Logic board II 

 

  

MCS 312 (+ gamma D + 6970 door)          Status 4-group                Eprom type RCBII

 

  

MCS 321 M (+ OVF 1)                     OCSS                                     MCSS

(MCB+RCBII+ADISS)

 

  

Data old                                              Modify                                    Modification

 

  

OVF 1

 

  

GEN II