Emerson 6420FE service manual Size Adjustment, 10. V. Position Adjustment, Software Reset

Page 18

8. H. Position Adjustment

Purpose: To obtain correct horizontal position of screen image.

Symptom of Misadjustment: If H. Position is incor- rect, horizontal position of image on the screen may not be properly displayed.

Test Point

Adj. Point

Mode

 

Input

 

 

 

 

 

 

 

 

 

 

---

CH o / p

RF

 

Mono-

buttons

 

scope

 

 

 

 

 

 

 

 

Tape

M. EQ.

 

Spec.

 

 

 

---

Monoscope

90±5%

 

 

 

 

 

Note: Use service remote control unit

1.Operate the unit for at least 20 minutes.

2.Enter the Service mode. (See page 5-1)

3.Receive the monoscope pattern.

4.Press "8" button on the remote control unit. "H-P" is indicated.

5.Press "CH o/p" buttons on the service remote control unit so that the monoscope pattern will be 90±5% of display size and the circle is round.

6.Turn the power off and on again. (Main power but- ton on the TV unit.)

9. V. Size Adjustment

Purpose: To obtain correct vertical width of screen image.

Symptom of Misadjustment: If V. Size is incorrect, vertical size of image on the screen may not be properly displayed.

Test Point

Adj. Point

Mode

 

Input

 

 

 

 

 

 

 

 

 

 

---

CH o / p

RF

 

Mono-

buttons

 

scope

 

 

 

 

 

 

 

 

Tape

M. EQ.

 

Spec.

 

 

 

---

Monoscope

90±5%

 

 

 

 

 

Note: Use service remote control unit.

1.Operate the unit for at least 20 minutes.

2.Enter the Service mode. (See page 5-1)

3.Receive the monoscope pattern.

4.Press "9" button on the service remote control unit and select "V-S" mode. (Display changes "V-S" and "V-P" cyclically when "9" button is pressed).

5.Press "CH o/p" buttons on the service remote control unit so that the monoscope pattern will be 90±5% of display size and the circle is round.

6.Turn the power off and on again. (Main power but- ton on the TV unit.)

10. V. Position Adjustment

Purpose: To obtain correct vertical width of screen image.

Symptom of misadjustment: If V. Position is incor- rect, vertical height of image on the screen may not be properly displayed.

Test Point

Adj. Point

Mode

 

Input

 

 

 

 

 

---

CH o / p

RF

 

Mono-

buttons

 

scope

 

 

 

 

 

 

 

 

Tape

M. EQ.

 

Spec.

 

 

 

---

Monoscope

See below.

 

 

 

 

 

Note: Use service remote control unit

1.Operate the unit for at least 20 minutes.

2.Enter the Service Mode. (See page 5-1)

3.Receive the monoscope pattern.

4.Press "9" button on the service remote control unit and select "V-P" mode. (Display change "V-S" and "V-P" cyclically when "9" button is pressed).

5.Press "CH o/p" buttons on the service remote control unit so that the top and bottom of the mono- scope pattern will be equal of each other.

6.Turn the power off and on again. (Main power but- ton on the TV unit.)

11. Software Reset

To reset software, press “5” button on the remote con- trol unit for at least 5 seconds after pressing “CH RETURN” button on the remote control unit.

5-4

L2401EA

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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.VDiagram 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

6420FE specifications

The Emerson 6420FE is a robust and versatile platform designed for a variety of industrial applications, particularly in process automation, manufacturing, and control systems. This model represents Emerson’s commitment to innovation and performance, catering to the evolving needs of industries that require reliable and accurate control solutions.

One of the main features of the Emerson 6420FE is its advanced processing capability. Equipped with a high-performance processor, the device ensures fast data processing and response times, which are critical in real-time control environments. This allows organizations to optimize their processes, enhance productivity, and improve operational efficiency.

Connectivity is another standout characteristic of the Emerson 6420FE. It supports a range of communication protocols, including Ethernet/IP, Modbus, and others, enabling seamless integration with various devices and systems. This flexibility ensures that the 6420FE can be easily incorporated into existing networks, facilitating smooth data exchange and interoperability among different automation components.

In terms of safety, the Emerson 6420FE is designed with features that ensure compliance with industry standards. It includes built-in redundancy options that enhance operational reliability and minimize downtime. Moreover, the device undergoes rigorous testing to meet safety certifications, providing peace of mind to operators and stakeholders.

The user interface of the Emerson 6420FE is intuitive and user-friendly, featuring an easy-to-navigate design that simplifies configuration and operation. This is paired with advanced diagnostic capabilities, allowing operators to troubleshoot issues effectively and maintain optimal system performance without significant downtime.

Another notable aspect of the Emerson 6420FE is its scalability. Whether in a small application or a large-scale industrial environment, the device can be easily scaled to meet varying demands. This adaptability makes it an ideal solution for companies looking to future-proof their automation systems.

In conclusion, the Emerson 6420FE is a powerful and reliable device that embodies Emerson’s commitment to innovation in process control and automation. With its advanced processing power, versatile connectivity options, robust safety features, user-friendly interface, and scalability, it stands out as an excellent choice for industries looking to enhance their operational efficiencies and ensure streamlined processes. As technology continues to evolve, the Emerson 6420FE remains a cornerstone in automation solutions, driving productivity and reliability in various industrial applications.
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