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Customer Questions and Answers for Pwb(pcb) Assembly,sub by LG

    • Part Number: AP4457489
    • MFG Part Number: 6871W1S019A
    • Made by: LG
    • Not Available

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For LG Pwb(pcb) Assembly,sub (Part Number: AP4457489)

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Installation instructions to replace the inverter board.

Joe A. for Model Number 72163763300

ANSWER Hello Joe. 1) Remove the vent grille by loosening two screws. (2) Remove the outcase. (3) Remove the base plate by loosening four screws. (4) Disconnect two leadwires of the fan motor assembly. (5) Disconnect the leadwire of the inverter PCB and the H.V. cable of the magnetron. (6) Remove the earth wire screw. (7) Remove three screws securing to duct assembly and two screws securing to fan guide. (8) Remove a screw securing to inverter module assembly 6871W1S019A. (9) Push the inverter guide hook and get out the inverter module assembly lifting up duct assembly. (10) Open the upper inverter guide. (11) Remove three screws securing to PCB and pull out PCB. 

Answered by AppliancePartsPros.com   |   Tuesday, July 10, 2012

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