DEF/POWER Board PB9451 | Toshiba 50A60, 50A50 55A60 manual

DEF/POWER BOARD PB9451

BOTTOM (FOIL) SIDE

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Toshiba 50A60, 50A50 55A60 service manual DEF/POWER Board PB9451

Contents

50A60, 50A50 Table of Contents General Adjustments Safety Instructions RAY Radiation PrecautionSafety Precaution Product Safety Notice CRT Assembly Replacement and Mounting Leakage will Occur Servicing Precautions Adjusting Procedure in Replacing CRT Picture Tube Components Adjustment B Focus AdjustmentTilt Adjustment Centering Adjustment Location of Screen and Focus VR’S Screen VR Focus VR Replacement of the CRT Replacement of High Voltage Cable Service Mode Entering to Service ModeDisplaying the Adjustment Menu KEY Function in the Service Mode Selecting the Adjusting Items Adjusting the DataExit from Service Mode Self Diagnostic Function Electrical Adjustment Adjustment Procedure Height HITWidth WID Convergence Adjustment KEY Function Convergence AdjustmentCentering Adjustment Picture Position Adjustment CRT Replacement Replacing Convergence Unit HOW to Clean Lens and Mirror HOW to Clean ScreenScreen and Mirror Alignments Assembling Front Screen Circuit Checks High Voltage CheckAnode Voltage Measuring Method FS Circuit Check Specific Informations Setting & Adjusting Data Safety InstructionsService Mode Adjusting Items and Data in the Service Mode Circuit Checks Power Volume T S Exit Demo Menu TV/VIDEO Reset Recall Power Timer TV/VIDEOLight Mute Programming Channel Memory TV/CABLE function Circuit Block Diagram Mechanical Disassembly Capacitors Chassis Replacement Parts ListOMF 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 Semiconductors TFB3086AD IC, MC14053BFEL Miscellaneous Picture Tube PC Board AssembliesTuner Accessories Cabinet Parts SIGNAL/CON Board PB9450 Bottom Foil Side DEF/POWER Board PB9451 BACK/AV Board PB9452 DIGI-CONV Board PB9453 DIGI-COMB Board PB9398 Drive Board PB9454-1 Drive Board PB9454-3 Drive Board PB9454-2 FRONT-IN Board PB9454-9 FRONT-CONV Board PB9454-5REM Board PB9454-10 SVM Board PB9454-6 FRONT-CON Board PB9454-8 Terminal View of Transistors Memo Specifications Representative 50A60 Toshiba Corporation