Ccpd-tc425-001 Diagram __exclusive__ Jun 2026
Symptom 2: Vertical Colored Lines or Half-Screen Display Failure
: Features a soft interface (ribbon cable connector) typically utilizing a 60-pin , 68-pin , or 80-pin FFC (Flat Flexible Cable). Common Diagram & Repair Points Ccpd-tc425-001 Diagram
Vertical or horizontal lines, color patches, or half of the screen showing garbage. Symptom 2: Vertical Colored Lines or Half-Screen Display
Panda 43-inch display configurations frequently develop inside the glass matrix layer. Because the T-Con board detects an overcurrent draw on the VGH or VGL lines when this happens, its internal protection loop shuts down the DC-DC converter IC. This safety shut-off results in a black screen despite a fully functional LED backlight. Diagnosing Shorted Rails Because the T-Con board detects an overcurrent draw
If a replacement board does not solve the line issue, a common bypass fix used by technicians involves isolating the specific shorted clock/gate signals passing from the T-Con to the display panel via the flat flexible cables (FFC). By cutting a very thin strip of insulation tape (approx. 2mm to 4mm wide) and placing it over the side-gate clock pins (typically labeled CKV, VGH, or VGL lines on the diagram), you can block the conflicting shorted signals from ruining the entire array, cleanly restoring the panel's functionality.
When a TV displays vertical colored lines, ghosting, half-screen shadows, or a blank screen with the backlight still on, a malfunctioning T-CON board or a shorted panel gate signal is typically the culprit. Understanding the circuit architecture, signal mapping, and test point voltages through a schematic overview is essential for successful diagnosis and component-level repair. Key Specifications & Hardware Architecture
: Receives high-speed, raw low-voltage differential signaling (LVDS) video data and operating voltage ( VCCcap V sub cap C cap C end-sub