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File name ETE-3 UOC TDA111xx, TDA121xx SM.pdf

COLOR TELEVISION SERVICE MANUAL MODELNO.PF21GB300 CHASSISNO.ETE-3 Please read this manual carefully before service. 1 / 32 1 / 32 CONTENTS Part I. Safty instructions and maintenance 1.1 X-Ray Radiation precaution... 3 1.2 Safety Precaution...3 1.3 Product Safety Notice...3 1.4 Safety Symbol Description...4 1.5 Maintenance... 5 Part II. Adjustments 2.1 Set-up Adjustments... 5 2.1.1 Color Purity Adjustment... 5 2.1.2 Convergence Adjustment... 6 2.1.3 White Balance Adjustment...8 2.2 Circuit Adjustments...8 2.2.1 Degaussing...9 2.2.2 Confirmation and Adjustment for Voltage...9 2.2.3 High Voltage Inspection...10 2.2.4 Lian grid, focus of the adjustment and white balance adjust...11 2.2.5 Service Mode...12 PartIII. Struction and Chassis Function Description 3.1 Structure Block Diagram...18 3.2 Chassis Description...18 3.2.1 General Description...18 3.2.2 The ICs and Assemblies the Chassis mainly uses...19 PartIV. Service Data 4.1 TV Signal Processor TDA111XX series...20 4.1.1 General Description...20 4.1.2 Features of TV processor...20 4.2 TFA9842AJ...24 4.2.1 General Description...24 4.2.2 Features...24 4.2.3 Block diagram of TFA9842AJ...25 4.2.4 Pining...25 4.2.5 Pin Description...26 2 4.3 Vertical Scan Output Stage Circuit...26 4.3.1 Features...26 4.3.2 General Description...27 4.3.3 Block Diagram of TDA4864AJ...27 4.4 EEPROM AT24C16...28 4.4.1 Features...28 4.4.2 Pin Description...28 4.4.3 Memory Organization...29 4.4.4 Block Diagram...