Nt61219h-c6021a Cof Datasheet

: One or more colored vertical lines, or a solid black/white vertical block appearing on the screen.

| Pin Group | Signal Name | Description | | :--- | :--- | :--- | | | VDD, VSS | Digital core power (3.3V) and ground. | | | AVDD, AVSS | Analog power for output buffers (13-17V). | | | VGH, VGL | Gate high (25-30V) and Gate low (-5V to -8V) – passed through for gate drivers. | | Data Input | RxIN0P/N ... RxIN9P/N | 10-pair Mini-LVDS differential data lines. | | | RxCLKINP/N | Differential clock input. | | Control | POL | Polarity inversion signal (line or dot inversion). | | | STH (Start Horizontal) | Horizontal start pulse for source driver shift register. | | | CPH (Clock Horizontal) | Clock for shifting in data. | | Output | S1 to S720 | Analog source drive outputs to LCD columns. | | Test | TEST1, TEST2 | Factory test pins (leave floating in application). |

thickness) from a stable voltage source on the T-CON board (like VGH or VGL) directly to the exposed trace on the glass side. COF Replacement (ACF Bonding)

: The image on one side of the screen jitters, loses contrast, or goes completely blank.

: Commonly found in high-definition TV panels from brands like Samsung, LG, and various Chinese manufacturers (e.g., BOE, CSOT). nt61219h-c6021a cof datasheet

Source output channels delivering modulated grayscale voltages. 4. Common Failure Symptoms and Diagnostic Techniques

: This component is widely found in source driver configurations, meaning it controls the vertical data column matrices of large-format display panels. Key Technical Specifications Overview

Unstable VGH or VGL voltages passing through the COF can disrupt panel refresh cycles.

The is a proprietary Source Driver Chip-on-Film designed for large-format TFT-LCD panels. The naming convention reveals critical information: : One or more colored vertical lines, or

Complete Technical Overview and Guide for NT61219H-C6021A COF IC

What specific (e.g., vertical lines, thermal issues) are you currently observing?

NT61219H-C6021A COF Datasheet: Technical Overview & Pinout Guide

: Timing references to sync horizontal and vertical lines. Data Lines : Differential pairs carrying pixel color data. IC Substrate (The Silicon Die) | | | VGH, VGL | Gate high

The is an essential component in modern display maintenance. Understanding its function and sourcing reliable, new parts is critical for any technician specializing in LED/LCD screen repair. For detailed pinout information, technicians often use panel-specific debugging tools to ensure exact compatibility with the display panel in question.

: Chip-on-Film (COF) / Tape Carrier Package (TCP)

Gently peel the damaged COF off the PCB and glass substrate.