CAS PW-10H, Руководство по обслуживанию

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PW-II Service Manual
15
3.2. Circuit Diagram
3.2.1. Main
S1 ZERO
C
Q2
KTN2222AS
Q4
KTN2222AS
VDD
R6
100K
C13
0.1uF
Vbat
0
PW-2 MAIN CIRCUIT DIAGRAM
A3
1 1 Saturday , August 26, 2006
Title
Size Document Number Rev
Date: Sheet of
S3 HOLD
C19
0.1u
Low Battery Check
R15
100k
R3
10K
C12
0.1u
R13
10k
CN62
J1
1
2
3
S4
ON/OFF
CAL S/W
E
VDD
L6
471u
CY 1
Q3
KTA1504SY
Q1
2N2222AS R14
10k
V+
Vin
POWER_CHK
1
+
C3
330u/25v
C10
30p
B
S2 TARE
U5
1
2
3
4
5
6
VIN+
GN
D
SCL
SDA VD
D
VIN-
R9
0.5%
10k
BUZZER
1 2 3 4 5
6 7 8 9 10
1 2 3 4 5
6 7 8 9 10
+ C1
1u/50v
R4
10k
VDD
R7
100K
C5
0.1uF
D1
KDS184
2 1
3
KTA1504
U3
24C02
1
2
3
4
5
6
7
8
A0
A1
A2
VSS SDA
SCL
WP
VDD
VDD
LCD1
SW-II LCD
1 2 3 4 6 7 8 9 5 11 12 13 14 15 16 17 18 19 20 21 10 22
C0 C1 C2 C3
ST
ABL
E/
L
/O
/K
1F
/1
G
/1E
/1
D
1A
/1
B
/1C
/
/
/1
P
/1
Z
S2
/S
3
/S4
/H
I
2A
/2
B
/2C
/
/
/2
P
/2
Z
3F
/3
G
/3E
/3
D
3A
/3
B
/3C
/
/
/3
P
/3
Z
4F
/4
G
/4E
/4
D
4A
/4
B
/4C
/
/
/4
P
/4
Z
5F
/5
G
/5E
/5
D
5A
/5
B
/5C
/
O
Z
/L
B/
K/
G
2F
/2
G
/2E
/2
D
PC
S
VDD
AUTO POWER
2 E
C11
30p
R22
100
U2
XC6204C502MR
1
2
3
5
VIN
VSS
CE
VOUT
VDD
FROM A/D
VDD
KTN2222AS
C
+ C4
100u/16v
R10 10k
R18
2.2k
JP1
1
2
B
R12
10k
6100-PW2-0000-0
KTN2222AS
R11 10k
CAL S/W
C6
0.1uF
POWER_CHK
AUTO POWER
B
KDS184
R5
100
C 3
E
U2 uPD789324
1 2
3
4
5
6
7
8
9
10
11 12 13
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 35
38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
34 31 32 33
re
s
e
t
P
60/
T
O
40 P43/KR03
P42/KR02
P41/KR01
P40/KR00
P03
P02
P01
P00
IN
T
/P
6
1
P1
1
P1
0
CO
M
0
CO
M
1
CO
M
2
CO
M
3
S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 S1
0
S1
1
S1
2
S1
7
P
82/
S
2
0
P
81/
S
2
1
P
80/
S
2
2
S23
VLC0
P22/SI10
P21/SO10
P20/SCK10
ICO(VPP)
XT1
XT2
Vss
VDD
X2
X1 S1
6
S1
3
S1
4
S1
5
VDD
L5
471u
VDD
VIN+
R8
12K
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