MSO9104A Oscillscope faulty need rerpair

i have a set which shows error FPGA mismatch

  • MEMCON 2 error
  • MEMCON 3 error after checking manual , its say its acquisition board faulty.

i managed to purcvhase a working set and then replace it with a acquisition board ... it was working for one but then it become blank screen. then it keep re booting.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0