故障现象一辆桑塔纳志俊轿车,累计行驶1.8万km,车主反映该车在打开收音机后的行驶过程中会出现收音机突然断电,过一会又工作正常的现象,且有一阵一阵焦味。检查分析通过路试发现了客户所描述的故障现象,回站后收音机工作又正常了。试车中还注意到,当故障出现时收音机液晶显示屏上无任何显示,车内 Symptoms A Santana Chi-jun sedan, total mileage of 18,000 km, the owner of the car reflects the car in the process of turning on the radio after a sudden power outage radio, after a while and work properly, and a burst of burnt smell. Inspection and analysis through the road test found the fault described by the customer phenomenon, the radio station back to work again. Also noticed during the test, when the fault appears no radio LCD display, the car