中文
含义
创维电视检测到 LVDS（低压差分信号）屏线连接异常，E15 代码表示主板与液晶面板之间通过 LVDS 或 V-by-One 排线的数据传输出现问题。这些排线承载着视频像素数据、控制时序信号和面板配置信息。如果排线接触不良或损坏，会导致图像显示异常——可能出现花屏、横条纹、颜色异常、画面闪烁或完全无图像（灰屏）等不同表现。
常见原因
- LVDS 屏线插头未完全插入或卡扣未锁紧，使用中振动导致松动。
- 排线金手指氧化或沾污导致信号接触电阻增大，差分信号衰减。
- 排线内部导线因反复弯折产生断线（特别是靠近插头根部的位置）。
- 屏线插头锁扣损坏或插座焊点开裂，无法牢固固定排线。
- 排线过长或布线不当引入电磁干扰，信号质量下降。
- 屏线与驱动板之间阻抗不匹配（常见于使用非原装屏线后），导致信号反射。
自助排查
- 断电后检查屏线两端是否牢固插入，听到”咔嗒”声表示锁定到位。
- 重新插拔屏线——捏住插头两端平行拔出，避免扭曲，对准方向均匀用力插入直至锁扣卡紧。
- 用橡皮擦或无水酒精轻轻擦拭排线的金手指接触面，去除氧化层后重新连接。
- 开机后用手轻轻按压屏线各个部位，观察画面是否有瞬间恢复——松动或断线处按压可暂时改善接触。
- 检查屏线是否有明显的折痕、破损、铜箔外露等物理损伤——如有则需要更换同规格屏线。
English
Meaning
The Skyworth TV has detected an abnormal LVDS (Low-Voltage Differential Signaling) cable connection. Code E15 indicates a data transmission problem on the LVDS or V-by-One ribbon cable between the main board and the LCD panel. These cables carry video pixel data, timing control signals, and panel configuration information. A poor or damaged cable connection can cause various display issues — distorted picture, horizontal stripes, abnormal colors, screen flickering, or a completely blank (gray) screen.
Common Causes
- The LVDS ribbon cable connector is not fully inserted or the latch is not locked, allowing vibration to loosen the connection over time.
- The gold-plated contacts on the cable have oxidized or become contaminated, increasing contact resistance and attenuating the differential signals.
- Internal wires in the cable have broken due to repeated flexing, especially near the connector stress points.
- The connector latch is broken or the socket solder joints have cracked, preventing secure cable retention.
- The cable is too long or poorly routed, introducing electromagnetic interference and degrading signal quality.
- Impedance mismatch between the cable and the driver board (common after using non-original replacement cables), causing signal reflection.
Self-Check Steps
- Power off and check that both ends of the LVDS cable are fully inserted — listen for a click indicating the latch is engaged.
- Reseat the cable — grip the connector body evenly, pull straight out without twisting, then align and push in evenly until the latch clicks.
- Gently clean the gold contact fingers on the cable with a pencil eraser or isopropyl alcohol to remove oxidation, then reconnect.
- With the TV on, gently press on different sections of the LVDS cable and observe if the image momentarily recovers — a break or loose connection may temporarily improve with pressure.
- Inspect the cable for visible creases, damage, or exposed copper traces — if found, replace with a cable of the same specification.