Thermal Arc ARCMASTER 200 TS, Service Manual

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200TS
2
INTRODUCTION
2 – 4
6
Functional Block Diagrams
Figure 2-2 illustrates the functional block diagram of the 200TS-power supply.
Figure 2-2: 200TS Model Functional Block Diagram
7
Transporting Methods
These units are equipped with a handle for carrying
purposes.
WARNING
ELECTRIC SHOCK can kill.
DO NOT TOUCH live electrical parts. Disconnect
input power conductors from de-energized supply
line before moving the welding power source.
WARNING
FALLING EQUIPMENT can cause serious per-
sonal injury and equipment damage.

Lift unit with handle on top of case.

Use handcart or similar device of adequate
capacity.

If using a fork lift vehicle, place and secure unit
on a proper skid before transporting.
To each control circuit
Main
Circuit
Switch
Filter
Input
Diode
Capacitor
DC Power
Primary
Voltage
Sensor
IGBT
Inverter
The
r
mal
Detector
Main
Transformers
(T1)
Output
Inductor
Output
Diodes
Transformer
(HCT1)
Hall Current
Lift Tig Mode
Output Short
Sensing
Circuit
Stick Mode
VRD
Sensing
Circuit
Thermal
Sensor
Circuit
Drive
Circuit
+/-12VDC +18VDC
+24VDC +5VDC
Trouble
Sensing
Circuit
Torch Control
Connection
(CON1)
Current
Adjustment
Circuit
Reference
Adjustment &
Mode select Switch
Panel Circuit Boa
r
d
Sequence
Control
Fan Control
Circuit
Fan
Input
Power
Primary
Circuit
Sensor
Gas Control
Circuit
Solenoid
Coupling
Coil
High
Frequency
Unit
HF Unit
Control
Circuit