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F-50

TROUBLESHOOTING & REPAIR

F-50

POWER BOARD TEST (cont.)

FIGURE F.24 - SIMPLIFIED TRIGGER CICUIT

 

 

 

SIMPLIFIED TRIGGER CIRCUIT

 

 

 

 

 

 

POWER BOARD

 

 

CONTROL BOARD

 

 

 

 

 

 

 

7J6

#301

11J4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FROM

PROTECTION

 

 

 

 

 

 

 

 

 

BOARD OVERVOLTAGE

 

 

#305

 

 

 

 

 

 

 

 

 

2J6

3J4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PWM

 

P

 

REMOTE

 

 

 

 

 

OUTPUTS

 

W

 

 

 

 

 

 

TO POWER

 

M

 

PROTECTION

 

 

 

 

 

 

BOARD

 

 

 

 

 

 

 

 

 

 

BOARD (STT ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STT II Only

 

 

 

 

 

 

T1 AUXILIARY

 

 

 

 

 

 

 

14 AMPHENOL

TRANSFORMER

 

#379

 

 

 

 

 

 

 

 

 

 

3.5 ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

3J31

#224

 

#210

6J4

#223

8J33

13J36

#413

C

 

6J22

 

 

9J4

 

 

#503A

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

4

TO

 

 

5J4

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

A

BOARD

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

3.5 ohms

 

 

 

 

 

 

 

 

 

 

 

 

 

2J31

#212

 

 

12J4

 

6J34

5J36

#405

D

 

 

 

 

 

 

 

 

 

 

 

 

#212C

 

 

 

 

V300-PRO

Page 80
Image 80
Lincoln Electric SVM105-B service manual Simplified Trigger Circuit

SVM105-B specifications

The Lincoln Electric SVM105-B is a state-of-the-art welding machine that represents a leap forward in welding technology, designed for both professionals and enthusiasts in the welding industry. This versatile machine combines robust performance with user-friendly features, making it suitable for a wide range of welding applications.

One of the key features of the SVM105-B is its advanced inverter technology. This allows for a lightweight design without compromising on power output. The inverter technology ensures a stable arc and precise control, enabling consistent weld quality across various materials, including mild steel, stainless steel, and aluminum. This feature is particularly beneficial for users who demand exceptional performance in both thin and thick materials.

The SVM105-B also boasts an impressive output range, typically between 10A to 105A, allowing for adaptability to different welding tasks. Its ability to seamlessly switch between DC and AC modes makes it an ideal choice for professionals working in diverse environments, facilitating operations such as TIG and stick welding. This versatility is further enhanced by its compatibility with various electrode types, ensuring a more efficient and effective welding process.

User safety and comfort have not been overlooked in the design of the SVM105-B. Equipped with an efficient cooling system, this machine effectively manages heat during prolonged use, ensuring durability and longevity. Additionally, its intuitive digital display provides real-time feedback on settings, making it easier for users to monitor parameters and make necessary adjustments on the fly.

The SVM105-B is built with portability in mind. Its compact and lightweight design makes it easy to transport, enabling welders to bring their equipment to job sites without hassle. Furthermore, the machine features sturdy handles that contribute to its ease of maneuverability, supporting the demands of both inside workshops and outdoor projects.

Moreover, Lincoln Electric places a strong emphasis on quality and reliability, and the SVM105-B is a testament to this commitment. The machine is constructed from durable materials designed to withstand the rigors of daily use, ensuring it remains a staple in any welder's toolkit for years to come.

In conclusion, the Lincoln Electric SVM105-B stands out with its combination of advanced inverter technology, versatile output, user-friendly interface, and robust construction. Whether for professional or hobbyist use, this welding machine meets a wide array of welding needs while providing excellent performance and durability.