73JIG FOR SERVICINGWhen you repair the printing board, you can use the following JIG (Extension cable kit).Please order to DENON Official Service. Distributor in your region if necessary.Note: When the connection which is wrong in the JIG (EXTENSION UNIT KIT) is done it becomes cause of damage.8U-110084S : EXTENSION UNIT KIT• Connection of PCB HDMI JIG-Preparation-8U-110084S : EXTENSION UNIT KIT : 1 SetInsulation sheet (Do not supply it) : 3 sheetGround lead (Do not supply it) : 1 pcs-Procedures-(1) Disconnect the connector board.Connection table of Board to BoardNo. Pin Ref. No. PCB Ref. No. PCBq 11pin N4001 FRONT CNT N1803 HDMIw 33pin N4002 FRONT CNT N1804 HDMIe 33pin N4003 FRONT CNT N1805 HDMIr 33pin N4004 FRONT CNT N1806 HDMIDIGITAL UNIT(8U-310116)Board to board1 2 3 4