Samsung SR-L677EV Service Manual

Also see for SR-L627EV: Owner's instructions

Contents

The connection of DOOR-CABIReference1Inspection of RelayReference2Note) C → Common, NO → Normal open, NC → Normal close3. When it operates as above, it is normal andwhen it does not operate, report thecorresponding relay.1. Measure the coil bisection of the relay andcheck whether it works.2. Measure the apex bisection for open circuit.* First separate the housing connected to themain PCB CN70, 71 and measure thefollowing items.Apex 3DC 12V(Operation)DC 0V(Standstill)DC 12V(Operation)DC 0V(Standstill)C-NO:SHORTC-NC:OPENC-NO:OPENC-NO:SHORTSHORTOPENApex category The voltage ofcoil bisectionJudging theapex bisectionApex 28. Reference39