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福奈((FUNAI)VIP—8000K放像机在目前市场上有一定的拥有量,因其具有价格低,操作简捷、图像稳定、多功能等特点,深受广大用户所喜爱。由于维修资料不全,往往给维修带来一定的难度,下面举几例故障检修以供参考。 [例1]故障现象 重放SP带时出现LP走带速,且自上往下有白色噪声带,调节跟踪不起作用。 分析与检修 由上述故障现象来看,能够出现完整的图像,说明鼓伺服系统工作基本正常,问题可能出现在主导伺服系统。主导伺服系统包括速度控制环路和相位控制环路,速度
FUNAI VIP-8000K player has a certain amount of possession in the current market, because of its low price, easy operation, image stability, multi-function, etc., loved by the majority of users. Due to incomplete maintenance information, often Bring a certain degree of difficulty to the maintenance, here are a few examples of troubleshooting for reference. [Example 1] Symptom Replaced SP with SP belt transport speed, and there is a white noise band from top to bottom, regulation tracking does not work Analysis and Overhaul From the above symptom, the complete image can be seen, indicating that the drum servo system works basically normal, the problem may appear in the leading servo system.The leading servo system includes the speed control loop and the phase control loop, the speed