3 6 1
J 1 6
L P 1
T 3 6 4
7
1 V 3 R 3
2 1 4
T 3 6 6 T X D
T 3 6 7 R X D 3 1 5
T 3 6 8 R T S 4 1 6
T 3 6 9 C T S 5 1 7
T 3 7 0 D S R 6 1 8
7 1 9
8 2 0 D T R
9 2 1
1 0 2 2
1 1 2 3
1 2 2 4
1 3 2 5 N I T I
L P 2
2 2 5 A E 2 5 F G T B B A 3
R S 2 3 2 C I F /
T 3 7 2
0
T 3 7 5
2
T 3 7 7
V 3 R 3
V 5 R 0 V 2 4 R 0
J 1 7
1
S E L E C - T N I C / S T p / N I
2
A U T O F D X T D / S R
3
A T A 0 S T / B O C 0 I
4
A T A 1 D A T A 0 D / P I S W 0 h / E P
5
A T A 2 D A T A 1 D / P I S W 1 h / E P
6
A T A 3 D A T A 2 D / P I S W 2
7
A T A 4 D A T A 3 D / P I S W 3
8
A T A 5 D A T A 4 D / P I S W 4
9
A T A 6 D A T A 5 D / P I S W 5
1 0
A T A 7 D A T A 6 D / P I S W 6
1 1
D A T A 7 D / P I S W 7
n N I T I n / P I R M E 1 2
n P I R M E
B U S Y R / T S
1 3
B U S Y R / T S p / E P 0 0
n A C K N L G D / T R 1 4
A C K D / T R p / E P 0 1
n F A U L T
1 5
F A U L T h / N I T
S L C T P / P O N 0 1 6
S E L E C T P / P O N 0
P E
1 7
P E
D S W O U T 1 8
D W S W o t u
1 9
U S B H O S T _ D +
2 0
+ 5 V
2 1
U S B _ D +
2 2
U S B _ D -
2 3
V B U S
T X D 0 S / O / 0 O B D R I 2 4
T X D S / O D / R I
R X D 0 S / 0 I 2 5
R X / D I S
S C K 0
2 6
S C L K
F I R E S E T 2 7
R E S E T
2 8
+ 2 4 V
2 9
+ 2 4 V
3 0
+ 2 4 V
3 1
+ 2 4 V
3 2
+ 2 4 V
3 3
C 1 3 4 . P G N D
3 4
2 2 . u B / 1 0 . P G N D
3 5
. P G N D
3 6
. P G N D
2 7 E V 3 R 3
3 7
. P G N D
1 4
3 8
V
. P G N D
3 9
U S B H O S T _ D -
C 1 3 5
4 0
. S G N D
7
0 1 . u B / 1 0
G
T X 2 5 4 - 0 P 8 - S T
I F / P C B C O N N E C T O R
1 3 2 D T
5
6
6-13
Chapter 6. Circuit Diagrams
7
T
0 0
0 1
Title
MAIN PCB / I/F (RS232C, OPTION) (11/13)
Size Number
PPS00058-**
A4
Date: Sheet
File: Drawn By:
7
8
D
C
B
A
Revision
A
of
8
CL-S6621