9 Service Position9.1. Checking & Repairing MainP.C.B.Step 1 Remove the top cabinet to service Main P.C.B.9.2. Checking & Repairing D-AmpP.C.B.Step 1 Remove the top cabinet.Step 2 Remove 3 screws at the rear panel.Step 3 Remove 2 screws on Main P.C.B.Step 4 Detach 17P cable at the connector (CN2007) on MainP.C.B.Step 5 Detach 4P cable at the connector (CN2013) on MainP.C.B.Step 6 Detach 13P cable at the connector (CN2016) on PowerSupply P.C.B.Step 7 Detach 28P cable at the connector (CN6001) on PowerSupply P.C.B.Step 8 Detach Main P.C.B. from the rear panel and position itaccording to the diagram show.Step 9 Attach original cable with extension cable REEX0815(17P cable from CN2009 to CN5050).Step 10 Remove 2 screws then remove the AC Inlet shieldplate unit.Step 12 Remove the P.C.B. bracket.Caution Note: Keep the P.C.B. bracket in safe place. Avoiddenting it. Place it back during assembling.Step 13 Remove 2 screws on D-Amp P.C.B.Step 14 Remove the wire clamper to detach 3P cable at theconnector (CN5501) on D-Amp P.C.B.40SA-PT465EE