Comprehensive CRT Block Diagram and Control Functions

VIDEO SIGNAL

IC551 (V-DEFLECTION CONTROL)

MAIN CBA

CRT/H.V

			WF11	THERMAL	WF12
			WF11	PROTECTION	5
RAMP-OUT			7		5
RAMP-OUT			7
			AMP	5	4
			1	PULSE	3
V-RAMP-F/B				PULSE	3
V-RAMP-F/B				UP	WF9
TO				UP	WF9
TO					1
IF/VIDEO BLOCK			6	3
			6	3	CN571
	WF7	WF8			CN571
	WF7	WF8
	Q572	T572	Q571
H-DRIVE	H.DRIVE	T572
H-DRIVE	H.DRIVE		H.OUTPUT

TO POWER	PROTECT-4
TO POWER	DEF+B
SUPPLY BLOCK	DEF+B
SUPPLY BLOCK	+B
	+B
TO	PROTECT-1			T571 F.B.T.	FOCUS VR
TO	PROTECT-2
SYSTEM CONTROL	PROTECT-2				HV		ANODE
BLOCK	PROTECT-3				HV		ANODE
BLOCK					F


	X-RAY				S		FOCUS
	X-RAY						FOCUS
6-4	TP591	TP592	1		11		SCREEN
6-4			3		8
			5		10
			5
					7
					SCREEN VR
			4		9
					6
					WF10	WH501A		WH501B
						3	HEATER	3
						1	+200V	1
TO	FBP-IN
IF/VIDEO BLOCK	ACL
	ACL

JK1501

			WF3	WF15	WF4	WF14
		WH301B		Q1511		WF14
		WH301B		Q1511		Q1521
TO	RED	3		RED AMP		Q1521
	RED	3		RED AMP
	GREEN	4
IF/VIDEO BLOCK	GREEN	4				GREEN AMP
WH301A	BLUE	5					BLUE AMP
	BLUE	5					BLUE AMP
						WF5	Q1531
						WF5	WF13

DY551 D.Y.

V-

DRIVE

H-

DRIVE

ANODE

FOCUS

SCREEN

GND

R V501

GCRT

HEATER

. Block Diagram

L2401BLCRT

CRT CBA

CN1501

GND

Page 25

Image 25

Emerson 6420FE service manual Block Diagram, Crt/H.V

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.

Contents

6420FE EWF2004 Table of Contents Important Safety Notice Description Condition Unit Nominal Limit SpecificationsDBµv DBµv AFT Pull In Range 10mV input MHz ±2.0 ±0.7 Safety Precautions for TV Circuit Important Safety PrecautionsNot be Above 0.5 mA L6115IMP L6115IMP Precautions during Servicing Clearance Distance Safety Check after ServicingLeakage Current Test Standard Notes for Servicing How to Remove / Install Flat Pack-ICCircuit Board Indications Pb Lead Free Solder Machine With Iron WireMasking Flat Pack-IC Tape Tweezers With Soldering Iron Pin 1 of the Flat Pack-IC Is indicated by a mark InstallationPresolder Ground for Human Body Instructions for Handling SemiconductorsGround for Workbench Incorrect Disassembly Flowchart Cabinet Disassembly InstructionsDisassembly Method Reference Notes in the Table Rear Cabinet Main CBA Rear CabinetCRT TV Cable Wiring Diagram How to set up the service mode Electrical Adjustment Instructions+B Adjustment Service mode General Initial Setting Black Stretch Control Adjustment F0 AdjustmentSD Check Mode Purity Check Size Adjustment Position Adjustment10. V. Position Adjustment Software Reset White Balance Adjustment Cut-off AdjustmentMode Input Tape Spec Focus Adjustment Sub-Brightness AdjustmentPurity Adjustment Figures Convergence Adjustment System Block L2401BLIF IF/Video Block Diagram L2401BLA Audio CRT/H.V Block Diagram L2401BLP Diagram Standard Notes Schematic Diagrams / Cbas and Test PointsTolerance of Capacitors are noted with the following How to read converged lines Wire ConnectorsIs not consistent here Test Point Information L2401SCM1 Main 1/4 Schematic Diagram L2401SCM2 Main 2/4 Schematic Diagram L2401SCM3 Main 3/4 Schematic Diagram Main 4/4 Ref No Position Main 4/4 & CRT Schematic Diagram BL2700F01012-1 Main CBA Top View Main CBA Bottom View Q1521 Q1521 Collector Base CRT CBA Top ViewQ1511 Q1511 Collector Base Q1531 Base WF4 Waveforms Collector WF9 L2401WI Wiring Diagram IC PIN Functions Pin Signal Name FunctionIC111 TV Micro Controller Judgement White Balance AdjustmentAFT Voltage Input Degaussing Coil Control Cabinet Exploded Views11-1 11-2 L2401CEX X-2 X-3 Tape Packing Tape 11-3 L2401PEX Packing Comparison Chart of Models and Marks Mechanical Parts List20040405 12-1 L2401CA 20040405 13-1 L2401EL Electrical Parts List Electrolytic CAP .33∝F/50V M CE1JMASDLR33 20040405 13-2 L2401EL 20040405 13-3 L2401EL Connectors ICS 20040405 13-4 L2401EL Transistor 2SC2120-YTPE2 20040405 13-5 L2401EL 20040405 13-6 L2401EL 20040405 13-7 L2401EL Switches RCA Jack 1P AV-8.4-9W 20040405 13-8 L2401EL 6420FE/EWF2004 L2401UB/L2404UE

Emerson Detailed Block Diagram of CRT with Focus on Control Functions

Models: 6420FE