One Point Repair Guide; Booting When You Turn The Unit On, No Message Or "Hello" On Front Panel - LG SK6Y Service Manual

Smart hi-fi audio wireless multi-room sound bar

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1. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR

"HELLO" ON FRONT PANEL

When you turn on your set, no message on the front panel, and stand-by LED doesn't work.

1-1. IC302 System 12 VA (No 12 VA)

1-1-1. Solution

Replace MAIN board.

1-1-2. How to troubleshoot (Countermeasure)

1) Please check 25 VA of IC302 pin2 (VIN).

2) If 25 VA is abnormal, please check adapter.

3) If 25 VA is OK, but 12 VA is abnormal pin3 of IC302 (VOUT), replace MAIN board.

1-1-3. Service hint (Any picture / Remark)

ONE POINT REPAIR GUIDE



< MAIN board top view >

 

IC302

3-4

 

L302

Only for training and service purposes.

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