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BenQ E2220HD, Service Manual

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BenQ E2220HD Service Manual Download Page 10

21.5

″

 LCD Color Monitor                                     BenQ E2220HD

 

10                                                                                                                    

5.2 Packing 

When packing the monitor into the carton, please follow the pictures as below. 

1.  Using the EPE bag to pack the monitor without base. 

Note:

 The four corners of the EPE bag can not be stretched. 

 

 

2.  Using the EPS to pack the monitor from left to right. 

           

 

 

Summary of Contents for E2220HD

Page 1: ...nual Level 1 2 Version 2nd Date 09 02 2009 Notice For RO to input specific Legal Requirement in specific NS regarding to responsibility and liability statements Please check BenQ s eSupport web site h...

Page 2: ...ion 7 5 Product Overview 8 5 1 Monitor Specifications 8 5 2 Packing 10 Level 1 Cosmetic Appearance Alignment Service 12 Visual Inspection Cleaning 12 Software Firmware Upgrade Process 12 ISP writing c...

Page 3: ...l Light Processing Texas Instruments DMD Digital Micromirror Device DRAM Dynamic RAM DVI Digital Video Interface DVI I Digital Video Interface Integrated E EEPROM Electrically Erasable and Programmabl...

Page 4: ...Blue The primary color 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 Har...

Page 5: ...rotection of panel 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...

Page 6: ...confirming the RoHS requirement before replace them 2 2 Safety Notice 1 Make sure your working environment is dry and clean and meets all government safety requirements 2 Ensure that other persons are...

Page 7: ...he computer is not in use y Compliance with Worldwide regulations This operating manual contains important information you require to start up and run your LCD monitor This specification defines the r...

Page 8: ...ng Angle H V CR 10 170 160 Display Colors 16 7M 6bit Hi FRC Response Time 5ms Tr Tf GtG response Time N A MPRT N A NTSC ratio 0 72 Panel maker AUO CMO Video BenQ SenseyeTM Technology Yes BenQ SenseyeT...

Page 9: ...ton Lock Yes Physical Dimension WxHxD TBD Box Dimension WxHxD TBD Net Weight Esti TBD Gross Weight Esti TBD Container Loading 40 1600 Container Loading 20 800 Multi language Support OSD 17 Languages E...

Page 10: ...ing When packing the monitor into the carton please follow the pictures as below 1 Using the EPE bag to pack the monitor without base Note The four corners of the EPE bag can not be stretched 2 Using...

Page 11: ...nQ E2220HD 11 3 Putting the base user manual and D SUB cable in the position as the picture shows above 4 Putting the monitor and accessories into the carton Base and user manual Power cord D Sub cabl...

Page 12: ...he PC with print port WIN98 NT 2000 XP OS at list 2 PC Must install Port95nt printing driver if ISP can not be written after install ISP writing software please install driver program by unzip and run...

Page 13: ...21 5 LCD Color Monitor BenQ E2220HD 13 ISP setting 1 Double click Mstar ISP Utility V4 3 4 2 Click Read 3 Click Read to read MCU file Click Read Read MCU file MCU file...

Page 14: ...heck the Checksum and the File Start and End Address 5 Click Config 6 Click connect if appears the dialog Can t Entry ISP Mode then click Dis Con and then click connect again Checksum is ok File start...

Page 15: ...21 5 LCD Color Monitor BenQ E2220HD 15 Program Writing 1 Click Auto 2 Click Run to start writing 3 Write over display PASS Must select the File Area Writing The end display Pass...

Page 16: ...follow a An i486 or above personal computer or compatible b Microsoft operation system Windows 95 98 2000 XP c PORT95NT exe TPVDDC exe program d EDID BOARD x1 Printer cable x1 VGA cable x1 DVI cable...

Page 17: ...21 5 LCD Color Monitor BenQ E2220HD 17 4 Take analog DDC write for example as follow a Double click appear as follow...

Page 18: ...21 5 LCD Color Monitor BenQ E2220HD 18 b Click Loadfile it will show the picture as follow c Click OK it will show the picture as follow...

Page 19: ...21 5 LCD Color Monitor BenQ E2220HD 19 d Key in the same 13 numbers in the Input SN and Verify SN e Click Program when the analog DDC Write complete it will show the picture as follow...

Page 20: ...21 5 LCD Color Monitor BenQ E2220HD 20 The interface of HDMI DDC writing is as follow Note The way of HDMI DDC Writing is the same as analog and DVI...

Page 21: ...32 30 48 44 0A 00 00 00 FF 70 00 31 32 33 34 35 36 37 38 39 30 31 0A 20 00 8D EDID Structure Version Revision 01 03 Vendor Product Identification ID Manufacturer Name BNQ ID Product Code 7912 ID Seria...

Page 22: ...Timing Identification 1024 x 576 60Hz 1280 x 720 60Hz 1280 x 960 60Hz 1280 x 1024 60Hz 1280 x 800 60Hz 1600 x 900 60Hz 1680 x 1050 60Hz 1920 x 1080 60Hz Detailed Timing Descriptions FC Monitor Name BE...

Page 23: ...0 00 00 FF 70 00 35 36 34 34 35 36 36 34 35 34 35 0A 20 00 71 EDID Structure Version Revision 01 03 Vendor Product Identification ID Manufacturer Name BNQ ID Product Code 7913 ID Serial Number 21573 W...

Page 24: ...ntification 1024 x 576 60Hz 1280 x 720 60Hz 1280 x 960 60Hz 1280 x 1024 60Hz 1280 x 800 60Hz 1600 x 900 60Hz 1680 x 1050 60Hz 1920 x 1080 60Hz Detailed Timing Descriptions FC Monitor Name BENQ E2220HD...

Page 25: ...10 1F 23 09 07 07 83 01 00 00 67 03 0C 00 10 00 38 20 2D 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00 E0 0E 11 30 00 00 18 01 1D 00 72 51 D0 1E 20 6E 28 55 00 E0 40 0E 11 00 00 1E 01 1D 00 BC 52 D0 1E 20 B8 2...

Page 26: ...68 75Hz VESA 1280 x1024 75Hz VESA Established Timings 3 80 1152 x 870 75Hz Apple Mac II Standard Timing Identification 1024 x 576 60Hz 1280 x 720 60Hz 1280 x 960 60Hz 1280 x 1024 60Hz 1280 x 800 60Hz...

Page 27: ...480 P 59 94 60Hz 16 9 720 x 576 P 50Hz 16 9 720 1440 x 480 I 59 94 60Hz 16 9 720 1440 x 576 I 50Hz 16 9 640 x 480 P 59 94 60Hz 4 3 1920 x 1080 I 50Hz 16 9 720 1440 x 576 I 50Hz 4 3 1920 x 1080 P 50Hz...

Page 28: ...Block 0 00 00 FF FF FF FF FF FF 00 09 D1 13 79 45 54 00 00 10 09 0B 01 03 80 30 1B 78 2E EE 95 A3 54 4C 99 26 20 0F 50 54 A5 6B 80 61 C0 81 C0 81 40 81 80 81 00 30 A9 C0 B3 00 D1 C0 02 3A 80 18 71 38...

Page 29: ...ge Size 27cm Display Gamma 2 2 Color Characteristics Rx 0 640 Gx 0 299 Bx 0 150 Wx 0 312 Ry 0 330 Gy 0 600 By 0 060 Wy 0 329 Established Timings Established Timings 1 A5 720 x 400 70Hz VGA IBM 640 x 4...

Page 30: ...Clock 210 MHz FC Monitor Name BENQ E2220HD FF Monitor SN 23121323112 Extension Flag 01 Block0 Checksum A2 Block 1 Extended Block Type CEA 861B Detailed Timing Blocks start at Byte 21 DTV Underscan NO...

Page 31: ...480 60Hz H Image Size 480 mm V Image Size 270 mm Pixel Clock 27 Hz Refreshed Mode Non Interlaced Detailed Timing Descriptions 1280x720 60Hz H Image Size 480 mm V Image Size 270 mm Pixel Clock 74 Hz Re...

Page 32: ...nput 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 that setting and will only operate while the OSD menu is not current...

Page 33: ...not available for analog only models Press the ENTER key to toggle between different PC video signal inputs that may be connected to your monitor The setting will take effect immediately Main menu mod...

Page 34: ...Adjustment Optimizes and adjusts the screen settings automatically for you The AUTO key is a hot key for this function When you connect a digital video output using a digital DVI or HDMI cable to you...

Page 35: ...ntrast Adjusts the degree of difference between darkness and lightness Press the key to increase the contrast and press the key to decrease the contrast 0 to 100 Sharpness Adjusts the clarity and visi...

Page 36: ...luence on the color tint of the image e g if you reduce the blue level the image will gradually take on a yellowish tint If you reduce Green the image will become a magenta tint Press the or keys and...

Page 37: ...Movie Game Photo sRGB ECO Senseye Demo Displays the preview of screen images under the selected mode from Picture Mode The screen will be divided into two windows the left window demonstrates images...

Page 38: ...format is RGB D sub Component from a video device the default color format is YUV You might need to manually set the color format if colors shown on the monitor screen do not display properly DVI col...

Page 39: ...keys to make adjustments or selections 5 To return to the previous menu press the MENU button Item Function Operation Range Volume Adjusts the audio volume Press the key to increase the volume and pr...

Page 40: ...Item Function Operation Range Input Use this to change the input to that appropriate to your video cable connection type Press the or keys to change the settings DVI D sub VGA HDMI 1 HDMI 2 OSD Setti...

Page 41: ...ress the 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 Alternat...

Page 42: ...dards Association VESA DDC CI capability allows monitor controls to be sent via the software for remote diagnostics Display Timing Table Pixel Hor KHz Ver Hz Pixel CLK MHz Source 21 5W 640 x 350 31 47...

Page 43: ...5 VESA 1366 x 768 47 76 59 85 85 5 1440 x 900 55 94 59 89 106 500 CVT 1 30MA 1440 x 900 70 6 75 136 75 1600 x 900 55 54 59 87 97 75 1600 x 1000 643648 60 00 108 50 CVT 1 60MA R 1600 x 1200 75 00 60 0...

Page 44: ...ode by Timer Reset And need to have a warning message to double confirm the reset function The timer should record up to 99999 hours 7 Add two select items for HDCP DVI HDMI port DVI HDCP HDMI HDCP at...

Page 45: ...130 Bezel L215WA 9BENQ2 1 2 KEPC9QBF KEY BOARD 1 3 A33G0707ADP 1L0100 FUNCTION BUTTON 1 4 A33G0708ADP 1L0100 BUTTON COVER 1 5 A33G0709BCNA1C0100 POWER BUTTON 1 Translucency white 6 A33G0710 1 1C0100 P...

Page 46: ...20 0M1G1030 6120 SCREW M3X6 1 USB PCB to mainframe 21 USB9QBE USB BOARD 1 22 0Q1G1030 8120 SCREW Q3 X 8 1 Earphone PCB to rear cover 23 USB9QB1 EARPHONE BOARD 1 24 A85G0191101 USB SHIELD 1 25 A34G1356...

Page 47: ...21 5 LCD Color Monitor BenQ E2220HD 47 Six angles view...

Page 48: ...d base ASSY a 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 hinge cover b Remove three screws in red to rem...

Page 49: ...t the connectors to remove the rear cover as follow Step 3 Remove the bezel a Disconnect the connectors and release the screw to remove the key board from the bezel Secure the cable with the tape to a...

Page 50: ...e the leafing aluminum and disconnect the Lamp connectors Note 1 Secure the light wires with the leafing aluminum like the picture as below 2 The leafing aluminum is not reused Secure the audio cable...

Page 51: ...Monitor BenQ E2220HD 51 b Remove the tapes c Disconnect the LVDS Cable connection The leafing aluminum can t overtop the edge of the panel PC board The leafing aluminum can t overtop the edge of the...

Page 52: ...r BenQ E2220HD 52 Step 5 Remove the boards Release the screws to remove the power board main board and USB board The tape is below the FFC cable Place the cables in the slot of the mainframe and secur...

Page 53: ...erface CN408 Key Board Control CN401 Crystal 14 318MHz X401 DVI Connector CN501 EEPROM AT24C02BN SH T U502 EEPROM AT24C04BN U403 Flash Memory SST25LF020A 33 4C SAE U402 USB Board Control CN605 HDMI 1...

Page 54: ...t Control Circuit Main Transformer Switching Circuit PWM Control IC MOSFET Feedback Control Circuit Inverter Block Circuit Dimming Control Circuit Rectification B Rectification Feedback Control Circui...

Page 55: ...ON OFF 5V1 lay E2220HD VCC3 3 DIM 5V U702 AP1117E33LA 1 2 3 VSS VOUT VIN VCC3 3 Adj_BACKLIGHT 4 R713 0R05 1 4W C712 100uF 25V 5V C704 0 1uF 16V R708 100K 68K R712 NC 47K improve I rush current U301 N...

Page 56: ...99 3 1 2 GNDR 4 VGA_SDA WP high then write protect R139 100 OHM 1 10W VGA5V RED GNDB 4 R107 75 OHM 1 4W DDC_WP 4 D104 BAV99 3 1 2 VSYNC 4 5V VGAESD R133 4 7K1 16W BLUE R111 1K1 16W R131 4 7K1 16W FB10...

Page 57: ...41 38 80 67 1 115 65 66 36 37 100 6 39 9 10 11 13 14 68 69 5 103 102 117 60 44 59 90 128 8 87 12 84 83 85 77 76 82 7 4 97 94 95 92 70 78 89 88 96 86 91 99 98 2 50 93 101 116 15 81 104 75 18 21 24 27 3...

Page 58: ...M R482 300 OHM 1 4W LVA3M PB 0 9 RXOC LVACKM LVB3M LVB1M LVB3M RXO1 D A 5 7 Friday July 03 2009 715G3550 M0A 1 0 COVER G3550 M0D X X 2 090511 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V...

Page 59: ...0 4 H1_D2 C503 10UF50V R537 100R 5 1 16W R518 10K1 16W CEC2 HDMI1_HPD HDMI1_SDA1 H2_D1 FB501 120 OHM 1 2 H1_D2 H2_D2 HDMI1_DATA HDMI2_D2 R576 47 OHM 1 16W 6 24 HDMI2_CK HDMI2_SDA1 R577 100R 5 1 16W Q5...

Page 60: ...220uF 25V R614 10K 1 10W LINEOUT_JACK_L R646 1K 1 10W EOUTL U603B LM358DR 5 6 7 8 4 5V1 FB604 120 OHM 1 2 AGND OUT R C618 1UF 10V R654 100K1 16W R606 0R05OHM1 16W AUDIO_SD 4 D603 LL4148 C631 220nF 16...

Page 61: ...W 16V HS2 HEAT SINK D908_Q90G6263 6 1 2 R904 8 2K 1 4W R914 0 39 OHM 2W 5 5V INVERTER USB 2 5A R901 1 MOHM 5 1 4W R930 2 43K 1 1 10W R919 100 OHM 1 4W D900 FR107 C909 220pF 50V C910 47N 50V 3 15A 250V...

Page 62: ...POWER X FMR 6 2 7 5 1 8 R808 360 OHM 1 1 10W C801 47N 50V IC801 ta9687GN A 0 TR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VSEN SSTCMP CT RT1 GNDA PDR2 GNDP NDR2 NDR1 PDR1 VDDA TIMER PWM ISEN OVPT ENA R8...

Page 63: ...1 IN L IN R1 C612 100P 50V OUT L OUT R OUT L1 A B CN651 PHONEJACK 5 2 4 3 1 6 7 8 9 10 11 12 13 14 1 PWPC9B41AAA6 A Custom 5 5 Wednesday June 17 2009 715G3557 P0D 000 0010 ODM MODEL 05 AUDIO G3557 P0D...

Page 64: ...HM 1 2 3 4 U751 AP1117E33LA 1 2 3 VSS VOUT VIN VBUS4 UGND OC3 C757 100N 16V C754 100N 16V UGND UGND USB3 3V R773 10K1 16W R777 15KOHM 1 16W UGND C767 100N 16V 12K1 10W R784 R752 100KOHM 5 1 16W UGND Z...

Page 65: ...ONEJACK 1 2 3 5 4 FB663 0R05 1 8W from Bottom USB Board AGND B B 2 2 Friday June 12 2009 715G3575 T0D 3 0 HEADPHONE JACK G3575 T0D X X 1 090604 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P...

Page 66: ...omponent 1 042V GND C004 NC 0 001uF ZD002 NC UDZSNP5 6B 1 2 GND SW003 SW 3 4 2 1 6 5 ZD005 NC UDZSNP5 6B 1 2 GND LEFT C007 0 1uF 50V ENTER AUTO R003 1 8K1 10W 1 435V LED_GRN DC_POWERON RIGHT LEFT C008...

Page 67: ...2 2009 715G3559 C 02 KEY BOARD G3559 C X X 1 090612 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Component GND LED_RED POWER C021 0 1uF 50V CN021 CONN 1...

Page 68: ...on quality or with a built in booster Does the blurring only occur at resolutions lower than the native maximum resolution Read the instructions on the link Adjusting the Screen Resolution on the CD S...

Page 69: ...ink Adjusting the Screen Resolution on the CD and then select the correct resolution refresh rate and make adjustments based on these instructions You are running the monitor at its native resolution...

Page 70: ...Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal Measure U702 Pin2 3 3V Measure U704 Pin2 1 2V OK OK NG NG NG...

Page 71: ...1 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable NG OK NG Check U401 Replace U401 Measure U702 Pin2 3 3V M...

Page 72: ...Q702 base is low level X401 oscillate waveform is normal Check Correspondent component Replace Panel Check Correspondent component OK OK Replace X401 NG NG NG NG Check reset circuit of U401 is normal...

Page 73: ...e of C905 Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of U901 Check R904 R905 Change U901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1...

Page 74: ...801 Check ON OFF signal Check Interface board or main board NG OK Check IC801 PIN 11 5V NG OK Change ON OFF circuit Check IC801 PIN8 PIN9 PWM wave NG OK Check IC801 Check Q805 Q806 Drain wave NG Check...

Page 75: ...0HD 75 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key P...

Page 76: ...21 5 LCD Color Monitor BenQ E2220HD 76 PCB LAYOUT Main Board...

Page 77: ...21 5 LCD Color Monitor BenQ E2220HD 77...

Page 78: ...21 5 LCD Color Monitor BenQ E2220HD 78 Power Board...

Page 79: ...21 5 LCD Color Monitor BenQ E2220HD 79...

Page 80: ...21 5 LCD Color Monitor BenQ E2220HD 80...

Page 81: ...21 5 LCD Color Monitor BenQ E2220HD 81 USB Board...

Page 82: ...21 5 LCD Color Monitor BenQ E2220HD 82 Key Board...

Page 83: ...OARD MAINFRAME 2 6 1kgf cm 0G1G1030 6120 Q3 6 FOR USB BOARD MAINFRAME 1 6 1kgf cm 0M1G1030 6120 M3 6 FOR USB BOARD MAINFRAME 1 6 1kgf cm 0Q1G1030 8120 Q3 8 FOR PWB BTN PCB TO MIDDLE FRAME 1 6 1kgf cm...

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