长虹changhong 彩电SF2166K(F25)可搜索台号增加搜索完后无台没有存储

永信家电维修

一台长虹changhong  SF2166K（F25）总线故障，现象是可搜索，台号可增加，搜索完毕后无台，没有存储，手动搜索可以收看，此时图声正常，一旦换台又没了，另外场幅偏小，进总线调整好后，马上就还原了，行幅还偏大，现在把实录的总线数据发上来，各位帮忙看看，是哪些项目出错，先谢谢各位了。（注：有些项目不能更改）
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VIDEO.SW 0 SUB COLOR 63 SUB.TINT 31 SUB 夏普SHARP  63 S.TRAP.T 4 C.TRAP.T 4 C.BPF T 0 DVD B-Y 3 DVD R-Y 3
3 }/ K' q2 H. u. S1 ~& C5 sBLNK.DEF 0 FBP.BLK.SW 1 FILT.SYS 7 COLOR.SYS 5 VOL.FIL 0 VIF.SYS.SW 0 SIF.SYS.SW 3 V.CD.MODE 0
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向经潮

调最后一项ROM CORREC , 不行换个空白存储器试试。