Dell E773c Series User Manual

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SERVICE MANUAL
COLOR MONITOR
DELL E773c Series
THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.
EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF
THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION
AFTER THE DATE OF PUBLICATION AND DISCLAIMS LIABILITY FOR CHANGES,
ERRORS OR OMISSIONS.
MANUFACTURE DATE : MAY.2005

Dell E773c Series Specifications

General

Brand	Dell
Model	E773c Series
Category	Monitor
Language	English

Summary

1. SPECIFICATIONS FOR HP7550 SERIES COLOR MONITOR

2. PRECAUTIONS AND NOTICES

2-1 SAFETY PRECAUTIONS

Guidelines for safely operating and handling the display, including electrical hazards and component care.

2-2 PRODUCT SAFETY NOTICE

Important safety notices regarding component replacement and potential hazards like shock and fire.

2-3 SERVICE NOTES

Technical recommendations for servicing, including lead handling, resistor placement, and wire management.

2-4 HIGH VOLTAGE WARNING

Specific warnings about high voltage hazards during operation and servicing, including X-ray protection.

3. OPERATING INSTRUCTIONS

4. ADJUSTMENT

4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS

Conditions and precautions to follow before performing adjustments, including warm-up time.

4-2 MAIN ADJUSTMENTS

List of main adjustments, their functions, locations on the PCB, and designations.

4-3 ADJUSTMENT METHOD

Procedures for performing various picture adjustments including timings, white balance, focus, and purity.

5. CIRCUIT DESCRIPTION

5-1 MICRO CONTROLLER CIRCUIT

Details of the microcontroller IC, its core, memory, peripherals, and interfaces.

5-2 DEFLECTION CIRCUIT

Explanation of the deflection circuit, including horizontal and vertical oscillators, and X-ray protection.

5-3 TRANSISTOR & DIODE CIRCUIT

List of transistors and diodes with their locations and specific circuit functions.

6. TROUBLE SHOOTING CHART

6-1 NO RASTER, CRT RELATIVE CIRCUIT PROBLEMS

Troubleshooting flowchart for no raster issues related to CRT circuits, power supply, and FBT.

6-2 ABNORMAL DISPLAY

Troubleshooting steps for abnormal display conditions like no signal on screen or abnormal video levels.

6-4 HOR./OSC/DEF/HV CIRCUIT FAULT

Diagnostic steps for horizontal, oscillator, deflection, and high voltage circuit faults.

6-9 POWER SUPPLY TROUBLE SHOOTING CHART

Flowchart for diagnosing power supply output problems and variable output issues.

7. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY

8. BOM LIST

9. BLOCK DIAGRAM

10. IC BLOCK DIAGRAM

11. PCB LAYOUT

12. SCHEMATIC DIAGRAM