ViewSonic VP720B Service Manual

ViewSonic VP720B - ThinEdge - 17" LCD Monitor Manual

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  • ViewSonic VP720B | Service Manual - Page 1
    Service Manual ViewSonic VP720-1 VP720b-1 Model No. VS10927 17" Color TFT LCD Display (VP720-1_VP720b-1_SM Rev. 1a Jan.2006) ViewSonic® 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
  • ViewSonic VP720B | Service Manual - Page 2
    magnetic, optical, chemical, manual or otherwise, without the prior written permission of ViewSonic Corporation. Disclaimer ViewSonic makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranty of merchantability or
  • ViewSonic VP720B | Service Manual - Page 3
    5. Adjustment Procedure 21 6. Troubleshooting Flow Chart 43 7. Block Diagram 47 8. Recommended Spare Parts List 71 9. Exploded Diagram and Exploded Parts List 75 10. Schematic Diagrams 76 11. PCB Layout Diagrams 84 ViewSonic Corporation Confidential - Do Not Copy ii VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 4
    servicing guidelines. 3. Safety Check Care should be taken while servicing this LCD display into an enclosure (LCD monitor housing, for example), LCD module. The LCD module should be supplied by power complied with requirements of Limited ViewSonic Corporation Confidential - Do Not Copy 1 VP720
  • ViewSonic VP720B | Service Manual - Page 5
    by fingers or the front cover of the monitor. Do not touch and that may cause "Mura" the surface of the polarizer. Take out the monitor with cushions Taking out the monitor by grasping the LCD panel. That may cause "Mura" ViewSonic Corporation Confidential - Do Not Copy 2 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 6
    Place the monitor on a clean and soft foam pad. Placing the monitor on foreign objects. That could scratch the surface of the panel or cause "Mura" The panel is placed facedown on the lap. That may cause "Mura" ViewSonic Corporation Confidential - Do Not Copy 3 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 7
    with interlaced video. 3. Power Power Supply Input Voltage Range Power Dissipation 90 to 264 VAC 40 Watts (Typ.) 4. AUDIO INTERFACE (SPEAKER SPECIFICATION) Speaker specification Line input connection 3.5 mm stereo jack Line input signal 1.0 Vrms Line input impedance 22 kOhm Maximum power
  • ViewSonic VP720B | Service Manual - Page 8
    ) - CCT = User Color (R/G/B=100%), Contrast/ Brightness = Max Brightness Uniformity Contrast Ratio Color Depth Horizontal Viewing Angle Vertical Viewing Angle Response Time 10 3 mg per lamp Please see Panel Quality Specifications. ViewSonic Corporation Confidential - Do Not Copy 5 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 9
    KHz 15 800 x 600 @ 72 Hz, 48.1 KHz 16 800 x 600 @ 75 Hz, 46.9 KHz 17 800 x 600 @ 85 Hz, 53.7 KHz 18 832 x 624 @ 75 Hz, 49.7 KHz For MAC 60.2 KHz For Composite and SOG signal, ViewSonic Corporation Confidential - Do Not Copy 6 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 10
    *1. Tolerance ≥ ±2KHz. *2. Any timing not in the list, it should display as normal or show on "OUT OF RANGE" OSD message without blanking. *3. Monitor Weight 376 mm (14.8 inch) 363mm (18.2 inch) 229mm (9 inch) 5.4 Kg (11.9 lbs) ViewSonic Corporation Confidential - Do Not Copy 7 VP720
  • ViewSonic VP720B | Service Manual - Page 11
    Monitor Weight *Refer to Figure 1 Ergonomics Tilt Up Tilt Down Swivel Right Swivel Left Height Adjust Pivot 376 mm (14.8 inch) 320mm (12.6 inch) 68mm (2.7 inch) 3.7 Kg (8.14 lbs) ≥ 20º From 0º down to -3º No No 0 ~ ≥ 100 mm CW 90º Package Specifications ViewSonic Packaging Spec ViewSonic mm (17.1
  • ViewSonic VP720B | Service Manual - Page 12
    the control screen and saves adjustments. ViewSonic Corporation Main Menu with OSD controls Front Control Panel shown below in detail Scrolls through menu options and adjusts the displayed control. Increases the volume, decreases the volume, and mutes the audio. Displays the control screen for the
  • ViewSonic VP720B | Service Manual - Page 13
    x 1024 @ 60Hz video signal to the LCD display. (Look for instructions on "changing the refresh rate" in the graphics card's user guide.) • If necessary, make small adjustments using illuminated "active area" of the LCD display.) ViewSonic Corporation Confidential - Do Not Copy 10 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 14
    work on your LCD display, then lower audio. Color Adjust provides several color adjustment modes, including preset color temperatures and a User Color mode which allows independent adjustment of red (R), green (G), and blue (B). The factory setting for this product is 6500K (6500 Kelvin). ViewSonic
  • ViewSonic VP720B | Service Manual - Page 15
    to the 6500K factory preset. Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. See your graphics card's user guide for instructions on changing the resolution and refresh
  • ViewSonic VP720B | Service Manual - Page 16
    Manual Image Adjust displays the Manual displayed. For example, with a "15 second" setting, if a control is not pushed within 15 seconds, the display screen disappears. OSD Background allows the user to turn the OSD background On or Off. ViewSonic Corporation Confidential - Do Not Copy 13 VP720
  • ViewSonic VP720B | Service Manual - Page 17
    if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual. Exception: This control does not affect changes made with the User Color control, Language Select or Power Lock setting. ViewSonic Corporation Confidential - Do Not Copy 14 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 18
    or Digital) [▼] or [▲] to immediately activate Audio Adjust menu. [▼]+ [▲] recall both of Contrast and Brightness to default [1] + [2] toggle display mode (see segment "Timing Table") [1 White Balance. (Not shown on user's guide) [1] + [▼] Power Lock [1] + [▲] OSD Lock No signal
  • ViewSonic VP720B | Service Manual - Page 19
    LCD Monitor/MFM Controller Feature Analog RGB Input Interface Support up to 150MHz (up to SXGA@75Hz, 1080p) Support Sync-On-Green(SOG) and Composite-Sync(CS) mode Support support user-defined Support 12x18~5x18 proportional font ViewSonic Corporation Confidential - Do Not Copy 16 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 20
    DDC support DDC1, DDC2B, DDC/CI Support PWM output Support low-voltage-reset output Support internal switch can select one of them to display. RTD2363 owns a capability to display YPbPr input source which normally come from DVD ViewSonic Corporation Confidential - Do Not Copy 17 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 21
    Electric Specification DC Characteristics Absolute Maximum Ratings PARAMETER SYMBOL MIN TYP MAX UNITS Voltage on Input (5V tolerant) VIN to provide a self-timed row precharge that is initiated at the end of the burst sequence. ViewSonic Corporation Confidential - Do Not Copy 18 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 22
    tailored for flat panel display applications. It includes an Watchdog timer with programmable interval • Support external counters/timers, T0, T1 supply is below 2.4V (+/-0.4V) for a specific period of time, the LVR generates a ViewSonic Corporation Confidential - Do Not Copy 19 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 23
    AUDIO General description The TDA7496L is a stereo 2W+2W class AB power amplifier assembled in the @ Powerdip 14+3+3 package, specially designed for high quality sound, TV and Monitor Volume CTRL DC voltage 7 V 0 4 8 12 Area(cm2) ViewSonic Corporation Confidential - Do Not Copy 20 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 24
    17" LCD Monitor 1.2 Test Equipment - Color Video Signal & Pattern (or PC with SXGA resolution and a sound card) 1.3 Test Condition Before function test and alignment, each LCD Monitor V=75Hz) 1.4 Test Display Modes & Pattern 1.4.1 ViewSonic Corporation Confidential - Do Not Copy 21 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 25
    17 97kHz 1.4.2 Function Test Display Pattern Item Test Content Pattern Specification Remark 1 Frequency & spec. 7 White Balance White & Black The screen must have the Figure 9 Pattern pure white and black pattern, no other color. ViewSonic Corporation Confidential - Do Not Copy 22 VP720
  • ViewSonic VP720B | Service Manual - Page 26
    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) ViewSonic Corporation Confidential - Do Not Copy 23 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 27
    Keys for Function Controls) first. This action will allow you to erase all end-user's settings and restore the factory defaults. 1.5.2 Auto Image Adjust Please select and quality, the user has to adjust each function manually. ViewSonic Corporation Confidential - Do Not Copy 24 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 28
    Select and enter "Fine Tune" function on "Manual Image Adjust" to adjust the image to eliminate visual by the following steps: (a) Select and enter "Manual Image Adjust" function on OSD Main Menu. (b) - If not, please return the unit to repair area. 1.5.9 Screen Uniformity and Flicker Test Signal:
  • ViewSonic VP720B | Service Manual - Page 29
    well adjusted and compliant with the specification, the secondary display modes will be great possible to be compliant with the spec. But we still have to check Power Off Monitor Turn off the monitor by pressing "Power" button. ViewSonic Corporation Confidential - Do Not Copy 26 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 30
    Port PC VP720 LPT Cable 2.2 Setup Procedure 2.2.1 Connect P2 of Fixture with printer port of PC by LPT Cable. 2.2.2 Connect P1 of Fixture with Monitor by VGA Cable. 2.2.3 Connect Power Cord to Monitor. 2.2.4 Connect PC to the additional monitor. VGA Cable ViewSonic Corporation Confidential
  • ViewSonic VP720B | Service Manual - Page 31
    I. ISP Download program procedure 1 Hardware Connect status: 2 Down load isp program Step 1: Execute ISP.exe ViewSonic Corporation Confidential - Do Not Copy 28 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 32
    the Creat Security File Button to enter step 3. Step 3: Creat Security File Enter the three string into the blank like fig 2. Then press OK Button. ViewSonic Corporation Confidential - Do Not Copy 29 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 33
    Step 4: Load file Press the Load MCU File button to select the file will be download. (*.hex) Step 5: Run Pressing the Run Button to start download program. Press OK button to Enter ISP mode. ViewSonic Corporation Confidential - Do Not Copy 30 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 34
    result shows "passed," it means the connection is well. If not (failed), it means the connection has problems. Then you need to check the setup procedure or reboot the PC, or simply use another PC to do the firmware upgrade. ViewSonic Corporation Confidential - Do Not Copy 31 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 35
    not conform to the monitor, you have to do the DDC key in. 3.1 Equipment Needed - VP720 Series Monitor - DDC Card - PC - RS232 cable - DVI-DVI Cable - Barcode Reader - VGA Cable VP720 DDC Card PC RS-232 Cable DVI-DVI Cable Barcode Reader VGA Cable ViewSonic Corporation Confidential - Do Not
  • ViewSonic VP720B | Service Manual - Page 36
    RS-232 Cable and VP720 with VGA Cable. 4.(when key in DVI DDC information, use VGA transform to DVI port ) 5.Connect Power Cord to VP720 Monitor. 3.3 DDC Key In Procedure 1.Run DDC.exe 2.Choose model number and conform the Time then Press "ENTER" key. ViewSonic Corporation Confidential - Do Not
  • ViewSonic VP720B | Service Manual - Page 37
    the PIC " choose DDC Card", Press ALT+2 .Enter DDC 2B test interface. Choose DDC Card 4.Press F8 to choose corresponding model.DAT(VP720-A.DAT press"ENTER" key) VP720_A means the DDC under analog mode. VP720-D means the DDC under digital mode. ViewSonic Corporation Confidential - Do Not Copy 34
  • ViewSonic VP720B | Service Manual - Page 38
    5.Press F9 enter the download interface 6.Key in the serial number or use the barcode reader to scan the barcode of the monitor, and press "ENTER" key. ViewSonic Corporation Confidential - Do Not Copy 35 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 39
    7.The successful picture is as follows. "Compare EDID ：OK! Press any key to continue". 8.Let VP720 active, then see the information in OSD, it shows "Serial NO : PXX054700001" ViewSonic Corporation Confidential - Do Not Copy 36 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 40
    3.4 check method Use ViewSonic EDID Editor Connect the VP720 to PC with VGA Cable. Excute the EDID Editor, then Press Ctrl+F5. If the DDC is correct, you can see the information as follow: ViewSonic Corporation Confidential - Do Not Copy 37 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 41
    Disassembly Procedure 1. Disassembly of Stand unit from Monitor 1.1 Unscrew four screws that secure Stand Unit. Stand 2. Disassembly of Front Cover,Rear Cover and Speaker. 2.1 Detach Front Cover from monitor. ViewSonic Corporation Front Cover Confidential - Do Not Copy 38 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 42
    2.2 Unscrew 6 screws to remove Rear Cover. 2.3 Disconnect the wires to remove Speaker module. Rear Cover ViewSonic Corporation Speaker Confidential - Do Not Copy 39 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 43
    3. Disassembly of Power Board,Main Board,Keypad Board and Panel Unit 3.1 Unscrew 6 screws to remove Shielding Plate. Hinge Shielding Plate 3.2. Unscrew 4 screws and disconnect the wires to remove Power Board. ViewSonic Corporation Power Board Confidential - Do Not Copy 40 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 44
    Board 3.4. Lay Panel Unit facedown and unscrew 4 screws on its right and left sides to remove Panel Unit and Keypad Board. Panel Unit Panel Bracket ViewSonic Corporation Keypad Board Confidential - Do Not Copy 41 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 45
    1.4 Place the monitor into the carton and then put all the accessories into the carton. At last, close the carton and seal it with tape. (Figure 5) Power Cord Audio Cable DVI Cable VGA Cable Figure 4 ViewSonic Corporation User's Guide Figure 5 Confidential - Do Not Copy 42 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 46
    6. Trouble Shooting Flow Chart START CHECK MAIN BOARD 5V OK ? Y 3.3V OK? Y 1.8V OK? Y 2.5V OK? N CHECK POWER BOARD OK? N OK? CHECK I102 3.3V UROUND CAP OK ? CHECK I101 1.8V UROUND CAP OK ? CHECK I105 2.5V UROUND CAP OK ? ViewSonic Corporation Confidential - Do Not Copy 43 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 47
    OK? CHECK X102,C232 C233 OK ? CHECK PIN15,PIN16 CLOCK OK ? N CHECK TRACE OK ? CHECK N I106 EVERY TWO PIN SHORT ? CHECK KEYPAD P107 OK ? PANEL ViewSonic Corporation Confidential - Do Not Copy 44 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 48
    6.3. NO DISPLAY Power key N work ok Y Check N H V sync Y Check R.G.B N DATA Y Check N X101 Y Check I108 HS,VS N HWRESET Y ,110 N Check C104,105,107 R106,107,108 C108,109,110 Y I108 fail or poor soldering ViewSonic Corporation Confidential - Do Not Copy 45 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 49
    6.5. NO AUDIO Check jack P603 N Check Audio cable Check 12V N Check 12V TRACE Check N Check I601 P601 Check speaker ViewSonic Corporation Confidential - Do Not Copy 46 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 50
    1.83M BLACK GUARANT CARD VIEWSONIC VP-SERIES QSG CD-OWNER GUIDE VP720-1 SERIES VS10927 CPT LCD PANEL CLAA170EA-07Q CPT CARTON BOX VIEWSONIC VP720 VS10927 POLYFOAM VP720/EPS(R) POLYFOAM VP720/EPS(L) STAND VP720/ABS 94HB BLACK 4001 ECR/ECN ViewSonic P/N B-00004554 B-00004555 B-00004556 C-00004558
  • ViewSonic VP720B | Service Manual - Page 51
    83M BLACK GUARANT CARD VIEWSONIC VP-SERIES QSG CD-OWNER GUIDE VP720-1 SERIES VS10927 CPT LCD PANEL CLAA170EA-07Q CPT CARTON BOX VIEWSONIC VP720b VS10927 POLYFOAM VP720/EPS(R) POLYFOAM VP720/EPS(L) STAND VP720 ABS 94HB MIDNIGHT GRAY ECR/ECN ViewSonic P/N B-00004554 B-00004555 B-00004556 C-00004567
  • ViewSonic VP720B | Service Manual - Page 52
    BOM LIST (VP720-1) ViewSonic Model Number: VS10927-1W Rev: 1a Serial No. Prefix: PXV Item 1 2 3 4 5 ViewSonic P/N #N/A #N/A #N/A 1u Z T 16 E-C-0404-3815 2346410496P CAP,CHIP 85'C CS 0603/Y5V/50V 0.1u Z T 17 E-C-0404-3815 2346410496P CAP,CHIP 85'C CS 0603/Y5V/50V 0.1u Z T 18 E-C-0404-4425
  • ViewSonic VP720B | Service Manual - Page 53
    94 95 96 97 98 99 100 101 102 103 104 105 106 107 ViewSonic P/N E-C-0404-3815 E-C-0404-3815 E-C-0404-3815 E-C-0404-3815 E-C-0404-3815 E-C- 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 50 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 54
    Item ViewSonic P/N 132 E-D-0403-1779 133 E-D-0403-2808 134 #N/A 135 E-D-0403-1779 136 E-D-0403-2808 " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 51 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 55
    Item ViewSonic P/N 182 #N/A 183 #N/A Ref. P/N 2365100896P 2365808596P Description MEMORY IC AT24C02N- 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 52 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 56
    309 310 311 312 313 314 315 316 317 318 319 320 321 322 ViewSonic P/N E-R-0405-6409 E-R-0405-6409 E-R-0405-6409 E-R-0405-6409 E-R-0405-6409 E-R-0405 " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 53 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 57
    TSAA-2 HUAJIE TACT SWITCH TSAA-2 HUAJIE TACT SWITCH TSAA-2 HUAJIE PC BOARD VP720 K/B FR1 125*12 LED 3 GRN/YEL WIRE HARNESS 8/8P H/B 2651#28 " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 54 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 58
    Item 391 392 393 ViewSonic P/N #N/A E-D-0403-2041 E-00003534 Ref. P/N 2364600496P 2364600396P 2363600696P 000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 55 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 59
    515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 ViewSonic P/N #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 56 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 60
    Item ViewSonic P/N 531 #N/A 532 E-D-0403-2009 533 E-D-0403-1531 534 E-D-0403-1671 535 #N/A 536 E-D- " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 57 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 61
    Item ViewSonic P/N 606 M-WR-0828-0450 607 M-WR-0828-0478 608 M-WR-0828-0478 609 M-WR-0828 " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 58 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 62
    FRONT BEZEL VP720 ABS 94HB PS7604B 1F01 FUNCTION KEY VP920/ABS 94HB PS7604B 1F02 LED INDIC.-PWR VP920/PMMA 94HB 1F03 NAME PLATE VIEWSONIC BIRD LOGO FFC 30P*1.0mm*L180mm P980 LCD PANEL CLAA170EA-07Q CPT V901 METAL FITTG VP720/SECC T=0.6 5F01 SHIELD PLATE VP720/SPTE T=0.3 5F02 SCREW,SPE
  • ViewSonic VP720B | Service Manual - Page 63
    BLACK P961 I/O CABLE DVI/DVI 20276(3+6) 1.83M BLACK P971 CABLE EAR 3.5(577C) 2547#28 1.8M BLK P984 LABEL VIEWSONIC INSET PAGE-1280X1024 6P06 CD-OWNER GUIDE VP720-1 SERIES VS10927 CPT 6P80 GUARANT CARD VIEWSONIC VP-SERIES QSG 6P84 POLYETHY BAG 250mmX350mmX0.3t ADD>PE-LD< 6P85 CARTON BOX
  • ViewSonic VP720B | Service Manual - Page 64
    VP720b-1) ViewSonic Model Number: VS10927-1W Rev: 1a Serial No. Prefix: PXW Item ViewSonic 2346410496P CAP,CHIP 85'C CS 0603/Y5V/50V 0.1u Z T 17 E-C-0404-3815 2346410496P CAP,CHIP 85'C CS 0603/Y5V/50V " 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 61 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 65
    146 147 148 149 150 151 152 153 154 155 156 157 158 159 ViewSonic P/N E-C-0404-3815 E-C-0404-3815 E-C-0404-3815 E-C-0404-3815 E-C-0404-3815 E-C-0404 " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 62 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 66
    227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 ViewSonic P/N E-D-0403-1892 E-00003830 E-00003534 #N/A E-D-0403-1892 E-00003830 E-00003534 #N/A 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 63 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 67
    309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 ViewSonic P/N #N/A E-R-0405-6409 E-R-0405-6409 E-R-0405-6410 E-R-0405-6409 E-R-0405-6409 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 64 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 68
    SWITCH TSAA-2 HUAJIE TACT SWITCH TSAA-2 HUAJIE TACT SWITCH TSAA-2 HUAJIE PC BOARD VP720 K/B FR1 125*12 LED 3 GRN/YEL WIRE HARNESS 8/8P H/B 2651#28 000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 65 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 69
    474 475 476 477 478 479 480 481 482 483 484 485 486 487 ViewSonic P/N E-00003534 E-00003830 #N/A #N/A #N/A #N/A E-Q-0402-1180 E-Q-0402-1376 E-Q-0402 " 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 66 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 70
    555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 ViewSonic P/N #N/A #N/A #N/A #N/A #N/A E-00003555 E-C-0404-1424 E-C-0404-4833 E-C-0404-1833 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 67 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 71
    Item ViewSonic P/N 570 #N/A 571 #N/A 572 E-D-0403-0531 573 #N/A 574 #N/A 575 E-D-0403-1683 576 #N/A 577 000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 68 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 72
    HEAT SINK AL60635-T5 HEAT SINK JT178QP AL6063S-75 30*20*15 HEAT SINK VP720/920 AL 25LX11WX10H TAPE SCREW,BND T+ M3X8(BND T+) SCREW,BND T+ M3X8( 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" 1.000" ViewSonic Corporation Confidential - Do Not Copy 69 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 73
    CD-OWNER GUIDE VP720-1 SERIES VS10927 CPT GUARANT CARD VIEWSONIC VP-SERIES QSG POLYETHY BAG 250mmX350mmX0.3t ADD>PE-LD< CARTON BOX VIEWSONIC VP720b VS10927 LABEL VP720B VS10927(M) CPT LABEL VIEWSONIC 4ms STICKER 103X50mm LABEL VIEWSONIC CONTAINER LABEL POLYFOAM VP720/EPS(R) POLYFOAM VP720/EPS
  • ViewSonic VP720B | Service Manual - Page 74
    8. Exploded View And Exploded Parts List ViewSonic Corporation Confidential - Do Not Copy 71 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 75
    ViewSonic Corporation Confidential - Do Not Copy 72 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 76
    ViewSonic P/N Ref. P/N Description Q'ty 1-1 #N/A 2024271202P FRONT BEZEL VP720 ABS 94HB PS7604B 1 1-2 #N/A 2024271201P FRONT BEZEL VP720 NECK VP/ARM UP-B ABS 94HB BLACK C 1 16-2 #N/A 17-1 #N/A 17-2 #N/A 2028554602P NECK 2028554701P NECK 2028554702P NECK uP-B ABS 94HB Midnight
  • ViewSonic VP720B | Service Manual - Page 77
    PXW Item ViewSonic P/N Ref. P/N Location Q'ty VP720b monitor 1 1 M-MS-0808-1317 2013053000P POLYETHY BAG 1 2 P-00004565 2012183700P POLYFOAM (R) 1 3 P-00004566 2012183800P POLYFOAM (L) 1 BASE ASS'Y 1 4 #N/A 2013054020P POLYETHY BAG 1 5 DC-00004562 2438501222P CD-OWNER GUIDE
  • ViewSonic VP720B | Service Manual - Page 78
    I103 DDR MEMORY IC 2.5V DDC-SDA I106 DDC-SCL MTV512GMG64 I107 24LC16 EEPROM SDA SCL ONBACKLITE VOLUME CONTROL STANDBY 12V I601 TDA7496L AUDIO AMP (OPTION) RL R P60 L SPEAKE 3.3V P603 AUDIO IN KEY- PAD LED ViewSonic Corporation Model Title Date Rev: Confidential - Do Not Copy 75
  • ViewSonic VP720B | Service Manual - Page 79
    3VCC 1.5A Max TMDS 3V3A PLL 3V3A + C139 C140 100uF_16V 100nF E L104 FEB_1206 E VP720 R255 0ohm, Q109 R253 R254 NC VP920 R255 NC R126 1K + C133 10uF/50V 5VCC R138 1.5K ViewSonic Corporation Model DC Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 76 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 80
    A-GND SHEL12 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C1 C2 C3 C4 C5 26 DVI-CON RX2N RX2P RX2N 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CON30p ViewSonic Corporation Model INPUT & OUTPUT Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 77 VP720-
  • ViewSonic VP720B | Service Manual - Page 81
    # DDR_CS# DDR_CKE RESET_PAD SCSB SCK SDIO 124 123 122 121 GPO[19] GPO[18] GPO[17] GPO[16] GPO[15] GPO[14] GPO[13] GPO[12] GPO[11] / DDC_SCL1b NC/22 DDC1_SDA DDC1_SCL ViewSonic Corporation Model SCALER Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 78 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 82
    DM2 DM3 B3 B10 G3 G10 K8 K11 K12 L2 L3 L9 M2 A2 G11 G2 A11 R161 R162 R163 R164 10K 10K 10K 10K ViewSonic Corporation Model DDR Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 79 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 83
    P6.1/AD1 P6.0/AD0 23 22 21 20 NC NC NC NC NC NC 17 VSS X2 X1 42 43 18 19 6 7 15 16 5VCC BUS_POWER C231 100pF C230 100nF R203 C232 10pF 1M C233 10pF ViewSonic Corporation Model MCU & KEYPAD Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 80 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 84
    in 1 pitch=2mm AUDIO IN PCB OUTL 17 OUTR 14 C605 L604 + 470U/16V C606 L605 + 470U/16V Bead L_OUT Bead R_OUT P601 4 3 2 1 LL+ RR+ SOCKET TO SPEAER L606 Bead ViewSonic Corporation Model AUDIO Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 81 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 85
    1206 D910 EP05Q04 SMD C919 0.068uF DIP R928 3920 1%(CPT/CMO) 2740 1% (HS) 1206 (CPT07Q) R940 (15.4/1%) 82.5 1%(CPT) 33.2 1%(CMO) 75 1%(HS) 1206 OPTION ViewSonic Corporation Confidential - Do Not Copy 82 VP720-1_VP720b-1 ViewSonic Corporation Model INVERTER Title Date Rev:
  • ViewSonic VP720B | Service Manual - Page 86
    /DIP 2K(5V) 1M /1206 I801 LD7552 10uF/50V R852 1/1W 1 GND Driver 8 (10K) 1206 OPTION 6.8/1W C804 NC 2 FB VDD 7 R807 39 1.18K 1%(3.3V) 2.2K 1%(5V) 1.81K(VP720) 1.6K DIP 12V 5V / 3.3V ViewSonic Corporation Model POWER Title Date Rev: ViewSonic Corporation Confidential - Do Not Copy 83
  • ViewSonic VP720B | Service Manual - Page 87
    11. PCB Layout Diagrams 11.1. MAIN PCB TOP VIEW ViewSonic Corporation Confidential - Do Not Copy 84 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 88
    11.2. MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential - Do Not Copy 85 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 89
    11.3. CON PCB TOP VIEW 11.4. CON PCB BOTTOM VIEW ViewSonic Corporation Confidential - Do Not Copy 86 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 90
    11.5. POWER PCB TOP VIEW ViewSonic Corporation Confidential - Do Not Copy 87 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 91
    11.6 POWER PCB BOTTOM VIEW ViewSonic Corporation Confidential - Do Not Copy 88 VP720-1_VP720b-1
  • ViewSonic VP720B | Service Manual - Page 92
    to ViewSonic Corporation. Assessment A. What do you think about the content of this Service Manual? Unit Excellent Good Fair Bad 1. Precautions and Safety Notices 2. Specification 3. Front Panel Function Control Description 4. Circuit Description 5. Adjustment Procedure 6. Troubleshooting
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(VP720-1_VP720b-1_SM
Rev. 1a Jan.2006)
ViewSonic® 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
ViewSonic VP720-1
Model No. VS10927
17” Color TFT LCD Display
Service Manual
VP720b-1