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.
The heart of the board is the Mstar series processor (e.g., MST6M181VS). This BGA (Ball Grid Array) chip handles:
Before diving into the schematic, it is essential to understand what the Tp.v56.pb801 actually is. It is an all-in-one main board that integrates the following functions:
The "TP" designation often refers to a reference design from a large ODM (Original Design Manufacturer) like TPV Technology (Top Victory), which manufactures for Philips and others. The v56 indicates the processor generation (often an MStar or Novatek chip), while pb801 is the specific PCB revision.
TP.V56.PB801 is a widely used universal "three-in-one" (combo) motherboard for LCD/LED TVs, integrating the power supply, backlight driver, and TV mainboard onto a single PCB. 🛠️ Technical Specifications This board is typically found in 32" to 42" TV sets. TSUMV56RUU-Z1 or similar V56 chips. Backlight Power: Supports outputs between with up to power delivery. Input Ports: Includes HDMI, USB, VGA, and AV. Resolution Support: Capable of driving panels up to (Full HD). ⚡ Circuit Breakdown
The schematic is divided into several critical power stages: Hot Side (Primary): Bridges the AC input to DC (approx. in 110V regions or in 220V regions). Cold Side (Secondary): Delivers isolated low voltages, typically for the mainboard and for the logic circuits. Backlight Driver:
A step-up (boost) converter circuit that increases voltage to power the LED strips. 🔧 Troubleshooting & Service Menu
Common issues often involve "Standby Mode" (No indicator) or "Mirroring/Color" errors. Common Fix No Power / No LED Check the primary fuse and the 12V secondary rail for shorted diodes. Colors distorted (JEIDA/VESA) Access the Service Menu to change the Upside down image Toggle the setting in the Service Menu. Service Menu Code: Most often Input + 208 Menu + 1147 📂 Schematic Resources
You can find downloadable PDF versions of the schematic and service manuals on these platforms: Elektrotanya (Technical dumps and manuals). Scribd - TP.V56.PB801 Circuit (Detailed component lists). Manuals Plus (Installation and user manual). Important Note:
The TP.V56.PB801 is a universal "three-in-one" LED TV motherboard that integrates the power supply, LED backlight driver (inverter), and main signal processing board into a single unit. It is widely used in 32-inch to 50-inch LED/LCD TVs as a cost-effective replacement for boards like the TP.V56.PB726 or TP.VST59S.PB801. Technical Specifications
The board's performance varies depending on the specific backlight configuration ordered.
Display Support: Supports resolutions of 1366x768 (HD) or 1920x1080 (Full HD).
Panel Size: Compatible with LED panels ranging from 32 to 50 inches. Power Input: Accepts standard AC input from 100V to 240V. Backlight Power Options: 35W Output: Typically 40V–60V at 520mA. 45W Output: Typically 66V–94V at 600mA. Audio Output: Dual channel 2x8W (8Ω). Connectivity Interfaces
This motherboard provides various signal interfaces for modern and legacy device connections: Marhynchus TP.V56.PB801 LED Driver Board - Amazon.in
The TP.V56.PB801 is a widely used Chinese "combo" LED TV motherboard (MainBoard) that integrates the power supply unit (PSU), backlight LED driver, and TV processing logic on a single board. It is commonly found in 32-inch to 40-inch televisions from brands like Orion, Elenberg, Erisson, and various other generic manufacturers. 1. Board Overview & Architecture
As a combo board, the TP.V56.PB801 simplifies TV design by eliminating external power adapters and ribbon cables between the power supply and the main logic board. Main Chipset: TSUMV56RUU (V56 series).
Functions: Handles video processing (HDMI, VGA, AV), audio amplification, and power regulation.
TV Format: Supports analog and digital television signals (though specific tuning depends on the region-specific firmware). 2. Schematic Sections & Key Components
A full schematic for this board typically includes the following critical functional blocks: Primary Power Supply (Hot Side):
Converts AC input to high-voltage DC using a bridge rectifier and a main filter capacitor.
Uses a PWM controller IC (often from the LD series) and a MOSFET to switch the primary winding of the transformer. Secondary Voltage Rails (Cold Side):
12V Rail: The primary output used for the audio power amplifier and further regulation.
5V Rail: Typically derived from the 12V rail via a DC-DC buck converter to power the main processor and USB ports.
1.2V / 1.5V / 3.3V Rails: Low-voltage rails generated by LDO (Low Dropout) regulators or smaller DC-DC converters to power the core and memory of the TSUMV56 chip. LED Driver (Backlight) Circuit: Boosts the voltage to drive the LED backlight strips.
Controlled by a dedicated constant-current driver IC that adjusts brightness via Pulse Width Modulation (PWM) from the main CPU. Audio Section:
Includes a Class-D audio amplifier chip (e.g., TPA3110 or similar) powered by the 12V line. 3. Common Voltages for Troubleshooting
When diagnosing "no power" or "no indicator" faults, check these points on the board: Main Capacitor: ~300V–330V DC (Hot side). Output Diodes: 12V DC (Secondary side). Flash IC (Pin 8): 3.3V DC (Required for the board to boot). DC-DC Coils: Check for 5V and 1.2V outputs. 4. Technical Resources
Detailed schematics and service manuals are often hosted on specialized repair forums and document sharing sites:
Scribd: Hosts TP.V56.PB801 Circuit and Datasheets which include component lists and connection diagrams.
Elektrotanya: A database for service manuals and firmware dumps often used by professionals.
Forum Monitor: Provides technical discussions and repair tips specifically for Chinese chassis boards.
Are you currently troubleshooting a specific fault on this board, such as a power failure or backlight issue? TP.V56.PB801 Circuit and Datasheet | PDF - Scribd
Unlocking the Secrets of the Tp.v56.pb801 Schematic Diagram
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Recommendations
A typical schematic for this board is divided into logical blocks. When you locate a genuine PDF or image of the Tp.v56.pb801 schematic diagram, look for these four critical zones:
Finding the exact schematic for this board can be challenging due to copyright restrictions from manufacturers. However, here are legal and practical methods:
Warning: Avoid scam sites asking for credit cards. Legitimate schematics are usually free PDFs or hosted on donation-based archives.
Data Sheet