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Return to Master TOC
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Return to Master TOC
ELECTRICAL DIAGRAMS |
SCHEMATIC - INVERTER PC BOARD - SHEET #2
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| 15V |
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| 15V |
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| R42 | 22k |
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| D26 |
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15V |
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| VINint |
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| 6 | - | 7 |
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| 5 |
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| PRES |
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| C19 |
| R43 |
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| 1N4148 |
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PRES |
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| C20 |
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| 220nF |
| 180R |
| R44 |
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| LM358 |
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| R47 | 10k |
| 100nF |
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| 50V |
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| 270k |
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| 50V |
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| R45 | 100k |
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GND | GND |
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| R46 |
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| U3A |
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| 2k2 |
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| D27 | R48 | 1k |
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| LM358 |
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| 15V |
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| R49 | 3k |
| R50 | 3k | R51 | 10k |
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| 8 |
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| 8 |
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| 15V |
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| R53 | 10k |
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C31 |
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| R52 | 10k |
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100nF |
| U5C | 100nF |
| U3C |
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50V | 4 | LM393 | 50V | 4 | LM358 |
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| R54 |
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| 1k |
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| D28 |
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| R55 |
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| 3 | + |
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| R56 | 100R |
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| PTC |
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| U5A |
| BAT43 |
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| 2k2 |
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| LM393 |
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| U5B |
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| C21 | R58 |
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| R57 | 39k |
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| LM393 |
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| 100nF | 10k |
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| R59 |
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| 15V |
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| 50V |
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| 10k |
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| R60 |
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| R61 | 2k2 | |
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| 68k |
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| R62 | 820R | R63 | 10k |
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| 15V |
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| R64 | R65 |
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| COMP |
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| 1k | 4k7 |
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| C22 |
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| 100nF |
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| R66 | 50V |
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| Vref |
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| Vref | 16 | Vref | VCC |
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| C24 |
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| 13 |
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| 15V | R69 |
| 1k5 |
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| 50V |
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| 8 | SS |
| SHD | 9 |
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| 4k7 | R72 | 4k7 | |
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| R71 |
| Taratura | CW |
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| C27 | 220pF |
| C28 |
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| C26 | 100pF |
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| MASTER | ||||||||||||
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| 1k |
| Duty Max |
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| N.M. | Q9 | R73 |
| R74 |
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| 100V |
| 50V |
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| 1 | EII |
| CLRef | 11 |
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| N.M. |
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| IRFD110 | 43% | 1k |
| 15k |
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| R75 | 10k |
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| N.M. |
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| DUTY |
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| 2 | ENI |
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| PILOT |
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| Q10 |
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PASSIVEn |
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| 4 | CLK |
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| BC337 |
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| ||
| N.M. |
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| R76 |
| D29 |
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| R79 | 56R |
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| C29 |
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| |
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| N.M. |
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| R77 |
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| 10k |
| 1N4148 |
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| R78 |
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| 5 | RT |
| OUT | 14 |
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| Q11 | 1nF |
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| 4k7 |
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| N.M. |
| N.M. | R80 |
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| 4k7 |
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| IRFD110 | 630V |
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| N.M. |
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| 1k8 |
|
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| R81 |
| SLAVE |
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| 6 | CT |
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| |
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| |
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| 8k2 |
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| D30 |
|
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| 7 | Ramp | GND | PGND |
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| R82 | R83 | D31 |
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| 1N4148 |
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| 10k | 1k | 1N4148 |
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| ||||
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| N.M. |
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| MC34023 |
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| D32 | ||
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| 10 |
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| C30 |
|
| 12 |
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| REC | |||
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| 2n2F |
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| Taratura |
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| 2% |
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| 1N4148 | |||
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| oscillatore |
| R84 |
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| 350Vdc |
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| |||
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| CW | 2k |
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| |
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| LINCOLN ELECTRIC ITALIA s.r.l. |
|
|
| A | ||
|
| SERRA RICCO' (GE) - ITALIA |
|
|
|
| ||
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Title |
|
|
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|
|
INVERTER BOARD V145 |
|
|
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| ||
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| |
Dr. |
| Appr. |
| Size | Document Number | Rev |
| |
V. Natarelli |
|
| A3 | X0519 |
| 02 |
| |
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| ||||
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Date last rev.: | Friday, February 17, 2006 |
| S heet | 3 | of | 3 |
| |
1st emis. dr.: | J. Daniel | 1st emis. date: Friday, January 31, 2003 |
| |||||
This sheet contains proprietary information owned by LINCOLN ELECTRIC ITALIA s.r.l. and is not |
|
|
| |||||
to be reproduced, disclosed, or used without the express permission of LINCOLN ELECTRIC |
|
|
| |||||
ITALIA |
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|
|
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
