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康佳“D”型彩电的主芯片为三洋LA7688N/A,因此也常称为“三洋单片机”,机芯分为两个系列:即35～54 cm(14～21英寸)的中小屏幕机芯和74～86 cm(25～29英寸)的大屏幕机芯。“蓝屏”(开机后满屏蓝光栅,无图像、无伴音)故障是“D”型机的常见故障,其故障率仅次于“三无”故障,这是因为康佳“D”型机具有无信号(包括弱信号)蓝屏功能:下面就中小屏幕“D”型机彩电的几种检修实例作以介绍。
Konka “D” type TV main chip Sanyo LA7688N / A, it is often called “Sanyo SCM”, the movement is divided into two series: the 35 ~ 54 cm (14 to 21 inches) of the small screen movement and 74 ~ 86 cm (25 ~ 29 inches) large-screen movement. “Blue Screen” (blue screen with full screen after startup, no image, no sound) The failure is a common failure of the “D” type machine with the failure rate second only to the “three noes” failure because the Konka “D” No signal (including weak signal) Blue screen function: The following on the small screen “D” type TV several maintenance examples to be introduced.