Emerson 6420FE CRT CBA Top View, Q1521 Q1521 Collector Base, Q1511 Q1511 Collector Base

Page 35

CRT CBA Top View

 

CRT CBA Bottom View

 

CRT CBA

 

 

 

Ref No.

Position

 

 

TRANSISTORS

 

 

Q1511

A-2

 

 

Q1521

A-2

 

 

Q1531

A-2

 

 

CONNECTORS

 

 

CN1501

B-1

 

 

WH301B

B-2

 

 

WH501B

B-1

 

WF14

 

WF4

Q1521 Q1521

Collector Base

WF15

 

WF3

Q1511 Q1511

Collector Base

WF5

Q1531

Base

WF13

Q1531

Collector

7-15

7-16

BL2700F01012-2

Page 34 Page 36
Image 35
Page 34 Page 36
Contents
6420FE EWF2004 Table of Contents Important Safety NoticeDBµv AFT Pull In Range 10mV input MHz ±2.0 ±0.7 SpecificationsDescription Condition Unit Nominal Limit DBµvL6115IMP Important Safety PrecautionsSafety Precautions for TV Circuit Not be Above 0.5 mAL6115IMP Precautions during Servicing Leakage Current Test Safety Check after ServicingClearance Distance Pb Lead Free Solder How to Remove / Install Flat Pack-ICStandard Notes for Servicing Circuit Board IndicationsWith Soldering Iron With Iron WireMachine Masking Flat Pack-IC Tape TweezersPresolder InstallationPin 1 of the Flat Pack-IC Is indicated by a mark Incorrect Instructions for Handling SemiconductorsGround for Human Body Ground for WorkbenchReference Notes in the Table Cabinet Disassembly InstructionsDisassembly Flowchart Disassembly MethodCRT Rear CabinetRear Cabinet Main CBA TV Cable Wiring Diagram Service mode Electrical Adjustment InstructionsHow to set up the service mode +B AdjustmentGeneral Initial SettingPurity Check F0 AdjustmentBlack Stretch Control Adjustment SD Check ModeSoftware Reset Position AdjustmentSize Adjustment 10. V. Position AdjustmentTape Spec Cut-off AdjustmentWhite Balance Adjustment Mode InputPurity Adjustment Sub-Brightness AdjustmentFocus Adjustment Figures Convergence AdjustmentSystem BlockL2401BLIF IF/Video Block DiagramL2401BLA AudioCRT/H.V Block DiagramL2401BLP DiagramTolerance of Capacitors are noted with the following Schematic Diagrams / Cbas and Test PointsStandard Notes Test Point Information Wire ConnectorsHow to read converged lines Is not consistent hereL2401SCM1 Main 1/4 Schematic DiagramL2401SCM2 Main 2/4 Schematic Diagram L2401SCM3 Main 3/4 Schematic DiagramMain 4/4 Ref No Position Main 4/4 & CRT Schematic DiagramBL2700F01012-1 Main CBA Top ViewMain CBA Bottom View Q1531 Base CRT CBA Top ViewQ1521 Q1521 Collector Base Q1511 Q1511 Collector BaseWF4 WaveformsCollector WF9L2401WI Wiring DiagramIC111 TV Micro Controller Pin Signal Name FunctionIC PIN Functions Degaussing Coil Control White Balance AdjustmentJudgement AFT Voltage Input11-1 11-2 L2401CEX Exploded ViewsCabinet X-2 X-3 Tape Packing Tape 11-3 L2401PEX Packing20040405 12-1 L2401CA Mechanical Parts ListComparison Chart of Models and Marks 20040405 13-1 L2401EL Electrical Parts ListElectrolytic CAP .33∝F/50V M CE1JMASDLR33 20040405 13-2 L2401EL20040405 13-3 L2401EL ConnectorsICS 20040405 13-4 L2401ELTransistor 2SC2120-YTPE2 20040405 13-5 L2401EL20040405 13-6 L2401EL 20040405 13-7 L2401EL SwitchesRCA Jack 1P AV-8.4-9W 20040405 13-8 L2401EL6420FE/EWF2004 L2401UB/L2404UE
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