Toshiba 50A50 55A60, 50A60 service manual Drive Board PB9454-1, Drive Board PB9454-3

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R-DRIVE BOARD PB9454-1

BOTTOM (FOIL) SIDE

SPECIFIC INFORMATIONS GENERAL ADJUSTMENTS

B-DRIVE BOARD PB9454-3

BOTTOM (FOIL) SIDE

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Contents 50A60, 50A50 Table of Contents Product Safety Notice General Adjustments Safety InstructionsRAY Radiation Precaution Safety PrecautionLeakage will Occur CRT Assembly Replacement and MountingAdjusting Procedure in Replacing CRT Servicing PrecautionsCentering Adjustment Picture Tube Components AdjustmentB Focus Adjustment Tilt AdjustmentScreen VR Focus VR Location of Screen and Focus VR’SReplacement of High Voltage Cable Replacement of the CRTKEY Function in the Service Mode Service ModeEntering to Service Mode Displaying the Adjustment MenuSelf Diagnostic Function Selecting the Adjusting ItemsAdjusting the Data Exit from Service ModeAdjustment Procedure Electrical AdjustmentWID HeightHIT WidthPicture Position Adjustment Convergence AdjustmentKEY Function Convergence Adjustment Centering AdjustmentReplacing Convergence Unit CRT ReplacementAssembling Front Screen HOW to Clean Lens and MirrorHOW to Clean Screen Screen and Mirror AlignmentsFS Circuit Check Circuit ChecksHigh Voltage Check Anode Voltage Measuring MethodCircuit Checks Specific Informations Setting & Adjusting DataSafety Instructions Service Mode Adjusting Items and Data in the Service ModeTV/VIDEO Power Volume T S Exit Demo MenuMute ResetRecall Power Timer TV/VIDEO LightTV/CABLE function Programming Channel MemoryCircuit 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 TFB3086AD SemiconductorsIC, MC14053BFEL Miscellaneous Picture Tube PC Board AssembliesTuner Cabinet Parts AccessoriesBottom Foil Side SIGNAL/CON Board PB9450 DEF/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 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