ViewSonic VG2030m-1 User Manual Download

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ViewSonic VG2030m-1

Model No. VS11234

20” Color TFT LCD

Display

(VG2030m-1_SM Rev. 1a Nov. 2006)

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

Service Manual

Summary of Contents for VG2030m-1

Page 1: ...ViewSonic VG2030m 1 Model No VS11234 20 Color TFT LCD Display VG2030m 1_SM Rev 1a Nov 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: ...Specification 4 3 Front Panel Function Control Description 11 4 Circuit Description 17 5 Adjustment Procedure 24 6 Troubleshooting Flow Chart 57 7 Recommended Spare Parts List 65 8 Exploded Diagram an...

Page 4: ...e Handling Precautions 4 1 Handling Precautions 1 Since front polarizer is easily damaged pay attention not to scratch it 2 Be sure to turn off power supply when connecting or disconnecting input conn...

Page 5: ...ty grade The LCD module should be supplied with power that complies with the requirements of Limited Power Source IEC60950 or UL1950 or an exemption should be applied for 14 The LCD module is designed...

Page 6: ...he 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 form carton Take out the monitor by grasping the LCD panel That...

Page 7: ...Voltage AC 100 240V 50 60Hz Yes On Mode Max Typ 55 W 45 W Power Consumption Active Off Mode Max 1 W Audio W 2 5W Tilt 5 20 Swivel xx xx 360 Pivot XX XX No Ergonomics Height Adjust XX XX mm 0 80mm OSD...

Page 8: ...with all PC type computers Macintosh computers and after market video cards Resolution Compatibility 640 x 350 640 x 480 720 x 400 640 x 400 800 x 600 832 x 624 1024 x 768 1152x864 1280X960 1280x1024...

Page 9: ...ise shall not be considered Power Saving Operation Method VESA DPMS Signaling Power Consumption ON Mode 55 W max 45 W typ ACTIVE OFF 1W Recovery Time ON Mode N A ACTIVE OFF 3 sec 2 5 ELECTRICAL REQUIR...

Page 10: ...ning Change Mode Auto Adjust or Memory Recall the image shall blank 2 6 FRONT PANEL CONTROLS AND INDICATORS Front Panel Hardware Controls Power Switch Front Head Power Control soft Power Switch Power...

Page 11: ...ode then power should return to it s previous state when power is restored after a power failure The power button lock will be deactivated by pressing the front panel control buttons 1 again for 10 se...

Page 12: ...anel code B for CMO panel should be shown on following position 1 The lower right side of ID label see Figure 2 2 The lower right side of UPC label see Figure 3 3 The F W version sticker or silkscreen...

Page 13: ...set Full Screen Luminance Lv Max Condition Brightness Contrast 100 CCT USER COLOR R G B 100 Lv Max The Luminance requirement of section 4 7 TFT LCD PANEL Lv 9300K Condition Brightness Contrast Default...

Page 14: ...the displayed control Also a shortcut to display the Contrast adjustment control screen Power light Blue ON Orange Power Saving Standby Power On Off Displays the Main Menu or exits the control screen...

Page 15: ...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 1400 x 1050 60Hz...

Page 16: ...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 17: ...or 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 return to the 6500K factory pr...

Page 18: ...moves the screen image left or right and up or down Fine Tune sharpens the focus by aligning text and or graphics with pixel boundaries NOTE Try Auto Image Adjust first Sharpness adjusts the clarity a...

Page 19: ...ition 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 not pushed within 3...

Page 20: ...and spread spectrum support for EMI management The TSUM57AK incorporates the world s first coherent oversampled RGB graphics ADC in a monitor controller system The oversampling ADC samples the input R...

Page 21: ...01 50 01 01 01 01 8F 2F 78 D0 51 1A 60 27 40 58 90 34 00 98 32 11 00 70 00 1C 00 00 00 FF 00 51 47 5A 80 30 36 30 31 30 30 30 30 31 0A 90 00 00 00 FD 00 38 4C 1E 52 0E 100 00 0A 20 20 20 20 20 20 00...

Page 22: ...A 800 X 600 60Hz 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...

Page 23: ..._________________________________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number QGZ060100001 __________________________________________________________________...

Page 24: ...01 01 01 50 01 01 01 01 8F 2F 78 D0 51 1A 60 27 40 58 90 34 00 98 32 11 00 70 00 1C 00 00 00 FF 00 51 47 5A 80 30 36 30 31 30 30 30 30 31 0A 90 00 00 00 FD 00 38 4C 1E 52 0E 100 00 0A 20 20 20 20 20 2...

Page 25: ...00 X 600 60Hz 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...

Page 26: ..._________________________________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number QGZ060100001 __________________________________________________________________...

Page 27: ...nsecutive seconds during which time you will notice the image change 3 Firmware Test Patten Burn in Model Refer to Chap3 Hot Keys for Function Control Make sure the F W is the latest version 4 DCC Tes...

Page 28: ...ttern Full Screen Green Inspection Item Bright Dot Partial Line Defect 14 Gray_Scale_0 100_V64 Test Signal 1280 1024 60Hz Test Pattern Vertical 64 256 Gray Scale Right Left From 0 to 100 White Inspect...

Page 29: ...ViewSonic Corporation Confidential Do Not Copy 26 Figure1 Figure2 Figure3 Figure4 Figure5 Figure6 Figure7 Figure8 VG2030m 1...

Page 30: ...please have to install PORT95NT exe In order to ensure can execute ISP program please set BIOS in PC or Notebook as Fig 2 Fig 2 2 Install ISP 2 1 User could download ISP driver and PORT95NT install f...

Page 31: ...Press Next button to continue see Fig 2 3 Fig 2 3 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 Ins...

Page 32: ...ViewSonic Corporation Confidential Do Not Copy 29 Fig 2 5 2 6 The Installer Information shows package warning press Ignore button to continue see Fig 2 6 Fig 2 6 VG2030m 1...

Page 33: ...Not Copy 30 2 7 Installation has finished press Finish button see Fig 2 7 Fig 2 7 3 ISP security code 3 1 After installation we could find the shortcut in the setting path or the program bar default...

Page 34: ...1 2 2 Security file is a key to use ISP function press button see Fig 3 2 Fig 3 2 3 3 The warning is used to remind user of that different CPU rate may cause ISP function fail it is limited by IIC pro...

Page 35: ...ViewSonic Corporation Confidential Do Not Copy 32 2 4 Press Create Security File button to key in security code Adjusting bar to decrease speed of IIC bus see Fig 3 4 Fig 3 4 VG2030m 1...

Page 36: ...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 o...

Page 37: ...ewSonic Corporation Confidential Do Not Copy 34 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 VG2030m...

Page 38: ...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 39: ...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 40: ...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 41: ...ViewSonic Corporation Confidential Do Not Copy 38 5 2 If user uses hardware ISP to read MCU content it shows as Fig 5 2 Fig 5 2 VG2030m 1...

Page 42: ...ViewSonic Corporation Confidential Do Not Copy 39 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 VG2030m 1...

Page 43: ...0 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 44: ...HSCL 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...

Page 45: ...ViewSonic Corporation Confidential Do Not Copy 42 7 4 The followings show the relationship between the code and the security code VG2030m 1...

Page 46: ...orporation Confidential Do Not Copy 43 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 47: ...onitor Figure 1 1 2 Put the monitor in the PE bag and seal the bag with tape Figure 2 Figure1 Figure2 1 3 Put the cushion into the carton then place the monitor on the cushion Figure 3 1 4 Put the cus...

Page 48: ...nic Corporation Confidential Do Not Copy 45 1 Separate Stand Assy 1 1 Remove Stand Cover Step 1 Remove the Stand Cover Step 4 Completed Step 3 Remove the Stand Assy Step 2 Press the connect place VG20...

Page 49: ...y 46 2 Separate Rear Cover Rear Case Assy Separate Bezel hooks to take Bezel and Rear Cover apart Step 1 Loose and remove 4 screws Step 2 Separate Bezel hooks to take Bezel and Rear Cover apart Step 3...

Page 50: ...tion Confidential Do Not Copy 47 3 Remove Power Board and AD Board 3 1 Remove Metal Cover Step 1 Remove FFC from OSD Board Step 4 Remove 2 pieces of Backlight wires Step 2 Lift up LCD module and remov...

Page 51: ...ViewSonic Corporation Confidential Do Not Copy 48 Step 5 Remove 2 pieces of Backlight wires Step 6 Loose and remove 4 screws Step 7 Loose and remove 2 screws VG2030m 1...

Page 52: ...fidential Do Not Copy 49 3 2 Remove Power Board and AD Board Step 9 Loose and remove 2 screws Step 10 Remove the PCBA Cover Step 1 Loose and remove 4 screws Step 2 Remove Lips Board Step 8 Loose and r...

Page 53: ...Not Copy 50 4 Change New AD Board and Power Board Step 1 Place new AD Board And fasten 4 fixed screws Step7 Completed Step 4 Remove 2 pieces of FFCs Step 3 Remove the FFC Step 5 Loose and remove 4 sc...

Page 54: ...nic Corporation Confidential Do Not Copy 51 Step 4 Insert FFC Step 3 Insert 2 pieces of FFCs Step 2 Fasten 4 fixed screws Step 5 Insert new Lips Board Step 6 Fasten 4 fixed screws Step 7 Completed VG2...

Page 55: ...Corporation Confidential Do Not Copy 52 5 Remove OSD Board Step 5 Completed Step 3 Loose and remove 2 screws Step 4 Remove the FFC and OSD board Step 2 Separate both Audio Cables Step 1 Remove the FFC...

Page 56: ...ViewSonic Corporation Confidential Do Not Copy 53 6 Change New OSD Board Step 1 Place New OSD Board and insert FFC Step 3 Insert Audio cables Step 4 Completed Step 2 Fasten 2 screws VG2030m 1...

Page 57: ...ewSonic Corporation Confidential Do Not Copy 54 7 Add Cover to AD PCB Heatsink Step 1 Join the PCB Cover Step 3 Fasten 2 fixed screws Step 2 Fasten 2 fixed screws Step 4 Fasten 2 fixed screws VG2030m...

Page 58: ...fidential Do Not Copy 55 Step 11 Completed Step 10 Insert FFC Step 6 Fasten 4 fixed screws Step 8 Insert 2 pieces of Backlight wires Step 7 Insert 2 pieces of Backlight wires Step 9 Join LCD module an...

Page 59: ...nic Corporation Confidential Do Not Copy 56 8 Rear Assy Stand Assembly Step 1 Place Rear Cover Step 2 Fasten 4 fixed screws Step 4 Join the Stand Cover Step 5 Completed Step 3 Place the Stand Assy VG2...

Page 60: ...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 61: ...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 62: ...Completed 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 Cha...

Page 63: ...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 64: ...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 65: ...mal 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 Voi...

Page 66: ...D B Change Power B Change Panel Change CNT B Change CNT B Change Other Abnormal Display Next Step TEST NG Completed TV Function Display Abnormal Panel Change Should be Performed to Level 3 Repair stag...

Page 67: ...th the preset values Please refer to Appendix Display Mode z Fuzzy Image Adjust Phase z Image too bright Adjust brightness and contrast by OSD z Image too dark Adjust brightness and contrast by OSD z...

Page 68: ...32 D008152 16 Safety Label 160 mmx30 mm DC 00008134 77 D013594 17 Carton Label 76 2 mmx76 2 mm DC 00008135 77 D013595 18 CD ROM DC 00008136 76 D013600 19 SCREW 3 P 0 5 mm L 4 mm Pan Head Phillips Cro...

Page 69: ...A201P1 P01 H K2 1101 01 Rev 01 ITC USI ODM Green II 1 26 B 00005703 35 D007988 PCBA for A201P1 P01 H A201P1 P01 H K1 1101 01 Rev 01 ITC USI ODM Green II 1 27 C 00008140 40 D013516 Bezel Assy A201P1 H0...

Page 70: ...ViewSonic Corporation Confidential Do Not Copy 67 8 Exploded Diagram and Exploded Parts List VG2030m 1...

Page 71: ...008139 40 D013575 COVER_HINGE_ASSY_20V18 1 4 CB 00005676 32 D007464 FFC_AD OSDP_20V14 1 5 CB 00005675 32 D007466 FFC_OSDP OSD_20V14 1 6 N A PK1PFH1Q02 ISM_A201P1 1 7 B 00005704 35 D007990 PCBA_OSD_20V...

Page 72: ...rton 1 4 P 00008136 78 D013577 EPS Foam Bottom 1 5 P 00008137 78 D013578 EPS Foam Top 1 6 A 00004047 32 D001922 Power Cord 1 7 CB 00004287 32F3018003 Monitor Cable 1 8 CB 00000544 32F2818004 Audio Cab...

Page 73: ...ion Confidential Do Not Copy 70 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 74: ...IGHT MENU TURBO LED_OR AUDIOR AUDIOR AUDIOL AUDIOL V33C B8 PANEL_INTERFACE STB POL GVOFF STV OE CPV V33P V12A V5A BR2N BR2P BR1N BR1P BR0N BR0P BG2N BG2P BG1N BG1P BG0N BG0P BB2N BB2P BB1N BB1P BB0P B...

Page 75: ...L1 VPLL1 1 2 L11 L11 R103 0603 100R 5 R103 0603 100R 5 R210 0603 30K 5 R210 0603 30K 5 C68 0603 100n 25V 7 C68 0603 100n 25V 7 C55 1206 10u 16V X PbF C55 1206 10u 16V X PbF 1 2 L17 L17 R214 0603 0R 5...

Page 76: ...R14 0603 4 7K 5 RoHS TP 1 VIN_12V1 VIN_12V1 TP 1 V5A1 V5A1 LP3 FBMJ2125HS420 PbF LP3 FBMJ2125HS420 PbF R182 0603 10K 5 RoHS R182 0603 10K 5 RoHS 1 VOL_ADJ1 VOL_ADJ1 FP1 3216FF 1206 3A RoHS FP1 3216FF...

Page 77: ...X 3 3 RoHS R203 0603 2K 1 R203 0603 2K 1 1 2 D9 B240A F D9 B240A F 1 2 D35 1N4148WS F D35 1N4148WS F C52 1206 22u 16V Y RoHS C52 1206 22u 16V Y RoHS GND 1 VOUT 2 VIN 3 VOUT 4 U4 LM1117MPX 3 3 RoHS U4...

Page 78: ...3 100n 25V X RoHS 1 2 D30 BZT52 C5V6S RoHS D30 BZT52 C5V6S RoHS 1 2 D33 UDZSF 5 6B PbF D33 UDZSF 5 6B PbF D2 0603 10p varistor OPEN D2 0603 10p varistor OPEN R136 0603 3 9K 5 RoHS R136 0603 3 9K 5 RoH...

Page 79: ...C33 0603 100n 25V 7 1 2 3 D16 BAV70W D16 BAV70W R40 0603 10R 5 RoHS R40 0603 10R 5 RoHS C162 0603 100p 50V N C162 0603 100p 50V N 1 2 D17 UDZSF 5 6B RoHS OPEN D17 UDZSF 5 6B RoHS OPEN R46 0603 10R 5 R...

Page 80: ...1K 5 RoHS OPEN R2 0603 1K 5 RoHS OPEN C1 0603 100n 25V Y RoHS OPEN C1 0603 100n 25V Y RoHS OPEN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN3 HEADER 10_2 RoHS CN3 HEADER 10_2 RoHS 1 2 L3 MPZ1608S221 RoHS L3...

Page 81: ...23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 CN2 IL FHR F36S HF RoHS CN2 IL FHR F36S HF RoHS 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15...

Page 82: ...ViewSonic Corporation Confidential Do Not Copy 79 11 PCB Layout Diagrams VG2030m 1...

Page 83: ...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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