CAS SW-1W - S-Send Mode and Operation

SW-1S/1C/1W Service Manual
16 2/28/2011
3.2. Circuit Diagram
3.2.1. Main PCB
Tit le
Size Document Number Rev
Date: Sheet
of
6100-PSW-0000
A
SW1S1C (MODULE VER.)
A3
11Tuesday, June 17, 2008
L7
1 2
SIG_IN+
0
+3. 3V
SIG_IN-
0
+5V
BUZZER
LCD_CS
BAT_CHK
+5V
+3.3V
LCD_WR
+3.3V
ADAPTOR JACK
3
2
1
LCD_DATA
0
C10
0.1uF
+
C11
330u/25v
+
C8
100u/16v
C9
0.1uF
U3
XC6204C332MR
VIN
1
VSS
2
CE
3
VOUT
5
+3.3V
0
0
C1
1nF
LCD_WR
0
D1
KDS184
2 1
3
S1
ON/OFF
+3. 3V
POWER_CON
R8
10k
R3 100
MODULE CONNECTOR
PART
C12
0.01uF / 3kv
POWER_CON
R5 100
C3
1nF
BUZZER
POWER_CHK
0
BUZZER 1
R4 100
C2
1nF
R6 100
0
LCD PART
SEG15 SEG2
SEG16 SEG3
0
PSEN
SEG4
SEG7
JP1
1 2
SEG5
SEG17
R2
10K
LCD1
SW-II LCD
C0
1
C1
2
C2
3
C3
4
STABLE/L/O/K
6
1F/1G/1E/1D
7
1A/1B/1C/
8
/ /1P/1Z
9
S2/S3/S4/HI
5
2A/2B/2C/
11
/ /2P/2Z
12
3F/3G/3E/3D
13
3A/3B/3C/
14
/ /3P/3Z
15
4F/4G/4E/4D
16
4A/4B/4C/
17
/ /4P/4Z
18
5F/5G/5E/5D
19
5A/5B/5C/
20
OZ/LB/ K/ G
21
2F/2G/2E/2D
10
PCS
22
SEG7
SEG6
SEG10
SEG9
SEG8
POWER_CHK
SEG13
SEG12
SEG11
+5V
SEG14
SEG16
SEG15
C7
0.1uF
SEG17
SEG4
SEG5
COM0
COM2
SEG3
COM1
COM3
SEG2
LCD_CS
SEG0
SEG1
SEG6
R7 2.2K
3 : RED
2 : GREEN
1 : BLUE
PROGRAM PART
U2
HT1621B-48 SSOP
SEG7
1
SEG6
2
SEG5
3
SEG4
4
SEG3
5
SEG2
6
SEG1
7
SEG0
8
CS
9
RD
10
WR
11
DATA
12
VSS
13
OSCO
14
OSCI
15
VLCD
16
VDD
17
IRQ
18
BZ
19
BZ
20
COM0
21
COM1
22
COM2
23
COM3
24
SEG8
48
SEG9
47
SEG10
46
SEG11
45
SEG12
44
SEG13
43
SEG14
42
SEG15
41
SEG16
40
SEG17
39
SEG18
38
SEG19
37
SEG20
36
SEG21
35
SEG22
34
SEG23
33
SEG24
32
SEG25
31
SEG26
30
SEG27
29
SEG28
28
SEG29
27
SEG30
26
SEG31
25
SEG9
SEG8
SEG11
SEG10
0
COM0
SEG13
COM1
SEG12
R11 10
TAR E
COM2
SEG0
SEG14
COM3
SEG1
LOADCELL PART
KEY & BUZZER PART
0
TP2
J5
1
2
3
4
5
SIG+
EX-
EX+
FG
SIG-
L3
1 2
0
0
TP1
L6
1 2
L5
1 2
L4
1 2
S2 ZERO
ZERO
S3 TARE
S4 HOLD
ZERO
LCD_DATA
C4
0.1uF
+
C5
100u/16v
C6
0.1uF
U1
XC6204C502MR
VIN
1
VSS
2
CE
3
VOUT
5
+5V
TAR E
CAL PART
0
BAT_CHK
R9
100k
HOLD
J4
BAT
1
2
3
0
J1
1
2
J3
B+
1
2
R1
4.7k
CAL
JP2
BAT, +5V change
REGULATOR PART
J6
B-
1
2
RS232 CONNECTOR
PART
0
Tx
R10
1k
0
L1
1 2
L2
1 2
L 102S
Rx
L 102S
ONE_MODULE1
OneModule
A_Vcc
1
A_GND
2
Bat_chk
3
P1.6
4
P1,7
5
Rx
6
Tx
7
P3.2
8
P3.3
9
P3.4
10
P3.5
11
P3.6
12
P3.7
13
P2.0
14
P2.1
15
P2.2
16
P2.3
17
P1.1
18
AIN+
36
AIN-
35
A_GND
34
P1.0
33
P0.0
32
P0.1
31
P0.2
30
P0.3
29
P0.4
28
P0.5
27
P0.6
26
P0.7
25
PSEN
24
I2C_SDA
23
I2C_CLK
22
D_Vcc
21
D_GND
20
RTC_Power
19
PSEN
Rx
Tx
HOLD
J7
1
2
3
4
5
6
7
8
9
10
11
J8
1
2
3
4
5
6
7
8
9
10
11
R E D
B L A C K
COM1
COM3
COM2
SEG2
COM0
SEG5
SEG4
SEG3
SEG1
SEG0
SEG6
SEG8
SEG7
SEG11
SEG10
SEG9
SEG14
SEG13
SEG12
SEG16
SEG15
SEG17
CAL
Q1
KTA1298
0
J2
1
2
3
4
SIG_IN+
+3.3V
SIG_IN-
+5V
+3.3V
L8
1 2