ELECTRICAL DIAGRAMS | ||
Schematic - Darlington Drive Board - Codes 10151 - 10383 - (M17581) |
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18571 M
.5 5W
+V
+V
AUXILLARY
TRANSFORMER WINDING
10VAC
R
D4
8A
J13 400V
2
J13
3
D3
8A
400V
6 J13
R1
D1
8A 400V
C12
3300
50V
D2
8A
400V
C15
3300
50V
| POWER |
C16 | SUPPLY |
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DZ1
18V
1W
10.0
R6
C17
500p
1000V
| 1 | 3 | Q1 |
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| 6A |
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| 100V |
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| 2 |
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W10 | R9 | R11 | 10W |
2.7 |
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| 2.7 |
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6VAC
R
5 
J13
GND
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| 0W1 R10 |
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| 2.7 |
| NEGATIVE BIAS |
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| for |
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| DARLINGTON |
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| HOLD - OFF |
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| D6 |
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| 1N5402 |
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D10 | D12 |
| C10 |
1N5402 | 1N5402 | D7 | |
| 1N5402 | .33 | |
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| 200V |
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| D8 |
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| W01 |
R12 | ||
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| 2.7 |
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2.710W
R13
2.7 10W
R14
1.00K
R15
1.00K
2AMP
BASE DRIVE
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| .00K |
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R16 | R17 | |||
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| 1 |
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J12
1
1.00K R18
2
DARLINGTON C
MODULE
BLUE B
TWISTED
PAIR
E
BLACK
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STT CONTROL BOARD
+15V
1K | 1 | J13 |
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ON = Darlington ON |
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OFF = Darlington OFF |
| 4 | J13 | |
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R2
1.50K
D5
R3
1.50K
OCI1
2
3
7
HP2201
+V
4R | K92 |
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| .3 | 267 |
| 1 | VS |
| VS | 8 |
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| R5 |
| 2 | IN | X2 | OUT | 7 |
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| C5 |
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| 3 | NC | OUT 6 | |||
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| DZ2 |
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| 0.1 | 4 | GND | GND 5 | |||
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| 12V | 50V | |||||
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| 1W |
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| 4429 |
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GND
Lae tyou
teGa vDri
Sym tme cri
C6
0.1
50V
D11 | D13 | 1N5402 |
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1N5402 | 1N5402 | D9 |
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| 1N5402 |
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| R8 |
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| 20 | 5W |
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10.0 |
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| G |
R7 |
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| DZ3 | C8 |
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| 500p | |
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| 18V | |
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| 1000V | |
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| 1W | |
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| GND |
C9
3300
50V
DQ2
4A
100V
S
J12
J12 
3
J12 4
+V |
NOTES :
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537 |
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CAPACITORS = | MFD | ( .022/50V | UNLESS OTHERWISE SPECIFIED) | |
RESISTORS = Ohms ( |
| 1/4W | UNLESS OTHERWISE SPECIFIED) | |
DIODES = | 1A, 400V | (UNLESS OTHERWISE SPECIFIED) | ||
| LAST NO. USED | ||
| R- | 18 | DZ- 3 |
| C- | 17 |
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LABELS | D- | 13 |
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SUPPLY VOLTAGE NET
POWER SUPPLY SOURCE POINT
| Vcc | 8 |
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C14 | OCI1 | |
0.1 |
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50V | HP2201 | |
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| J13 |
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| J12 |
1 |
| 3 | 1 | 2 |
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N.A. SINCE COMPONENTS OR CIRCUITRY ON A PRINTED CIRCUIT BOARD MAY CHANGE
WITHOUT AFFECTING THE INTERCHANGEABILITY OF A COMPLETE BOARD, THIS DIAGRAM MAY NOT SHOW THE EXACT COMPONENTS OR CIRCUITRY OF CONTROLS HAVING A COMMON CODE NUMBER.
FILE: M17581_1AB
COMMON CONNECTION 
FRAME CONNECTION
EARTH GROUND CONNECTION
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GND 5 |
GND |
4 | 6 | 3 | 4 |
UNLESS OTHERWISE SPECIFIED TOLERANCE | Ch'ge.Sht.No. | THE LINCOLN ELECTRIC CO. |
| EQUIP. |
| INVERTER WELDERS | ||||
ON 2 PLACE DECIMALS IS + .O2 |
| TYPE |
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ON HOLES SIZES PER |
| CLEVELAND, OHIO U.S.A. |
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| SCHEMATIC, DARLINGTON DRIVE | |||||
ON ALL ANGLES IS + .5 OF A DEGREE |
| SUBJECT | ||||||||
ON 3 PLACE DECIMALS IS + .OO2 |
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MATERIAL TOLERANCE ("t") TO AGREE |
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| SCALE | NONE |
| BS |
| SHT. | M17581 | |
WITH PUBLISHED STANDARDS | DR. | MLD | DATE | 03/23/94 | CHK. | SUP'S'D'G. | ||||
NO. | ||||||||||
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NOTE: | Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is provided | INVERTEC STT & STT II |
| for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine. |
