ESAB Cadd Tig 1500i TA34, Service Manual

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S0740 800 186/E080826/P50
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ct34_00
READ THIS FIRST
Maintenance and repair work should be performed by an experienced person, and
electrical work only by a trained electrician. Use only recommended replacement parts.
This service manual is intended for use by technicians with electrical/electronic training for
help in connection with fault--tracing and repair.
Use the wiring diagram as a form of index for the description of operation. The circuit
boards are divided into numbered blocks, which are described individually in more detail in
the description of operation. Component names in the wiring diagram are listed in the
component description.
Use the spare parts list as a guide to where the components are located in the equipment.
The spare parts list is published as a separate document, see page 48.
This manual contains details of design changes that have been made up to and including
August 2008.
The manual is valid for:
Tig 1500i TA34 and Tig 2200i TA33/TA34 with serial no. 803--xxx--xxxx, 828--xxx--xxxx, and
843--xxx--xxxx.
The Tig 1500i and Tig 2200i are designed and tested in accordance with international
and European standards IEC/EN 60974.
On completion of service or repair work, it is the responsibility of the person(s)
performing the work to ensure that the product still complies with the requirements of
the above standard.
INTRODUCTION
Design structure of the power source
Block diagram of the Tig 1500i and Tig 2200i
The power source is transistor--controlled, operating on the inverter principle. It consists of a
number of function modules, as shown in the block diagram above. Each module has a