Toshiba 50A60, 50A50 55A60 service manual DIGI-CONV Board PB9453, DIGI-COMB Board PB9398

Page 42

DIGI-CONV BOARD PB9453

BOTTOM (FOIL) SIDE

SPECIFIC INFORMATIONS GENERAL ADJUSTMENTS

DIGI-COMB BOARD PB9398

BOTTOM (FOIL) SIDE

– 46 –

Image 42

Contents 50A60, 50A50 Table of Contents Safety Precaution General Adjustments Safety InstructionsRAY Radiation Precaution Product Safety NoticeCRT Assembly Replacement and Mounting Leakage will OccurServicing Precautions Adjusting Procedure in Replacing CRTTilt Adjustment Picture Tube Components AdjustmentB Focus Adjustment Centering AdjustmentLocation of Screen and Focus VR’S Screen VR Focus VRReplacement of the CRT Replacement of High Voltage CableDisplaying the Adjustment Menu Service ModeEntering to Service Mode KEY Function in the Service ModeExit from Service Mode Selecting the Adjusting ItemsAdjusting the Data Self Diagnostic FunctionElectrical Adjustment Adjustment ProcedureWidth HeightHIT WIDCentering Adjustment Convergence AdjustmentKEY Function Convergence Adjustment Picture Position AdjustmentCRT Replacement Replacing Convergence UnitScreen and Mirror Alignments HOW to Clean Lens and MirrorHOW to Clean Screen Assembling Front ScreenAnode Voltage Measuring Method Circuit ChecksHigh Voltage Check FS Circuit CheckService Mode Adjusting Items and Data in the Service Mode Specific Informations Setting & Adjusting DataSafety Instructions Circuit ChecksPower Volume T S Exit Demo Menu TV/VIDEOLight ResetRecall Power Timer TV/VIDEO MuteProgramming Channel Memory TV/CABLE functionCircuit Block Diagram Mechanical Disassembly Chassis Replacement Parts List CapacitorsOMF 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 TFB3086ADIC, MC14053BFEL Miscellaneous PC Board Assemblies Picture TubeTuner Accessories Cabinet PartsSIGNAL/CON Board PB9450 Bottom Foil SideDEF/POWER Board PB9451 BACK/AV Board PB9452 DIGI-CONV Board PB9453 DIGI-COMB Board PB9398Drive Board PB9454-1 Drive Board PB9454-3Drive Board PB9454-2 FRONT-CONV Board PB9454-5 FRONT-IN Board PB9454-9REM Board PB9454-10 SVM Board PB9454-6 FRONT-CON Board PB9454-8 Terminal View of Transistors Memo Specifications Representative 50A60 Toshiba Corporation