Emerson service manual 6420FE/EWF2004 L2401UB/L2404UE

6420FE EWF2004 Important Safety Notice Table of ContentsSpecifications Description Condition Unit Nominal LimitDBµv DBµv AFT Pull In Range 10mV input MHz ±2.0 ±0.7Important Safety Precautions Safety Precautions for TV CircuitNot be Above 0.5 mA L6115IMPL6115IMP Precautions during Servicing Clearance Distance Safety Check after ServicingLeakage Current Test How to Remove / Install Flat Pack-IC Standard Notes for ServicingCircuit Board Indications Pb Lead Free SolderWith Iron Wire MachineMasking Flat Pack-IC Tape Tweezers With Soldering IronPin 1 of the Flat Pack-IC Is indicated by a mark InstallationPresolder Instructions for Handling Semiconductors Ground for Human BodyGround for Workbench IncorrectCabinet Disassembly Instructions Disassembly FlowchartDisassembly Method Reference Notes in the TableRear Cabinet Main CBA Rear CabinetCRT TV Cable Wiring Diagram Electrical Adjustment Instructions How to set up the service mode+B Adjustment Service modeInitial Setting GeneralF0 Adjustment Black Stretch Control AdjustmentSD Check Mode Purity CheckPosition Adjustment Size Adjustment10. V. Position Adjustment Software ResetCut-off Adjustment White Balance AdjustmentMode Input Tape SpecFocus Adjustment Sub-Brightness AdjustmentPurity Adjustment Convergence Adjustment FiguresBlock SystemIF/Video Block Diagram L2401BLIFAudio L2401BLABlock Diagram CRT/H.VDiagram L2401BLPStandard Notes Schematic Diagrams / Cbas and Test PointsTolerance of Capacitors are noted with the following Wire Connectors How to read converged linesIs not consistent here Test Point InformationMain 1/4 Schematic Diagram L2401SCM1Main 2/4 Schematic Diagram L2401SCM2Main 3/4 Schematic Diagram L2401SCM3Main 4/4 & CRT Schematic Diagram Main 4/4 Ref No PositionMain CBA Top View BL2700F01012-1Main CBA Bottom View CRT CBA Top View Q1521 Q1521 Collector BaseQ1511 Q1511 Collector Base Q1531 BaseWaveforms WF4WF9 CollectorWiring Diagram L2401WIIC PIN Functions Pin Signal Name FunctionIC111 TV Micro Controller White Balance Adjustment JudgementAFT Voltage Input Degaussing Coil ControlCabinet Exploded Views11-1 11-2 L2401CEX Packing X-2 X-3 Tape Packing Tape 11-3 L2401PEXComparison Chart of Models and Marks Mechanical Parts List20040405 12-1 L2401CA Electrical Parts List 20040405 13-1 L2401EL20040405 13-2 L2401EL Electrolytic CAP .33∝F/50V M CE1JMASDLR33Connectors 20040405 13-3 L2401EL20040405 13-4 L2401EL ICS 20040405 13-5 L2401EL Transistor 2SC2120-YTPE220040405 13-6 L2401EL Switches 20040405 13-7 L2401EL20040405 13-8 L2401EL RCA Jack 1P AV-8.4-9W6420FE/EWF2004 L2401UB/L2404UE