Do you have a question about the LG LHS-76SBS and is the answer not in the manual?
Notes regarding the careful handling and transport of the optical pickup unit.
Safety and handling guidelines for repairs involving ICs and static electricity.
Techniques to reduce component damage caused by static electricity.
Details on detecting and editing EEPROM options for the device.
General technical specifications including dimensions and operating conditions.
Technical specifications for CD and DVD playback components.
Specifications for the video output signal.
Technical details for the FM and AM tuner sections.
Power output and input/output specifications for the amplifier.
Impedance, frequency response, and power ratings for speakers.
Flowchart for troubleshooting audio issues related to the power supply circuit.
Troubleshooting flowchart for front circuits, including power and display.
Continuation of the front circuit troubleshooting flowchart.
Diagram illustrating the interconnections between various PCBs and components.
Diagram showing the functional blocks and data flow within the system.
Detailed schematic of the Switched-Mode Power Supply (SMPS) circuit.
Schematic showing the interface between power supply and other sections.
Schematic for the main micro-controller unit and its peripherals.
Schematic detailing the servo control circuits for disc operations.
Schematic of the Input/Output interfaces, including AV, SCART, and component connections.
Schematic for the microphone input circuit.
Schematic for the USB interface circuit.
Combined schematic for microphone and USB interfaces.
Schematic for the optional HDMI interface.
Schematic for the front panel controls and display.
Top view of the main printed circuit board layout.
Bottom view of the main printed circuit board layout.
Diagram showing the physical layout of the SMPS printed circuit board.
Top view of the printed circuit board for front panel keys.
Top view of the printed circuit board for timer functions.
Flowchart detailing the system's operational sequence.
Flowchart for testing and debugging the DVD and amplifier sections.
Continuation of troubleshooting, checking memory and tray signals.
Further troubleshooting for SLED movement and motor driver.
Troubleshooting for laser, disc ID, and spindle rotation issues.
Troubleshooting for focus, track, and playability issues.
Final troubleshooting steps for audio output and test completion.
Troubleshooting flowchart for the audio micro-controller circuit.
Waveforms for system clock, reset signal, and Flash R/W operations.
Waveforms for the SDRAM clock signal.
Waveforms for the tray open and close switch signals.
Waveforms related to SLED control in a no-disc condition.
Waveforms related to lens control in a no-disc condition.
Waveforms for laser power control in a no-disc condition.
Waveforms used for judging disc types (DVD and CD).
Waveforms for CD disc type judgement.
Waveforms related to the focus control mechanism.
Waveforms for spindle control in a no-disc condition.
Waveforms for tracking control during system checking.
Waveforms for the ES6698FD video output signal.
Waveforms showing audio output from the PWM IC.
Waveforms for audio-related digital signals.
Various test waveforms for DVD and amplifier sections.
Schematic diagram of the MPEG processing unit.
Schematic diagram of the Digital Signal Processor (DSP) unit.
Schematic diagram of the amplifier circuit.
Top view of the DSP printed circuit board.
Top view of the Amplifier printed circuit board.
Exploded view of the unit's cabinet and main frame assembly.
Exploded view of the deck mechanism, including part numbers and descriptions.
Diagram illustrating the packing accessories included with the unit.
Exploded view of the center speaker assembly.
Exploded view of the front/rear speaker assembly.
Exploded view of the passive subwoofer speaker assembly.