Samsung RB215BSSB Service Manual - Page 68
Is DOOR SWITCH normal?
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Diagnostics Start YES Is DOOR OPEN? YES Is DOOR SWITCH normal? YES Is Room LAMP(R,F) normal? Is the contact state of connector CN70 & CN71 normal? CN70 � PIN;F LAMP WIRE PIN CN71 � PIN;R LAMP WIRE PIN R DOOR SIGNAL MICOM #43 OPEN :0V,CLOSE :5V F DOOR SIGNAL MICOM #42 OPEN :0V,CLOSE :5V YES Are the voltages of MICOM #42 & #43 for DOOR SWITCH normal? YES Are MICOM #24 "HIGH"(5V)? FLA MP#24 RLA MP#29 YES Are IC70 #13 "LOW"? F LAMP IC70 #13 F LAMP IC70 #16 FLA MPK73 RLA MPK75 YES Are lamp controlling relay (K73 &K75) normal? YES Normal / Re-check NO DOOR OPEN NO Change DOOR SWITCH NO Change LAMP NO Re-check the ccutact of the connector CN70 & CN71 NO Check connector CN30, soldering & short/Change PCB NO Change PCB NO Change PCB NO Change PCB 68
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