LG LS-135GB Service Manual page 51

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6. When left/right Vertical Louver does not operate.

• Confirm that the left/right Vertical Louver is normally geared with the

shaft of Stepping Motor.

• If the regular torque is detected when rotating the left/right Vertical

Louver with hands

• Check the connecting condition of CN-L/R Connector

• Check the soldering condition(on PWB) of CN-L/R Connector

• Confirm that there is DC + 12V between pin (Gray) of CN-L/R and

GND.

• Confirm that there is a soldering short at following terminals.

- Between

• Confirm the assembly conditions that are catching and interfering parts

in the rotation radial of the left/right Vertical Louver

Normal

Check the left/right operating circuit of the Vertical Louver

and

of MICOM

and

of IC02M

and

of IC02M

If there are no problems after above checks

-51-

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