Lincoln Electric V160-S Service Manual page 104

G-6
SCHEMATIC - V160-S & -T (PAGE 1)
DC+a
320V
DC+
Q8 Q6
HGTP12N0604A
R26 R21
10R 10R
GH
EH
R7
C2 150K
4 F 2W C**
400V 4 F MONTARE
400V
VOLANTE
NON MONTARE R7
DC-
DC-a
+15V 1N4148 1N4148
D3 D2
COMPONENTI MECCANICI CONNESSI
ELETTRICAMENTE
D-H
HS2
D-L
HS1
K-D
HS3
R17
PTC
PTC
D-H
C12
1nF
Q4 1600V
R30
10R
3W
R19 C14
10R 10nF
1600V
R31 R32 R28 D17
BYT12PI
D-L
D11 C8
1nF
STTA1206DI 1600V Q3 Q5 Q7
HGTP12N0604A
R16
10R
3W
R18 R20
10R 10R
GL
EL
1N4148
200mA 12V/50mA
D1
R2 + C1 R11
2K7 470R IRFD110
25V
1/4W 1/4W Q2
220µF
T1D
T1A T1B
R12
100R R13
470R
D6
PWM
REC 1N4148
R8
470R IRFD110
Q1
T1C
R9
100R R10
470R
D5
1N4148
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS
R14 C6
10R 2n2F
3W 630V
D19
STTA1206D
D12
D9
C* MONTARE
10nF VOLANTE
1600V D14
TA1
110V 100A
TA2
T2A T2B
T3
C9 C10
D-H 4n7F 4n7F
4kV 4kV
R25
10R
R1
22K
CALIBR.
R3
100K
1 GIRO
IOUT
D4
BYV26B
TA1
R5
1K
0.5W
TA2
GH
D8
1N4749A
EH
GL
D7
1N4749A
EL
K-D V-O
110V 160A
L1
R27
220R
D16 C7 1W
1.5KE250 2n2F
630V
D10 D13 D15 R29
1K
R15 5W
4R7
3W
D18 C11
3n3F
R6 1600V
BYV26E 4R7
3W
R22
1mohm
R23 R24
V_FB
C_FB
OCV
V-O
IS- IS+
IS-
IS+
CALIBR.
I_SET
PTC
IOUT
TA
SOFT-START
TA
R4 +15V
4R7
0.5W
C5 C4 REC
+ +
47µF 100µF ERROR
ON/OFF
25V 25V
PWM
NON MONTARE C5
C3 +
100µF
25V
G-6
W1
C13
4n7F
4kV
GND
D20
1.5KE250
C15
4n7F
4kV
W2
A1
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
JP1
V_FB
10
C_FB
9
ERROR
8
ON/OFF
7
I_SET
6
OCV
5
4
+15V
3
2
1
X0190rev02
V160-S / T