修维电家作工不机外室。板主机内室换更请,则否。线接确正否是板主机内室,确正否是接连部外、内室查检请,有没果如。压电V022有否是机外室查检后电上1。器压变查检请,音声述上到不听器鸣蜂动电果如2。脂油热导抹涂间之们它在终始。块模和器热散为换更块模将后然,块模换更,块模源电换更请,有没果如。良不接连或动松否是块模源电的(个01共总)线号信板主查检先请,亮不灯示指板接外但,是果如。线接和桥流整,堆应反查