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20 Electronic Circuit Diagram
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CS-A28BKP5 / CU-A28BKP5
SCHEMATIC DIAGRAM 1/3
72
SENSOR (15K,3950)
INTAKE AIRE TEMPERATURE
X1
CST4.0MGW
CST4.0MGW
R17
1M
1M
R2
1K
R14
5.1K
5.1K
R9
1K
1K
C4
103
C1
103
103
R10
10K
10K
R11
10K
10K
C2
103
103
R8
10k
C8
103
+
C9
1µF/50V
R1
1K
R4
15K
15K
R18
5.1K
5.1K
+5V
O
I
G
IC4 AN7805
+C3
10uF/16V
R19
10K
C7
103
SW2
SW1
S-TEST
Q1
2SC1740
Q2
DTC113ZS
R6
100K
100K
R5
4.7K
4.7K
R7
10K
Q3
DTC114ES
+
C26
220uF/6.3V
C15
104
104
C14
104
104
1
2
3
EH-3
1
2
3
CN-RCV-A
EH-3
R12
10K
10K
R3
1K
1K
R25 1K
R26 1K
ZD1
MTZJ7.5B
+
C5
10uF/16V
RCV
RCV
12V
12V
+
220u/6.3V
C16
104
104
C17
AUTO RUN
PUMP DOWN
+
C11
100u/6.3V
SENSOR (20K,3950)
PIPE TEMPERATURE
+ C21
10uF/16V
R20
20K
20K
C22
103
103
R15
R13
10K
F-TEST
1K
R29
470
R28
470
R27
470
1
2
3
CN-SW-A
PH-3
4
3
2
1
CN-TH
XH-4
R16
10K
C13
104
104
1
2
3
CN-SW-B
PH-3
CN-RCV-B
TCMP1
1
PD7
2
PD6
3
PD5
4
NC
5
NC
6
NC
7
VRL
8
VRH
9
PD4
10
VDD
11
PD3
12
PD2
13
PD1
14
PD0
15
NC
16
OSC1
17
OSC2
18
RESET
19
IRQ
20
PLMA
21
PLMB
22
TCAP1
23
TCAP2
24
PA7
25
PA6
26
PA5
27
PA4
28
PA5
29
PA2
30
PA1
31
PA0
32
PB7
33
PB6
34
NC
35
PB5
36
PB4
37
PB3
38
PB2
39
PB1
40
PB0
41
NC
42
VSS
43
PC7
44
PC6
45
PC5
46
PC4
47
PC3
48
PC2
49
NC
50
PC1
51
PC0
52
RDI
53
SCLK
54
TD0
55
TCMP2
56
IC1
C4083-910
+
C6
220uF/6.3V
ELECTRONIC CIRCUIT
CS-A28
BKP5
/CU-A28
BKP5
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