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OWNER’S MANUAL
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54321
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Title
Number RevisionSize
B
Date: 14-Oct-2002 Sheet of
File: G:\ENGINEERING\AN74_I\Sch_PCB\AICUE.DDBDrawn By:
1
3
9
10
12
7
4
6
T1 14A-30-24
C4
22pF
C5
22pF
C11
0.01
C6
0.01
C7
0.01
C8
0.01
4C
16
3C
10
2C
8
1C
2
4B
15
3B
11
2B
6
1B
3
CLAMP
9
CLAMP
1
E
5
E
4
E
12
E
13
VCC
14
U4 ULN2068
D2
3A
D1
3A
C1
2200
C2
330
C3
1000
ALARM
NC
2
NC
3
VCC
24
AD5
9
AD4
8
AD3
7
AD2
6
AD1
5
AD0
4
AD7
11
MOT
1
AD6
10
NC
16
CS
13
AS
14
R/W
15
NC
21
DS
17
RST
18
SQW
23
NC
20
VSS
12
NC
22
IRQ
19
U2
DS12887
X1
16MHz
C9
0.01
C10
0.01
+5
2
GND
1
AC
3
AC
4
SSR2 SSR
+5
2
GND
1
AC
3
AC
4
SSR1
SSR
P1.3
22
P1.4
23
HSI.0/SID.0
24
RESET
16
RD
61
P1.2
21
P1.1
20
ACH5
10
ACH4
11
ANGND
12
Vref
13
Vss
14
EXTINT/P2.2/PROG
15
HSI.1/SID.1
25
P1.0
19
P3.0
60
P3.1
59
P3.2
58
P3.3
57
P3.4
56
P3.5
55
P3.6
54
P3.7
53
P4.0
52
P4.1
51
P4.2
50
P4.3
49
P4.4
48
P4.5
47
P4.6
46
P4.7
45
ALE/ADV
62
TXD/P2.0/PVER
18
RXD/P2.1/PALE
17
ACH7
9
A6/P.6/PM.2
8
ACH2/P0.2
7
ACH0/P0.0
6
ACH1/P0.1
5
ACH3/P0.3
4
NMI
3
EA
2
Vcc
1
Vss
68
XTAL1
67
XTAL2
66
CLKOUT
65
BUSWIDTH
64
INST
63
P2.3/
44
READY
43
T2RST/P2.4/AINC
42
WRH/BHE
41
WRL/WR
40
PWM/P2.5
39
P2.7/T2 CAPTURE/PACT
38
Vpp
37
Vss
36
HS0.3
35
HS0.2
34
P2.6/T2UP-DN
33
HOLD/P1.7
32
HLDA/P1.6
31
BREQ/P1.5
30
HS0.1
29
HS0.0
28
HSI.3
27
8XC196/KB/KC/KD
HSI.2
26
T2CLK
U1
BLO
PUR
SVA1
SV1
SV2
D5
D6
D7
D4
D3
D2
D1
D0
GND
R/W
AS
CS
DS
VCC
D0
D1
D2
D3
D4
D5
D6
D7
DS
R/W
AS
EN
D0
D1
D2
D3
D4
D5
D6
D7
GND
VCC
GND
R/W
GND
EN
GND
R1 20
KEY2
KEY1
VCC
GND
TEMP
HUMI
VCC
VCC
GND
KEY2
PURGE
KEY1
GND
VCC
GND
VS3
TEMP
HUMI
VS3
VS2
VS1
BLOWER
AN74 i CONTROLLER
AICUE
11
L. Lee
VCC
GND
GND
1
2VS3
1
2VS2
1
2VS1
1
2SV1
1
2SV2
1
2
3
TEMP
+12V
+12V
HEATER
POWER
HEATER
POWER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LCD
SV1
1
2
B_L
1
2
P_N
1
2
P_L
1
2
NEU
1
2
LINE
1
2
B_N
JP1
JP2
VCC
VCC
VCC
VCC
C15
10
C16
10
C14
0.01
R2 20
R3
475
KEY1
CS
PURGE
BLOWER
PUR
BLO
DOOR
VCC
DOOR
R5 475
KEY2
1
2DOOR
1
2
3
4
5
6
7
8
9
10
RG2 15K
1
2
3
4
5
6
7
8
9
10
RG1 15K
1
2BEEP
Z1
VSW1
VSW2
1
2
3
4
5
6
RG3 15K
C13
0.01
C12
0.01
R4 2.21K
1
2
3
4
KEYPAD
GND
L1
L2
L3
L4
1
2
3
4
5
6
RG4 1K
R6 4.75K
+12V
VCC
VCC
1
2
HEATER
MR
1
VCC
2
GND
3
PFI
4
WDO
8
RST
7
WDI
6
PFO
5
U7 MAX705
WDI
VCC
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
11
E1
1
E2
19
U3 74HC540
1
2HUMI
E1
VSW1
VSW2
SV2
SVA2
VS2
VS1
VCC
GND
Vin
1
GND
3
FB
4
Vout
2
ON
5
U6 LM2575-5
Vin
1
GND
3
FB
4
Vout
2
ON
5
U5 LM2575-12
LC1 100
LC2 330
D4
1N5819
D3
1N5819
R7 2.21K
SCL
WP
SDA
A0
1
A1
2
A2
3
GND
4
VCC
8
WP
7
SCL
6
SDA
5
U8 AT24C01A
VCC
WP
SCL
SDA
D5
1N5819
White
Red
Black
COOLING
FAN
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