Dell E176FPB service manual White balance, Luminance adjustment

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Dell E176FPc

10. White balance, Luminance adjustment

Approximately 2 Hours should be allowed for warm up before proceeding White-Balance adjustment.

Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 3 to 65000K colors, MEM. Channel 4 to 93000K colors, MEM. Channel 9 to 57000K (our 9300 parameter is x=283±28, y=297±28, Y = 175 ±20 cd/m2, 6500 parameter is x =313±28, y=329±28, Y = 180 ±20 cd/m2, and 5700 parameter is x = 328 ±28, y = 344 ±28, Y = 180 ±20 cd/m2)

How to setting MEM.channel you can reference to chroma 7120 user guide or simple use “ SC” key and “ NEXT” key to modify xyY value and use “ID” key to modify the TEXT description Following is the procedure to do white-balance adjust

Press MENU and AUTO-ADJUST button during press Power button will activate the factory mode, Gain adjustment:

Move cursor to “-Factory Setting-” and press MENU key to enter this sub-menu.

Move cursor to “ Factory” and press MENU key.

Move cursor to “ Auto Level” and press MENU key to adjust Gain and Offset automatically; a. Adjust sRGB (65000K) color-temperature

1.Switch the chroma-7120 to RGB-mode(with press “MODE” button)

2.Switch the MEM.channel to Channel 3 (with up or down arrow on chroma 7120)

3.The LCD-indicator on chroma 7120 will show x = 313 ±28, y = 329 ±28, Y = 180 ±20 cd/m2

4.Adjust the RED on OSD window until chroma 7120 indicator reached the value R=100

5.Adjust the GREEN on OSD, until chroma 7120 indicator reached G=100

6.Adjust the BLUE on OSD, until chroma 7120 indicator reached B=100

7.Repeat above procedure (item 5,6,7) until chroma 7120 RGB value meet the tolerance =100±2 b. Adjust Color1 (93000K) color-temperature

8.Switch the chroma-7120 to RGB-mode(with press “MODE” button)

9.Switch the MEM.channel to Channel 4 (with up or down arrow on chroma 7120)

10.The LCD-indicator on chroma 7120 will show x = 283 ±28, y = 297 ±28, Y = 175 ±20 cd/m2

11.Adjust the RED on OSD window until chroma 7120 indicator reached the value R=100

12.Adjust the GREEN on OSD, until chroma 7120 indicator reached G=100

13.Adjust the BLUE on OSD, until chroma 7120 indicator reached B=100

14.Repeat above procedure (item 5,6,7) until chroma 7120 RGB value meet the tolerance =100±2 c. Adjust Color2 (57000K) color-temperature

15.Switch the chroma-7120 to RGB-mode(with press “MODE” button)

16.Switch the MEM.channel to Channel 9 (with up or down arrow on chroma 7120)

17.The LCD-indicator on chroma 7120 will show x = 328 ±28, y = 344 ±28, Y = 180 ±20 cd/m2

18.Adjust the RED on OSD window until chroma 7120 indicator reached the value R=100

19.Adjust the GREEN on OSD, until chroma 7120 indicator reached G=100

20.Adjust the BLUE on OSD, until chroma 7120 indicator reached B=100

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Contents LCD Monitor Revision List Revision Release Date Revise history TPV modelAdd Definition Of Pixel Defects Add Max Brightness measurementTable of contents LayoutMonitor Specifications CLAA170EA07 CPTMonitor Block Diagram LCD Monitor DescriptionOperation instructions General InstructionsControl Buttons Function Auto adjustment Adjustment Method On Screen Menu/Display OSDBrightness / Contrast Adjusting the Picture Exit Phase Color Settings Normal Preset Blue Preset Red Preset Dell E176FPc Language Factory Reset Input/Output Specification Input Signal ConnectorFactory Preset Display Modes Power Supply Requirements Panel Specification Optical Characteristics For LM170E01- TLB3/TLB4 panel Optical Characteristics For CLAA170EA07 panel Block Diagram Monitor Exploded ViewSoftware Flow Chart Dell E176FPc Electrical Block Diagram Flash MemoryLCD Interface Scalar GM2621Inverter/Power Board Disassembly Flow Chart RemarkRemove stand Remove bezelRemove rear cover Remove the shield Lvds Cable Magnetism ringEnd Schematic Diagram Main BoardGm2621 Keypad Panel Interface Power Power Board KBP206GIs power GND Is signal GND Page PCB Layout Dell E176FPc Inverter/Power Board Dell E176FPc Key Board Maintainability Equipments and Tools RequirementTrouble shooting No displayReplace U401 GM2621 Panel Power Circuit Inverter Control Relative CircuitU401-data Output No Power No Backlight Key Board White balance, Luminance adjustment Edid Content Turn the POWER-button off to on to quit from factory modeMax Brightness measurement Connect ISP Writer preparation action To Use ISP Writer take E153FP for example Dell E176FPc Dell E176FPc Dell E176FPc Executing ISP Check List Steps for writing DDC： Dell E176FPc BOM List Description Quantity Unit RemarkLocation Description Quantity Unit Carton PCS SUB 15PIN PCS BAV99 PCS RST SM 0603 Jump MAX 0R PCS M24C02-WMN6TP PCS PCS CN1 B2P3S-VH PCS RST SM 1206 Jump MAX 0R PCS RLZ11B Llds PCS Heat Sink PCS Definition Of Pixel Defects CLAA170EADell E176FPc 14.2 LM170E01-TLB3 / LM170E01-TLB4 Line Defect

E176FPB specifications

The Dell E176FPB is a compact yet feature-rich monitor that caters to a variety of users, from home office setups to educational environments. Designed with practicality in mind, this 17-inch flat-panel LCD display delivers a blend of performance, reliability, and energy efficiency.

One of the primary features of the E176FPB is its high-resolution display, offering a native resolution of 1280 x 1024 pixels. This clarity allows for sharp images and crisp text, making it suitable for various tasks like document editing, web browsing, or even light multimedia use. The monitor utilizes a 5:4 aspect ratio, which, while slightly outdated compared to modern widescreen displays, remains highly functional for traditional office applications.

The E176FPB is equipped with an anti-glare coating that reduces reflections and distractions, providing comfortable viewing even in brightly lit environments. The 250 cd/m² brightness combined with a contrast ratio of 600:1 ensures that images appear vibrant and details are well-defined. With a typical response time of 5ms, the monitor handles motion with relatively low blur, making it sufficient for casual video playback.

In terms of connectivity, the Dell E176FPB offers a D-Sub (VGA) port, ensuring compatibility with a wide range of computers and devices. It also includes a built-in power supply, which minimizes desk clutter and simplifies installation.

The monitor incorporates Dell's commitment to sustainability and energy efficiency. It features Energy Star certification, which signifies compliance with energy-saving standards, ultimately reducing the carbon footprint. Additionally, the E176FPB adheres to the latest environmental regulations, making it a conscientious choice for eco-minded consumers.

With a tilt-adjustable stand, users can customize their viewing angles for improved ergonomic comfort. Using the monitor for extended periods becomes easier and less straining on the neck and eyes. The build quality of the E176FPB is robust, ensuring longevity and reliable performance.

Overall, the Dell E176FPB stands out for its user-friendly attributes, solid performance, and energy-efficient design, making it a practical option for those seeking a dependable monitor for various computing needs. Whether for professional or personal use, it balances functionality with sustainability, embodying Dell's reputation for delivering quality technology.
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