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EN5200-ei




SERVICE MANUAL

EN5200-ei Monitor
(With NEC(30-10) PANEL)




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 OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND
DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.


MANUFACTURE DATA Oct-30-2003
EN5200-ei




Table of Contents
Table of Contents ----------------------------------------------------------------------------- 02

Revision List ------------------------------------------------------------------------------------04

1. Monitor Specification ---------------------------------------------------------------------05
2. LCD Monitor Description ---------------------------------------------------------------05

3. Operation Instructions --------------------------------------------------------------------06

3.1 General Instructions ------------------------------------------------------------------06

3.2 Control Button -------------------------------------------------------------------------06

3.3 Adjusting The Picture ----------------------------------------------------------------06

4. Input/Output Specification ---------------------------------------------------------------08

4.1 Input Signal Connector --------------------------------------------------------------08

4.2 Factory Preset Display Modes -----------------------------------------------------08

4.3 Power Supply Requirements -------------------------------------------------------09

4.3.1 Input Requirements ------------------------------------------------------------09

4.3.2 Output Requirements --------------------------------------------------------10

4.4 Panel Specification (NEC) ----------------------------------------------------10

4.4.1 Panel Feature --------------------------------------------------------------------10
4.4.2 Display Characteristics ---------------------------------------------------------10

4.4.3 Optical Characteristics --------------------------------------------------------11

4.4.4 Parameter guide line for CCFL Inverter ------------------------------------11

5. Block Diagram -----------------------------------------------------------------------------12

5.1 Monitor Exploded View -------------------------------------------------------------12

5.2 Software Flow Chart ------------------------------------------------------------------13

5.3 Electrical Block Diagram -------------------------------------------------------------14
EN5200-ei



5.3.1 Scalar Board ----------------------------------------------------------------------14

5.3.2 Inverter/Power Board -----------------------------------------------------------15

6. Schematic -----------------------------------------------------------------------------------16

7. PCB Layout ---------------------------------------------------------------------------------21

7.1 Main Board -----------------------------------------------------------------------------21
7.2 Inverter/Power Board ----------------------------------------------------------------22
8. Maintainability ------------------------------------------------------------------------------23

8.1 Equipments and Tools Requirements --------------------------------------------23

8.2 Trouble Shooting ----------------------------------------------------------------------24

9. White-Balance, Luminance Adjustment ----------------------------------------------27

10. EDID Content ------------------------------------------------------------------------------28

11. BOM List -----------------------------------------------------------------------------2940
EN5200-ei

Revision List
Revision Date Change Description
EN5200-ei
1. MONITOR SPECIFICATIONS
ITEM SPECIFICATION
Display Area (mm) 301.1(H) x 228.1(V) (15.0-inch diagonal)
Number of Pixels 1024(H) x 768(V)
Pixel Pitch (mm) 0.297(H) x 0.297(V)
Color Pixel Arrangement RGB vertical stripe
Display Mode Normally white TN
Number of Colors 262144(6bit/color)
Brightness (cod / m