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LG SN4A User Manual

LG SN4A
79 pages
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3-24
Copyright © 2021 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
ELECTRICAL TROUBLESHOOTING GUIDE
KEY PART
Replace the cables
Check R111 Pull-up Resistor
YES
Check CN103 1, 2 pin
Voltage 3.3 V
Check the connecting cables
Check RA01, RA04, RA05, RA06
Replace the Related part.
YES
NO
Check SWA01, SWA02,
SWA03, SWA04
OK
YES YES
NO
NO
OK
2. KEY PART

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LG SN4A Specifications

General IconGeneral
Total Power300W
Channels2.1
SubwooferWireless
Wireless ConnectivityBluetooth 4.0
USB PortYes
Remote ControlYes
ConnectivityOptical
Sound ModesStandard
Audio formatsDolby Digital, DTS

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