Emerson 6420FE service manual Audio, L2401BLA

Page 24

MAIN CBA

IF/VIDEO BLOCK SIF

AUDIO SIGNAL

Audio

IC431 (MTS/SAP AUDIO SIGNAL PROCESS)

Block

VCA

STEREO

L+R

75uS

OFFSET

L-CH 30

FILTER

OFFSET

FILTER

DE-EMPH

CANCEL

L-R

MATRIX

AGC

Diagram

FILTER

WIDE BAND

OFFSET

R-CH 29

(L-R)/SAP

SAP

SAP OUT

FILTER

RMS DET

EXPAND

CANCEL

FILTER

DEMOD

FILTER

dBX

SPECTRAL

DE-EMPH

EXPAND

I2C

DECORDER

SPECTRAL

FILTER

RMS DET

IC771 (INPUT SELECT)SP801

6-3

JK711

TUNER

REAR

FRONT

(L-CH)

WF6

IC801 (AUDIO AMP)

AMP

(L-CH)

MUTE

/STANDBY VOLUME CONTROL

SPEAKER

L-CH

CN801 CLN801

SP-L 1

SP-GND 2

JK801

HEADPHONE

JACK

AUDIO-IN(L) (REAR)

JK711

AUDIO-IN(R) (REAR)

JK702

AUDIO-IN(L) (FRONT)

JK703

AUDIO-IN(R) (FRONT)

L2401BLA

	(R-CH)
4	TUNER
2	REAR
1	FRONT

SW CTL

9 10

(R-CH)

AMP

2 7 5

Q801

Q811

VOLUME

A-MUTE

INPUT 0

INPUT 1

SCL

SDA

SP802

SPEAKER

R-CH

CN802 CLN802

SP-R 1

SP-GND 2

POWER

SUPPLY

BLOCK

SYSTEM

CONTROL

BLOCK

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Contents 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 Safety Check after Servicing Clearance DistanceLeakage 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 IronInstallation Pin 1 of the Flat Pack-IC Is indicated by a markPresolder Instructions for Handling Semiconductors Ground for Human BodyGround for Workbench IncorrectCabinet Disassembly Instructions Disassembly FlowchartDisassembly Method Reference Notes in the TableRear Cabinet Rear Cabinet Main CBACRT 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 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 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 L2401WIPin Signal Name Function IC PIN FunctionsIC111 TV Micro Controller White Balance Adjustment JudgementAFT Voltage Input 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.