51 Pin Lvds Pinout Datasheet -

interfaces often mistaken for LVDS. Because pinouts for 51-pin connectors vary significantly by manufacturer (e.g., Samsung vs. LG), there is no single "universal" datasheet. AliExpress Common 51-Pin Interface Types FHD LVDS (2-Channel, 8-bit/10-bit):

Used for Full HD resolutions. Often features a power block (VCC) on pins 48–51 or 1–4 depending on the panel orientation. V-by-One HS:

Physically looks like a 51-pin LVDS connector but uses a different signal protocol for 4K UHD resolutions. These are electrically compatible without a converter. Samsung vs. LG Layouts:

Samsung and LG often use identical physical connectors but different signal mappings. Using the wrong cable can permanently damage the panel.

IJERT – International Journal of Engineering Research & Technology Representative Pinout Structures

While you must verify against your specific panel's datasheet (e.g., Samsung LTA460HN01

), general configurations for high-resolution panels often follow these clusters: Function Type Description Control/Ground Includes NC (No Connect), SDA/SCL (I2C), and Ground pins. LVDS Data Lanes Odd/Even channel pairs (e.g., RXO0± to RXE3±) and Clocks. Ground/Option Signal grounds and selection pins (e.g., JEIDA/VESA mode). Power (VCC)

Typically 12V for large panels; sometimes 5V for smaller displays. Technical Resources for Verification Conversion diagram of small board connection

According to the statistics, the LVDS and V-by-One signal formats currently occupy a large. proportion of TVs, and the LVDS and V- www.bulcomp-eng.com Vbyone To Lvds Conversion Using Kintex-7 FPGA

Unlike standard 20/30-pin LVDS, the 51-pin interface is a proprietary high-density connector typically manufactured by JAE (model FI-XB30SRL-HF or FI series). It is designed to carry dual-channel or even quad-channel LVDS signals, power, backlight control, and I²C for touchscreens in a single compact housing.

1. Overview

The 51-pin LVDS (Low-Voltage Differential Signaling) connector is a standard interface widely used to connect host controllers (embedded PCs, SBCs, or industrial GPUs) to TFT-LCD panels. It is most commonly found in industrial-grade displays and legacy medical equipment. 51 pin lvds pinout datasheet

This interface typically utilizes the FI-X (FI-X30HL) series connector (manufactured by JAE or compatible brands like JST). The 51-pin configuration allows for high-bandwidth data transmission, supporting high resolutions (up to 1920x1080 or higher depending on clock speed) and 24-bit or 18-bit color depth.

Unlike the smaller 20-pin (single-channel) or 30-pin (dual-channel) connectors common in consumer laptops, the 51-pin connector is designed for robustness and often includes additional signal lines for backlight control, touch panels, or expansion GPIOs.

Final note

Use the actual panel or module datasheet for any production wiring or PCB design; pinouts vary by vendor and model.

Related searches: see suggestions for alternate queries.

✅ Final Recommendation

If you are designing a product or repairing a display:

  1. Find the exact LCD model number (not just the cable).
  2. Search Panelook.com for the pinout.
  3. Check if it’s actually 51-pin or 41-pin – many people miscount (41-pin is far more common for LVDS).
  4. Count the pins again – Connector housings often have “missing” or dummy pins.

If all else fails, post clear photos of:

Let me know the specific LCD panel model you have, and I can help locate the exact 51-pin LVDS pinout datasheet.

This guide is for informational purposes. Always consult official documentation before connecting power or signals.

The 51-pin LVDS (Low Voltage Differential Signaling) interface is a high-performance standard primarily used in large-format displays, such as Full HD (1080p) and 4K LED/LCD TVs. This pinout configuration supports dual-channel 8-bit or 10-bit data transmission, providing the bandwidth necessary for high-resolution imaging and fast refresh rates. Common 51-Pin LVDS Pinout Configurations

While specific pinouts can vary by manufacturer (e.g., Samsung vs. LG), most 51-pin interfaces follow a similar logic for power, ground, and differential signal pairs. Pin Number Signal Type Description 1 – 4 (or 48 – 51) VCC / Power Power supply (typically 12V for large panels) GND Ground Distributed throughout to reduce EMI Even Channels LVDS Signals interfaces often mistaken for LVDS

Differential pairs for even-numbered pixels (E0-, E0+, etc.) Odd Channels LVDS Signals Differential pairs for odd-numbered pixels (O0-, O0+, etc.) Clock Pairs Timing Clock signals for synchronization (OC/EC pairs)

Samsung/CMO Standard: Often uses Pins 1–4 for power supply.

LG/AUO Standard: Frequently utilizes Pins 48–51 for power supply. Key Hardware Specifications Specification of Cortex Board

Demystifying the 51-Pin LVDS Pinout: A Practical Guide & Datasheet Overview

If you have ever tried to swap a 4K or Full HD TV motherboard, upgrade an LCD panel, or work on high-density display projects, you have likely run into the notorious 51-pin LVDS connector AliExpress

Unlike older 30-pin standards that were relatively consistent, 51-pin assignments can vary wildly between panel manufacturers like LG, Samsung, BOE, and AUO. Connecting an LVDS cable without matching the exact pinout of your specific datasheet is the fastest way to blow a fuse or permanently fry your display panel.

This guide breaks down what a standard 51-pin LVDS pinout looks like, how to read the datasheet, and how to stay out of trouble during an installation. What is a 51-Pin LVDS Cable Used For?

Low-Voltage Differential Signaling (LVDS) transmits high-speed binary data using very low voltage swings over twisted-pair copper cables. The 51-Pin Variant

is predominantly found in high-resolution displays (like Full HD and 4K TV screens) or dual-channel, 8-bit, and 10-bit color depth environments.

The extra pins are required to carry additional differential clock and data lanes to handle the massive bandwidth required for these high pixel counts. AliExpress Anatomy of a Common 51-Pin LVDS Pinout must always refer to your panel's specific PDF datasheet ✅ Final Recommendation If you are designing a

, many 51-pin displays (especially common Full HD dual-channel 8-bit setups) share a recognizable clustered structure. AliExpress

A typical datasheet divides these 51 pins into several functional groups: 1. Power Supply (VCC / VDD) What they do: Provide operational power to the LCD logic board (T-CON). Where to find them:

Usually clustered at one extreme end of the pinout (often Pins 1 through 5, or the very last few pins). Common Voltage: for larger TV panels. 2. Ground (GND) What they do:

Complete the circuit and provide shielding to minimize crosstalk and signal degradation. Where to find them:

Dispersed frequently between the differential pairs and clustered next to the VCC pins. AliExpress 3. True & Inverting Differential Data Pairs

Because LVDS relies on comparing two opposite signals to cancel out noise, data lanes always come in matched, twisted pairs: "Low-Voltage Differential Signaling LVDS Design Notes"

Low-voltage differential signaling (LVDS) is a signaling method used for high-speed transmission of binary data over copper.

2. Connector Specifications

3. Use component databases

Sample Pinout – 51-pin (2-channel LVDS + backlight + I²C + touch)

| Pin | Signal | Pin | Signal | |-----|--------------|-----|----------------| | 1 | VCC (3.3V) | 26 | GND | | 2 | VCC (3.3V) | 27 | TX0- | | 3 | VCC (3.3V) | 28 | TX0+ | | 4 | GND | 29 | GND | | 5 | TX0- (A0-) | 30 | TX1- | | 6 | TX0+ (A0+) | 31 | TX1+ | | 7 | GND | 32 | GND | | 8 | TX1- (A1-) | 33 | TX2- | | 9 | TX1+ (A1+) | 34 | TX2+ | | 10 | GND | 35 | GND | | 11 | TX2- (A2-) | 36 | TXC- (Clock) | | 12 | TX2+ (A2+) | 37 | TXC+ (Clock) | | 13 | GND | 38 | GND | | 14 | TXC- (Clock) | 39 | TX3- (Optional)| | 15 | TXC+ (Clock) | 40 | TX3+ | | 16 | GND | 41 | GND | | 17 | TX3- (B0-) | 42 | Backlight VCC | | 18 | TX3+ (B0+) | 43 | Backlight VCC | | 19 | GND | 44 | Backlight GND | | 20 | TX4- (B1-) | 45 | Backlight GND | | 21 | TX4+ (B1+) | 46 | BL Enable | | 22 | GND | 47 | BL PWM Dim | | 23 | TX5- (B2-) | 48 | I²C SCL | | 24 | TX5+ (B2+) | 49 | I²C SDA | | 25 | GND | 50 | Touch IRQ | | | | 51 | Touch Reset |

🔍 Legend:

Part 3: The Logical Pinout – Signal Groups

The 51 pins are not random; they are organized into functional groups. A standard 51-pin LVDS interface (based on the OpenLDI standard) typically includes:

Step 4: Decode the "Mapping Standard."

LVDS has two competing color mapping standards:

The difference: JEIDA swaps R0-R5 and G0-G5. If your image has inverted colors, you have a JEIDA/SPWG mismatch.