LG 4K MOTHER BOARD MODEL NUMBER 43UM7290 The image displays an LG LED TV motherboard, specifically identified as the LJ9 CHASSIS with part number EAX68253505 and firmware version V.04.80.15.01, intended for LG TV models like the 43UM7290PTF. Details of the Board: Chassis: LJ9 CHASSIS Part Number: EAX68253505 Firmware Version: V.04.80.15.01 Compatibility: This motherboard is compatible with LG LED TV models such as the 43UM7290PTE and 43UM7290PTF, indicating its use in 43-inch LG LED TVs. Inputs/Outputs: The board features various input/output ports, including multiple HDMI ports, composite video and audio inputs, an Ethernet port, and USB ports, as indicated by the connectors visible on the board and information from similar models.

LG 4K MOTHER BOARD MODEL NUMBER 43UN7800 The image displays an LG LED TV motherboard, identified by the "LJ9 CHASSIS" and "LD9N7100EL" labels visible on the board itself, and confirmed by search results to be compatible with models like the 43UM7800. Details of the 43UM7800 LG Motherboard: Function: This board serves as the main circuit board for LG LED TVs, controlling various functions including video processing, audio output, and input/output management for external devices. Compatibility: While specifically asked about the 43UM7800, this board (or very similar versions) is also compatible with other LG LED TV models, such as the 43UM7290PTE. Components: The board features various ports (e.g., HDMI, RCA), integrated circuits (some under a metal shield), and connectors for internal TV components. Availability: Original LG motherboards for models like the 43UM7800 are available from various suppliers, including those specializing in LED TV parts.

The CV59SH-A32 is a universal LED TV mainboard. The datasheet for this board, often found in PDF format, provides detailed technical specifications, schematics, and troubleshooting information for the board. It's commonly used in various LED TV models and can be helpful for repairing or understanding the functionality of these TVs. Key details found in the CV59SH-A32 datasheet (or similar documents): Main Components and Block Diagram: The datasheet will outline the main components of the board, such as the processor (often a TSUMV59 or similar), memory, power supply, and other key chips. It will also include a block diagram showing how these components are interconnected. Connectors and Inputs/Outputs: Details about the available connectors, including HDMI, VGA, AV inputs, USB, and audio outputs, are provided. Electronic Parameters: The datasheet will specify electrical characteristics like voltage levels, current consumption, and other relevant parameters. Troubleshooting Information: Common issues like no power, backlight problems, sound issues, and image abnormalities are addressed, along with potential solutions. Schematics: The datasheet may include detailed schematics of the board, allowing for in-depth analysis and repair. Software/Firmware: Information about the firmware or software versions compatible with the board may also be included. Where to find the datasheet: The datasheet for the CV59SH-A32 is often available on websites like Scribd. You can search for "CV59SH-A32 datasheet PDF" or similar terms to find the specific document. Why this information is useful: Understanding the details of the CV59SH-A32 mainboard is crucial for: TV Repair Technicians: Troubleshooting and repairing faulty TVs using the board. DIY Enthusiasts: Understanding how the board functions and potentially modifying or customizing their TVs. Engineers and Designers: Developing or integrating the board into new electronic devices.

MICROMAX POWER SUPPLY BOARD MODEL NUMBER 40T2810FHD The image displays a power supply board with the model number IPE06R41, which is associated with Micromax LED TVs, specifically mentioned in relation to the Micromax 40T2820FHD model. While the query specifies a "43 inch" model, the board shown and referenced in search results is linked to a 40-inch Micromax model, suggesting it may also be compatible or a similar version used in other sizes. Details of the IPE06R41 SMPS Board: Model Number: IPE06R41. Associated TV Model: Micromax 40T2820FHD LED TV. Type: Power Supply Board (SMPS - Switched-Mode Power Supply). Features: The board includes components typical of an SMPS, such as transformers, capacitors, and heat sinks, designed to regulate and supply power to various parts of the LED TV. Authenticity: Original parts are emphasized for maintaining TV display quality and ensuring proper functioning of other TV components.

INVERSOL POWER SUPPLY BOARD MODEL NUMBER 32 INCH LCD BOARD The image displays an LK-SP407504A LED TV power supply board, specifically noted to be for a INVERSOL 32" LED TV". This board is a crucial component for powering a 32-inch LED television. It is identified by the model number LK-SP407504A and also has markings like ZD-95(C)F and CQC04001011196, indicating its certification and manufacturing details. Similar power boards, such as the LK-PL320203D, are also found in Cello C32100F-LED TVs. The board contains various electronic components, including capacitors, inductors, and a transformer, essential for power conversion and regulation within the TV.

HAIER POWER SUPPLY BOARD MODEL NUMBER LE55Q9500U The image displays a power supply board, identified in search results as a Haier LED TV Power Supply for models such as LE55B9500U, LE55Q9500U, and similar variations.  Key details and components visible on the board: Model Numbers: The board itself shows markings like "HKL-480201 B," "HKL-500201 B," and "HKL-550201 B," indicating its compatibility with various Haier models. Capacitors: Several large electrolytic capacitors are visible, including those from the brand AISHI and CapXon, with specifications like "105°C" and "1000uF". Transformers/Inductors: Multiple coiled components (transformers or inductors) are present, crucial for power conversion and regulation. Heatsinks: Large aluminum heatsinks are incorporated to dissipate heat from power components, ensuring stable operation. Connectors and Ports: Various connectors and ports are visible for input power, output to other TV components (like the mainboard or LED backlight), and potentially control signals. Safety Standards: Markings like "ROHS" (Restriction of Hazardous Substances) and "94V-0" (flammability rating) indicate compliance with environmental and safety standards. 

The SMPS (Switched-Mode Power Supply) board for the LG 32LB620B-TA LED TV is a crucial component that converts the AC power from the wall socket into the various DC voltages needed to operate the TV's different circuits. It essentially acts as the power distribution center for the entire television.  Key functions of the SMPS board: Voltage Conversion: Transforms the standard AC voltage (e.g., 120V or 240V) into the multiple DC voltages required by the TV's components, such as the backlight, main board, and other circuits. Power Distribution: Distributes these converted DC voltages to the appropriate circuits within the TV. Voltage Regulation: Ensures that the output voltages remain stable and consistent, even with fluctuations in the input voltage. Protection Circuits: Includes protection mechanisms to safeguard the TV from overvoltage, overcurrent, and short circuits.  Specifics for the 32LB620B-TA: The SMPS board for this model is a specific, original LG part. It's designed to be a direct replacement for the original board in the 32LB620B-TA. You can find genuine replacement SMPS boards from retailers specializing in TV parts, like  These retailers often offer testing, warranty, and installation support. When sourcing a replacement, ensure it's a genuine LG part and compatible with the 32LB620B-TA model. 

LG POWER SUPPLY BOARD MODEL NUMBER 49LF5900 The LG 49LF5900 uses a power supply board (SMPS) that converts the AC power from the wall outlet to the various DC voltages needed to operate the TV's components. Specific details like the exact model number or schematics of the SMPS board for the 49LF5900 are not readily available publicly, but it's likely a standard LG TV power supply board with a similar design to other models in that range. Key aspects of a TV SMPS: Input Voltage: Typically 100-240V AC for compatibility with different power grids. Output Voltages: Provides various DC voltages to different parts of the TV, such as 12V, 5V, 3.3V, etc. These are used by the mainboard, backlight, audio circuits, etc. Connectors: SMPS boards have multiple connectors to distribute power to various components. These can include connectors for the mainboard, backlights, and other modules within the TV. Protection Circuits: SMPS boards often include protection circuits to safeguard against over-voltage, over-current, and short circuits, which can damage the TV. Troubleshooting SMPS issues: No Power: If the TV does not turn on, the SMPS is a likely suspect. Intermittent Power: If the TV powers on and off or has unstable behavior, the SMPS could be faulty. Backlight Problems: If the TV has sound but no picture, the SMPS might not be providing enough power to the backlight. Finding a replacement SMPS: Contact LG Support: LG's support page can provide information on replacement parts or authorized service centers. TV Repair Shops: Local TV repair shops often stock or can source replacement SMPS boards. Online Retailers: Websites specializing in TV parts (like Great Bharat Electronics or IndiaMART) may carry compatible SMPS boards for your model. Check Part Numbers: If you can identify the specific part number of the SMPS board from your TV, it will make it easier to find a replacement.

LG POWER SUPPLY BOARD MODEL NUMBER 43LJ554T-TA SMPS (Switched-Mode Power Supply) board for the LG 43LJ554T-TA LED TV is a component that provides the necessary power to the various parts of the television. It converts the mains AC voltage to the DC voltages needed by the TV's circuits. Specifically, it's a power supply unit designed for this particular LG TV model. Here's a more detailed breakdown: Function: The SMPS board takes the AC power from the wall outlet and converts it into the stable DC voltages required by the TV's main board, backlight, and other components. Compatibility: It's specifically designed for the LG 43LJ554T-TA model. Availability: You can find replacement SMPS boards for this model from various online retailers like Great Bharat Electronics and kitbazar.in. Key Features: A typical SMPS board for a TV like this will include components like rectifiers, filters, switching transistors, and transformers to handle the voltage conversion and regulation. Testing: Reputable suppliers test these boards under simulated TV conditions to ensure proper functionality and stability before sale. Installation: When replacing the SMPS board, it's crucial to unplug the TV from the power source and follow any specific installation instructions provided by the manufacturer or supplier.