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LG SK3D Service Manual

LG SK3D
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3-16
Copyright © 2021 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
ELECTRICAL TROUBLESHOOTING GUIDE
Q301 is not 12 V
Check F301 Voltage 25 VA
Check Adapter
Replace Main PCB
NO
YES
NO
Check FB304 Voltage 12 VA
Check R774
Voltage 12 V
Check Q301 2pin
Voltage 12 V
Check IC302
YES
YES YES
NO
NO
OK
OK
ADAPTER POWER CIRCUIT
YES

Table of Contents

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Owner's Manual40 pages

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LG SK3D Specifications

General IconGeneral
Speaker Type2.1 Channel
Channels2.1
Total Power Output300W
SubwooferYes
BluetoothYes
HDMIYes
Optical InputYes
USB PlaybackYes

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