时有时无.检查红枪电压,故障时截止!但调整发射极可调电阻,可恢复正常!一会又变的红色特别浓,再调又可以调到正常!查看解码板正常,红色视放管也换过,尾板检查一切正常 !在无奈之下,用显像管激活仪激活红枪,故障不在出现! 出处! |
|小黑屋|最新贴|维修网
( 粤ICP备09047344号 ) 
GMT+8, 2025-5-22 19:48 , Processed in 0.498329 second(s), 23 queries .
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.
