Sansui Tv Memory Corrupt reapted

Sansui Model - SAN14MBF

Memory ic data reset / corrupt so many time

Change memory but fault not solved. 

After check some part when I change smps transistor collector cap 681 2kv set ok. 

Resolder all smps components and chroma ic and memory supplies. 

Rgb out put ckt

Ckt back side



Ckt front side



681k 2kv pf



Model no sticker