Tp.v56.pb801 Schematic Diagram __full__
TP.V56.PB801 is a highly popular "three-in-one" universal LED TV motherboard that integrates the main logic board, power supply (SMPS), and LED backlight driver into a single PCB. It is widely used for repairing or upgrading 32 to 42-inch LED TVs from various brands like LG, Panasonic, and various "China-made" models. TP.V56.PB801 Key Specifications
This board is often a direct replacement for older or damaged mainboards due to its versatile resolution support and power range.
Resolution Support: Native 1366x768 (HD) or 1920x1080 (Full HD).
Screen Size Compatibility: Typically used for 32" to 42" panels.
Backlight Voltage: Outputs ranging from 40V to 94V, with currents adjustable between 480mA and 600mA. Tp.v56.pb801 Schematic Diagram
Input Interfaces: Includes HDMI, VGA, USB (for multimedia and firmware), AV, and a standard RF TV tuner. Power Input: Supports standard AC 100-240V 50/60Hz mains. Understanding the Schematic Diagram
A TP.V56.PB801 schematic diagram is essential for component-level repair, as it details the signal flow between the main processor and the secondary power rails. Technical documents for this board generally include several key sections: TP.V56.PB801 Circuit and Datasheet | PDF - Scribd
TP.V56.PB801 is a widely used "three-in-one" universal LED TV motherboard that integrates the power supply, LED backlight driver, and TV tuner into a single PCB. It is a staple in the repair industry for reviving 32-inch to 46-inch LED TVs from brands like Orion, Elenberg, and Erisson. Core Architecture & Schematic Highlights
The schematic for this board reveals a complex but efficient power management and signal processing layout: Power Distribution Signal Processing: Decoding of HDMI, VGA, and AV inputs
: The board typically operates with input voltages ranging from 66V to 94V. Internally, the schematic outlines conversion paths to (for the main system) and Backlight Driver
: It features a built-in constant current driver. Common configurations include a output (40-60V at 520mA) for 32-39 inch screens or a output (66-94V at 600mA) for larger 40-46 inch panels. Signal Interfaces : The board utilizes the
chipset (often implied by the "V56" designation), supporting resolutions up to Connectivity
: Standard ports include HDMI, VGA, USB (for media and firmware upgrades), and AV inputs. Common Faults & Troubleshooting Signal Processing: Decoding of HDMI
Technicians often refer to the TP.V56.PB801 schematic to resolve specific hardware failures: Marhynchus TP.V56.PB801 LED Driver Board - Amazon.in
1. Overview
The TP.V56.PB801 is a universal LCD/LED controller board (mainboard) widely used in the repair and refurbishment of LED televisions. It is a high-performance, integrated board designed to support LED backlight panels with a resolution support up to Full HD (1920x1080). This board is popular in the repair market due to its versatility, low power consumption, and integrated design, often serving as a direct replacement for failed proprietary boards in brands such as Samsung, LG, Hisense, and various OEM brands.
B. Main Processor (MCU)
The heart of the board is the Mstar series processor (e.g., MST6M181VS). This BGA (Ball Grid Array) chip handles:
- Signal Processing: Decoding of HDMI, VGA, and AV inputs.
- LVDS Output: Generating the Low-Voltage Differential Signaling required to drive the LCD panel.
- Timing Control (T-CON): Synchronization of panel gate drivers.
D. Audio Section
The audio path consists of a digital-to-analog converter (DAC) feeding into a Class-D amplifier chip.
- Amplifier: Common chips include the TPA3110 or TPA3116.
- The schematic shows the audio signal path routing from the MCU I2S outputs to the Amp inputs, finally driving the speakers through output filters (inductors and capacitors) to prevent high-frequency noise.