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Dell E176FPc
Service Manual
17” LCD MONITOR
DELL E176FPc
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.
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Dell E176FPc Revision List Revision Release Date Revise history TPV model T780KCDHK8DLNP A00 Aug.-26-2005 Initial Release T780KGDHK8DZNP T780KGDHK8DENP A01 Mar.-31-2006 Add” Definition Of Pixel Defects” Add” Max Brightness measurement” A02 April-25-2006 on Page43 A03 Mar.-30-2007 Add Mechanical Instruction in item 6
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Dell E176FPc Table of contents Table of contents ---------------------------------------------------------------------------------------------------------------- 02 1. Monitor Specifications ------------------------------------------------------------------------------------------------------04 2. LCD Monitor Description ------------------------------------------------------------------------------------------
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Dell E176FPc 1. Monitor Specifications Screen type Active matrix - TFT LCD LM170E01-TLB3/TLB4 (LPL) Panel Type CLAA170EA07 (CPT) Size 430mm(17.0") LCD Panel Pixel pitch 0.264mm(H) x 0.264mm(V) Viewable angle LM170E01-TLB3/TLB4: 70 °/70 ° (H) 75 °/65 ° (V) (typ.) (CR>=10) CLAA170EA07: 70 °/70 ° (H) 67 °/63 ° (V) (typ.) LM170E01-TLB3/TLB4: 8ms(type) Response time CLAA170EA07: 12ms(type) Video R,
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Dell E176FPc 2. LCD Monitor Description The LCD MONITOR will contain a main board, PWPC board, keypad board, which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage. Monitor Block Diagram Flat Panel and CCFL Drive. CCFL backlight RS232 Connect
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3. Operation instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. The power cord should be connected. - Connect the video cable from the monitor to the video card. - Press the power button to turn on the monitor, the power indicator will light up. - 3.2 Control Buttons 1 Menu selection b
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Dell E176FPc 3.3 On Screen Menu/Display (OSD) Direct-Access Functions Function Adjustment Method Auto adjustment Use this button to activate automatic setup and adjustment. The following dialog will appear on screen as the monitor self-adjusts to the current input: Auto Adjust In Progress Auto Adjustment button allows the monitor to self-adjust to the incoming video signal. After using 'Auto Adjustment'
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Dell E176FPc 3.4 Adjusting the Picture 1. With the menu off, push the 'MENU' button to open the OSD system and display the main features menu. Function icons Main Menu Menu icon A B C D Sub-Menu name E Resolution 2. Push the - and + buttons to move between the function icons. As you move from one icon to another, the function name is highlighted to reflect the function or group of functions (sub-menus)
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Dell E176FPc Icon Menu Name and Description Sub-menus EXIT This is used to exit out of the 'Main menu'. Positioning: 'Positioning' moves the viewing area around on the monitor screen. Horizontal When making changes to either the 'Horizontal' or 'Vertical' settings, no changes will Vertical occur to the size of the viewing area; the image will simply be shifted in response to your selection/change. Minim
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Dell E176FPc Phase If satisfactory results are not obtained using the 'Phase' adjustment, use the 'Pixel Clock' adjustment and then use 'Phase' again. NOTE: This function may change the width of the display image. Use the 'Horizontal' function of the 'Position' menu to center the display image on the screen. Color Settings: 'Color Settings' adjusts the color temperature and saturation. Normal Pr
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Dell E176FPc User Preset 'User Preset': Use the plus and minus buttons to increase or decrease each of the three colors (R, G, B) independently, in single digit increments, from '0' to '100'. NOTE: 'Color temperature' is a measure of the 'warmth' of the image colors (red/green/blue). The two available presets ('Blue' and 'Red') favor blue and red accordingly. Select each one to see how each range suits you
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Dell E176FPc Language: Language sets the OSD to display in one of five languages (English, Español, Français, Deutsch, Japanese). NOTE: The language chosen affects only the language of the OSD. It has no effect on any software running on the computer. Factory Reset: 'Factory Reset' returns the settings to the factory preset values for the selected group of functions. 'Exit' is used to exit out of 'Fact
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Dell E176FPc 4. Input/Output Specification 4.1 Input Signal Connector PIN NO. DESCRIPTION PI N NO. DESCRIPTION 1. Red Video 9. +5V 2. Green Video 10. Logic Ground 3. Blue Video 11. RXD 4. TXD 12. DDC-Serial Data 5. Detector Pin 13. H-Sync 6. R-Ground 14. V-Sync 7. G-Ground 15. DDC-Serial Clock 8. B-Ground VGA Connector layout 15 6 10 11 15 4.2 Factory Preset Display Modes VESA MODES Horiz
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Dell E176FPc 4.3 Power Supply Requirements A/C Line voltage range 100 V ~ 240 V± 10 % A/C Line frequency range 50 ± 3Hz, 60 ± 3Hz Input Voltage transients 280 volts AC for 10 sec @40℃ Current 0.6A max. at 100V, 0.35A max. at 240 V < 60A peak at 240 VAC and cold starting Peak surge current < 30A peak at 120VAC and cold starting Leakage current < 3.5mA No advance effects (no loss of information or defect)
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Dell E176FPc 4.4 Panel Specification Display Characteristics (For LM170E01-TLB3 panel) Display Characteristics (For LM170E01-TLB4 panel) Display Characteristics (For CLAA170EA07 panel) 15
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Dell E176FPc 4.4.2 Optical Characteristics (For LM170E01- TLB3/TLB4 panel) 16
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Dell E176FPc Optical Characteristics (For CLAA170EA07 panel) 17
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5. Block Diagram 5.1 Monitor Exploded View 18
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5.2 Software Flow Chart 1 Y 2 3 N 4 N 5 Y 6 N 7 8 Y 9 N 10 11 Y N N 12 13 Y Y N 14 15 16 Y 17 N 19 18 Y 19
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Dell E176FPc 1) MCU Initializes. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEprom. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode?
