- 7 - Service ManualPCB DesignationBOARD PART NUMBER BOARD DESCRIPTIONA-Board TXANP1A0RV Main chassisB-Board TNPH0121AG Power supplyC-Board TNPA1513 ConvergenceD-Board TNPA0609AB Protection circuitF2-Board TNP2AA056AA Digital 3-line comb filterG-Board TNP2AA049 Front A/V connectionsK-Board TNP2AA050 Costumer controlsLB-Board TNPA0784BA Blue CRT driveLG-Board TNPA0783BA Green CRT driveLR-Board TNPA0782BA Red CRT driveN-Board TNP2AA027AB 2nd tunerR-Board TNPA0615 Remote sensorT-Board TNP2AA045AD Line filterX-Board TNP2AA063AB A/V inputsY-Board TNPA1059AC PIP processingTable 1: PCB DesignationNote: The C & F2-Boards (TNPA1513 &TNP2AA056AA, respectively) are Non-Serviceable. If either board is defective,replace the board with a new one, and returnthe defective board to the Service Center.For Schematics please refer to PT-51G35B inSimplified Service Manual No. MTNC000234A1Important Notice: