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ViewSonic V

2245wm-1

Model No. VS11349

22” Color TFT LCD

Display

2245wm-1_SM Rev. 1a Oct. 2006)

ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

Service Manual

Содержание VX2245wm-1

Страница 1: ...ViewSonic VX2245wm 1 Model No VS11349 22 Color TFT LCD Display VX2245wm 1_SM Rev 1a Oct 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual...

Страница 2: ...xpressed or implied with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise...

Страница 3: ...otices 1 2 Specification 4 3 Front Panel Function Control Description 14 4 Circuit Description 24 5 Adjustment Procedure 31 6 Troubleshooting Flow Chart 63 7 Recommended Spare Parts List 71 8 Exploded...

Страница 4: ...es or solvents for your cleaning 10 Do not operate the product under the following conditions Extremely hot cold or humid environment Areas containing excessive dust and dirt Near any appliance genera...

Страница 5: ...ignal Interface Connector be sure not to rotate or tilt the Interface Connector of the TFT Module 11 After installation of the TFT Module into an enclosure LCD monitor housing for example do not twist...

Страница 6: ...cover of the monitor Do not touch the surface of the polarizer Surface of the panel is pressed by fingers this may cause MURA Take out the monitor with cushion Take out the monitor by grasping the LCD...

Страница 7: ...0 240V 50 60Hz Yes On Mode Typ 38 W LCD Off Mode Max 1 W On Mode Typ 24 W Power Consumption Multimedia base On Mode Max 30 W Upstream port B type X 1 Yes USB Downstream port A type X 4 Yes Card reader...

Страница 8: ...o Subwoofer 3 0W typ 5 0W Max Nominal size 46mm S N 85dB Audio Speaker THD 10 Vol Max S N 60dB Built in MIC Sensitivity 38dB 3dB VR Volume control Rotation stopper strength 1 0Kgf cm Total rotational...

Страница 9: ...in 38 W typ Base 24W typ Power Cable Refer to Appendix G Power Adaptor for Multimedia base Refer to Appendix H Analog Cable 1 8 m color black with PC 2001 and Hot Plug Detect DDC YES DVI Cable 1 8m co...

Страница 10: ...50 The image vertical size might not be full screen But the image vertical position should be at the center Exclusions Not compatible with interlaced video POWER SUPPLY LCD Head Internal Power Supply...

Страница 11: ...Hz 3 3 3 3 For Analog sync switch 640x400 60Hz and 640x480 60Hz by 1 2 short cut key primary 640x480 60Hz 4 640 x 400 70 Hz 31 5 KHz 3 3 3 3 For Analog sync the image vertical size image will be not f...

Страница 12: ...y 1 2 short cut key primary 1024x768 75Hz 34 1280 x 768 85 Hz 68 6 KHz 3 3 3 3 For Analog sync Switch 1024x768 85Hz and 1280x768 85Hz by 1 2 short cut key primary 1024x768 85Hz 35 1280 x 960 50 Hz 49...

Страница 13: ...D must fully appear within 0 5s after pushing Button 1 Short Cuts Function from the button s 1 Main Menu 2 Input toggle Analog or Digital To immediately activate Brightness Contrast menu Recall both o...

Страница 14: ...ctivated by pressing the front panel control buttons 1 again for 10 seconds Note1 When the OSD is locked will lock all functions including Volume and Mute Note 2 Status bar indicating OSD Lock or Unlo...

Страница 15: ...0 Response Time 10 90 Ta 25 C Typical 5ms Tr 2 ms Tf 3 ms Maxmum 15ms Tr 7 ms Tf 8 ms Mercury 3 0 mg per lamp Panel Defects Please see Panel Quality Specifications The average of measured value from m...

Страница 16: ...B 100 Same as the Contrast Ratio in section 4 6 TFT LCD PANEL CR 6500K Condition Contrast Brightness Default CCT 6500K CR 6500K CR Max 85 50 units of shipment shall be equal or better than typical CR...

Страница 17: ...ontrols on page 10 Main Menu with OSD controls Front Control Panel shown below in detail Scrolls through menu options and adjusts the displayed control Also a shortcut to display the Contrast adjustme...

Страница 18: ...uttons 5 To save the adjustments and exit the menu press button 1 twice The following tips may help you optimize your display Adjust the computer s graphics card so that it outputs a 1680 x 1050 60Hz...

Страница 19: ...st Volume increases the volume decreases the volume and mutes the audio Mute temporarily silences audio output Color Adjust provides several color adjustment modes including preset color temperatures...

Страница 20: ...and blue B 1 To select color R G or B press button 2 2 To adjust selected color pressSandT Important If you select RECALL from the Main Menu when the product is set to a Preset Timing Mode colors retu...

Страница 21: ...ironment and monitor default setting Text optimized for text editing and viewing in a word processing environment Cinema optimized for movie and video environment Game optimized for PC TV game environ...

Страница 22: ...n appears OSD Position allows the user to move the OSD menus and control screens OSD Timeout sets the length of time the OSD screen is displayed For example with a 30 second setting if a control is no...

Страница 23: ...ViewSonic Corporation Confidential Do Not Copy 20 Physical Description Please refer to the following illustrations to identify the components of the ViewDock Front View Rear view VX2245wm 1...

Страница 24: ...ows You do not need to install any special drivers for the Card Reader if your OS is Windows 2000 ME XP Card reader Installation guide for Windows 98SE Please do not connect the ViewDock to your PC s...

Страница 25: ...k on the CD ROM drive and select Setup exe from the CD Note If USB device is not detected does not work properly 1 Double click the System icon in Control Panel 2 Select the Device Manager tab from Sy...

Страница 26: ...Refer to the following information 1 Adjust subwoofer volume via volume control 2 Turn right to increases the subwoofer volume 3 Turn left to decreases the subwoofer volume 4 In order to obtain the o...

Страница 27: ...e to save cost and make the design easier 2 RTD2120 This chip is the micro processor of LCD monitor It uses the design ware DW8051 of Synopsys as the 8051 core of this chip and is compatible with othe...

Страница 28: ...01 21 39 90 30 62 1A 60 27 40 68 B0 36 00 DA 28 11 00 70 00 1C 00 00 00 FF 00 51 44 4F 80 30 36 30 31 30 30 30 30 31 0A 90 00 00 00 FD 00 32 4B 1E 52 0F 100 00 0A 20 20 20 20 20 20 00 00 110 00 FC 00...

Страница 29: ...VESA 36 ESTABLISHED TIMING II 800 X 600 72Hz VESA 800 X 600 75Hz VESA 832 X 624 75Hz Apple Mac II 1024 X 768 60Hz VESA 1024 X 768 70Hz VESA 1024 X 768 75Hz VESA 1280 X 1024 75Hz VESA 37 Manufacturer...

Страница 30: ...________________________________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number QDO060100001 ___________________________________________________________________...

Страница 31: ...80 81 40 50 71 4F 31 0A 21 39 90 30 62 1A 60 27 40 68 B0 36 00 DA 28 11 00 70 00 1C 00 00 00 FF 00 51 44 4F 80 30 36 30 31 30 30 30 30 31 0A 90 00 00 00 FD 00 32 4B 1E 52 0F 100 00 0A 20 20 20 20 20 2...

Страница 32: ...SA 36 ESTABLISHED TIMING II 800 X 600 72Hz VESA 800 X 600 75Hz VESA 832 X 624 75Hz Apple Mac II 1024 X 768 60Hz VESA 1024 X 768 70Hz VESA 1024 X 768 75Hz VESA 1280 X 1024 75Hz VESA 37 Manufacturer s R...

Страница 33: ...________________________________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number QDO060100001 ___________________________________________________________________...

Страница 34: ...and LCD monitor on B Press the Auto button on monitor keypad to Auto Adjust C The LCD monitor will start the Auto Adjust process automatically and run for 10 consecutive seconds during which time you...

Страница 35: ...st Pattern Full Screen 50 White Gray Inspection Item Bright Dot Particle Line Defect Mura 9 White Box Test Signal 1280 1024 60Hz Test Pattern Window standard pattern Inspection Item Particle Line Defe...

Страница 36: ...60Hz Test Pattern Vertical 64 256 Gray Scale Right Left From 0 to 100 White Inspection Item Line Defect Function Defect 15 Function Test Display pattern Item Pattern Description Remark 1 Gray_Scale_0...

Страница 37: ...ViewSonic Corporation Confidential Do Not Copy 34 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 VX2245wm 1...

Страница 38: ...tup ISP environment Hardware PC or Notebook Parallel Printer cable ISP tool Fig 1 Software ISP driver If the O S was Win2000 or Win XP please have to install Fig1 PORT95NT exe In order to ensure can e...

Страница 39: ...download ISP driver and PORT95NT install file from Myson Century website www myson com tw 2 2 After extracting the zip file the total files list as Fig 2 2 and double click the file of setup exe to in...

Страница 40: ...ial Do Not Copy 37 2 4 Keep default setting or press Change button for selecting the path that you want and then press Next button to continue see Fig 2 4 2 5 Press Install button to continue see Fig...

Страница 41: ...tion Confidential Do Not Copy 38 2 6 The Installer Information shows package warning press Ignore button to continue see Fig 2 6 Fig 2 6 2 7 Installation has finished press Finish button see Fig 2 7 F...

Страница 42: ...opy 39 3 ISP security code 3 1 After installation we could find the shortcut in the setting path or the program bar default setting see Fig 3 1 Fig 3 1 2 2 Security file is a key to use ISP function p...

Страница 43: ...ed to remind user of that different CPU rate may cause ISP function fail it is limited by IIC protocol press button see Fig 3 3 Fig 3 3 2 4 Press Create Security File button to key in security code Ad...

Страница 44: ...least 2 Command No of security code see Fig 3 5 and different security code between hardware ISP and software ISP The security code of software ISP is set by user while coding but the security code of...

Страница 45: ...wSonic Corporation Confidential Do Not Copy 42 3 6 Fig 3 6 shows the setting for security code of hardware ISP it needs 4 Command No and key in command sequentially for 94 94 AC CA 53 Fig 3 6 VX2245wm...

Страница 46: ...ws the setting for security code of software ISP it needs 2 Command No and key in command sequentially for 7C 4C 77 The Command No and command must be set by user while coding About the detail of sett...

Страница 47: ...nd select Auto item then press RUN button see Fig 4 1 4 2 If user changes the MTV type it must load file again or the buffer of load file will be cleared 4 3 CRC cyclic redundancy check the host can c...

Страница 48: ...content 5 1 Only software ISP could read the MCU content it is according to program the boot code while coding The limitation is used for the security of customer s code Select Read Target item and p...

Страница 49: ...ViewSonic Corporation Confidential Do Not Copy 46 5 2 If user uses hardware ISP to read MCU content it shows as Fig 5 2 Fig 5 2 VX2245wm 1...

Страница 50: ...ViewSonic Corporation Confidential Do Not Copy 47 6 Re entry the ISP Mode When you could not select or click Reset MCU button and enter ISP mode again you refer the message as below VX2245wm 1...

Страница 51: ...8 Note 1 Disable the Enter ISP Mode option to avoid the error message display 2 If you using the MTV312M64 or before MCU serials the MCU will always in ISP Mode even programming fail or erase MCU that...

Страница 52: ...SCL 1 and HSDA 1 should keep in enable 4 Only software ISP could read the MCU content 5 MTV212M MTV312M MTV230M MTV412M MTV512M CS8954 support software ISP 7 3 Boot code of software ISP 1 Initialize M...

Страница 53: ...ViewSonic Corporation Confidential Do Not Copy 50 7 4 The followings show the relationship between the code and the security code VX2245wm 1...

Страница 54: ...orporation Confidential Do Not Copy 51 8 ISP Adaptor Schematic 9 Adaptor Linking The Monitor Set Connect with Printer Cable 25Pins to 25Pins PC HOST Connect with VGA Cable 15Pins to 15Pins ISP Adaptor...

Страница 55: ...rotect the monitor Figure 1 1 2 Put the monitor in the PE bag and seal the bag with tape Figure 2 Figure 1 Figure 2 1 3 Put the cushion into the carton then place the monitor on the cushion Figure 3 1...

Страница 56: ...onfidential Do Not Copy 53 Monitor Assembly and Disassembly 1 Separate Stand Assy 1 Remove Stand Cover Step 1 Remove the Stand Covers Step 2 Loose and remove 6 screws Step4 Remove the Stand Assy Step...

Страница 57: ...54 2 Separate Rear Cover Rear Case Assy Separate Bezel hooks to take Bezel and Rear Cover apart Step 1 Loose and remove 3 screws Step 2 Separate Bezel hooks to take Bezel and Rear Cover apart Step 3...

Страница 58: ...Do Not Copy 55 3 Remove Power Board and AD Board 3 1 Remove Metal Cover Step 1 Remove FFC from OSD Board Step 2 Lift up LCD module and remove bezel Step 3 Remove 4 pieces of Backlight wires Step 4 Lo...

Страница 59: ...fidential Do Not Copy 56 Step 5 Loose and remove 2 screws Step 6 Loose and remove 4 screws Step 7 Remove the PCBA Cover 3 2 Remove Power Board and AD Board Step 1 Loose and remove 4 screws Step 2 Remo...

Страница 60: ...ViewSonic Corporation Confidential Do Not Copy 57 Step 3 Remove 2 pieces of FFCs Step 4 Remove the FFC Step 5 Loose and remove 4 screws Step 6 Remove AD PCBA Step7 Completed VX2245wm 1...

Страница 61: ...ntial Do Not Copy 58 4 Change New AD Board and Power Board Step 1 Place new AD Board And fasten 4 fixed screws Step 2 Fasten 4 fixed screws Step 3 Insert FFC Step 4 Insert 2 pieces of FFCs Step 5 Inse...

Страница 62: ...ewSonic Corporation Confidential Do Not Copy 59 Step 6 Fasten 4 fixed screws Step 7 Completed 5 Remove OSD Board Step 1 Separate both Audio Cable Step 2 Take OSD Board apart Step 3 Completed VX2245wm...

Страница 63: ...Do Not Copy 60 6 Change New OSD Board Step 1 Place New OSD Board Step 2 Insert Audio cable to connectors of New OSD Board Step 3 Completed 7 Add Cover to AD PCB Heatsink Step 1 Join the PCB Cover Step...

Страница 64: ...ion Confidential Do Not Copy 61 Step 3 Fasten 2 fixed screws Step 4 Fasten 4 fixed screws Step 5 Insert 4 pieces of Backlight wires Step 6 Join LCD module and remove bezel Step 7 Insert FFC Step 8 Com...

Страница 65: ...Confidential Do Not Copy 62 8 Rear Assy Stand Assembly Step 1 Place Rear Cover Step 2 Fasten 3 fixed screws Step 3 Place the Stand Assy Step 4 Fasten 6 fixed screws Step 5 Join the Stand Covers Step 6...

Страница 66: ...g Flash Dots Bright Dot Dark Dot Backlight Light Leakage Mura Image Sticking Brightness spot Particle Dot Defect Check Panel Light On Test Next Step Panel Change Should be Performed to Level 3 Repair...

Страница 67: ...G A Completed AD B Change CNT B Change Inverter B Change Power B Change Check Panel Display Noise Beat Display Shut Down Beat Display Flicker No Backlight Display Wave B Panel Change Adapter Change Ch...

Страница 68: ...ompleted B Booting Delay C Beat Display No Backlight Check PCBA AD B Change Inverter B Change Power B Change Check Panel Check PCBA Panel Change Power B Change Inverter B Change CNT B Change AD B Chan...

Страница 69: ...Peculiar Smell Check PCBA Check Panel Horizontal Weak Line Next Step TEST NG AD B Change Panel Change Horizontal Band Defect C Vertical Band Defect Power Saving Display Abnormal Check PCBA AD B Chang...

Страница 70: ...CNT B Change OSD Cable Inverter B Change Power B Change OSD B Change AC Power Change DC Power CNT Cable Change Adapter Change Check Adapter Check PCBA Check Wire OSD Cable Change Inverter B Change Pow...

Страница 71: ...al Check BIOS Inverter B Change Power B Change OSD B Change D sub cable Change VGA cable Change DVI cable Change BIOS Update Abnormal Loudspeaker Check PCBA Check Wire AD B Change CNT B Change No Voic...

Страница 72: ...Display Flicker tapping Check PCBA Check Panel AD B Change AD B Change Power B Change Panel Change CNT B Change CNT B Change Other Abnormal Display Next Step TEST NG Completed Panel Change Should be P...

Страница 73: ...alue with the preset values Please refer to Appendix Display Mode Fuzzy Image Adjust Phase Image too bright Adjust brightness and contrast by OSD Image too dark Adjust brightness and contrast by OSD I...

Страница 74: ...000553 42A9930008 20 Screw 3 P 0 5 mm L 4 mm Pan Head HW 00000553 42A9930008 21 Screw M3 P0 5 6 Steel HW 00000555 42A9930014 22 Screw M4 P 0 7 mm L 8 mm Round Head HW 00004042 42 D000649 23 Screw 4 P...

Страница 75: ...11B5 Fuking SPK Green II 1 29 C 00008042 40 D010948 Rear Assy A220Z1 H05 Silver TY4818A Black M1077 Fuking audio_in DVI D Green II 1 30 CB 00008015 32 D011077 FFC FFC1DDX A186S1A 15 Pins Tennsure_FFC...

Страница 76: ...ViewSonic Corporation Confidential Do Not Copy 73 8 Exploded Diagram and Exploded Parts List VX2245wm 1...

Страница 77: ...Stand Seat Assy A220Z1 H08 1 9 N A 44 D009236 Backlight Unit A220Z1 1 10 MULTIPLE MATCH N A Maylar 1 11 N A 27 D008552 Lips Without Audio 1 12 N A 35 D009418 PCBA for A220Z1 Z01 H A170E2 E03 H S6 1 1...

Страница 78: ...1 6 CB 00005678 32F2818011 Audio Cable 1 7 CB 00005851 32 D002132 Monitor Cable 1 8 A 00005071 32 D002330 Power Cord 1 9 CB 00002083 32F0000004 DVI D Cable 1 10 N A Different region refer to BOM Menu...

Страница 79: ...ion Confidential Do Not Copy 76 9 Block Diagram OSD Key Pad Audio Out D sub Analog Video Speaker AC Power LDO Main Board LIPS Backlight LCD Module DC 5V DVI D Digital Video 5V Signal Audio In DC 12V 1...

Страница 80: ...RTD_SDIO1 RTD_SDIO2 RTD_SDIO3 RTD_SCSB RTD_SCLK MENU KEY_DOWN KEY_UP SOURCE_SELECT AUTO_ADJ PANEL_ON OFF PWR_SW YOUT DDC_DAT DDC_CLK LED_GRN LED_ORG INV_ON OFF DDC2_SCL DDC2_SDA CONNECT DCDC_ON OFF MU...

Страница 81: ...OWER GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER GND_POWER TP 1 TP5 TP5 1 2 FB1 FB1 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 CON1 CON1 L1 L1 R15 R15 R6 R6 C13...

Страница 82: ...BUS_POEWR 4 RX0P 5 GND_POWER GND_POWER GND_POWER GND_POWER 1 3 2 D8 D8 C16 C16 C22 C22 1 3 2 D6 D6 C20 C20 1 3 2 D4 D4 DAT2 1 DAT2 2 2 4shield 3 DAT4 4 DAT4 5 DDC SCL 6 DDC SDA 7 VSYNC 8 R 25 HSYNC 2...

Страница 83: ...2 Q2 Q2 7 8 5 3 1 2 4 6 RP5 RP5 C27 C27 R25 R25 R36 R36 1 2 D18 D18 R30 R30 C29 C29 1 2 D17 D17 R19 R19 R26 R26 1 2 D16 D16 R39 R39 C26 C26 1 3 2 Q1 Q1 R21 R21 R41 R41 GND 7 VCC 14 1B 3 2B 6 3B 8 4B 1...

Страница 84: ...FB7 1 2 FB4 FB4 C32 C32 R50 R50 C39 C39 1 3 2 Q5 Q5 R43 R43 R52 R52 C33 C33 R45 R45 1 2 3 Q6 Q6 R48 R48 R54 R54 R51 R51 R55 R55 C38 C38 R53 R53 R44 R44 R42 R42 1 2 FBS1 FBS1 C30 C30 R46 R46 C34 C34 C...

Страница 85: ...CC INV_GND PWR_SW KEY_UP LED_G KEY_DOWN MENU SOURCE_SELECT AUTO_ADJ LED_O A 1 B 2 C 3 D 4 D 5 C 6 B 7 A 8 CA CP1 CA CP1 R59 R59 GND 1 VO 3 3V 2 VI 5V 3 VO 3 3V 4 U6 U6 TP 1 AUTO_ADJ1 AUTO_ADJ1 R60 R60...

Страница 86: ...ViewSonic Corporation Confidential Do Not Copy 83 11 PCB Layout Diagrams VX2245wm 1...

Страница 87: ...ViewSonic Corporation Confidential Do Not Copy 84 VX2245wm 1...

Страница 88: ...ViewSonic Corporation Confidential Do Not Copy 85 VX2245wm 1...

Страница 89: ...ViewSonic Corporation Confidential Do Not Copy 86 VX2245wm 1...

Страница 90: ...ViewSonic Corporation Confidential Do Not Copy 87 VX2245wm 1...

Страница 91: ...ViewSonic Corporation Confidential Do Not Copy 88 VX2245wm 1...

Страница 92: ...ViewSonic Corporation Confidential Do Not Copy 89 VX2245wm 1...

Страница 93: ...ViewSonic Corporation Confidential Do Not Copy 90 VX2245wm 1...

Страница 94: ...iption 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Layout Diagrams B Are...

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