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Table of Contents
Troubleshooting
Related Manuals for LG LH-T551TB
Summarization of Contents
SECTION 1. GENERAL
SERVICING PRECAUTIONS
Notes for handling the pick-up and general servicing precautions.
ESD PRECAUTIONS
Techniques to reduce component damage caused by static electricity.
SPECIFICATIONS
GENERAL SPECIFICATIONS
General specifications including power supply, dimensions, and operating conditions.
AUDIO, VIDEO, TUNER, AMPLIFIER, AND SPEAKER SPECIFICATIONS
Detailed technical specifications for all major components and functions.
SECTION 2. AUDIO PART
AUDIO TROUBLESHOOTING GUIDE
Flowchart for troubleshooting audio-related issues.
CIRCUIT DIAGRAMS
Wiring, block, and schematic diagrams for audio circuits.
SCHEMATIC DIAGRAMS
POWER SUPPLY AND MICOM SCHEMATICS
Circuit diagrams for the power supply and microcontroller units.
FRONT, DSP, AMP, I/O, AND MIC SCHEMATICS
Circuit diagrams for front panel, DSP, amplifier, I/O, and microphone sections.
PRINTED CIRCUIT BOARD DIAGRAMS
MAIN/DVD AND FRONT P.C. BOARD LAYOUTS
Layout diagrams for main, DVD, and front printed circuit boards.
SMPS, MIC, AND AMP P.C. BOARD LAYOUTS
Layout diagrams for SMPS, microphone, and amplifier PCBs.
SECTION 3. DVD & AMP PART
SYSTEM OPERATION AND DEBUGGING FLOWS
Flowcharts for system operation, testing, and debugging procedures.
WAVEFORMS FOR SYSTEM TEST AND DEBUGGING
Waveforms illustrating various system signals and operations.
DVD PART SCHEMATIC DIAGRAMS
DVD MPEG/DSP, RF/SERVO SCHEMATICS
Circuit diagrams for DVD MPEG/DSP and RF/Servo systems.
KARAOKE, USB, AND AMP SCHEMATICS
Circuit diagrams for karaoke, USB, and amplifier sections.
SECTION 4. EXPLODED VIEWS
CABINET, MECHANISM, AND ACCESSORY VIEWS
Exploded views of the unit's cabinet, mechanism, and accessories.
SECTION 5. SPEAKER SECTION
SPEAKER EXPLODED VIEWS
Exploded views of center, front/rear, and subwoofer speakers.
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