ViewSonic VX710 - 17" LCD Monitor Service Manual
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ViewSonic VX710 - 17" LCD Monitor Service Manual

ViewSonic VX710 - 17" LCD Monitor Service Manual

17” color tft lcd display
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Service Manual

ViewSonic VX710-1
Model No. VS10049
17" Color TFT LCD Display
(VX710_SM_820 Rev. 1d Apr. 2005)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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Summary of Contents for ViewSonic VX710 - 17" LCD Monitor

  • Page 1: Service Manual

    Service Manual ViewSonic VX710-1 Model No. VS10049 17” Color TFT LCD Display (VX710_SM_820 Rev. 1d Apr. 2005) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...

  • Page 2: Revision History

    Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.

  • Page 3: Table Of Contents

    4. Circuit Description 5. Adjustment Procedure 6. Troubleshooting Flow Chart 7. Recommended Spare Parts List 8. Exploded Diagram and Exploded Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 4: Precautions And Safety Notices

    CFL Reflector edge softly. Otherwise the TFT Module may be damaged. (10) At the insertion or removal of the Signal Interface Connector, be sure not to rotate or tilt the Interface Connector of the TFT Module. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 5 (14) The LCD module is designed so that the CCFL in it is supplied by a Limited Current Circuit (IEC60950 or UL1950). Do not connect the CCFL to a Hazardous Voltage Circuit. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 6 "MURA." Do not touch the surface of the polarizer . Take out the monitor by grasping the cushion. If the monitor is removed by grasping the LCD panel, that may cause "MURA." Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 7 Correct Methods : Incorrect Methods : Place the monitor on a clean & soft foam pad . If the monitor is placed on foreign objects, that could scratch the surface of the panel. Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 8: Specification

    3.5mA (Max) at 254VAC / 60Hz EFFICIENCY 70 % typical at 115VAC Full Load Fuse Internal and not user replaceable Power Dissipation 35 Watts (typ) Max Input AC Current 1.2 Arms @ 90VAC, 0.8 Arms @180VAC Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 9 400), there is no “Auto Adjust” feature. 3) The monitor needs to do “Auto Adjust” the first time a new mode is detected. Mode Change Image The image shall blank while the monitor changes modes. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 10 Minimum: 105º @ CR>5 Typical: 145º Minimum: 125º Response Time 8 ms (Tr= 2 ms, Tf = 6 ms) (typ) 10%-90% @ Ta=25°C 16 ms (max) Panel Defects Please see Panel Quality Specifications. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 11 Storage Temperature -20°C to +60°C Operating Relative Humidity 20% to 90% RH Non-Condensing Storage Relative Humidity 5% to 90% RH Non-Condensing Operating Altitude 0 to +3,000 meters Storage Altitude 0 to +12,000 meters Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 12: Front Panel Function Control Description

    Also toggles between two controls on and saves some screens. adjustments. Also a shortcut to toggle analog and digital connection. Power light Green = ON Orange = Power Saving Standby Power On/Off Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 13 • If necessary, make small adjustments using H. POSITION and V. POSITION until the screen image is completely visible. (The black border around the edge of the screen should barely touch the illuminated “active area” of the LCD display.) Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 14 9300K-Adds blue to the screen image for cooler white (used in most office settings with fluorescent lighting). 6500K-Adds red to the screen image for warmer white and richer red. 5400K-Adds green to the screen image for a darker color. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 15 Horizontal Size sharpens the focus by aligning text and graphics with Fine Tune display pixels. adjusts the clarity and focus of the screen image. Sharpness Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 16 Preset Timing Mode listed in this user guide. Exception: This control does not affect changes made with the User Color control, Language and Power Lock setting. Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 17: Circuit Description

    DDC Clock 3.1 Standard conditions Display Area 338 x 270 mm Video Signal 0.7 Vpp Contrast Brightness Max. Ambient 20 +/- 5 °C Input Warming up > 30 min Display 1280 x 1024 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 18 3.4.3 Input impedance Video input : 75 ohms Sync input : > 1 k ohms 4. SIGNAL CABLE : Signal cable with Mini D-Sub 15P connectors at both ends. Length : 1.8 meter. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 19 Time: 16:20:59 Date: Wed Feb 02, 2005 ______________________________________________________________________ VIEWSONIC CORPORATION EDID Version # 1, Revision # 3 DDCTest For: ViewSonic VX710 ______________________________________________________________________ EDID Block 0, Bytes 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 20 Active Time: 1024 lines Blanking Time: 42 lines Sync Offset: 1 lines Sync Pulse Width: 3 lines Border: 0 lines Frequency: 60.02 Hz Digital Separate, Horizontal Polarity (+) Vertical Polarity (+) ______________________________________________________________________ Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 21 Max Horiz. Freq - 82 KHz Pixel Clock - 140 MHz Secondary GTF - Not Supported ______________________________________________________________________ (108-125) Detailed Timing / Descriptor Block 4: Monitor Name: VX710 (126) No Extension EDID Block(s) (127) CheckSum OK Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 22 TIME: 16:21:22 DATE: WED FEB 02, 2005 ______________________________________________________________________ VIEWSONIC CORPORATION EDID VERSION # 1, REVISION # 3 DDCTEST FOR: VIEWSONIC VX710 ______________________________________________________________________ EDID BLOCK 0, BYTES 0-127 128 BYTES OF EDID CODE: ________________________________________ 0 | 00 FF FF FF FF FF FF 00 5A 63...
  • Page 23 ACTIVE TIME: 1024 LINES BLANKING TIME: 42 LINES SYNC OFFSET: 1 LINES SYNC PULSE WIDTH: 3 LINES BORDER: 0 LINES FREQUENCY: 60.02 HZ DIGITAL SEPARATE, HORIZONTAL POLARITY (+) VERTICAL POLARITY (+) ______________________________________________________________________ Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 24 MAX HORIZ. FREQ - 82 KHZ PIXEL CLOCK - 140 MHZ SECONDARY GTF - NOT SUPPORTED ______________________________________________________________________ (108-125) DETAILED TIMING / DESCRIPTOR BLOCK 4: MONITOR NAME: VX710 (126) NO EXTENSION EDID BLOCK(S) (127) CHECKSUM OK Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 25 Blue + Blue - c) OSD: The RTD2523 has a fully programmable, high-quality OSD controller. The on-chip static RAM (4096 words by 24 bits) stores the cell map and the cell definitions. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 26 The desired output voltage is determined by the equation, Volt = 1.25 (1 + R17 / R15). In this case, the output voltage is 2.5 Volts for panel power. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 27 Operation Input Voltage 90~260 Vac, 47 ~ 63Hz Input Current <1.5A Inrush Current <100A@120Vac Standby Input Voltage 12Vdc Output Voltage Regulation +/-5% Output Ripple & Noise 120mVp-p Rate Output Current <3.5A Turn-on delay <3secs Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 28: Adjustment Procedure

    Press the [2] button to cycle among the colors. Press the [1] button to exit the page. Press the [▲] button to increase the selected color level. Press the [▼] button to decrease the selected color level. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 29 Press the [▲] button to highlight the previous item or the [▼] button to highlight the next item. 1) Language Select Item Press the [2] button to enter the language selection page. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 30 Press the [2] button to select the highlighted option. Press the [1] button to exit the page. (8) Memory Recall Page Press the [2] button to execute the memory recall function. Press the [1] button to exit the page. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 31 Press the [1] button to exit the page. (3) Input Select Page: Press the [2] button to switch to analog input mode. (4) Color Adjust Page: Press the [2] button to enter the color adjustment page. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 32 English, French… Option Press the [2] button to select the language. Press the [1] button to exit the page. 2) Resolution Notice Item Press the [2] button to enter the resolution notice page. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 33 Press the [1] button to exit the Contrast Dialog. Press the [2] button to enter the Brightness Dialog. Press the [▲] button to increase the contrast. Press the [▼] button to decrease the contrast. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 34 [2] button to enter Burn Mode. When Installing a New Main Board 1. Enter Factory Mode. 2. Use a PC or chrom to send a 32-tone gray scale signal to the monitor. 3. Select “Auto Color” Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 35 1024 x 768 @ 85Hz, 68.67kHz 1152 x 864 @ 75Hz, 67.5kHz 1152 x 870 @ 75Hz, 68.7kHz 1280 x 1024 @ 60Hz, 63.4kHz 1280 x 1024 @ 75Hz, 79.97kHz 1280x 720 @ 60Hz, 45kHz (HDTV) Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 36 Full black Full black Pattern 7 5-cycle pattern 5-cycle pattern Check the BU Pattern 8 1-dot pattern 1-dot pattern Check the flicker Pattern 9 Pattern 1 Pattern 2 Pattern 3 Pattern 4 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 37 Pattern 5 Pattern 6 Pattern 7 Pattern 8 Pattern 9 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 38 When you received a received monitor , please check whether the firmware version. If not , please following procedure to upgrade to the latest version . 1. Equipment needed : VX710 PC ( Personal computer ) LPT cable Fixture (LM5ISP) Firmware upgrade program Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 39 Software: If OS is Win2000 or WinXP, please install "PORT95NT.exe". In order to ensure that the system can execute the ISP program, please adjust the BIOS settings in the PC or notebook as shown in Fig 0.0. Fig 0.0 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 40 2. Double-click the "PORT95NT.exe" icon in Windows and install the program; see Fig 0.1. Fig 0.1 3. Continue through the installation process by pressing "Next" four times; see Fig. 0.2. Fig. 0.2 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 41 4. Choose "Typical" then press "Next;" see Fig. 0.3. Fig. 0.3 5. Continue through the installation process by pressing "Next" four times; see Fig. 0.4. Fig. 0.4 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 42 1. The user may download the ISP driver and PORT95NT installation package from the Myson Century website (www.myson.com.) 2. The files extracted from the ZIP file are listed in Fig 1.0. Double-click setup.exe to install. Fig 1.0 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 43 3. Press the "Next" button to continue; see Fig 1.1. Fig 1.1 4. Press the "Change" button to change the install path if desired, and then press the "Next" button to continue; see Fig 1.2. Fig 1.2 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 44 5. Press the "Install" button to continue; see Fig 1.3. Fig. 1.3 6. When installation has finished, press the "Finish" button; see Fig 1.4. Fig. 1.4 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 45 3. The warning shown in Fig. 2.3 is used to remind the user that a CPU rate that differs from IIC protocol may cause the ISP functions to fail; press the "OK" button. Fig. 2.3 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 46 4. As shown in Fig. 2.4, press the "Create Security File" button to key in a security code, and use the slider bar to adjust the speed of the IIC bus. S p eed of IIC bus Securit y code Fig. 2.4 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 47 7C, 4C, 77. The command numbers and commands must be set by the user while coding. For more details, please refer to section 6 boot code of ISP. Fig. 2.5 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 48 1. As shown in Fig. 3.1, select the MTV type first, load the binary or intel hex file to be programmed into the MCU, click "OK," then press the "RUN" button. Ste p 2 Ste p 1 Ste p 3 Ste p 4 Fig. 3.1 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 49 3. CRC (cyclic redundancy check): the host can check the result in the CRC register instead of reading every byte in flash. The Check MCU CRC OK message indicates that the host has verified the program's CRC; see Fig.3.2. Fig. 3.2 Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 50: Troubleshooting Flow Chart

    6. Troubleshooting Flow Chart 1. Display color abnormal: Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 51 2.. Monitor can not power on Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 52 3. Monitor white screen Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 53 4. Monitor black screen Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 54 5. Analog input: always shows NO SIGNAL: Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 55 6. Digital input: always shows NO SIGNAL Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 56: Recommended Spare Parts List

    7. Recommended Spare Parts List RECOMMENDED SPARE PARTS LIST (VX710-1) ViewSonic Model Number: VS10049 Rev: 1d Item Description ECR/ECN ViewSonic P/N Ref. P/N Location Q'ty Accessories: VGA cable M-MS-0808-9399 DDL7VDPC005 VGA cable V005(4745) Main board B-00000429 10MBZZZVSH0 main board Removed 12/17/04...
  • Page 57 BOM LIST (VX710-1) ViewSonic Model Number: VS10049 Rev: 1d Item ViewSonic P/N Ref. P/N Description Location Universal No. #N/A 1L7VDZQVS02 L7VD-Q LCD MONITOR(QDI)US B-00002461 29L9IMB00D7 L9I M/B ASSY(FOR L7VD-Q,REALTEK 2523)QDI #N/A L9I204-01 39L9IDP0005 MB Schematic(B3A)TSU16AK #N/A 39L9IDP0005 L9I M/B DIP ASSY(FOR L7VD REALTEK)
  • Page 58 Item ViewSonic P/N Ref. P/N Description Location Universal No. M-MS-0808-9404 EBL7V029015 WIRE CLAMP L7VD(EBL7V029,REV3A) #N/A 23L7VCSVS79 L7VD CHASSIS ASSY(LG) M-MS-0808-9398 DDL7VDTH009 CABLE ASSY L7VD BUTTON-MB(8P/10P,REV1A) M-FC-0809-0845 DDL70LLC308 CABLE ASSY L70L_EB MB-LCD(30P80MM,REV2A) M-SCW-0824-0813 MF30060BBJ6 SCREW F3.0*6-B(NI) #N/A EBL7V030013 PCB SPACER L7VD(EBL7V030,REV3A)
  • Page 59 8. Exploded Diagram And Spare Parts List Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 60 EXPLODED PARTS LIST (VX710-1) ViewSonic Model Number: VS10049 Rev: 1d Item ViewSonic P/N Ref. P/N Description C-FP-0301-0992 EAL7V019019 Bezel C-FP-0301-0994 EAL7V020017 Middle bezel PL-BT-0706-0165 EBL7V027012 CONTROL BUTTON L7VD(EBL7V027,REV3A) M-MS-0808-9401 EBL7V028019 LENS M-MS-0808-9243 FEL7V003019 Logo front -VSC M-MS-0808-9402 FEL7V007014 BIRD LOGO L7VD(FEL7V007,REV3A)

  • Page 61: Packing For Shipment

    Packing for shipment PACKING PARTS LIST (VX710-1) ViewSonic Model Number: VS10049 Rev: 1c Item ViewSonic P/N Ref. P/N Description VX710 1L7VDZQVS02 VX710 unit P-FM-0602-0875 HBL7V007011 END CAP(L) P-FM-0602-0876 HBL7V008018 END CAP(R) DC-00002462 HGL7V014012 User manual & CD A-PC-0106-0224 DM333181G97 Power cord 3P 1.8M...
  • Page 62 Packing procedure 1. Apply protective film to the display surface. 2. Put the monitor in EPE bag and seal the bag with tape. 3. Fit the cushions onto the monitor. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 63 4. Put the monitor into the carton and put all the accessories into the carton. Then close the carton. Q SG Power cord Disassembling the monitor 1. Turn the monitor to face the back and remove the I/O cover. 2. Remove the stand back cover. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 64 3. Remove the four black hinge screws and separate the stand and head pieces. 4. Place the monitor face-down on a soft, flat, stable surface. 5. Separate the back cover and the front bezel. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 65 6. Remove the screws that fix the button board (B/B) and pull the cable out from the connector on the main board (M/B). 7. Remove the B/B. 8. Remove the screws on the PCB shield; remove the PCB shield. Screws Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 66 9. Remove the MB-LCD connector and loosen the four screws on the PCB holder. Screws 10. Separate the PCB holder from the panel. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 67 11. Loosen the four screws on the sides of the panel. 12. Remove the front bezel and panel. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 68 13. Remove the four hexagon screws beside the DVI & D-SUB connectors. 14. Remove the screws that fix the power board and main board. Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 69 DDC-SCL;DDC-SDA POWER HSYNC ,VSYNC Triple ANALOG AR AG AB AIC1563 Interface 3.3V AIC117ADJ 2.5V AIC1117ADJ 24C02 RTD2523 Clock Crystal Panel GEN. 24.576MHz LVDS+ Interface 17” Panel LVDS- CLK+ CLK- EEPROM 24C16 Host Interface Panel MTV312V64 Inverter Switch control Si2301DS ADAPTOR Crystal Keypad Backight...
  • Page 70 +3.3V +3.3V 24LC16 MICRO-CONTROLLER MTV312 AC 90-264V POWER INVERTER +12V +5.0V AIC1739 +2.5V AND AUDIO BOARD 1563 AIC1739 +3.3V Title <Title> BLOCK DIAGRAM Size Document Number <Doc> Date: Friday, October 15, 2004 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 71 RX0+ RX5- RX5+ R161 TXC+ RXC+ R162 TXC- RXC- 0.1U/6/NC Z5.6/NC 1U/6NC Title VGA AND DVI INPUT Z5.6/NC Z5.6/NC Z5.6/NC Z5.6/NC 10K/6NC Size Document Number DISPLAY DVI-D/NC Date: Friday, October 15, 2004 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 72 22/6 BXDIO RTD_SCLK RTD_SDO/SDI TEST POINT SDIO1 TCON9 22/6 YCLK SDIO2 TCON10 22/6 YDIO SDIO3 TCON11 22/6 RTD_SCSB 100/6 RESET DDC_SDA DDC_SCL Title RTD_2523 Size Document Number Date: Friday, October 15, 2004 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 73 DDC_SDA STBY PWR_SEL R125 100/6 P6.7 P3.0/RXD DDC_SCL MTV312M64 R109 4.7K/6 5DVCC VCC12 R108 4.7K/6 HEADER 4 6.8K/6 2K/6 Title MCU & BUTTON Size Document Number DISPLAY Date: Friday, October 15, 2004 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 74 If panel is 3.3V LVDS IF, L30 must add the part 2004/4/14 PANEL_3VCC FEB_0805/NV FEB_0805/NC FEB_0805/NC FEB_0805/NC PANEL_5_12VCC RSDS_CON50/NC Title <Title> PANEL INTERFACE Size Document Number <Doc> Date: Friday, October 15, 2004 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 75 330U/16V/NC AGND MUTE MUTE TDA7496L/NC DTC144EUA/NC AGND L23 BEAD/1206/NC VCC12 AGND AGND AGND R140 10K/6/NC R141 10K/6/NC STBY STBY DTC143EUA/NC AGND Title AUDIO Size Document Number DISPLAY Date: Friday, October 15, 2004 Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 76 MMBT3906 CX201209805/8 1K/6 DSUB_5V 1N4148 1N4148 4.7K/6 C100 C101 0.1u/6 NC/6 R143 1U/8 4.7K/6 SN7002E VBRI 3DVCC MMBT3906 Title R144 <Title> POWER 4.7K/6 Size Document Number Date: Friday, October 15, 2004 DGND Confidential - Do Not Copy ViewSonic Corporation VX710...
  • Page 77 Control Board 11. PCB Layout Diagrams Main Board Confidential - Do Not Copy ViewSonic Corporation VX710...

  • Page 78: Exploded Diagram And Exploded Parts List

    Add.: Fax: Tel: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) Confidential - Do Not Copy...

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