ViewSonic VX2245wm-1 User Manual Download

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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

Summary of Contents for VX2245wm-1

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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Page 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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