5
470nf/100v
C1
~
~
D D
~
~
C C
~
BR1
~
470nf/100v
470nf/100v
BR1
+
~
-
~
470nf/100v
1uF/63V
+
-
1uF/63VC15
10000uF/80v
C12
C2
10000uF/80v
C14
10000uF/80v
C13
10E
DEFAULT
R1
C3
10000uF/80v
C9
1uF/63V
10000uF/80v
R1
R2
12
z1
18V.1W
18V.1W
1 2
4
C4
10000uF/80v
C11
C10
1uF/63V
1uF/63V
M2
R2
IRF 540
Q1
R4
R3
22E
4K7
IRF 540
Q2
R5
R6
4K7
22E
D1
40CPQ100
1 2
33 3
1 2
R7
40CPQ100
1 2
3
C7
1uF/63V
R9
68E,3W
IRF 540
Q3
R49
22E
D2
R17
1 2
5n6
IRF 540
L1
10E,3W
C17
R50
4K7
C8
Q18
470uF/63V
C18
R8
12
10E
5n6
C19
18V,1W
PT2B
1 2
18V,1W
470uF/63V
470uF/63V
1uF/63V
C20
2
C5
C6
1uF/63V
C21
22ER10
R1122E
4K7
1uF/63V
1uF/63V
IRF 540
Q4
22E
R12
L2
C22
C23
1uF/63V
R13
4K7
IRF 540
C24
R14
22E
220uF/63V
Q5
R15
4K7
1
IRF 540
Q6
R51PT1B 4K7
22E
+
0-36VDC
40A
R52
4K7
R16
Q19
68E,3W
5n6
C16
IRF 540
_
B B
SHUNT
SHUNT
SHUNT
I
NO
A A
SCHEMATIC CIRCUIT DIAGRAM OF
DESCRIPTION APP CHK
A M E N D
DATE :-
DATE
2/02/2008
PS 1440 POWER CIRCUIT
DRG NO. REV.
SIL/16/0327
5
4
3
2
1
00
5
4
3
2
1
1N4002
2
1
1N4002
D3
1 2
D5
1 2
D D
TRANSFORMER I/P
C C
D4
1N4002
1 2
D6
1 2
1N4002
C27
10uF/25V
C30
1uF/63v
R29
470E
Q7
TL431
1nFC28
5
THERMAL CKT BREAKER
4 8
Q5
R31
2.2K
BC547
Q8
R30
2.2K
BD139
R32
3.9K
R33
1K
FAN1
FAN2
FAN3
FAN4
C29
10uF/25V
G1
G2
G3
G4
CIRCUIT FOR FAN CONTROL
L3
L1
B B
P
C3
1n/Y2
E
C6
1n/Y2
4n7/Y2
C5
4n7/Y2
C4
R1 1M
1M
C1
1uF/X2
C2
1uF/X2
N
L2
A A
5
CIRCUIT FOR EMI FILTER
4
3
R2
TXFR1
TXFR2
NO
SCHEMATIC CIRCUIT DIAGRAM OF
DRG NO. REV.
SIL/16/0330
DESCRIPTION APP CHK
A M E N D
DATE :-
.
PS 1440 EMI FILTER&FAN CIRCUIT
2
DATE
2/01/2008
00
1
5
+
BC547
Q3
D D
12V
1 2
1 2
SW1
SW2
R20 27K
2
R19
6K8
R18
2K2
1
3
FROM CIRCUIT
-12V
C C
4
3
R22
C25
4K7
2.2uF/63V
3
2
1
STP80PF55
2
3
+
TRANSFORMER I/P
2
CON16
2
1
1N4002D7 100E,1wR66
4701uF/16V
C53
1
CON17
Z7
9.1v
1
2
DCM SUPPLY
CIRCUIT FOR DCM SUPPLY
1
STP80PF55
3
2
1
STP80PF55
C24
220uF/63V
SHUNT
SHUNT
SHUNT
C23
220uF/63V
TO TERMINAL
-
TRANSFORMER I/P
1N4002D8
100E,1wR65
CON14
CON13
2
1
C52
470uF/16V
Z6
9.1v
1
2
DVM SUPPLY
CIRCUIT FOR DVM SUPPLY
R48
I
2.2K
L2
12
RL2
V SENSE -
12V
V SENSE +
R21 1K5
LD1
1 2
CIRCUIT FOR O/P ON-OFF
B B
A
+VCC
B
A A
5
6
+
-
LM358
84
V+V-
OUT
7
1k
PR5
1
2
3
TWO WAY SWITCH
1
2
NO
SCHEMATIC CIRCUIT DIAGRAM OF
DESCRIPTION APP CHK
DATE
A M E N D
2/2/2008
DATE :-
.
O/P ON-OFF,C-LIMIT,METER DISPLAY CIRCUIT
DCM
DRG NO. REV.
CIRCUIT FOR C-LIMIT
SIL/16/0329
00
5
4
3
2
1
5
3
100uF/25v
C3
R10
2K2
D D
R38
2R2
C C
Z1
R11470E
1
2
CN5
PT1A
CV-LED
CN4
2
1
+VCC
THERMAL SWITCH
R28
470E
1
2
B B
1 2
6.2V.1/2W
CC-LED
1
2
Z2
1 2
6.2V,1/2W
A A
R27
470E
2
1
I SENSE
R12 12K
1n
C20
100KPF
C16
THERMAL INDICATOR
C26
I
5
C11
C15
470NF
100ER26
10uF/25v
PR2
500E
+VCC
3
1
1
3
+Vr
BC547
BC556
A
100KPF
2
2
Q1
1
100KPF
U2
6
5
14
13
4
C19
R13
+VCC
OUT
R23 10M
100Kpf
6
5
14
13
4
84
V+V-
C22
C7
220E,3W
-VEE
10uF/25V
8
12
8
12
TL494
9
10
9
10
R14
220E,3W
U4A
LM358
6
-
5
+
R22 2K2
C21
1n
U1
7812
2
11
11
7
15
7
15
Q3
2
Q4
2
R39+R37
47K+56K
100E R1
U6
4
5
4
C1
1
C15
100nF
16
16
1
BC547
3
1
100KPF
3
BC556
R25 470K
+VCC
4 8
2200uF/35v
2
100uF/25v
2
2
1
1
3
3
C17
R24 100K
LM336/2.5V
3
3
C12
220pF
180K//680KR18
7912
C4
R7
C13
22NF
C18
100KPFQ2
PT2B
U2
1
10K
22K PR4
D1 1N 4007
D2
470uF/35v
C2
R8
6K8
R9 10k
33NF
12
1N4007
R21
10K
C21
2
C14 22NF
10K
CN10
1K
3
TRANSFORMER I/P
1
2
B
C24
C23
10uF/25V
3
+Vr
R4
15k
C8
10K
C10
10uF/25V
1K
R20 220E
1n
R19
1k
100NF
TL431
5
U5
4 8
P0T2
CN2
R14
PR4
1k
NO
SCHEMATIC CIRCUIT DIAGRAM OF
DRG NO. REV.
SIL/16/0328
2
R1
150E
R2
C30
1k
10uF/25V
R3
1k
R5
15K
R36
1k
R14
+12V
10K
22K
R15
10K
DESCRIPTION APP CHK
-12V
A M E N D
PS 1440 CONTROL CIRCUIT
2
R6 10E
5KPR1
2.2uF/63V
C11
C9
1n
DATE :-
1
1
DVM
1
2
16/05/2007
DATE
V SENSE
1
2
00
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