: The pins are measured in microns, requiring cameras and monitors for proper positioning.
The display goes completely blank, or the TV cycles into a protection reboot mode.
The output section consists of hundreds of micro-fine pins arranged in precise pitches. These channels transmit the modulated analog voltages straight to the source lines of the LCD pixels. nt61219h-c6021a cof datasheet
Given its part-numbering structure, the NT61219H-C6021A is almost exclusively designed for high-resolution displays. It is most commonly found driving the massive amount of data required for . A typical 4K panel (3840 x 2160 resolution) requires a specific number of data lines, often segmented into multiple COF modules like this one. These modules are bonded directly to the edge of the glass screen, appearing as small black rectangles on the flexible ribbons that connect to the LCD panel.
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 pins are measured in microns, requiring
⚠️ : COF replacement requires a TAB bonding machine (thermocompression or ACF). Hand soldering is nearly impossible.
You can source individual units for repair from specialized vendors like RGB TV Screen LCD Repair Machine Technical Data: A typical 4K panel (3840 x 2160 resolution)
Technicians must wear grounded anti-static wrist straps and work on dissipative mats to prevent static spikes from puncturing the internal driver gates.
[Removal of Old COF] ➔ [Cleaning Glass/PCB Pads] ➔ [ACF Tape Pre-application] ➔ [Microscopic Alignment] ➔ [Thermal Hot-Bar Pressing]
LCD COF TAB NT61219H-C6021A. COF MODULE : NT61219H-C6021A Product Specification 1.MOQ: 20 pieces，support mixed; 2.D/C: 100% NEW 3. Guangzhou RGB Electronic Technology Co., Ltd
: Like other COF ICs in this series, it manages critical voltages such as (Gate High), (Gate Low), (Logic Power, typically 3.3V), and Procurement