Page 2 - Revision List; Initial
Dell E176FPc 2 Revision List Revision Release Date Revise history TPV model T780KCDHK8DLNP T780KGDHK8DZNP A00 Aug.-26-2005 Initial Release T780KGDHK8DENP A01 Mar.-31-2006 Add” Definition Of Pixel Defects ” A02 April-25-2006 Add” Max Brightness measurement ” on Page43 A03 Mar.-30-2007 Add Mechanical ...
Page 3 - Equipments and Tools Requirement
Dell E176FPc 3 Table of contents Table of contents ---------------------------------------------------------------------------------------------------------------- 02 1. Monitor Specifications ------------------------------------------------------------------------------------------------------04 2....
Page 4 - Monitor Specifications
Dell E176FPc 4 1. Monitor Specifications Screen type Active matrix - TFT LCD Panel Type LM170E01-TLB3/TLB4 (LPL) CLAA170EA07 (CPT) Size 430mm(17.0") Pixel pitch 0.264mm(H) x 0.264mm(V) Viewable angle (CR>=10) LM170E01-TLB3/TLB4: 70 ° /70 ° (H) 75 ° /65 ° (V) (typ.) CLAA170EA07: 70 ° /70 ° (H)...
Page 5 - LCD Monitor Description; Monitor Block Diagram
Dell E176FPc 5 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 e...
Page 6 - Operation instructions; General Instructions; MENU; Auto Adjust In Progress; Power Button & Indicator
6 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. ...
Page 7 - Direct-Access Functions; Function; Brightness / Contrast
Dell E176FPc 7 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 Adj...
Page 8 - Adjusting the Picture
Dell E176FPc 8 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. A Function icons B Main Menu C Menu icon D Sub-Menu name E Resolution 2. Push the - and + buttons to move between the function icons. As you move from one ...
Page 13 - Input Signal Connector; DESCRIPTION; Factory Preset Display Modes; VESA MODES
Dell E176FPc 13 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....
Page 14 - Power Supply Requirements
Dell E176FPc 14 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 Peak surge current < 60A peak at 240 VAC and cold starting <...
Page 15 - Panel Specification
Dell E176FPc 15 4.4 Panel Specification Display Characteristics (For LM170E01-TLB3 panel) Display Characteristics (For LM170E01-TLB4 panel) Display Characteristics (For CLAA170EA07 panel)
Page 17 - Optical Characteristics (For CLAA170EA07 panel)
Dell E176FPc 17 Optical Characteristics (For CLAA170EA07 panel)
Page 18 - Monitor Exploded View
Page 19 - Software Flow Chart
19 5.2 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18
Page 21 - Electrical Block Diagram; OSD Control Interface; Flash Memory; EEPROM; LCD Interface
Dell E176FPc 21 5.3 Electrical Block Diagram 5.3.1 Main Board OSD Control Interface (CN403) Scalar GM2621 (Include MCU, ADC, OSD) (U401) Flash Memory SST25VF020-20- 4C-SAE (U402) EEPROM M24C16-MN6T (U403) D-Sub Connector (CN405) EEPROM (U404) M24C02WMN6 R G B RXD TXD DB15_SDA, DB15_SCL EPR_SDA EPR_S...
Page 23 - Disassembly Flow Chart; Fig Remark; Remove bezel; torque A
Dell E176FPc 23 6. Disassembly Flow Chart Tools: 2 Power screwdrivers ( φ =5mm,L=60mm); 1 small cross screwdriver; turnbuckle driver; Setting: Power screwdriver torque A=11 kgF. Cm; torque B=6 kgF. Cm Note: Firstly, put the monitor on a soft, flat and clean surface, wear gloves. Fig Remark Remove st...
Page 24 - Remove rear cover; Torque B
Dell E176FPc 24 3. Take off the bezel Remove rear cover : Turn over the monitor as the Fig, hold the rear cover, and then slightly remove it. Remove the two screws by Torque B Install: Fix the keyboard cable by black tape as the figure showed. Black tape
Page 25 - Remove the shield; Torque
Dell E176FPc 25 Remove the shield : 1. Remove the screw by Torque B or by manual and remove the shield ,then remove the back light connector Remove the connector Remove the two screws by manual or torque = 3kgF.Cm and remove the main frame Remove the main frame and at the same time disconnect the LV...
Page 26 - Magnetism ring
Dell E176FPc 26 Install: Fix the LVDS connector by black tape and EVA washers. Remove the nine screws by Torque B and remove the power board and main board. Note: Magnetism ring should be laid underneath the power board Install: Fix the LVDS cable by black tape as the figure. Magnetism ring Black ta...
Page 27 - The end
Dell E176FPc 27 Screw AC ground line as the figure and should be laid at the left of screw pillar. Note: The green line can’t be pressed under the power board. Note: The pins can’t gore the blue and purple lines. The end ground Screw pillar
Page 28 - Schematic Diagram; Input Connectors
Dell E176FPc 28 7. Schematic Diagram 7.1 Main Board DDC_SCL_VGA (3) BLUE- (3) R4482.2K 1/16W GND R434 75 1/16W GND DDC_SDA_VGA (3) R435 75 1/16W C436 0.047uF +5V DDC_SDA_A C443NC R441 100 1/16W R439 75 1/16W (10 mil, ┰キ︽絬 ) CN405 DB15 162738495 11 12 13 14 15 10 17 16 R444 10K 1/16W (8 m...
Page 30 - KEYPAD
Dell E176FPc 30 C456 0.1uF/16V LED_G (3) R464 220 1/16W R467 10K 1/16W +3.3V_VDD KEY_ONOFF KEY_AUTO R466 10K 1/16W R463 220 1/16W R457 100 1/16W KEY_MENU Q401PMBS3904 D KEYPAD A 4 6 Wednesday, June 29, 2005 Title Size Document Number Rev Date: Sheet of +3.3V_VDD POWER_ON (3) KEY_AUTO C454 ...
Page 31 - PANEL INTERFACE
Dell E176FPc 31 LVDS_E2 +VLCD LVDS_E[0..9] (3) RXEC+ LVDS_E8 GND LVDS_E1 RXO1- LVDS_E6 LVDS_E1 GND LVDS_O3 LVDS_E2 RXO2- RXE0+ RXE2- RXO1- RXO3+ RXE3- RXOC- LVDS_O8 RXO0+ LVDS_E0 CN102 CON30/NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 LVDS_E9 RXEC- RXO2+ LVDS_...
Page 32 - POWER
Dell E176FPc 32 GND GND U701 AIC1084-33PM 3 1 2 VIN AD J VOUT +1.8V_VDD R708 1K 1/16W C712 0. 1uF/ 16V +5V +5V C708 0. 1uF/ 16V GND ON_OFF C713 0. 1uF/ 16V +5V VCC12V CN701 CON402(PITCH 2.00) 1357911 2468 1012 GND + C702 100uF/ 16V U702 3 2 1 VI VO GND R722NC GND C704 0.1uF/16V BRIGHTNESS (3) +5V ...
Page 41 - Equipments and Tools Requirement; Voltage meter
Dell E176FPc 41 9. Maintainability 9.1 Equipments and Tools Requirement 1. Voltage meter 2. Oscilloscope 3. Pattern Generator 4. LCD Color Analyzer 5. Service Manual 6. User Manual
Page 42 - Trouble shooting; No display; Inverter board
Dell E176FPc 42 9.2 Trouble shooting 9.2.1 Main Board No display Note: 1. If replace “ Main-Board ”, Please re-do “DDC-content” programmed & “White-Balance”. 2. If replace “ Power Board ” only, Please re-do “ White-Balance”. Re-do White balance adjust OK Measured CN701 pin5/6 = 12 V? Measured CN...
Page 45 - No Power
Dell E176FPc 45 9.2.2 Inverter/Power Board No Power Check to CN701 Pin2=12V Check Interface board Check AC line volt 110V or 220V OK NG OK Check AC line Check the voltage of C904(+) Check F901, bridge rectified circuit Check start voltage for the pin8 of IC901 Check R903, R904, IC901 Check the auxil...
Page 46 - No Backlight
Dell E176FPc 46 No Backlight Check C201 (+) =12V NG OK Check F902 Check ON/OFF signal Check Interface board NG OK Check IC201 pin9=12V ? NG OK Change Q201 or Q202 Check the pin1 of IC201 have saw tooth wave NG OK Change IC201 Check D201 (-) have the output of square wave at short time. NG OK Check Q...
Page 49 - Turn the POWER-button off to on to quit from factory mode.; Max Brightness measurement:
Dell E176FPc 49 21. Repeat above procedure (item 5,6,7) until chroma 7120 RGB value meet the tolerance =100±2 22. Move cursor to “ Exit/Save” sub-menu and press MENU key to save adjust value and exit. Turn the POWER-button off to on to quit from factory mode. Max Brightness measurement: a. Switch to...
Page 50 - Connect ISP Writer preparation action
Dell E176FPc 50 12. ISP (In System Program) User Manual 12.1 Connect ISP Writer preparation action Connect RXD and TXD of PC to RXD (P3.0) and TXD (P3.1) of CPU through RS-232. a. There are two ways to entering Reboot Mode. The settings for Reboot Mode is as follow z Both P2.6 P2.7 are LOW and RESET...
Page 54 - d. Select the communication Setting: Port Name
Dell E176FPc 54 d. Select the communication Setting: Port Name e. Click the “ConNect” button.
Page 57 - ) Steps for writing DDC
Dell E176FPc 57 7. Select Exit to the upper menu after completing the adjustment. Then press POWER OFF to exit and save it. 3) Steps for writing DDC ： 1. Employ PC, and connect the DDC-writing instrument and the instrument that is ready for writing into DDC to the power of 12V. Connect the signal ca...
Page 70 - Definition Of Pixel Defects
Dell E176FPc 70 M1G 140 8225 SCREW M3X8 2 PCS Q1G 130 8 47 SCREW 4 PCS 14. Definition Of Pixel Defects 14.1 CLAA170EA 07
Page 72 - Where, W: Width
Dell E176FPc 72 14.2 LM170E01-TLB3 / LM170E01-TLB4 14.2.1 Dot Defect 14.2.1.1 Bright Dot Dots (sub-pixels) which appeared brightly in the screen when the LCM displayed with dark pattern. - R, G or B 1 dot --------------------------------- 0 Max - Adjacent 2 dots -------------------------------- 0 Ma...
