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BenQ G2020HD, Руководство по обслуживанию

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18.5” LCD Color Monitor                                     BenQ G922HD

 

26                                                                                                                    

Press 

MENU

 to leave the Color menu. 

Dynamic 

Contrast 

The function will increase the level 

of contrast to provide sharper and 

more detailed image quality. 

Activating  

Dynamic Contrast

 will disable 

Brightness and Contrast 

controls. 

Press the ENTER key to select this 

option. Press the

 or

keys to 

change the settings. 

0 to 5 

 

Picture Advanced menu

 

 

 

1. Press the MENU key to display the main menu. 

2. Press the

 or

keys to select 

PICTURE ADVANCED

 and 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 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. 

• Standard - for basic PC application. 

• Movie - for viewing videos. 

• Dynamics - for viewing landscape-specific 

videos and playing games. 

• Photo - for viewing still images. 

• sRGB - for better color matching 

representation with the peripheral devices, 

such as printers, DSCs, etc. 

Press the

 or 

 

keys to change the 

settings. 

 

• Standard 

• Movie 

• Dynamics 

• Photo 

• sRGB 

 

Содержание G2020HD

Страница 1: ...ion 1st Date 04 16 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 http esupport benq c...

Страница 2: ...elated service information 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 P...

Страница 3: ...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 Programmable...

Страница 4: ...lue 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 Harmo...

Страница 5: ...otection 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...

Страница 6: ...onfirming 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...

Страница 7: ...not in use Compliance with the recommendations in accordance with TCO 03 This operating manual contains important information you require to start up and run your LCD monitor This specification define...

Страница 8: ...s Tr Tf GtG response Time N A NTSC ratio 0 72 Panel Display Panel maker AUO CMO BenQ SenseyeTM Technology Yes BenQ SenseyeTM Preset Modes 5 Modes by hotkey Standard Movie Dynamic Photo s RGB Color Tem...

Страница 9: ...Weight Esti TBD Gross Weight Esti TBD Container Loading 40 2070 Mechanical Design Container Loading 20 990 Multi language Support OSD 17 Languages English Francais Deutsch Italiano Espanol Polish Czec...

Страница 10: ...CD Color Monitor BenQ G922HD 10 5 2 Packing When packing the monitor into the carton please follow the pictures as below Using the EPE bag to pack the monitor without base Using the EPS to pack the mo...

Страница 11: ...18 5 LCD Color Monitor BenQ G922HD 11 Putting the base and D SUB cable in the position as the picture shows above Putting the monitor and accessories into the carton User manual Power cord...

Страница 12: ...laced near or over a radiator or heat source or in a built in installation unless proper ventilation is provided Never push objects or spill liquid of any kind into this product Software Firmware Upgr...

Страница 13: ...18 5 LCD Color Monitor BenQ G922HD 13 4 The process of ISP write is as follows a Double click running the program as follows b Choose click running the program as follows...

Страница 14: ...BenQ_G922HD_RTD2525LH_CMO185 H00 and click open d Click icon search the program BenQ_G922HD_RTD2525LH_CMO185 H01 and click open e Click icon search the program BenQ_G922HD_RTD2525LH_CMO185_EXTEND and...

Страница 15: ...m Video Electronics Standards Association VESA Extended Display Identification Data EDID information may be also obtained from VESA 1 When does the part need the tools as follow a An i486 or above per...

Страница 16: ...18 5 LCD Color Monitor BenQ G922HD 16 4 Take analog DDC write for example as follow a Double click appear as follow b Choose Analog and then click Loadfile it will show the picture as follow...

Страница 17: ...the picture as follow d Input the date in Year Month Day box Key in the same 13 numbers in the Input SN and Verify SN then click Program when the analog DDC Write complete it will show the picture as...

Страница 18: ...0 00 00 00 FD 00 32 60 4C 1E 3F 0B 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 42 65 6E 51 20 47 39 32 32 48 44 0A 20 00 94 Decoded EDID data Header Header 00 FF FF FF FF FF FF 00 x Header x Vendor Prod...

Страница 19: ...ming Mode In First Detailed Timing GTF supported No Basic Display Parameters Features Color Characteristics Red x 0 6484375000 Red y 0 3388671875 Green x 0 2929687500 Green y 0 6025390625 Blue x 0 142...

Страница 20: ...FC Monitor Name BenQ G922HD x Detailed Timing Descriptions x Extension Flag 00 Checksum 94 Digital 128 bytes EDID Data Hex x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 xA xB xC xD xE xF 0 00 FF FF FF FF FF FF 00 09...

Страница 21: ...arameters Features Video i p definition Digital Max H Image Size 41cm Max V Image Size 23cm Display Gamma 2 2 DPMS Features Stand by No DPMS Features Suspend No DPMS Features Active off Yes Display Ty...

Страница 22: ...hed Timings x Standard Timing Identification 1280x720 60 Hz 1280x720 75 Hz x Standard Timing Identification x Detailed Timing Descriptions Detailed Timing 1366x768 60Hz x Detailed Timing Descriptions...

Страница 23: ...he settings on your monitor Press the MENU key to display the following main OSD menu There are four main OSD menus 1 Display 2 Picture 3 Picture Advanced 4 System Use the or keys to highlight a menu...

Страница 24: ...e ENTER key to select this option and make adjustment H Position Adjusts the horizontal position of the screen image 0 to 100 V Position Adjusts the vertical position of the screen image 0 to 100 Pixe...

Страница 25: ...natural coloring This is the factory default color 0 to 100 Bluish Applies a cool tint to the image and is factory pre set to the PC industry standard white color 0 to 63 Reddish Applies a warm tint...

Страница 26: ...ER 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 selections 5 To return to...

Страница 27: ...yed without geometric distortion Full Scales the input image to fill the screen Ideal for 16 9 aspect images Aspect The input image is displayed without geometric distortion filling as much of the dis...

Страница 28: ...or keys to change the settings The language options displayed on your OSD may differ from those shown on the right depending on the product supplied in your region English French German Italian Spani...

Страница 29: ...et through the software on the PC Press the ENTER key to select this option Press the or keys to change the settings ON OFF HDMI Auto Switch When this function is activated HDMI port will be in the in...

Страница 30: ...44 77 59 86 74 5 1360x768 47 70 60 01 85 5 VESA 1366x768 47 76 59 85 85 5 For the first time using this monitor with the resolution 1360x768 the default Display Mode is Aspect Image disruption may oc...

Страница 31: ...only reset at the service mode 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 one select item for DVI port Mode...

Страница 32: ...PCS LENS 3 Q33G0287ADP 1L0100 1 PCS KEYPAD 4 Q15G0405201 1 PCS MAINFRAME 5 Q34G0544ADP 2B0130 1 PCS REAR COVER18 5 6 Q33G0289ADPA1L0100 1 PCS LOGO COVER 7 Q34G0545ADP 1B0100 1 PCS STAND FRONT 8 Q37G01...

Страница 33: ...Q1G1740 12120 2 PCS HINGE STAND 4 0M1G1740 8 47 CR3 1 PCS HINGE STAND 5 AM1G1740 12 47 CR3 2 PCS HINGE STAND MF ART 1 Q44G8015101 1 PCS EPS L 2 Q44G8015201 1 PCS EPS R 3 Q44G8015201 1 PCS 18 5 LCD BEN...

Страница 34: ...ve the stand base ASS Y 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 two screws as below to remove the sta...

Страница 35: ...18 5 LCD Color Monitor BenQ G922HD 35 3 Remove the rear cover 4 Remove the Panel Disconnect the Lamp Connections and LVDS Cable connection...

Страница 36: ...5 LCD Color Monitor BenQ G922HD 36 5 Remove the Main Board and Power Board Remove the screws in red and disconnect the all connections in blue at last you can get the Main Board and Power Board as fol...

Страница 37: ...18 5 LCD Color Monitor BenQ G922HD 37 MAIN BOARD POWER BOARD...

Страница 38: ...922HD 38 Block Diagram Main Board D Sub Connector CN301 H sync V sync RGB Panel Interface CN601 Key Control Interface CN202 Crystal 24MHZ X401 Scalar RTD2545LH GR U501 MCU RTD2122L LF U401 DVI Connect...

Страница 39: ...EMI filter Start Resistor R904 R932 PWM Control IC901 Transformer Feedback Circuit Transformer T801 MOSFET Q802 Lamp 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Output Circuit PW...

Страница 40: ...nect R210 10K 1 16W KEY1 4 C204 0 1uF 16V CMVCC LED_G 4 CN202 CONN 1 2 3 4 5 6 ZD201 NC UDZSNP5 6B 1 2 BKLT EN High ON 3 3V R207 120R 1 16W C205 0 1uF 16V C_PANEL_INDEX C209 0 1uF 16V ZD202 NC UDZSNP5...

Страница 41: ...W 5 CBPCRRHBFQ1 1 2 BenQ G920HD B 3 6 Thursday January 08 2009 715G3327 1A 3 INPUT G3327 1A X X 5 090108 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME T P V Top Victory Electronics Co Ltd Key Co...

Страница 42: ...PWM5 DSCL2 P5 6 DSDA2 P5 7 RST ASCL1 P3 0 RXD NC NC ASDA1 P3 1 TXD VSS XO VCC P1 0 T2 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 NC VSYNC NC P6 0 ADC0 P6 1 ADC1 P6 2 ADC2 P6 3 ADC3 P6 4 P6 5 P6 6 CLKO1 P6 7 X...

Страница 43: ...RXE0 RXE3 BJT_B RTD_DDCSDA TMDS_VDD RXE0 RXCP LVDS_E9 RXEC RTD_R RTD_DDCSCL C506 0 1uF 16V RX2N LVDS_E2 RXE1 TMDS_VDD LVDS_O4 RXEC RXO3 DGND RXO2 LVDS_E3 RXOC C507 1uF 10V For HDCP RTD_R RX0N 3 RTD_G...

Страница 44: ...923 NC 1 2 R927 3 6K OHM 1 1 10W C928 0 01uF N C C910 NC R921 NC CN901 87G 501 32 DL SOCKET 1 2 3 5V GND1 GND 1 2 C917 680uF 25V R919 100 OHM 1 4W F904 NC Q904 NC R910 10R 1 4W T901 POWER X FMR 7 8 9...

Страница 45: ...DIM C824 0 1uF R810 51K OHM 1 1 8W C823 0 0022uF Q805 PDTC144WK R856 15R 1 4W R818 1K 1 10W 1 C817 NC ON OFF C845 2 2uF 16V R862 1M 1 10W 5 R807 10K 1 10W 1 12V D811 NC R863 10K 1 10W 1 R827 1K 1 10W...

Страница 46: ...T LEFT ENTER Power AUTO 1 435V 0 673V LBADC2 RIGHT 1 435V LBADC1 0 673V 3 0K 1 8K ENTER AUTO 1 0K 3 0K MENU LBADC3 1 435V 0 673V LEFT 3 0K POWER 1 8K B C010 0 1uF C010 0 1uF C004 NC 0 001uF C004 NC 0...

Страница 47: ...nk Adjusting the Screen Resolution on the CD Select the native resolution Pixel errors can be seen One of several pixels is permanently black one or more pixels are permanently white one or more pixel...

Страница 48: ...ution refresh rate and make adjustments based on these instructions You are running the monitor at its native resolution but the image is still distorted Images from different input sources may appear...

Страница 49: ...icture is normal 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 U201 Pin2 3 3V OK OK NG NG NG Replac...

Страница 50: ...rmal Replace X401 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...

Страница 51: ...Q601 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...

Страница 52: ...C907 Check bridge rectified circuit and F901 circuit Check start voltage for the pin8 of IC901 Check R904 R905 Change IC901 NG Check the auxiliary voltage is bigger than 10V and smaller than 20V 1 Ch...

Страница 53: ...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...

Страница 54: ...2HD 54 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...

Страница 55: ...18 5 LCD Color Monitor BenQ G922HD 55 PCB LAYOUT Main Board...

Страница 56: ...18 5 LCD Color Monitor BenQ G922HD 56...

Страница 57: ...18 5 LCD Color Monitor BenQ G922HD 57 Power Board...

Страница 58: ...0M1G 130 6120 M3 6 FOR PANEL MAINFRAME 4 3 0 5KGF CM 0M1G1730 6120 M3 6 FOR ALL BOARDS MAIN FRAME 4 6 1 KGF CM AQ1G1740 12120 M4 12 FOR HINGE STAND 2 6 2KGF CM 0M1G1740 8 47 CR3 Q4 8 FOR HINGE STAND 1...

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