Tweco 300 ACDC Arcmaster - Manual (Page 61)

54
TB7
TB21
TB34
TB33
TB35
CT2
D5
PCB15
DIODE Snubber
Circuit Bord
[WK-5606]
PCB12
Panel
Circuit Board
[WK-5527]
PCB13
Board
Encorder
[WK-5528]
1 2 3 4
1
2
CN
2 3
4
5
6
CN1
1 2 3 4
CN1
-15
+15
IS
GND
EB
AC4
AC2
AC1
AC4 AC2
SH.
D
E
T
-
SH
.D
E
T
+
SH.
D
E
T
-
SIDE CHASSIS 2
FRONT
PANEL
EB
Ground +
TB8
PCB14
TRANS
Bord
[WK-5594]
D7
D2
D4
CT
2
CT
1
L1
TB16
TB22
CT
4
CT
3
TB17
CT3
TB31
TB32
TB30
UB2
UB4
UB2 UB1
R2
UB4 UB3
R3
CN9
1 2 3 4 5 6 7 8 9
CN8
1 2 3 4 5
HF.UNIT1
CC2
CC1
R1
R2
AC1 AC3
CC1
AC1
AC3
R2
R6
TB1 TB2
CN1
1
2
3
4 P
N
CN2
1
2 P+21V
PGND
CN3
1
2
3 S+15V
SG
CN4
1 2 3 4 5 6 7
1
2
CN6
3
4
5
6
7
8
G9
E9
G10
E10
/RY_ON
R3
PCB16
Super Inpose
Circuit Bord
[WK-5569]
G11
E11
G12
E12
1 2
3 4
-1
5
+1
5
IS
GND
HCT1
+Output
Terminal
TO1
FCH1
PCB18
IGBT Gate
Circuit Bord
[WK-3367]
G1
E1
E2
G2
G1
E1
G2
E2
PCB17
IGBT Snubber
Circuit Bord
[WK-5570]
TB1 TB2
SH
.D
ET+
CN1
1 2 3 4 5
G1
0
E1
0
G9 E9
Q25
G1
E1
E2
G2
G1
E1
G2
E2
Q26
PCB19
IGBT Gate
Circuit Bord
[WK-3367]
CN1
1 2 3 4 5
G1
2
E1
2
G1
1
E1
1
PCB20
Filter Circuit
Bord
[WK-5499]
CN1
1 2 3 4 5
/RY_ON
RY+15V
SIDE CHASSIS 3
CN3
1
2
3
Ground +
1 2
CN5
D3
D6
AC3
SG
S+15
V
RY+15V
-Output
Terminal
TO2
Torch/Gas
Terminal