BenQ GL2040 Service Manual Download Page 54

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Level 2 Circuit Board and Standard Parts Replacement
Product Exploded View

Note:

The parts information listed below are for reference only, and are subject to change without notice. Please

go to http://cs.tpv.com.cn/hello1.asp for the latest information.

Item Description

Qty

Unit

1 BEZEL

PCS

2 KEY

BUTTON

PCS

3 POWER

LENS

PCS

4 KEY

BOARD

PCS

5 PANEL

PCS

SPEAKER (JUST FOR GL2040M)

PCS

SPEAKER (JUST FOR GL2040M)

PCS

8 POWER

BOARD

PCS

9 MAIN

BOARD

PCS

10 MAINFRAME

PCS

11 AC

SHIELD

PCS

12 HINGE

BKT

PCS

Summary of Contents for GL2040

Page 1: ...ack Chassis Colors Product Service Manual Level 1 2 Version 1st Date 05 12 2011 Notice For RO to input specific Legal Requirement in specific NS regarding to responsibility and liability statements Pl...

Page 2: ...service information 8 5 Product Overview 9 5 1 Monitor Specifications 9 5 2 Panel Inspection Specification 14 Level 1 Cosmetic Appearance Alignment Service 17 Visual Inspection Cleaning 17 F W Upgrad...

Page 3: ...Digital Micro mirror Device DRAM Dynamic RAM DVI Digital Visual Interface DVI D Digital Visual Interface digital DVI I Digital Visual Interface Integrated E EEPROM Electrically Erasable and Programma...

Page 4: ...olor signals for TV By mixing levels of R G and B all colors Y C are ROM Read Only Memory S SDA Data signal on I2 C bus SDRAM Synchronous DRAM SW Sub Woofer Software T THD Total Harmonic Distortion V...

Page 5: ...any time When repairing the circuit board please follow the requirement of RoHS and refer to the circuit diagram and repairing process that attached in the Service Manual The method of firmware updat...

Page 6: ...ng any parts please confirming the RoHS requirement before replace them 2 2 Safety Warning and Notice Installation 1 Do not use your monitor under any of the following environmental conditions Extreme...

Page 7: ...ctric shock do not dissemble or repair the monitor 7 If a bad smell or an abnormal sound appears to come from the monitor contact your nearest BenQ service center for assistance immediately Cleaning 1...

Page 8: ...ot in use This operating manual contains important information you require to start up and run your LCD monitor This specification defines the requirements for the 20 MICROPROCESSOR based Multi mode s...

Page 9: ...lors 16 7M 16 7M Response Time 5ms Tr Tf 5ms Tr Tf GtG response Time N A N A MPRT N A N A NTSC ratio 68 68 Video BenQ SenseyeTM Technology Senseye 3 Senseye 3 BenQ SenseyeTM Preset Modes 6 Modes by ho...

Page 10: ...ading foam cushion 40 1700 1700 Container Loading foam cushion 20 850 850 Multi language Support OSD 17 Languages English Francais Deutsch Italiano Espanol Polish Czech Hungarian Serbo croatian Romani...

Page 11: ...pplied by BenQ BenQ Sample Reguest Asia Pa cific V Australia New Zealand V C Tick EMC V Must include radiation test result for frequency above 1GHz V Taiwan V BSMI Safety EMC V Including BSMI certific...

Page 12: ...s required first Europea n Union V Member countries of EU V CE Safety EMC V V EuP GP Vender provide relevant information and report V WEEE GP Vender provide relevant information and report V REACH GP...

Page 13: ...onal V Internatio nal V RoHS GP Vender provide relevant information and report Internati onal V All V Energy Star GP V Including Test Report by EPA recognitio n of Accreditati on Laborator y and Cert...

Page 14: ...Don t touch the surface of polarizer to avoid scratching polarizer and then move to the defect position to judge mura by view angle 90 degree The viewing angle shall be 90 degree to the right top of...

Page 15: ...05 W 0 1 mm 0 5 L 10 0 mm N 4 Dent Air Bubble Avg 0 15 D 0 5 mm N 4 5 External Appearance Inspection Criteria Item Contents Screw Parts mounting incomplete assembly deformation oxidized crooked or rus...

Page 16: ...display Signal input display is dead major Irregular display Pattern signal input a correct display is not obtained major Dots defect Exceed specified standards minor Scratch and Dent on polarizer Exc...

Page 17: ...e back or top of the cabinet are for ventilation They must not be blocked or covered Your monitor should never be placed near or over a radiator or heat source or in a built in installation unless pro...

Page 18: ...SB cable to PC USB port will pop up a Hardware Wizard to help you install the USB driver if you use this ISP board first time You can install it successfully as the below instruction step by step Rema...

Page 19: ...19 4 Install the ISP tool 4 1 Copy the three files in one folder Click Finish to complete the USB serial port driver installation...

Page 20: ...20 4 2 Double click to run the ISP tool 4 3 Set the parameters in Device window Tick WP Pin pull to high during ISP...

Page 21: ...21 4 4 Connect to the monitor Click Connect If the tool communicate with monitor successfully the tool will detect the flash type of monitor 4 5 Load the F W you want to upgrade...

Page 22: ...monitor has DVI or HDMI port you need to set restore address for HDCP key to avoid re program HDCP key Benq GL2040M has DVI please fill 0x03F000 and 4KB for it 2 If monitor hasn t DVI or HDMI port it...

Page 23: ...n Auto window If you have set Restore address please tick Restore Data 4 8 Processing of upgrade After clicking Run the tool start to program It is forbided to power off monitor or switch off connecti...

Page 24: ...er upgrade Take below figure as an instance 1 Connect signal source and power cable to monitor and DC off it 2 Press menu key and power on key synchronously as below figure When the screen lights rele...

Page 25: ...steps The reset will turn off burn in mode 6 Troubleshooting 6 1 Can t Entry ISP Mode The methods 1 Check the cables and ISP JIG are connected fluently 2 Click the Dis Con and click Connect again 3 AC...

Page 26: ...26 Upgrade by 715GT034 B 1 Materials list for uprade LPT cable male to male VGA cable 12V DC adapt ISP jip 715GT034 B PC monitor LPT port driver ISP tool V4 5 0 8 0 New F W 2 Connection...

Page 27: ...click the icon to install the driver 3 2 Restart your PC after the LPT driver installation 4 Install the ISP tool and run it 4 1 Copy these three files to one folder as fig3 if you use the latest vers...

Page 28: ...n JIG Select LPT1 and the Speed less than 50kHz After all click Auto Detect if show OK which presents the communicate OK you can do next Fig5 4 4 Click Device and tick WP Pin pull to high during ISP a...

Page 29: ...29 Fig7 4 5 Click Read to load the FW you need to upgrade as figure8 Fig8...

Page 30: ...ore address for saving HDCP key as below 4 7 Click Auto and set the parameters and so on later click Run to start programming as figure9 Because monitor has not DVI or HDMI port so it isn t necessary...

Page 31: ...he process after click run lasts about 2 munites During the process don t cut off the connection and click Stop Fig10 4 9 When appears the below message and green PASS as fig11 the program process is...

Page 32: ...menu key and power on key synchronously as below figure When the screen lights release the two buttons and then press menu again to open below factory menu 3 If the version is right please do factory...

Page 33: ...lick Connect again to connect with monitor Fig16 2 Check the cable and ISP jip are connected fluently 3 Some time the communication fail with monitor will result monitor power key LED dark so please A...

Page 34: ...tems For models with DVI inputs this key is also the hot key for Input 6 Power Turns the power on or off OSD On Screen Display The hot keys will display a graduated scale for adjusting the value of th...

Page 35: ...setting will take effect immediately The setting will take effect immediately The setting will take effect immediately Main Menu Mode You can use the OSD On Screen Display menu to adjust all the setti...

Page 36: ...matically for you The AUTO key is a hot key for this function When you connect a digital video output using a digital DVI cable to your monitor the AUTO key and the Auto Adjustment function will be di...

Page 37: ...0 Sharpness Adjusts the clarity and visibility of the edges of the subjects in the image Press the key to improve the crispness of the display and press the key to have softness effect on the display...

Page 38: ...or settings to the factory defaults Press or keys to adjust the settings YES NO Press MENU to leave the Color menu Picture Advanced Menu Available menu options may vary depending on the input sources...

Page 39: ...to be displayed without geometric distortion Overscan Slightly enlarges the input image Use this feature to hide annoying edge noise if present around your image Full Scales the input image to fill th...

Page 40: ...d then press the ENTER key to enter the menu 3 Press the or keys to move the highlight to a menu item and then press the ENTER key to select that item 4 Press the or keys to make adjustments or select...

Page 41: ...s or keys to change the settings To unlock the OSD controls when the OSD is preset to be locked press and hold the MENU key for 15 seconds to enter the OSD Lock option and make changes Alternatively y...

Page 42: ...et All Resets all mode color and geometry settings to the factory default values Press or keys to change the settings YES NO DDC CI short for Display Data Channel Command Interface which was developed...

Page 43: ...power on or off OSD On Screen Display The hot keys will display a graduated scale for adjusting the value of that setting and will only operate while the OSD menu is not currently displaying Hot key...

Page 44: ...ween different PC video signal inputs that may be connected to your monitor The setting will take effect immediately Main Menu Mode You can use the OSD On Screen Display menu to adjust all the setting...

Page 45: ...key to select this option and make adjustment H Position Adjusts the horizontal position of the screen image Press or keys to adjust the value 0 to 100 V Position Adjusts the vertical position of the...

Page 46: ...value tone becomes lighter 1 8 2 6 Color Press ENTER to enter the Color menu This Color menu is available only in the Standard mode Normal Allows video and still photographs to be viewed with natural...

Page 47: ...ts or selections 5 To return to the previous menu press the MENU button Item Function Operation Range Picture Mode Selects a picture mode that best suits the type of images shown on the screen Standar...

Page 48: ...pending on the purchased model 16 9 or 16 10 images will fill the screen horizontally while 4 3 or 5 4 images will fill the screen vertically To find out the monitor aspect ratio of the purchased mode...

Page 49: ...ion Operation Range Volume Adjusts the audio volume Press the key to increase the volume and press the key to decrease the volume 0 100 Mute Mutes the audio input Press the or keys to change the setti...

Page 50: ...ch Traditional Chinese Hungarian Simplified Chinese Serbo Croatian Romanian Dutch Russian Swedish Portuguese H Position Adjusts the horizontal position of the OSD menu Press or keys to change the sett...

Page 51: ...saving mode Press the ENTER key to select this option Press the or keys to change the settings OFF 10min 20min 30min Information Displays the current monitor property settings Input Current Resolution...

Page 52: ...15 734 60 576i 13 5 15 625 50 640x480p 25 175 31 468 59 94 720x480p 27 00 31 468 59 94 720x576p 27 00 31 25 50 720p 50Hz 74 25 37 50 50 720p 60Hz 74 25 45 00 60 1080i 50Hz 74 25 28 125 50 1080i 50Hz...

Page 53: ...tory Area And needs to have a warning message to double confirm the reset function The timer should record up to 99999 hours and will be reset once launch 7 Add one selected item for HPD DVI port DVI...

Page 54: ...ange without notice Please go to http cs tpv com cn hello1 asp for the latest information Item Description Qty Unit 1 BEZEL 1 PCS 2 KEY BUTTON 1 PCS 3 POWER LENS 1 PCS 4 KEY BOARD 1 PCS 5 PANEL 1 PCS...

Page 55: ...escription Qty Unit 20 0Q1G 930 8120 HINGE BKT REAR COVER 1 PCS 21 0M1G1740 10 47 CR3 HIGNE REAR COVER 4 PCS 22 0M1G1740 8 47 CR3 HINGE STAND 3 PCS 23 0D1G1030 6120 MAIN POWER BOARD MAINFRAME 6 PCS 24...

Page 56: ...56 Six Angles View...

Page 57: ...2040M Disassembly 1 Remove the base Place the monitor face down on a smooth surface Be careful to avoid scratch and injury during the process of uninstall And then remove the base 2 Remove the stand c...

Page 58: ...careful the BEZEL CLIP is easy to break Note The positions of the clips on the rear cover are as follow There are some small gaps between CLIPS It s suggested to separate bezel and rear cover from th...

Page 59: ...59 4 Remove the black rubberized fabric and aluminum foil Note When you assembled the LCD you must tidy the wire as follow picture 5 Remove the main frame from the panel...

Page 60: ...60 6 Remove the AC cover from the mainframe 7 Remove the boards from the main frame 8 The panel...

Page 61: ...61 Assembly 1 Assemble the wire to the main board 2 Assemble the main board and power board on the main frame...

Page 62: ...62 3 Assemble the panel on the bezel 4 Assemble the main frame and the key board a Insert the wire...

Page 63: ...63 b Stick the black rubberized fabric and the aluminum foil 5 Assemble the AC COVER 6 Assemble the base...

Page 64: ...64 7 Assemble the stand 8 Assemble the stand cover 9 Assemble the base...

Page 65: ...H V sync DSUB_SCL DSUB_SDA Panel Interface CN301 Key Control Interface CN401 Crystal 14 31818MHz X401 Scalar IC TSUMU58PWHL LF U401 Flash ROM MX25L2026MI U402 DVI D Connector CN102 EEPROM AT24C02BN U1...

Page 66: ...filter Start Resistor R908 PWM Control IC901 Transformer AC input 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Power Switch Q901 Photo coupler IC902 16V D801 LED CN804 PWM Control...

Page 67: ...5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 25 DAT2 DAT2 2 4shield DAT4 DAT4 DDC SCL DDC SDA VSYNC DAT1 DAT1 1 3shield DAT3 DAT3 5V SYNC GND HPD DAT0 DAT0 0 5shield DAT5 DAT5 clk shield...

Page 68: ...Top Victory Electronics Co Ltd Key Component C303 1uF 16V LVA1P PA7 RXO2 R307 NC LVACKP PB2 PB7 LVB1M LVB3M LVA1P RXE0 RXE2 PANEL_VCC LVBCKP 3 RXEC LVBCKM LVA1P PA3 LVA3P R302 220 OHM 1 4W LVA1M LVA0P...

Page 69: ...3 3TRG1 3 2 1 4 VI VO GND 4 CN701 CONN 1 2 3 4 5 6 7 8 9 VCC3 3 VOLUME 5 U703 NC AP2114D 1 8TRG1 3 2 1 VIN VOUT GND CMVCC1 C705 100N 16V R712 NC 4 7K 1 16W R711 NC 0R05 1 10W R701 NC CMVCC1 2 3 5 R72...

Page 70: ...1 16W DDC2_SDA 2 LED_GRN BLUE R422 100OHM1 16W LED_O C404 100N 16V R426 NC R457 NC 0R05 1 10W R416 100OHM1 16W PA1 R430 100OHM1 16W R406 4 7K1 16W R415 100OHM1 16W C420 22pF 50V PB7 MSDA CN401 CONN 1...

Page 71: ...1 4W C907 100uF 450V MUTE C908 0 33UF CN903 NC Wire Harness 1 2 R903 100 OHM 1 4W R923 100 OHM 1 4W R901 820K 1 4W C9031000pF 16V 5V1 R912 100 OHM 1 4W F902 FUSE CN801 NC 1 2 3 4 5 C912 100N 50V R921...

Page 72: ...GND OUT L AGND AGND C607 1nF 50V AGND C617 220uF 25V R619 1K 1 10W AGND 5V_AUDIO AGND OUT R C611 NC 100uF 25V C608 1uF 16V AGND Q605 NC MMBT3904 R631 NC R625 NC 68K 1 10W C604 0 1UF50V C601 1uF 16V R6...

Page 73: ...onics Co Ltd Key Component R809 8K2 1 10W 1 Q803 MMBT3906 C807 4 7UF 100V R811 3K9 1 10W R830 1R 1 8W 5 R834 0R05 1 10W DIM C808 NC R823 0R05OHM1 8W 14 5V R828 NC OVP R838 NC R822 10K 1 10W R805 300KO...

Page 74: ...DC2 C004 NC 0 001uF C001 NC 0 001uF A 1 1 Tuesday January 18 2011 715G4131K0B0000040 01 KEY BOARD G4131 K0B X 1 110118 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics...

Page 75: ...olor Clean the LCD screen Cycle power on off These pixels are permanently on or off and that is a natural defect occurs in LCD technology The image has a faulty coloration It has a yellow blue or pink...

Page 76: ...storted Images from different input sources may appear distorted or stretched on the monitor running at its native resolution To have the optimal display performance of each type of input sources you...

Page 77: ...Check Power On Off is On Re plug the power cable Replace main board and check connections Check the LED indicates is OK Check the AC power Replace the converter board OK NG OK NG NG Turn on the Power...

Page 78: ...n Press the power button is OK Check the LVDS FFC cable or panel The end NG OK OK NG Replace the main board Replace the converter board Replace the LVDS FFC cable or panel NG The end Replace the key b...

Page 79: ...mode Set to the optimal frequency select the recommended frequency Pull out signal cable and check Self Test Feature Check is ok Check the signal cable and the PC Readjust the phase and pixel clock i...

Page 80: ...shift Replace the signal cable Pull out the signal cable and check the screen color display is normal The end Replace the signal cable or PC Reset the factory mode In the user mode set the color setti...

Page 81: ...81 PCB LAYOUT Main Board 715G3849M02000004L...

Page 82: ...82...

Page 83: ...83...

Page 84: ...84...

Page 85: ...85 Adapter Board 715G4124P02000003S...

Page 86: ...86 Converter Board 715G3977P03000004L...

Page 87: ...87...

Page 88: ...88 Key Board 715G4131K01000004S...

Page 89: ...ity Torque 0Q1G 930 8120 Q3 8 HINGE HINGE BKT REAR COVER 1 0M1G1740 10 47 CR3 M4 10 HIGNE REAR COVER 4 12 2kgf cm 0M1G1740 8 47 CR3 M4 8 HINGE STAND 3 0D1G1030 6120 D3 6 MAIN POWER BOARD MAINFRAME 6 6...

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