针对局部海信液晶电视电源板产生不定时不开机、长等候机后遥控不开机、不定时智能关机、不定时黑屏等，电源板号，RSAG7.820.4162、RSAG7.820.5024、RSAG7.820.2289、RSAG7.820.1673、RSAG7.8......