M
Mary MillsSep 14, 2025
Why does my Sharp LC-70LE755U sometimes make a cracking sound?
- RRachel PierceSep 15, 2025
The cracking sound your Sharp LCD TV sometimes makes is not a malfunction.
To Next PageTo Next PageWhy does my Sharp LC-70LE755U sometimes make a cracking sound?
The cracking sound your Sharp LCD TV sometimes makes is not a malfunction.
How to troubleshoot no sound on Sharp LC-70LE755U LCD TV?
If there is no sound on your Sharp LCD TV, verify that the connection to other components is correct. Make sure the volume isn't too low and that you haven't pressed MUTE on the remote. Check the audio output of any connected external equipment to ensure the volume is not too low or muted. When external equipment is connected via an HDMI cable, you may need to configure the audio to be output through the HDMI cable. When audio is not output from external equipment connected to the PC IN or HDMI IN 2 terminal, check the "Audio Select" setting. Even when external equipment is connected using an HDMI-certified cable, an audio cable connection may be required depending on the type of equipment and the media being played back. When connecting a PC via an HDMI-certified cable, check if the audio...
Covers general warnings about fire, shock, and product exposure to prevent hazards.
Covers FCC, Industry Canada, exposure statements, battery safety, and ENERGY STAR compliance.
Covers numbered safety points, grounding, water, stand, location, ventilation, heat, and lightning precautions.
Covers fire/shock hazards, safe transportation, and cleaning/care of the TV cabinet and panel.
Covers child safety considerations for TV placement, mounting, and moving older TVs.
Covers 3D glasses safety, handling, usage, care, and battery warnings.
Covers supplied and optional accessories provided with the TV.
General instructions for stand attachment for various models.
Instructions for building a work table for stand attachment.
Specific stand attachment steps for larger TV models.
Detailed steps for building the work table for stand installation.
Specific stand attachment steps for 80-inch TV models.
Specific stand attachment steps for 70/60-inch TV models.
Instructions for assembling the work table for stand installation.
Specific instructions for stand attachment on 90/80 inch models.
Covers antenna connection, power-on, and HD image setup.
Instructions for installing batteries in the remote control unit.
Covers remote control usage and types of antenna connections.
Covers front, side, and rear parts and connection terminals on the TV.
Covers general connection types and displaying external equipment images.
Explains remote control buttons and their functions.
Details various methods for connecting external devices to the TV.
Covers connections for video sources, PCs, and audio system connections.
Details HDMI, Component, and Composite connections for media players.
Covers Composite connections for VCR, Game Console, and Camcorders.
Covers audio system connections and PC connections via HDMI and RGB.
Covers turning the TV on/off and the initial installation process.
Covers channel, volume, mute, freeze, input, flashback, and SmartCentral operations.
Covers CH Search, Network setup, Broadcasting Setup, and status confirmation.
Covers setting favorite channels and configuring digital antennas.
Covers Netflix, AUDIO, Sleep Timer, AV MODE, Closed Captions, and VIEW MODE operations.
Covers INPUT, FLASHBACK, and SmartCentral operations.
Provides detailed information on AUDIO, Sleep Timer, and AV MODE functions.
Provides detailed information on Closed Captions, VIEW MODE, and INPUT selection.
Covers screen size options for USB, Home Network, and Internet sources.
Covers screen size options specifically for PC input.
Explains how to operate the TV's on-screen menu system.
Details the buttons used for navigating and controlling the menu.
Provides an overview of Picture Settings and Audio Settings menus.
Provides an overview of System Options, Initial Setup, and Information menus.
Details specific picture and audio settings within the on-screen menu.
Details specific system options, initial setup, and information items.
Details power saving, audio only, and auto-off features.
Details view options, apps, terminal settings, and audio setups.
Specific picture and audio adjustments like contrast, brightness, and sound modes.
Covers initial setup, parental controls, V-Chip, MPAA, software updates, and information display.
Covers EZ Setup, Language, Location, Broadcasting, and CH Search.
Covers Network setup, Favorite Channels, and Digital Antenna setup.
Covers Bluetooth pairing, Keyboard, and Mouse setup.
Covers Secret No., Parental CTRL, V-Chip, MPAA, and Software Update configurations.
Covers Boot Picture, Demo Mode, and Initial Setup steps.
Covers CH Search, Network setup, Broadcasting Setup, and setup completion status.
Covers updating TV software via USB or Network.
Detailed steps for performing software updates using a USB drive.
Detailed steps for performing software updates using a network connection.
General information on viewing 3D content on the TV.
Explains Side-by-Side and Top-and-Bottom formats for 3D images.
Covers automatic/manual signal detection and switching between 3D and 2D modes.
Covers converting 2D images to 3D and switching viewing modes.
Details 3D setup options, brightness, and other menu configurations.
Detailed safety guidelines for handling and using 3D glasses.
Instructions for connecting USB devices for media playback.
Covers network connection, server compatibility, and file format support.
Covers navigating media folders and lists compatible file formats.
Covers photo thumbnail view, individual photo viewing, and associated controls.
Covers slide show creation, management, background music, and interval settings.
Covers music mode operations, buttons, and USB menu options.
Covers video mode operations, file selection, playback controls, and USB menu options.
Details the operation panels and their buttons for USB/Network playback.
Covers DivX registration and configuring remote playback settings.
Covers presetting the remote control for other devices using manufacturer codes.
Lists codes for various STB, BD/DVD/LD, VCR, and Audio brands.
General operation of connected external equipment.
Covers AQUOS LINK features, connections, setup, and controlling audio systems.
Covers LINK setup, control, auto power, recorder selection, and channel selection.
Covers playback, recording, audio return channel, and the link operation menu.
Details the operation panels and their buttons for USB/Network playback.
Covers DivX registration and configuring remote playback settings.
Covers PC image adjustment, auto sync, and fine sync controls.
Covers audio input selection and TV control via PC/LAN.
Details command tables for RS-232C and IP control of the TV.
Lists compatible PC resolutions and frequencies for optimal display.
Covers general internet setup and network configuration steps.
Details Auto, Manual, and Wireless network setup options.
Covers IP configuration, connection tests, and interactive service settings.
Covers accessing AQUOS Advantage Live and using the software keyboard for text entry.
Covers using the web browser, its buttons, toolbar, and navigation.
Explains how to display web content via the browser.
Covers browser settings and using keyboard/mouse for input.
Covers accessing and managing internet applications and the application window.
Formal disclaimers regarding third-party content and services accessed online.
Displays logos of supported internet applications like Netflix and YouTube.
Step-by-step guide for detaching the TV stand.
Covers using the optional bracket and general mounting advice with safety precautions.
Covers TV angle adjustment and specific mounting points for different TV models.
Details specifications for wall mount kits, including dimensions and screw types.
Covers common issues like no power, remote not working, picture, and sound problems.
Specific troubleshooting steps for 3D image display issues.
Explains error codes, their meanings, and provides information on software licenses.
Covers temperature warnings for operation and storage, and procedures to clear the secret number.
Detailed specifications for various TV models, including panel size, resolution, terminals, and power.
Further detailed specifications for TV models covering weight, dimensions, and operating temperature.
Details Wi-Fi certifications and FCC/IC compliance for wireless LAN.
Covers Bluetooth safety instructions and regulatory compliance.
Lists various product and technology trademarks associated with the TV.
Covers the consumer limited warranty terms, conditions, and exclusions.
Details how to obtain warranty service and customer support.
Visual representation of the LE857U model's dimensions.
Visual representation of the LE757U/LE755U/LE750U/C7500U models' dimensions.
Visual representation of the LE657U/LE655U/LE650U/C6500U models' dimensions.
Covers general warnings about fire, shock, and product exposure to prevent hazards.
Covers FCC, Industry Canada, exposure statements, battery safety, and ENERGY STAR compliance.
Covers numbered safety points, grounding, water, stand, location, ventilation, heat, and lightning precautions.
Covers fire/shock hazards, safe transportation, and cleaning/care of the TV cabinet and panel.
Covers child safety considerations for TV placement, mounting, and moving older TVs.
Covers 3D glasses safety, handling, usage, care, and battery warnings.
Covers supplied and optional accessories provided with the TV.
General instructions for stand attachment for various models.
Instructions for building a work table for stand attachment.
Specific stand attachment steps for larger TV models.
Detailed steps for building the work table for stand installation.
Specific stand attachment steps for 80-inch TV models.
Specific stand attachment steps for 70/60-inch TV models.
Instructions for assembling the work table for stand installation.
Specific instructions for stand attachment on 90/80 inch models.
Covers antenna connection, power-on, and HD image setup.
Instructions for installing batteries in the remote control unit.
Covers remote control usage and types of antenna connections.
Covers front, side, and rear parts and connection terminals on the TV.
Covers general connection types and displaying external equipment images.
Explains remote control buttons and their functions.
Details various methods for connecting external devices to the TV.
Covers connections for video sources, PCs, and audio system connections.
Details HDMI, Component, and Composite connections for media players.
Covers Composite connections for VCR, Game Console, and Camcorders.
Covers audio system connections and PC connections via HDMI and RGB.
Covers turning the TV on/off and the initial installation process.
Covers channel, volume, mute, freeze, input, flashback, and SmartCentral operations.
Covers CH Search, Network setup, Broadcasting Setup, and status confirmation.
Covers setting favorite channels and configuring digital antennas.
Covers Netflix, AUDIO, Sleep Timer, AV MODE, Closed Captions, and VIEW MODE operations.
Covers INPUT, FLASHBACK, and SmartCentral operations.
Provides detailed information on AUDIO, Sleep Timer, and AV MODE functions.
Provides detailed information on Closed Captions, VIEW MODE, and INPUT selection.
Covers screen size options for USB, Home Network, and Internet sources.
Covers screen size options specifically for PC input.
Explains how to operate the TV's on-screen menu system.
Details the buttons used for navigating and controlling the menu.
Provides an overview of Picture Settings and Audio Settings menus.
Provides an overview of System Options, Initial Setup, and Information menus.
Details specific picture and audio settings within the on-screen menu.
Details specific system options, initial setup, and information items.
Details power saving, audio only, and auto-off features.
Details view options, apps, terminal settings, and audio setups.
Specific picture and audio adjustments like contrast, brightness, and sound modes.
Covers initial setup, parental controls, V-Chip, MPAA, software updates, and information display.
Covers EZ Setup, Language, Location, Broadcasting, and CH Search.
Covers Network setup, Favorite Channels, and Digital Antenna setup.
Covers Bluetooth pairing, Keyboard, and Mouse setup.
Covers Secret No., Parental CTRL, V-Chip, MPAA, and Software Update configurations.
Covers Boot Picture, Demo Mode, and Initial Setup steps.
Covers CH Search, Network setup, Broadcasting Setup, and setup completion status.
Covers updating TV software via USB or Network.
Detailed steps for performing software updates using a USB drive.
Detailed steps for performing software updates using a network connection.
General information on viewing 3D content on the TV.
Explains Side-by-Side and Top-and-Bottom formats for 3D images.
Covers automatic/manual signal detection and switching between 3D and 2D modes.
Covers converting 2D images to 3D and switching viewing modes.
Details 3D setup options, brightness, and other menu configurations.
Detailed safety guidelines for handling and using 3D glasses.
Instructions for connecting USB devices for media playback.
Covers network connection, server compatibility, and file format support.
Covers navigating media folders and lists compatible file formats.
Covers photo thumbnail view, individual photo viewing, and associated controls.
Covers slide show creation, management, background music, and interval settings.
Covers music mode operations, buttons, and USB menu options.
Covers video mode operations, file selection, playback controls, and USB menu options.
Details the operation panels and their buttons for USB/Network playback.
Covers DivX registration and configuring remote playback settings.
Covers presetting the remote control for other devices using manufacturer codes.
Lists codes for various STB, BD/DVD/LD, VCR, and Audio brands.
General operation of connected external equipment.
Covers AQUOS LINK features, connections, setup, and controlling audio systems.
Covers LINK setup, control, auto power, recorder selection, and channel selection.
Covers playback, recording, audio return channel, and the link operation menu.
Details the operation panels and their buttons for USB/Network playback.
Covers DivX registration and configuring remote playback settings.
Covers PC image adjustment, auto sync, and fine sync controls.
Covers audio input selection and TV control via PC/LAN.
Details command tables for RS-232C and IP control of the TV.
Lists compatible PC resolutions and frequencies for optimal display.
Covers general internet setup and network configuration steps.
Details Auto, Manual, and Wireless network setup options.
Covers IP configuration, connection tests, and interactive service settings.
Covers accessing AQUOS Advantage Live and using the software keyboard for text entry.
Covers using the web browser, its buttons, toolbar, and navigation.
Explains how to display web content via the browser.
Covers browser settings and using keyboard/mouse for input.
Covers accessing and managing internet applications and the application window.
Formal disclaimers regarding third-party content and services accessed online.
Displays logos of supported internet applications like Netflix and YouTube.
Step-by-step guide for detaching the TV stand.
Covers using the optional bracket and general mounting advice with safety precautions.
Covers TV angle adjustment and specific mounting points for different TV models.
Details specifications for wall mount kits, including dimensions and screw types.
Covers common issues like no power, remote not working, picture, and sound problems.
Specific troubleshooting steps for 3D image display issues.
Explains error codes, their meanings, and provides information on software licenses.
Covers temperature warnings for operation and storage, and procedures to clear the secret number.
Detailed specifications for various TV models, including panel size, resolution, terminals, and power.
Further detailed specifications for TV models covering weight, dimensions, and operating temperature.
Details Wi-Fi certifications and FCC/IC compliance for wireless LAN.
Covers Bluetooth safety instructions and regulatory compliance.
Lists various product and technology trademarks associated with the TV.
Covers the consumer limited warranty terms, conditions, and exclusions.
Details how to obtain warranty service and customer support.
Visual representation of the LE857U model's dimensions.
Visual representation of the LE757U/LE755U/LE750U/C7500U models' dimensions.
Visual representation of the LE657U/LE655U/LE650U/C6500U models' dimensions.
General| Screen Size | 70 inches |
|---|---|
| Display Technology | LCD |
| Resolution | 1920 x 1080 |
| Refresh Rate | 120Hz |
| Smart TV | Yes |
| Connectivity | Wi-Fi, Ethernet |
| HDMI Ports | 4 |
| USB Ports | 2 |
| Audio Output | 20W |
| Backlight Type | LED |
