If you’ve ever repaired a 4K TV, a high-end monitor, or a large-format LCD panel, you’ve likely encountered a — Chip-on-Film. One common but often misunderstood part is the NT61219H-C6021A .
The damaged COF is peeled away from the PCB and glass substrate using a localized heat blade.
Multi-channel high-voltage outputs (typically 720 to 960 channels, depending on panel mapping)
Used to bond the COF to the glass.
Always store components in static-shielding bags. Technicians must wear grounded anti-static wrist straps during replacement.
Initiates the scanning of a new frame.
Technicians often use "flying line" or when a specific trace on the original COF is damaged. These diagrams map the internal pinouts to allow for manual wiring (jumpers) to restore signal flow without replacing the entire module. Sourcing and Availability nt61219h-c6021a cof datasheet
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The following table reconstructs a datasheet for the NT61219H-C6021A by referencing industry-standard parameters for COF LCD drivers. The data is derived from analyzing a supplier listing for this specific part and comparing it to similar driver ICs.
While full manufacturer datasheets are often proprietary, the following commercial specifications are standard for this module: Condition: Available as 100% new original parts. Typically supported by a 60-day warranty from specialized parts suppliers. Available from specialized retailers like RGB TV Screen LCD Repair Machine 2. Common Symptoms of COF Failure If you’ve ever repaired a 4K TV, a
Controls the timing of the output driver to prevent overlapping signals. 3. Output Channels
Unstable VGH or VGL voltages passing through the COF can disrupt panel refresh cycles.
The NT61219H-C6021A belongs to the or TAB (Tape Automated Bonding) family of drivers. In this architecture, the driver IC is mounted directly onto a flexible plastic film. Primary Functions Initiates the scanning of a new frame