AS ASC 6002 Logic control board

[jaehong Lee]

Hi!

I need help for solving logic control board of AS6002.


My 6002 has problem of turing fsast only right side reel just after power on( without toucing any button ).


I recapped every electrolytic capacitors and same results.

Which logic IC should I look for?



and I baught another logic board from ebay.

that one is working OK execpt oneting.

wen I press play , it mutes the audio siginal.

I can see VU meter is working.

so Which IC  or Transitor should I check ?



Thanks in advance.

jaehong