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一则海信TC2110L彩电,开机后,无拉幕功能,直接进入自动搜台状态,且不能记忆。同时还观察到:冷开机即出现上述问题,而热开机正常;有时能开机,有时又不能开机。分析与检修:根据故障现象分析,无拉幕功能,可能为I2C总线数据设置错误;开机即进入自动搜台状态,也可能为I2C总线数据设置错误(I2C总线数据中有开机是否拉幕以及是否开机自动搜台的设置)。进入I2C总线调整状态,调整相应的控制项,故障现象
A Hisense TC2110L color TV, boot, no curtain function, directly into the automatic search station state, and can not remember. At the same time also observed: cold boot that is, the above problems, but the normal boot hot; sometimes boot, and sometimes can not boot. Analysis and Overhaul: According to the analysis of the failure phenomenon, no curtain function, it may set an error for I2C bus data; it will automatically search for the status after powering on, and may also set an error for I2C bus data (whether there is a boot screen in the I2C bus data and whether Boot automatically search station settings). Into the I2C bus to adjust the status, adjust the corresponding control items, symptoms