To Next PageTo Next PageWhat to do if my JVC LT-43MA770 has no picture?
If your JVC LED TV shows no picture, ensure the power cord is properly inserted and the power switch is turned on. Also, adjust the contrast and brightness/volume settings. Finally, try pressing the standby key on the remote control.
How to restore color on my JVC LT-43MA770?
To restore color on your JVC LED TV, adjust the color control.
Why does my JVC LT-43MA770 have interference?
Interference on your JVC LED TV might be caused by nearby electronic equipment, a car or motorcycle, or fluorescent lights. Inspect your surroundings for these sources of interference.
How to fix snow on my JVC LT-43MA770 LED TV?
To fix snow on your JVC LED TV, check the antenna's position, direction, and connections.
Why is there a ghost image on my JVC LT-43MA770?
A ghost image on your JVC LED TV could be due to the antenna's position, direction, or connection. Check these to resolve the issue.
How to fix picture breaking up on JVC LED TV?
If the picture on your JVC LED TV is breaking up, try retuning the channel.
Why is there no color on my JVC LT-43MA770?
To solve the issue of no color on your JVC LED TV, check the TV system.
What to do if there are no pictures and no sounds when connecting HDMI to my JVC LT-43MA770?
If you experience no picture or sound when connecting via HDMI to your JVC LED TV, set the menu Option-> EDID switch to standard, because this could be caused by the HDMI 1.4 version.
Safety precautions regarding electrical shock, fire hazards, and proper usage.
Statement on device compliance with FCC rules and potential interference.
Advice on recording model/serial numbers and safe battery handling.
Comprehensive list of essential safety instructions for operating the apparatus.
Guidelines for responsible product disposal and environmental protection.
Visual guidance on safe operation, placement, and handling of the television to prevent injury or damage.
Precautions regarding environmental exposure, heat sources, liquids, and power cord management.
Advice on preventing tip-overs and safe installation within compartments, including minimum distances.
Highlights the primary features and capabilities of the JVC television.
Lists all accessories provided with the JVC television unit.
Detailed technical specifications including resolution, power consumption, and dimensions.
Identification and explanation of the television's front panel controls and indicators.
Diagram and explanation of the rear and side input/output terminals for connectivity.
Instructions for connecting an outdoor or indoor antenna to the television.
Guidance on connecting the power cord and details of preset HDMI modes with resolution and frequency.
Step-by-step instructions for assembling and attaching the television's base stand.
Diagrams and explanations for connecting various AV equipment like VCR, DVD players, and game consoles.
Guidance on installing a wall mount kit, including dimensions and safety precautions.
Detailed explanation of each button's function on the remote control.
Step-by-step guide for inserting batteries into the remote control.
Options for adjusting picture settings like contrast, brightness, color, and noise reduction.
Options for selecting sound effects, audio language, and surround sound settings.
Features for setting sleep timers, time zones, and other system setup configurations.
Settings for enabling and customizing closed caption display.
Procedures for scanning channels, selecting favorite channels, and viewing signal strength.
Functionality for setting passwords, V-chip settings, and system lock to manage content access.
Explanation of the US content rating system for television and movies, including MPAA ratings.
Details on Canadian French and English content rating controls and their application.
Information on adjusting RRT (Rating Reminder Table) settings for ATSC digital mode.
Guide on using the USB port to display JPEG photos and MJPEG video files.
A guide to common picture and audio problems, with suggested inspection checks for resolution.
Specific troubleshooting advice for problems encountered when connecting via HDMI.
This document serves as an instruction manual for a JVC 4K Ultra-HD LED TV, specifically model LT-43MA770, which is a 43-inch class television with a 42.51-inch diagonal screen. The manual provides essential information for the safe and proper operation, installation, and maintenance of the television.
The JVC LT-43MA770 is a modern television designed to deliver a comprehensive home theater experience. It features a 4K Ultra-HD LED display, offering a high-resolution picture for detailed and vibrant visuals. The television incorporates an integrated ATSC TV tuner, enabling reception of HDTV broadcast signals. With multiple HDMI inputs, it supports true digital connections for various external devices. The television also includes Dolby Audio™ technology for enhanced sound quality and is equipped with HDMI (High-Definition Multimedia Interface) for versatile connectivity.
The television's core function is to display video content from various sources, including broadcast television, external media players, and USB devices. It allows users to navigate through channels, adjust picture and sound settings, and access a range of features designed to customize their viewing experience. The included remote control provides convenient access to all these functions, including power, channel selection, volume control, menu navigation, and direct access to different input sources.
The JVC LT-43MA770 offers a user-friendly interface for easy operation. The front panel includes a remote control sensor, an indicator LED, and a keyboard with a rocker switch for basic controls like power, source selection, channel adjustment, and volume. The rear and side panels provide a variety of connection terminals for external equipment, including optical audio out, video input, audio input, HDMI ports (including one with ARC functionality), YPbPr component input, USB 2.0, and an RF antenna input.
For initial setup, the manual guides users through connecting the antenna and power cord. It also details the assembly of the base stand, emphasizing the need for two people due to the TV's size and weight, and the importance of using a soft cloth to protect the screen during assembly. The television supports wall mounting with a separately purchased kit, and specific instructions are provided regarding screw types and dimensions for safe installation.
The remote control is central to operating the television, offering a wide array of buttons for direct access to functions. These include number keys for channel selection, cursor buttons for menu navigation, and dedicated buttons for power, mute, volume, channel, picture mode, sound mode, aspect ratio, sleep timer, closed captioning, and input source selection (TV, AV, HDMI, USB). Special keys are also available for displaying program information, accessing the channel list (CH LIST), electronic program guide (EPG), and favorite channels (FAV).
The on-screen menus allow for extensive customization. The "Picture Menu" enables users to adjust settings such as picture mode (e.g., Natural, Personal), color temperature, aspect ratio, and noise reduction. The "Audio Menu" provides options for sound mode (e.g., Standard, Music, Movie, Sports, Personal), audio language, SPDIF type, surround sound, and auto volume. The "Timer Menu" allows setting a sleep timer, time zone, DST, time format, and clock synchronization. The "Setup Menu" covers settings like menu language, closed captioning, restoring defaults, software updates via USB, CEC (Consumer Electronics Control), EDID switch, and TTS (Text-to-Speech).
The "Channel Menu" facilitates scanning for digital and analog TV channels, managing favorite channels, and displaying DTV signal strength. The "Lock Menu" provides parental control features, allowing users to change passwords and adjust V-chip settings based on MPAA and Canadian rating systems (English and French).
The television also supports media playback from a USB drive, allowing users to display JPEG images and MJPEG video files. The manual outlines the steps to connect a USB device, select the USB input source, navigate through folders, and play media files.
The manual includes important safety instructions and warnings to ensure the longevity and safe operation of the television. It advises against exposing the appliance to rain or moisture, blocking ventilation openings, or placing it near heat sources or open flames. Users are cautioned against removing the back cover due to the risk of electric shock and are instructed to refer servicing to qualified personnel.
Battery precautions for the remote control are also provided, including warnings against exposing batteries to excessive heat, mixing old and new batteries, or different types of batteries, and removing batteries if the remote will not be used for an extended period.
The manual also offers a "Trouble Shooting" section to help users diagnose and resolve common issues related to picture and audio. This section provides a table listing common symptoms (e.g., snow, ghosting, interference, no sound, no color, picture breaking up) and corresponding inspection checks (e.g., antenna connection, volume settings, power cord, contrast/brightness, retuning channels, TV system). It also addresses specific issues like "No Pictures and No Sounds when connecting HDMI," suggesting adjusting the EDID switch to standard for HDMI 1.4 devices.
The manual highlights that the LED TV panel is built with high-precision technology, and the occasional appearance of non-active pixels (fixed points of red, green, blue, black, or white) is normal and does not affect product performance. This information helps manage user expectations regarding display characteristics.
General| Screen Size | 43 inches |
|---|---|
| Display Type | LED |
| Smart TV | Yes |
| HDMI Ports | 3 |
| USB Ports | 2 |
| Wi-Fi | Yes |
| Refresh Rate | 60Hz |
| Operating System | Android TV |
| Ethernet | Yes |
| Bluetooth | Yes |
| Resolution | 3840 x 2160 (4K Ultra HD) |
| HDR Support | HDR10 |
