ViewSonic VG2030wm-1 User Manual Download

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ViewSonic VG2030wm-1

Model No. VS11

425

20” Color TFT LCD

Display

(VG2030wm-1_SM Rev. 1a Nov. 2006)

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

Service Manual

Summary of Contents for VG2030wm-1

Page 1: ...ViewSonic VG2030wm 1 Model No VS11425 20 Color TFT LCD Display VG2030wm 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: ...otices 1 2 Specification 3 3 Front Panel Function Control Description 11 4 Circuit Description 17 5 Adjustment Procedure 21 6 Troubleshooting Flow Chart 36 7 Block Diagram 39 8 Schematic Diagrams 40 9...

Page 4: ...disconnecting from input connector 3 Wipe off water drop immediately Long contact with water may cause discoloration or spots 4 When the panel surface is soiled wipe it with absorbent cotton or other...

Page 5: ...5 2 Handling and Placing Methods Correct Methods Incorrect Methods Only touch the metal frame of the LCD panel or the front cover of the monitor Do not touch the surface of the polarizer Surface of t...

Page 6: ...1 and Hot Plug Detect DDC Yes Detached cable refer the Appendix A DVI D Cable 1 8m black with PC 2001 Yes refer the Appendix A Audio Cable 1 8m black with PC 2001 Yes MIC Cable 1 8m black with PC 2001...

Page 7: ...s Video Cable Connector Pin out Refer to Appendix A Compliant DDC 2B Video Signals Video RGB Analog Separate Sync Composite Sync SOG TMDS Digital Video Impedance 75 Ohms Analog 100 Ohms Digital Maximu...

Page 8: ...temperature Power Supply Transient Immunity Shall be able to withstand an ANSI IEEE C62 41 1980 6000V 200 ampere ring wave transient test with no damage Power Supply Line Surge Immunity Shall be able...

Page 9: ...KHz 9 640 x 480 85 Hz 43 3 KHz 10 720 x 400 70 Hz 31 5 KHz For Analog sync OSD will be 640x400 70Hz 720x400 70Hz Promary 720x400 70Hz 11 720 x 480 60 Hz 31 5 KHz 12 720 x 576 50 Hz 31 3 KHz 13 800 x...

Page 10: ...Hz 55 5 KHz 41 1440 x 900 75 Hz 75 KHz 42 1600 x 1200 60 Hz 75 KHz 43 1680 x 1050 60 Hz 64 7 KHz For Analog sync switch 1680x1050 60Hz and 1400x1050 60Hz by 1 2 short cut key primary 1680x1050 60Hz 1...

Page 11: ...s Min 300 cd m2 Typ after 30 minute warm up Luminance Center CT 6500K Contrast Brightness Max 240 cd m2 Min after 30 minute warm up Brightness Uniformity 80 Typ 75 Min Contrast Ratio 800 1 Typ 600 1 M...

Page 12: ...Def Lv Max x 100 95 Lv sRGB 6500K Condition Brightness Contrast Default CCT 6500K sRGB Lv sRGB 6500K Lv Max x 100 85 Lv 9300K Condition Brightness Contrast Default CCT 9300K Lv 9300K Lv Def x 100 70...

Page 13: ...NITS OF SHIP MENT SHALL BE EQUAL OR BETTER THAN TYPICAL CR SPEC Contrast 100 Brightness 100 Test pattern 6gray 4 6 LEVEL SATURATION 10 MECHANICAL Dimension Desktop Width 493 mm 19 4 inch Height Height...

Page 14: ...menu options and adjusts 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...

Page 15: ...or down T buttons 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...

Page 16: ...Audio Adjust 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 te...

Page 17: ...R green G 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...

Page 18: ...and or graphics with pixel boundaries NOTE Try Auto Image Adjust first Sharpness adjusts the clarity and focus of the screen image Setup Menu displays the menu shown below Language Select allows the...

Page 19: ...f time the OSD screen is displayed For example with a 30 second setting if a control is not pushed within 30 seconds the display screen disappears OSD Background allows the user to turn the OSD backgr...

Page 20: ...ithm for TMDS capability Data enable only mode support High Bandwidth Digital Content Protection HDCP 1 1 optional only in H version Enhanced protection of HDCP secret key optional only in H version A...

Page 21: ...algorithm to have better performance in DVI RX Display Output Timing The display output port sends single double pixel data transfer and synchronized display timing to an external device The display p...

Page 22: ...to get a larger bandwidth letting the system fast locking PLL2 finally synthesize the desired pixel sampling clock The block diagram shown below describes our high performance tracking system Host In...

Page 23: ...Watchdog timer with programmable interval Three 16 bit counters timers T0 T1 and T2 One PLL to provide programmable operating frequency and clock output 2 clock output ports One full duplex serial por...

Page 24: ...5kHz 12 720 x 576 50Hz 31 3kHz 13 800 x 600 50Hz 24 7kHz 14 800 x 600 56Hz 35 1kHz 15 800 x 600 60Hz 37 9kHz 16 800 x 600 70Hz 43 kHz 17 800 x 600 72Hz 48 1kHz 18 800 x 600 75Hz 46 9kHz 19 800 x 600 8...

Page 25: ...kHz 39 1400 x 1050 60Hz 65 3 kHz 40 1400 x 900 60Hz 55 5 kHz 41 1400 x 900 75Hz 75 kHz 42 1600 x 1200 60Hz 75 kHz 43 1680 x 1050 60Hz 64 7 kHz 1280 x 720 50Hz 37 5 kHz 1280 x 720 60Hz 45 kHz 1280 x 76...

Page 26: ...y VG2030wm 1 Fine Line Morie Pattern Figure1 Gray Scale Pattern Figure2 Horizontal Vertical Thickness Pattern Figure 3 R Color Pattern Figure 4 G Color Pattern Figure5 B Color Pattern Figure 6 Full Wh...

Page 27: ...he latest version 1 5 4 DDC Test Pattern EDID program Make sure it can pass test program 1 5 5 Fine Tune and Sharpness Test Signal 1680 1050 60Hz Test Pattern Line Moire Pattern Check and see if the i...

Page 28: ...12 Audio Test Signal Voice signal optional depend on model Test Pattern liberty Make sure there is audio output Make sure that audio function volume 80 is working without noise and resonance Make sure...

Page 29: ...WM1 Monitor Fixture for Firmware Upgrade VGA Cable PC Personal Computer LPT Cable Firmware Upgrade Program One additional monitor for checking the program execution 2 2 Setup Procedure 2 2 1 Connect P...

Page 30: ...4 Download program finish Pressing the OK Button to finish the download program procedure Trouble shooting If you find the status like the follow picture Please check the following item a The connect...

Page 31: ...do the DDC key in 3 1 Equipment Needed VG2030WM1 Series Monitor DDC Card PC RS232 cable DVI DVI Cable Barcode Reader VGA Cable VG2030WM1 DDC Card PC RS232 cable VGA cable BAR code reader 3 2 Setup Pro...

Page 32: ...Press ENTER key 3 When appear the PIC choose DDC Card Press ALT 2 Enter DDC 2B test interface Choose DDC Card 4 Press F8 to choose corresponding model DAT VG2030A DAT press ENTER key VG2030_A means th...

Page 33: ...in the serial number or use the barcode reader to scan the barcode of the monitor and press ENTER key 7 The successful picture is as follows Compare EDID OK Press any key to continue 30 ViewSonic Cor...

Page 34: ...the bag Figure 2 1 3 Put the cushions on the LCD TV Figure 3 1 4 Place the LCD TV into the carton and then Put the other cushions on the LCD TV put all the accessories into the carton At last close th...

Page 35: ...ver from LCD TV 1 1 Detach Dust Cover from the LCD TV and Unscrew 4 screws that secure Stand Unit 2 Disassembly of Rear Cover 2 1 Unscrew 4 screws to remove Rear Cover Stand Dust Cover Rear Cover 32 V...

Page 36: ...er Board IR Board Speaker Front Cover and Panel Unit 3 1 Unscrew 2 screws to remove Bracket fix 3 2 Unscrew 15 screws to remove Front Bezel and Shield Plate Shield Plate 33 ViewSonic Corporation Confi...

Page 37: ...ew 5 screws and disconnect the wires to remove Power Board 3 3 Unscrew 2 screws and disconnect the wires to remove Main Board Main Board Power Board 34 ViewSonic Corporation Confidential Do Not Copy V...

Page 38: ...3 4 Lay Panel Unit facedown and unscrew 4 screws on its right left sides to remove Panel Unit and Panel Bracket Panel Bracket Panel 35 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 39: ...36 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 6 Troubleshooting Flow Chart...

Page 40: ...6 1 NO POWER 6 2 MCU NO FUNCTION 37 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 41: ...6 3 NO DISPLAY 38 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 42: ...39 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 7 Block Diagram...

Page 43: ...7 8 9 Q102 NC MMBT3904 B E C R111 47K R109 22K R110 220 C108 100nF R102 100 R105 1K M1 PIN I101 ATC1084_3Y3_252 I G O VIN GND VOUT R103 0 NC R112 10K L102 200R 2A 0805 C107 100nF M2 PIN R101 1K Q104 M...

Page 44: ...186 0R R113 56 D107 1N LL4148 A K R128 0R C114 0 047U 1 2 C109 0 047U 1 2 Q109 MMBT3904 B E C R121 56 D115 NC D108 1N LL4148 A K L104 100 C156 NC 5pF R124 2K2 R115 56 D103 1N LL4148 A K D113 5V6 A K D...

Page 45: ...46 59 72 83 95 108 60 71 84 96 107 50 51 57 55 54 53 52 48 58 61 62 63 64 65 66 67 68 69 121 120 73 74 75 76 77 78 79 80 81 82 85 86 87 88 89 90 91 92 93 94 97 98 99 100 101 102 103 104 105 114 115 1...

Page 46: ...WP A2 A1 A0 R193 10K C142 10uF 16V R192 10K C141 100nF C153 100nF X101 24MHz 1 2 3 R161 22 C147 100nF R179 820 R160 22 R153 100 MCU I106 MTV512 RTD2120 44 45 46 47 48 1 2 3 4 8 15 16 17 41 40 39 38 3...

Page 47: ...610 100K L603 15uH C611 0 1u 0805 L606 15uH R604 NC 1K R612 10K C617 1UF R607 4 7K L604 15uH R615 10K C601 1500uF 10V R602 10K NC C602 100n C620 220P 0603 C609 10n 0603 C613 1UF L607 80R DIP R601 NC 1...

Page 48: ...er IN 1 9 LVDS output connector X1 MCU D SUB DVI KEY connector 10 1 4 1 Speaker RTD 2553V 100mm 90mm Earphone 1 29 30 2 9PIN 45 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 Model Title Da...

Page 49: ...ontral_key_pad GREEN ORANGE LED_ORANG POWER LED_GREEN GND D701 S701 P701 CON4 P 2 0mm 4 3 2 1 4 3 2 1 46 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 Model Title Date Rev ViewSonic Corpor...

Page 50: ...ion Key Board DOWN UP GND MENU SELECT MUTE_S S705 S702 P702 6 5 4 3 2 1 S703 S706 S704 47 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 Model Title Date Rev ViewSonic Corporation Founction...

Page 51: ...RV2 PGND NDRV1 GNDA VIN V5000 ISEN LCT CT HSB DIM ENA CMP_SST VSEN PDRV1 R913 5 1K R912 5 1K Q906 2N3904 C910 0 033uF 1 2 R947 0R 1 4WS R937 649F R911 5 1K 1206 C929 5 6P 3KV NPO 1 2 R936 649 F R956 1...

Page 52: ...F L803 ET20 30mH I801 LD7575 6 5 8 2 4 1 7 3 Vcc Drv HV FB GND Adj NC CS C801 0 22uF X2 R814 0R D808 RLZ15 R810 0R C810 NC TL431D I803 D803 UF4004G R817 NC C817 0 1U Q801 AP2761GI A Q803 NC 3 2 1 C82...

Page 53: ...50 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 9 Schematic Diagrams 9 1 MAIN PCB TOP VIEW...

Page 54: ...9 2 MAIN PCB BOTTOM VIEW 51 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 55: ...9 3 CON PCB TOP VIEW 52 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 56: ...9 4 CON PCB BOTTOM VIEW 53 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 57: ...9 5 IR PCB TOP VIEW 54 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 58: ...9 6 IR PCB BOTTOM VIEW 55 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 59: ...9 7 POWER PCB TOP VIEW 56 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 60: ...9 8 POWER PCB BOTTOM VIEW 57 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 61: ...58 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1 10 Exploded Diagram and Exploded Parts List...

Page 62: ...59 ViewSonic Corporation Confidential Do Not Copy VG2030wm 1...

Page 63: ...E ISZZTER001A M3 6L MSWR17 FZMYI 3 13 N A 2071678600P SHIELD PLATE VG2030WM DUAL SPTE T 0 3mm 1 14 N A 2082630042P SCREW M3 4 P 0 5 5 15 N A 2071884600P BRACKET FIX VG2030WM HINGE FIX SECC T 1MM 1 16...

Page 64: ...00P VG2030WM EPS L 1 5 N A 2013228806P POLYETHY BAG 1 6 DC 00008164 2438501251P OWNER GUIDE 1 7 DC 00008163 2002310599P GUARANT CARD QSG 1 8 A 00005362 2427130046P AC POWER CORD 1 9 CB 00005735 242772...

Page 65: ...P 6P80 14 LCD Panel 20 Wide TFT M201EW02 V 0 AUO E 00006217 2212011210P V901 15 Speaker Right E 00008185 2391302007P W902 16 Speaker Left E 00008186 2391302008P W901 17 Polyethy Bag 90CMX75CMX0 02t PE...

Page 66: ...ASS Y BLACK C 5B01 1 40 N A 2044269001P FUNCTION KEY VG2030WM POWER KEY ABS HB AL PLATE 1F02 1 41 N A 2044270701P FUNCTION KEY VG2030WM ABS HB AL PLATE 1F04 1 42 M MS 0808 9214 2051352100P NAME PLATE...

Page 67: ...F T R937 1 115 N A 2251364906P RES CHIP 1 8W RC 0805 1 8 W 649ohm F T R938 1 116 N A 2251364906P RES CHIP 1 8W RC 0805 1 8 W 649ohm F T R939 1 117 N A 2251364906P RES CHIP 1 8W RC 0805 1 8 W 649ohm F...

Page 68: ...396P RES CHIP 1 10W RC 0603 1 10W 30Kohm J T R141 1 193 N A 2253233096P RES CHIP 1 10W RC 0603 1 10W 33 ohm J T R616 1 194 N A 2253233196P RES CHIP 1 10W RC 0603 1 10W330 ohm J T R170 1 195 N A 225323...

Page 69: ...1 272 N A 2287247112P CAP CER Y2470p 250V Y5V P 7 5 M K C803 1 273 N A 2287247112P CAP CER Y2470p 250V Y5V P 7 5 M K C804 1 274 E C 0404 1855 2287247212P CAP CER Y2 4700p 250V Y5V P 10 0 M K C828 1 27...

Page 70: ...C133 1 350 E C 0404 3815 2346410496P CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z T C134 1 351 E C 0404 3815 2346410496P CAP CHIP 85 C CS 0603 Y5V 50V 0 1u Z T C136 1 352 E C 0404 3815 2346410496P CAP CHIP 8...

Page 71: ...0402 1607 2360100796P XISTOR PNP R SMD MMBT3906 F SOT 23DIODES Q108 RC 1 433 N A 2360100896P XISTOR PNP R SMD MMBT3906LT1G SOT 23 ON Q105 RA 1 434 N A 2360100896P XISTOR PNP R SMD MMBT3906LT1G SOT 23...

Page 72: ...0696P DIODE SWITCH RLS4148 T11 SOD80C ROHM D103 RB 1 512 E 00003534 2363600696P DIODE SWITCH RLS4148 T11 SOD80C ROHM D104 RB 1 513 E 00003534 2363600696P DIODE SWITCH RLS4148 T11 SOD80C ROHM D105 RB 1...

Page 73: ...DIODE SWITCH SMD BAV99 SOT 23 PHILIPS D901 RB 1 587 N A 2364601096P DIODE SWITCH SMD BAV99 SOT 23 PHILIPS D902 RB 1 588 N A 2364601096P DIODE SWITCH SMD BAV99 SOT 23 PHILIPS D903 RB 1 589 N A 2364601...

Page 74: ...Z 200 ohm 0805 I 2 0A L101 1 666 E 00003533 2379520196P BEAD HI CURRENT Z 200 ohm 0805 I 2 0A L102 1 667 N A 2379820196P BEAD HI IMPEDANCE Z 200 ohm 200MHZ 0805 200mA L105 1 668 N A 2379820196P BEAD H...

Page 75: ...8106125P JUMPER 0 6 12 5mm F901 1 727 N A 2428106125P JUMPER 0 6 12 5mm J821 1 728 N A 2428106125P JUMPER 0 6 12 5mm J839 1 729 N A 2428106125P JUMPER 0 6 12 5mm J912 1 730 N A 2428106125P JUMPER 0 6...

Page 76: ...rcuit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Block Diagrams 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded Diagram and Exploded Parts List 11 Recommended Spare Parts...

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