Emerson 6420FE service manual Main 2/4 Schematic Diagram, L2401SCM2

Page 30

Main 2/4 Schematic Diagram

VIDEO SIGNAL

AUDIO SIGNAL

G4

H4

I4

J4

K4

L4

G3

H3

I3

J3

K3

L3

G2

H2

I2

J2

K2

L2

G1

H1

I1

J1

K1

L1

 

7-5

 

 

 

7-6

MAIN 2/4

Ref No. Position

ICS

IC431 G-3

IC771 H-2

IC801 I-3

TRANSISTORS

Q801 J-3

Q811 I-3

CONNECTORS

CN801 L-4

CN802

L-4

L2401SCM2

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Contents
6420FE EWF2004 Important Safety Notice Table of ContentsDBµv SpecificationsDescription Condition Unit Nominal Limit DBµv AFT Pull In Range 10mV input MHz ±2.0 ±0.7Not be Above 0.5 mA Important Safety PrecautionsSafety Precautions for TV Circuit L6115IMPL6115IMP Precautions during Servicing Safety Check after Servicing Clearance DistanceLeakage Current Test Circuit Board Indications How to Remove / Install Flat Pack-ICStandard Notes for Servicing Pb Lead Free SolderMasking Flat Pack-IC Tape Tweezers With Iron WireMachine With Soldering IronInstallation Pin 1 of the Flat Pack-IC Is indicated by a markPresolder Ground for Workbench Instructions for Handling SemiconductorsGround for Human Body IncorrectDisassembly Method Cabinet Disassembly InstructionsDisassembly Flowchart Reference Notes in the TableRear Cabinet Rear Cabinet Main CBACRT TV Cable Wiring Diagram +B Adjustment Electrical Adjustment InstructionsHow to set up the service mode Service modeInitial Setting GeneralSD Check Mode F0 AdjustmentBlack Stretch Control Adjustment Purity Check10. V. Position Adjustment Position AdjustmentSize Adjustment Software ResetMode Input Cut-off AdjustmentWhite Balance Adjustment Tape SpecSub-Brightness Adjustment Focus AdjustmentPurity Adjustment Convergence Adjustment FiguresBlock SystemIF/Video Block Diagram L2401BLIFAudio L2401BLABlock Diagram CRT/H.V Diagram L2401BLPSchematic Diagrams / Cbas and Test Points Standard NotesTolerance of Capacitors are noted with the following Is not consistent here Wire ConnectorsHow to read converged lines 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 Q1511 Q1511 Collector Base CRT CBA Top ViewQ1521 Q1521 Collector Base Q1531 BaseWaveforms WF4WF9 CollectorWiring Diagram L2401WIPin Signal Name Function IC PIN FunctionsIC111 TV Micro Controller AFT Voltage Input White Balance AdjustmentJudgement Degaussing Coil ControlExploded Views Cabinet11-1 11-2 L2401CEX Packing X-2 X-3 Tape Packing Tape 11-3 L2401PEXMechanical Parts List Comparison Chart of Models and Marks20040405 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 ICS20040405 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
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