51 Pin Lvds Pinout Datasheet __hot__ -
51-pin LVDS (Low Voltage Differential Signaling) connector is a high-density interface commonly used in large Full HD (FHD) and 4K LCD/LED television panels. Unlike the standard 30-pin cables found in laptops, the 51-pin configuration typically supports dual-channel 8-bit or 10-bit data transmission , allowing for higher resolutions and refresh rates. www.bulcomp-eng.com Common 51-Pin LVDS Pinout Layout
B. Dual-Link 8-bit (24-bit color) – Most common for 51-pin
- Odd Link (A): Pins 8-15, 37-38 (TxIN0-3 + TxCLK)
- Even Link (B): Pins 40-47, 46-47 (TxIN4-7 + TxCLK2)
- Result: 8 LVDS data lines + 2 clock lines.
- Max resolution: 1920x1200 (WUXGA) to 2560x1600 (WQXGA) at 60Hz.
While pinouts can vary by manufacturer (e.g., LG vs. Samsung), many follow a generalized pattern for FHD 60Hz panels: Signal Name Description GND / NC / Config 51 pin lvds pinout datasheet
1. Physical Characteristics (JAE FI-X Series)
| Parameter | Specification | |-----------|----------------| | Pin Count | 51 positions | | Pitch | 0.5 mm | | Mating Type | Compression (zero insertion force – ZIF) | | Locking | Slide lock (front or side actuation) | | Current Rating | 0.5 A per pin | | Voltage Rating | 50 V AC/DC | | Common Mating Cable | FI-X30H (30-pin) – Wait, note: 51-pin housing often only populates 30 or 41 pins depending on display. Full 51 pins are rare. | Odd Link (A): Pins 8-15, 37-38 (TxIN0-3 +
| Pin | Signal | Pin | Signal | | :--- | :--- | :--- | :--- | | 1 | GND | 27 | GND | | 2 | VDD (Panel Power, e.g., 3.3V/5V/12V) | 28 | VDD | | 3 | VDD | 29 | VDD | | 4 | VDD | 30 | VDD | | 5 | VDD | 31 | VDD | | 6 | VDD | 32 | VDD | | 7 | GND | 33 | GND | | 8 | TxIN0- (Odd Link A0-) | 34 | TxIN1- (Odd Link A1-) | | 9 | TxIN0+ (Odd Link A0+) | 35 | TxIN1+ (Odd Link A1+) | | 10 | GND | 36 | GND | | 11 | TxIN2- (Odd Link A2-) | 37 | TxCLK- (Odd CLK-) | | 12 | TxIN2+ (Odd Link A2+) | 38 | TxCLK+ (Odd CLK+) | | 13 | GND | 39 | GND | | 14 | TxIN3- (Odd Link A3 – for 6-bit or 8-bit) | 40 | TxIN4- (Even Link B0 – Dual Link) | | 15 | TxIN3+ (Odd Link A3+) | 41 | TxIN4+ (Even Link B0+) | | 16 | GND | 42 | GND | | 17 | TxIN5- (Even Link B1) | 43 | TxIN6- (Even Link B2) | | 18 | TxIN5+ (Even Link B1+) | 44 | TxIN6+ (Even Link B2+) | | 19 | GND | 45 | GND | | 20 | TxIN7- (Even Link B3) | 46 | TxCLK2- (Even CLK-) | | 21 | TxIN7+ (Even Link B3+) | 47 | TxCLK2+ (Even CLK+) | | 22 | GND | 48 | GND | | 23 | SCL (I2C Clock – for DDC/EDID) | 49 | SDA (I2C Data) | | 24 | Panel Enable (BL_EN / LVDS_EN) | 50 | PWM Brightness Ctrl | | 25 | VDD (Backlight Power – direct or logic) | 51 | VDD Backlight Return (GND) | | 26 | NC / Reserved | | | While pinouts can vary by manufacturer (e
Step 3: Inside the PDF, look for:
- "Pin Assignment" table.
- "Interface Timing" section. (Confirms if it is JEIDA or SPWG standard – they swap color channel order).
- "Connector Type" section. (Confirms DF9-51 or compatible).
- Tx0 – R0..R5, G0 (6-bit) or R0..R7, G0..G1 (8-bit)
- Tx1 – G1..G5, B0..B1 (6-bit) or G2..G7, B0..B3 (8-bit)
- Tx2 – B2..B5, HSYNC, VSYNC, DE (6-bit) or B4..B7, HS, VS, DE, Rsv (8-bit)
- Tx3 – Clock (always)
7. Troubleshooting a 51-pin LVDS System
Symptom: No backlight, but faint image visible.
→ Check Pin 24 (Enable) and Pin 50 (PWM). Measure voltage; should be >2V for Enable.
The 51-pin LVDS pinout is a standardized high-speed serial interface commonly used in Full HD (1920x1080) and 4K display panels. The most frequent implementation follows the JAE FI-RE51S series connector standard, which utilizes a 2-channel 8-bit configuration. Standard Pinout Configuration (2-Channel 8-Bit)