Pcb2 (Wk-5597) - Thermal Arc ARCMASTER 300S Service Manual

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300/ 400TS and 300/ 400S M A I N TEN A N C E
8) Remove the 18 screws and remove the PCB1 (WK-5493).
2
1
1
3. 2 PC B 2 ( W K - 5597)
1) Remove the Side Panel. [Reference page : 11-1]
2) Remove the screw and then disconnect the four ground terminals. Disconnect the 19 connectors.
CN7
CN4
CN1
CN17
CN3
CN7
1
CN2
2
CN22
CN21
CN23
CN19
CN8
CN1
2
CN9
CN21
CN20 CN9
CN11
CN8
3) Loosen two screws. Rotate the Resistor (R7 and R8) to expose two screws on PCB3 (WK-5548).
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