6. 2. Troubleshooting flow* The letters in the left of inspection items indicate the P.C. Boards or Modules related to their respective descriptions.* Inspection should be done with "ON" to interlock switch. (inter lock detection)Push the interlock switch to the ON state, and paste the adhesive tape.Confirm the power supply is 90 V - 264 V AC. Check the power supply.Confirm the thermal fuse installed in side of the lamp house.Confirm every connector (especially, A5, A8, A9, P3,K3, K4 and P1) is connected and the lamp unit coveris installed properly.A Disconnect the connector A5, check betweenterminal 13 and 12. Short circuit? AConnect the connectors or install the cover properly.K2 Replace F9101, then confirm the projector becomesstandby mode. (If not, go to the next.)A Confirm the interlock switch on A-P.C.Board is ON. A Solder the properly or replace the interlock switch.(SW1001)Check L1074, C1209, C1211 and C1213.Replace the thermal fuse. (Wire Harness)Replace the P-P.C.Board.K2 Confirm the fuse (F9101) has blown.Replace the P-P.C.Board, then confirm the power indicatorilluminates red. The projector does not become standby mode. (The power indicator does not illuminate red.)K2 Check between terminal 1 and 3 of connector K3.Short circuit? K2 Check the K2-P.C.Board.PCheck between terminal 1 and 3 of connector P1.Check between terminal 13 and 12 of connector P3.Short circuit?PNONOYESOKNGYESNOYESNOYESYESNOOKNGYESNOINF - 16