Toshiba 50A50 55A60, 50A60 service manual BACK/AV Board PB9452

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BACK/AV BOARD PB9452

BOTTOM (FOIL) SIDE

GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

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Contents 50A60, 50A50 Table of Contents RAY Radiation Precaution General Adjustments Safety InstructionsSafety Precaution Product Safety NoticeLeakage will Occur CRT Assembly Replacement and MountingAdjusting Procedure in Replacing CRT Servicing PrecautionsB Focus Adjustment Picture Tube Components AdjustmentTilt Adjustment Centering AdjustmentScreen VR Focus VR Location of Screen and Focus VR’SReplacement of High Voltage Cable Replacement of the CRTEntering to Service Mode Service ModeDisplaying the Adjustment Menu KEY Function in the Service ModeAdjusting the Data Selecting the Adjusting ItemsExit from Service Mode Self Diagnostic FunctionAdjustment Procedure Electrical AdjustmentHIT HeightWidth WIDKEY Function Convergence Adjustment Convergence AdjustmentCentering Adjustment Picture Position AdjustmentReplacing Convergence Unit CRT ReplacementHOW to Clean Screen HOW to Clean Lens and MirrorScreen and Mirror Alignments Assembling Front ScreenHigh Voltage Check Circuit ChecksAnode Voltage Measuring Method FS Circuit CheckSafety Instructions Specific Informations Setting & Adjusting DataService Mode Adjusting Items and Data in the Service Mode Circuit ChecksTV/VIDEO Power Volume T S Exit Demo MenuRecall Power Timer TV/VIDEO ResetLight MuteTV/CABLE function Programming Channel MemoryCircuit Block Diagram Mechanical Disassembly OMF Chassis Replacement Parts ListCapacitors Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Resistors Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Specific Informations General Adjustments Coils & Transformers TFB3086AD SemiconductorsIC, MC14053BFEL Miscellaneous Tuner PC Board AssembliesPicture Tube Cabinet Parts AccessoriesBottom Foil Side SIGNAL/CON Board PB9450DEF/POWER Board PB9451 BACK/AV Board PB9452 DIGI-COMB Board PB9398 DIGI-CONV Board PB9453Drive Board PB9454-3 Drive Board PB9454-1Drive Board PB9454-2 REM Board PB9454-10 FRONT-CONV Board PB9454-5FRONT-IN Board PB9454-9 SVM Board PB9454-6 FRONT-CON Board PB9454-8 Terminal View of Transistors Memo Specifications Representative 50A60 Toshiba Corporation