大屏幕电视由于保护电路、校正、补偿电路多,电路间影响大,常会因一个元件出现故障,产生几种现象,适当抓住主要故障现象,顺藤摸瓜,会找出故障元件,反之,如被次要现象迷住了,常会误入歧途。下面举两例资以说明。 Large screen TV due to the protection of the circuit, correction, compensation circuit, the circuit between the large, often due to a component failure, resulting in several phenomena, appropriate to seize the main symptoms, follow the example, will find fault components, on the contrary, To be fascinated by the phenomenon, often go astray. The following two cases to illustrate.