![WILLETT 450 SI Technical Manual Download Page 90](http://html.mh-extra.com/html/willett/450-si/450-si_technical-manual_981744090.webp)
chgnd
1
2
F8
50mA
1
2
R1
470R
1
2
R8
470R
1
2
D3
1
2
D4
1
2
D1
1
2
D2
1
2
D5
1
2
D6
1
2
F1
50mA
1
2
R34
100K
1
2
R39
470K
1
2
C3
100nF
2
1
D39
1N4148
1
2
R10
10M
VREF
+15V
1
2
R32
4k7
2
1
REF1
LM336Z2.5
1
2
C1
100nF
1
2
3
4
5
6
7
8
9
RPACK1
SIL9
5
4
2
3
1
2
U3A
LM339
VCC
VCC
1
2
C2
100nF
VO
3
G
N
D
2
VI
1
REG1
78L05
+15V
LEVELSOUT
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
31
32
33
34
JP1
IDC34
MixerLow
7
6
1
U3B
LM339
9
8
14
U3C
LM339
VCC
1
2
C8
100nF
1
2
C9
100nF
2
1
D37
1N4148
2
1
D38
1N4148
1
2
R11
10M
1
2
R35
100K
1
2
R36
470K
1
2
R37
100K
+15V
1
2
D12
1
2
D11
chgnd
chgnd
1
2
F2
50mA
1
2
D9
1
2
D10
1
2
R2
470R
1
2
D13
1
2
D14
1
2
D17
1
2
R3
470R
1
2
R4
470R
1
2
D16
1
2
D15
1
2
D20
chgnd
1
2
F3
50mA
1
2
F4
50mA
1
2
R22
100K
3
2
1
8
4
U1A
TL082
-15V
1
2
C16
100nF
1
2
R23
15k
1
2
R38
470K
1
2
R20
100K
1
2
R31
470K
1
2
R33
100K
+-6volts
1
2
R9
10M
1
2
R12
10M
1
2
C10
100nF
1
2
C11
100nF
2
1
D35
1N4148
2
1
D36
1N4148
11
10
13
U3D
LM339
5
4
2
3
1
2
U4A
LM339
MixerOK
MixerHigh
VMSLow
VMSHigh
InkLow
SolventLow
+15V
-15V
chgnd
1
2
C5
100nF
7
6
1
U4B
LM339
9
8
14
U4C
LM339
VCC
1
2
C4
100nF
1
2
R15
10M
1
2
R18
10M
1
2
C12
100nF
1
2
C13
100nF
2
1
D33
1N4148
2
1
D34
1N4148
1
2
R26
22K
1
2
C7
100nF
1
2
R14
100K
1
2
R16
470K
1
2
R17
100K
1
2
R19
470K
1
2
R24
150K
1
2
R25
100K
1
2
R27
22K
1
2
C6
100nF
5
6
7
U1B
TL082
1
2
D19
1
2
D24
1
2
D23
chgnd
1
2
F5
50mA
1
2
D18
1
2
D22
1
2
D21
1
2
R5
470R
HEADER8X1
RESEVOIR
1
2
3
4
5
6
7
8
JP4
HEADER8
1
2
3
4
5
6
7
8
9
10
JP5
HEADER10
HEADER5X2
INKSYSTEM
1
2
D26
1
2
D25
1
2
R6
470R
1
2
R7
470R
1
2
D28
1
2
D27
chgnd
chgnd
1
2
F6
50mA
1
2
F7
50mA
+15V
1
2
F9
250mA
1
2
R13
470K
2
1
3
Q1
ZTX450
5
6
7
U5B
TL084
1
2
R41
1M
1
2
R21
10M
1
2
C14
100nF
+15V
VCC
6
COLL
5
EMIT
4
GND
8
INP
1
C1
2
C2
3
F/B
7
U6
LM2917
1
2
R42
100K
1
2
R45
1K
1
2
C18
2.2uF
+15V
3
2
1
4
1
1
U5A
TL084
1
2
R49
100K
1
2
C23
1uF
STIRRER1&2
HEADER5X1
1
2
3
4
5
JP3
HEADER5
-15V
10
9
8
U5C
TL084
1
2
R50
100R
1
2
R51
100K
1
2
R52
10R
1
2
R53
10R
1
2
R56
100K
1
2
C17
1uF
1
2
C19
1uF
1
2
C24
100nF
-15V
+15V
VCC
6
COLL
5
EMIT
4
GND
8
INP
1
C1
2
C2
3
F/B
7
U7
LM2917
1
2
R43
100K
1
2
R46
1K
1
2
R47
10K
1
2
R48
27K
1
2
R58
1K
1
2
C22
2.2uF
1
2
R44
9K1
2
1
3
Q2
ZTX450
1
2
R64
1M
1
2
R40
2K7
1
2
D7
1
2
D8
chgnd
FlyingLeadPad
1
2
D30
1
2
D29
chgnd
chassisboltholesbarrierandperipheralring
chgnd
chgnd
TG1
TARGET
TG2
TARGET
MTG1
MTG-HOLE
MTG2
MTG-HOLE
MTG3
MTG-HOLE
MTG4
MTG-HOLE
TG3
TARGET
MTG5
MTG-HOLE
MTG6
MTG-HOLE
12
13
14
U5D
TL084
1
2
R65
2K7
FL1
MTG7
MTG8
-15V
1
2
R57
27K
1
2
R59
10K
1
2
R60
1K
1
2
R61
100K
1
2
R62
100K
1
2
R63
9K1
1
2
R54
100K
1
2
R55
100R
1
2
C20
100nF
1
2
C21
1uF
FILEIS460LEVEL.SCH
2.5WWW
2.5WWW
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
2.5WWW
13V
5W
13V
5W
13V
5W
2.5WWW
2.5WWW
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
2.5WWW
13V
5W
13V
5W
2.5WWW
2.5WWW
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
13V
5W
NOTES:
1. All 470
Ω
resistors to be vitreous enamelled.
2. Fuses are 4000A breaking current, 240V fast type Belling Lee L754/PCB.
3. Zeners are 1N5360B.
4. Maintain infallible gap between input and outputs.
5. PCB to be conformally coated after assembly. CTI of PCB, solder resist and conformal coating to be not less than 175.
6.PCB minimum thickness to be 1.0 mm and minimum thickness of earth track copper to be 0.035 mm.
6(&7,21ýìíýðý7(&+1,&$/ý'(6&5,37,21
-XQýäå
,VVXHýëïì
3DJHýìíïéå
3DUWý1Rïýêíçðíéííðìíê
)LJýìíïìçýý/HYHOVýLQWHUIDFHýERDUGýFLUFXLWýGLDJUDP
Summary of Contents for 450 SI
Page 1: ...éííý6 5 6ý 217 18286ý 1 ý 7 7 1 ý0 18 ...
Page 2: ...ýý ...
Page 4: ......
Page 10: ...285 408 480 35 0 1 5 ý 1 250 7 21 õYLô LJýëýý3ULQWHUýFDELQHWýGLPHQVLRQVýõPPô ...
Page 144: ...6 7 21ýìíýðý7 1 ý 6 5 37 21 XQýäå VVXHýëïì 3DJHýìíïìíë 3DUWý1Rïýêíçðíéííðìíê ...
Page 340: ...6 7 21ýìëýðý 8675 7 ý3 576ý 67 XQýäå VVXHýëïì 3DJHýìëïêç 3DUWý1Rïýêíçðíéííðìíê ...