52TH-42LF25W / TH-47LF25W11.4. Electrical Replacement Boards list (42 inch)Note: All boards are Non serviceable.11.5. Electrical Replacement Boards list (47 inch)Note: All boards are Non serviceable.11.6. Boards LayoutSafety Ref.No.Part No. Part Name &DescriptionPcs Remarks15 T6103500829 CIRCUIT BOARDRC+LED137 T6103500836 CIRCUIT BOARDKEY SW141 T6103565026 CIRCUIT BOARDPOWER142 T6103568188 CIRCUIT BOARDMAIN143 T6103500812 CIRCUIT BOARDJACK163 T6103516394 CIRCUIT BOARDCONNECTOR1Safety Ref.No.Part No. Part Name &DescriptionPcs Remarks15 T6103500829 CIRCUIT BOARDRC+LED137 T6103500836 CIRCUIT BOARDKEY SW141 T6103565033 CIRCUIT BOARDPOWER142 T6103565002 CIRCUIT BOARDMAIN143 T6103500812 CIRCUIT BOARDJACK163 T6103516394 CIRCUIT BOARDCONNECTOR1Ref.No. Board Name Function Remarks15 RC+LED Remote Receiver, LEDAll boards are Non serviceable.37 KEY SW Control Button41 POWERPower (AC/DC), DC-DCNon serviceableP-Board should be exchanged for service.42 MAIN Main, Audio & Video Signal Processor, HDMI in, PC in43 JACK AV Terminal63 CONNECTOR Connection board for RC+LED