Table of Contents
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Chapters
Table of Contents
Troubleshooting
Related Manuals for LG S65A1-D
Summarization of Contents
SECTION 1 SUMMARY
PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO PRODUCTS
Guidelines for safe servicing of audio products, including important safety notices.
SERVICING PRECAUTIONS
General servicing precautions, insulation checking, and handling of ES devices.
LAN UPDATE GUIDE
Instructions for updating the firmware or software via a Local Area Network (LAN).
SOFTWARE UPDATE GUIDE
Procedures for updating the device software using USB or a mobile application.
HOW TO WIRELESS FACTORY RESET & PAIRING
Steps for performing wireless factory resets and pairing the main unit with the subwoofer.
SPECIFICATIONS
Technical specifications for the LG Hi-Fi Audio Wireless Multi-room Sound Bar.
SECTION 2 ELECTRICAL
ONE POINT REPAIR GUIDE
Troubleshooting steps for common electrical issues like no sound or no booting.
ELECTRICAL TROUBLESHOOTING GUIDE
Flowcharts for diagnosing and resolving electrical problems with specific modules.
WAVEFORMS
Sample waveforms for key signal points (MPEG X-TAL, PWM X-TAL, MICOM, MPEG).
WIRING DIAGRAM
Visual representation of the internal wiring connections between major components.
BLOCK DIAGRAM
High-level overview of the system architecture and data flow between modules.
CIRCUIT DIAGRAMS
Detailed schematic diagrams for specific circuit sections like MICOM, MPEG, and Memory.
CIRCUIT VOLTAGE CHART
Table listing ICs, regulators, and capacitors with their specified and measured voltages.
PRINTED CIRCUIT BOARD DIAGRAMS
Top and bottom view diagrams of the main, amp, front, and key circuit boards.
SECTION 3 CABINET & MAIN CHASSIS
EXPLODED VIEWS 1. MAIN SET SECTION
An exploded view illustrating the assembly of the main sound bar unit.
2. WIRELESS SUBWOOFER SECTION
An exploded view showing the internal components of the wireless subwoofer.
3. PACKING ACCESSORY SECTION
List and illustration of all accessories included in the product packaging.
SECTION 4 WIRELESS SUBWOOFER PART
ONE POINT REPAIR GUIDE
Troubleshooting steps for wireless subwoofer power issues and no sound problems.
NO SOUND (HEATSINK)
Procedure for addressing no sound issues related to the heatsink on the woofer AMP IC.
ELECTRICAL TROUBLESHOOTING GUIDE
Flowcharts for troubleshooting power supply and general part checks on the woofer.
WAVEFORMS
Sample audio waveforms (I2S) for the wireless subwoofer's audio processing.
WIRING DIAGRAM
Diagram illustrating the wiring connections for the wireless subwoofer system.
BLOCK DIAGRAM
High-level block diagram of the wireless subwoofer's internal components and power supply.
CIRCUIT DIAGRAMS
Detailed circuit diagrams for the SMPS, AMP, LED, and KEY sections of the subwoofer.
CIRCUIT VOLTAGE CHART
Table of specified and measured voltages for ICs, regulators, and capacitors in the subwoofer.
PRINTED CIRCUIT BOARD DIAGRAMS
Top and bottom view diagrams of the SMPS, AMP, LED, and KEY circuit boards.
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