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Iiyama Vision Master Pro 451 - User Manual

Iiyama Vision Master Pro 451
78 pages
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Contents
SERVICE MANUAL
A902MT
1. SET-UP ADJUSTMENTS
2. TIMING CHART
3. IC APPLICATION
4. CIRCUIT DESCRIPTION
5. SERVICE PARTS LIST
6. EXPLODED VIEW
7. DIAGRAMS
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Summary

Safety Precautions

Isolation Check Procedures

Performing checks to ensure product safety from electrical shock hazards.

Set-up Adjustments

Anode Voltage Adjustment

Adjusting the high voltage to 25.0±0.1kV with VR501 (HV-ADJ).

Automatic Color Adjustments

Performing automatic adjustments for color temperature and contrast limits using a color analyzer.

Focus Adjustment

Adjusting FOCUS-A and FOCUS-B VRs on T501 for sharp focus across the screen.

Timing Chart

IC Application

Power and Microprocessor ICs

Lists ICs used in power supply and microprocessor circuits for control and regulation.

Circuit Description

Power Supply Circuit Description

Describes the main, sub, and power factor circuits, including start-up procedures.

Control Circuits Description

Explains horizontal/vertical oscillation, deflection, and size/distortion control.

Video Circuit Description

Describes pre-amplification, ABL, and output stages for video signals.

Protection Circuit Description

Details circuits that prevent monitor damage and X-ray radiation during faults.

Service Parts List

Assy-Monitor Components

Lists components for the monitor assembly, including cabinets, shields, and screws.

Assy-PWB-Main Components

Lists components on the main printed wiring board, including capacitors and resistors.

Exploded View

Exploded View - Assy-Monitor

Shows the internal layout and component mounting for the monitor assembly.

Exploded View - Assy-PWB-Main

Details the component placement and connections on the main PWB.

Diagrams

Block Diagrams

Shows functional blocks and signal flow between major monitor assemblies.

PWB-MAIN Schematic Diagram

Detailed schematic diagram for the main printed wiring board.

Summary

Safety Precautions

Isolation Check Procedures

Performing checks to ensure product safety from electrical shock hazards.

Set-up Adjustments

Anode Voltage Adjustment

Adjusting the high voltage to 25.0±0.1kV with VR501 (HV-ADJ).

Automatic Color Adjustments

Performing automatic adjustments for color temperature and contrast limits using a color analyzer.

Focus Adjustment

Adjusting FOCUS-A and FOCUS-B VRs on T501 for sharp focus across the screen.

Timing Chart

IC Application

Power and Microprocessor ICs

Lists ICs used in power supply and microprocessor circuits for control and regulation.

Circuit Description

Power Supply Circuit Description

Describes the main, sub, and power factor circuits, including start-up procedures.

Control Circuits Description

Explains horizontal/vertical oscillation, deflection, and size/distortion control.

Video Circuit Description

Describes pre-amplification, ABL, and output stages for video signals.

Protection Circuit Description

Details circuits that prevent monitor damage and X-ray radiation during faults.

Service Parts List

Assy-Monitor Components

Lists components for the monitor assembly, including cabinets, shields, and screws.

Assy-PWB-Main Components

Lists components on the main printed wiring board, including capacitors and resistors.

Exploded View

Exploded View - Assy-Monitor

Shows the internal layout and component mounting for the monitor assembly.

Exploded View - Assy-PWB-Main

Details the component placement and connections on the main PWB.

Diagrams

Block Diagrams

Shows functional blocks and signal flow between major monitor assemblies.

PWB-MAIN Schematic Diagram

Detailed schematic diagram for the main printed wiring board.

Iiyama Vision Master Pro 451 Specifications

General IconGeneral
BrandIiyama
ModelVision Master Pro 451
CategoryMonitor
LanguageEnglish

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