Pcb4 (Wk-5449) - Thermal Arc ARCMASTER 200 TS Service Manual

12
200TS MAINTENANCE
3.4 PCB4 (WK-5449) 
1) Remove the Side Panel. [See section "11.1-1"]
2) Remove the Protection Cover.
2
2
3
1
3) Remove the Knob Cap. Holding the Knob down, loosen the screw and remove the Knob.
2
3 1
4) Disconnect the two connectors CN1,3 on the PCB4. Remove the four screws. Pull out the operation
panel and bring it down.
CN3
2
CN1
1
1
2
3
2
2
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