Toshiba 50A50 55A60, 50A60 service manual Terminal View of Transistors

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TERMINAL VIEW OF TRANSISTORS

1 2SD2253	2	2SC3852		3 2SC752GTM		4 2SC752		5 2SA1788
(old)		2SD1763A		2SC2482		2SA562TM
2SC5243		2SC1569		2SC2655		2SA1015
		2SC4544		2SC4721P		2SC1815
		2SA1788				2SC2878
		2SA1306				2SC1740S
E C B		2SA1186A				2SC2120
E C B						2SA9335		E	C B
		E	C B
		E			CE
				B	CE		CE
				B		B	CE
						B

6	RN2203	7	2SD1554	8	ON4409
	RN2201		2SD2253
	RN2004		2SD1556
	RN1203		2SD2553
	RN1204		2SC5143
	RN2204
	RN1205				C B
	RN1202				C B
	RN1202				E
	RN1201		B
			E C

E C B

SPECIFIC INFORMATIONS GENERAL ADJUSTMENTS

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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 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