ViewSonic VS10162 Manuel de service

ViewSonic VX922-1 Model No. VS10162 19” Color TFT LCD Display (VX922-1_SM Rev. 1c Nov. 2006) ViewSonic 381 Brea Canyon Road, Wa

ELECTRICAL REQUIREMENT Horizontal / Vertical Frequency Horizontal Frequency 30 – 82 KHZ Vertical Refresh Rate 50 – 75 HZ Maximum Pixel Clock 135 MHz

0.8A Max3.3VLVDS_GND5VLVDS_GND LVDS_GNDLVDS_GND LVDS_GNDLVDS_GNDLVDS_GNDL1CX000800000/81H2MTH276D12623456789R2330/6 1%R1200/6 1%U1AIC1084/TO252123ADJ/

RESET circuitExternal ROMSPI EEPROMExtrenal ROM Download ConnectorCONFIG SETTINGSPI_SCKSPI_SIRXE1+O_SD1_G6O_SD1_G7O_SD1_R3O_SD1_R4O_SD1_R5O_SD1_R6O_SD

ModelTitleDate Rev:ViewSonic CorporationPOWER 99ViewSonic CorporationConfidential-Do N Copyot VX922-13EC12ModifyADC_ 3AVCCLVDS_3AVCCRTD 2.5DVCCRTD 3

Main Board Control Board 100ViewSonic Corporation Confidential - Do Not Copy11. PCB Layout Diagrams VX922-1

* Reader’s Response* Dear Readers: Thank you in advance for your feedback on our Service Manual, which allows continuous improvement of our products.

Panel Characteristics: 8ViewSonic Corporation Confidential - Do Not CopyVX922-1 1st Source Panel Model number CPT CLAA190EA05Q Type TN type with LV

2nd Source Panel Model number HSD HSD190ME13-D10 Type TN type with LVDS interface Active Size 376.32 (H) x 301.06 (V) Pixel Arrangement RGB Vert

10ViewSonic Corporation Confidential - Do Not CopyVX922-1IMAGE PERFORMANCE Factory Defaults Item Defaults Item Defaults Contrast 70% OSD H. Posi

11ViewSonic Corporation Confidential - Do Not CopyVX922-1Preset Color Temperatures SRGB It should meet IEC 61966-2-1 (1999-10) standard Preset 1 930

Adjusting the Screen ImageUse the buttons on the front control panel to display and adjust the OSD controls which display on the screen. The OSD contr

Do the following to adjust the display setting:1. To display the Main Menu, press button [1].NOTE: All OSD menus and adjustment screens disappear auto

Main Menu ControlsAdjust the menu items shown below by using the upSand downTbuttons.Control ExplanationAuto Image Adjust automatically sizes, centers

Control Explanation6500K-Adds red to the screen image for warmer white and richer red.5400K-Adds green to the screen image for a darker color.User Col

Control ExplanationThe Manual Image Adjust controls are explained below:H./V. Position (Horizontal/Vertical Position) moves the screen image left orri

CopyrightCopyright¤ 2006 by ViewSonic Corporation. All rights reserved. No part of this publication may bereproduced, transmitted, transcribed, stor

Control ExplanationOSD Timeout sets the length of time the on-screen display screen is displayed.For example, with a “15 second” setting, if a control

PIN MNEMONIC SIGNAL 1 RV Red Video 2 GV Green Video 3 BV Blue Video 4 NC None 5 GND

2.3 Video signal connector for digital input: 24pin DVI-D connector CN9DVI-D

3.2 Power 3.2.1 Power supply Input voltage 100~240Vac Power frequency 50~60Hz <1.5A RMS @90V AC <0.8A RMS @180V ACInput current Inrush curre

5. EDID data AUO Analog EDID 128 BYTES OF EDID CODE: 0 1 2 3 4 5 6 7 8 9 ___________________

(36) ESTABLISHED TIMING II: 800 X 600 @ 72Hz (VESA) 800 X 600 @ 75Hz (VESA) 832 X 624 @ 75Hz (Apple,Mac II)

Digital EDID 128 BYTES OF EDID CODE: 0 1 2 3 4 5 6 7 8 9 ________________________________

(36) ESTABLISHED TIMING II: 800 X 600 @ 72Hz (VESA) 800 X 600 @ 75Hz (VESA) 832 X 624 @ 75Hz (Apple,Mac II)

6. THEORY OF OPERATION This section describes the function of the LCD monitor per functional block. This monitor includes MB board, power board and b

17 P1.0 Backlight on / off control e) Panel Power Sequencing (PANEL_PW12,3) (Pin 16, 18): The MTV312 has two dedicated outputs VDDCTRL1 and 2

TABLE OF CONTENTS 1. Precautions and Safety Notices 1 2. Specification 53. Front Panel Function Control Description

6.2.2 Power This is a general purpose AC / DC adapter which converts 90~240 Vac to a stabilized DC voltage: 12 Volts, with a rated output current

OSD Function Menu A. When in Analog Input Mode 1. Main Menu Press the [1] (Menu) button to enter the Main Menu: Press the [▲] button to highlight

(5) Information Page: Press the [2] button to enter the information page. Press the [1] button to exi

Press the [1] button to exit the page. Press the [▲] button to highlight the previous item or the [▼] button to highlight the next item. English, Fr

2. Other Menu: This “shortcut” menu is directly accessible without bringing up the OSD. (1) Contrast Dialog Press the [▲] or [▼] button to enter the

Press the [1] button to exit the page. Press the [▲] button to highlight the previous item or th

Press the [1] button to exit the page. Enable, Disable Option Press the [2] button to select the highlighted optio

(2) Brightness Dialog Press the [▲] or [▼] button to enter the Brightness Dialog. Press the [1] button to exit the Brightness Dialog. Press the [2] bu

1. Function test (1) Test equipment Color video signal and pattern generator (or PC with SXGA resolution) (2) Test condition Before function testi

Pattern 1 Pattern 2 Pattern 3 Pattern 4 3. Test pattern Item Test condition Pattern Specification Remark 1 Frequency & performance Cross

1. Appropriate Operation (1) Turn off the product before cleaning. (2) Use only a dry soft cloth when cleaning the LCD panel surface. (3) Use a so

Pattern 5 Pattern 6 Pattern 7 Pattern 8 Pattern 9 37ViewSonic Corporation Confidential - Do Not CopyVX922-1

6. Firmware update procedure : 1. Equipment needed : - VX924- PC ( Personal computer ) - LPT cable - Fixture (LM5ISP) - Firmware upgrade program

2. Connection : To PCTo Monitor Fig 0.0 Appendix A : How to install the software f

Fig 0.1 Fig. 0.22. Double-click the "PORT95NT.exe" icon in Windows

Fig. 0.3 Fig. 0.4

Fig. 0.5 Fig 1.0 6. When the installation is complete, restart the PC or notebook; see Fig 0.5.Install I

Fig 1.1 Fig 1.23. Press the "Next" button to continue; see Fig 1.1.4. Press the &

Fig. 1.3 Fig. 1.45. Press the "Install" button t

Fig. 2.1 Fig. 2.2 Fig. 2.3 Appendix B: How to use software to upgrade the

Fig. 2.4 Speed of IIC bus Security code 4. As shown in Fig. 2.4, press the "Create Security File" button to key in a secu

(11) After installation of the TFT Module into an enclosure (LCD monitor housing, for example), do not twist orbend the TFT Module even momentarily. W

Fig. 2.5 5. Fig 2.5 shows the settings for the ISP software's security code. It requires two command numbers, and the commands must be

Fig. 3.1 Step 3Step 1Step 2Step 4Appendix C: Using ISP to program MCU1. As shown in Fig. 3.1

Fig. 3.2 2. If the user changes the MTV type, the file must be loaded again, as the previously loa

1. Write Analog DDC Environment setting Please connect VGA cable as bellowing picture. Please must set the monitor in USER mode, not factory mode

Please press , Select Analog DDC file to be loaded Step 1 : Software will pop out a message. Select the Analog DDC file to load. Step 2

Check DDC data Check whether the DDC data is loaded in the “TVI_Tool” table. 52ViewSonic Corporation Confidential - Do Not CopyVX922-1

Write DDC to IC Step 1 : Select “512M” Step 3: Key in the S/N Select “Detailed Timeings” / Select “Block 2” Key in the S/N on the monitor

Step 2 : Press “Write to IC” icon 54ViewSonic Corporation Confidential - Do Not CopyVX922-1

Step 4: Check the result Write Success : you will see “Compare OK” message in yellow column. 55ViewSonic Corporation Confidenti

Write Error : If the DDC file write fail, you will see “Write Error” message. Please recheck whether following settings is correct:

Correct methods : Incorrect Methods : Only touch the metal frame of the panel or the front cover of the monitor.Do not touch the surface of the pola

2. Write DVI DDC Environment setting Please connect VGA-DVI cable as bellowing picture. Please must set monitor in USER mode , not factory mode

Please press 58ViewSonic Corporation Confidential - Do Not CopyVX922-1

Select DVI DDC file to be loaded Step 1 : Software will pop out a message. Select the Digital DDC file to load. Step 2 : Press “Open” icon

Check DDC data Check whether the DDC data is loaded in the “TVI_Tool” table. 60ViewSonic Corporation Confidential - Do Not CopyVX92

Write DDC to IC Step 1 : Select “24C02” 61ViewSonic Corporation Confidential - Do Not CopyVX922-1

Step 2: Key in the S/N: a) Select “Detailed Timeings” b) Select “Block 2” Key in the S/N on the monitor 62ViewSonic C

Step 2 : Press “Write to IC” icon 63ViewSonic Corporation Confidential - Do Not CopyVX922-1

Step 3: Check the result Write Success : you will see “Compare OK” message in yellow column. 64ViewSonic Corporation Confidential

Write Error : If the DDC file write fail, you will see “Write Error” message. Please recheck whether following settings is correct:

3. Read Analog DDC Environment setting Please use VGA cable as bellowing picture. Please must plug off power cable first and then plug on power c

Correct Methods : Incorrect Methods : Place the monitor on a clean & soft foam pad . If the monitor is placed on foreign objects, that could sc

Step 2: Check the result a) Read success : you will seed “Read OK” message 67ViewSonic Corporation Confidential - Do Not Copy

b) Read Fail : you will see “ Error Read” message. Please recheck following settings is correct: b.1: Check the power cable is Re-plug on b.2: Che

4. Read DVI DDC Environment setting Please conntect VGA-DVI cable as bellowing picture. Please must plug off power cable first and then plug on p

Step 2: Check the result a) Read success : you will seed “Read OK” message b) Read Fail : you will see “ Error Read” message. Please recheck fol

Packing procedure 1. Apply protective film to the display surface. 2. Put the monitor in EPE bag and seal the bag with tape.

4. Put the monitor into the carton and put all the accessories into the carton. QSGPower cord Then close the carton.Disassembling the monit

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. S

6. Remove the screws that fix the button board (B/B) and pull the cable out from the 7. Remove the B/B. 8. Remove the screws on the PCB shield; r

9. Remove the MB-LCD connector and loosen the four screws on the PCB holder. Screws 10. Separate the PCB holder from the panel. 75Vie

11. Loosen the four screws on the sides of the panel. 12. Remove the front bezel and panel. 76ViewSonic Corporation Confidential - Do

2. Specification GENERAL specification Test Resolution & Frequency 1280x1024 @ 60Hz Test Image Size Full Size Contrast and Brightness Cont

13. Remove the four hexagon screws beside the DVI & D-SUB connectors. 14. Remove the screws that fix the power board and main board.

1. Display color abnormal: 6. Troubleshooting Flow Chart 78ViewSonic Corporation Confidential - Do Not CopyVX922-1

Can not power on monitorCheck adaptorCheck K/B Check crystal X1 / X2?OKOKOKCheck CN 6, R79Change M/BNONONONOChange adaptorRepair open / shortChange X1

3. Monitor white screen 80ViewSonic Corporation Confidential - Do Not CopyVX922-1

4. Monitor black screen 81ViewSonic Corporation Confidential - Do Not CopyVX922-1

5. Analog input: always shows NO SIGNAL: 82ViewSonic Corporation Confidential - Do Not CopyVX922-1

6. Digital input: always shows NO SIGNAL 83ViewSonic Corporation Confidential - Do Not CopyVX922-1

84ViewSonic Corporation Confidential - Do Not Copy7. Recommended Spare Parts ListVX922-1Rev: 1cSerial No Prefix: PXU1 Power cable A-PC-0106-022

85ViewSonic Corporation Confidential - Do Not CopyVX922-1Rev: 1cSerial No. Prefix: PXUItem ViewSonic P/N Ref. P/N DescriptionLocationUniversal nu

86ViewSonic Corporation Confidential - Do Not Copy8. Exploded Diagram and Spare Parts ListVX922-1

POWER SUPPLY Internal Power Supply Part Number: FSP035-1PI01 Input Voltage Range 90 TO 264 VAC Input Frequency Range 47.5 TO 63 HERTZ Short Circuit

87ViewSonic Corporation Confidential - Do Not CopyVX922-1ViewSonic Model Number: VS10162Rev: 1bSerial No. Prefix: PXUItem ViewSonic P/N Ref. P/N Des

Packing for shipping 88ViewSonic Corporation Confidential - Do Not CopyRev: 1aSerial No Prefix: PXUItem ViewSonic P/N Ref. P/N Location Q'ty

9. Block Diagram 89ViewSonic Corporation Confidential - Do Not CopyVX922-1

90ViewSonic Corporation Confidential - Do Not CopyVX922-1

10. Schematic Diagrams +3.3VAUDIO_MUTE+12VAIC1739RSDS AND LVDS+2.5VPOWER PCVGALCDVCC+3.3V+3.3V+2.5VLCDPWR_ON12VINVCTRL+12VEEPROM24LC16SCALAR RTD2523LC

ModelTitleDate Rev:ViewSonic CorporationVGA AND DVI INPUT 92ViewSonic CorporationConfidential-Do N Copyot VX922-1PAGE1 VGAINPUTAdd R156~R162 damping

ModelTitleDate Rev:ViewSonic CorporationRTD_2523 93ViewSonic CorporationConfidential-Do N Copyot VX922-1U7C43.C44.C45 IC盡量靠近Near to ChipAHSAVSXORX2P

ModelTitleDate Rev:ViewSonic CorporationMCU & BUTTON 94ViewSonic CorporationConfidential-Do N Copyot VX922-1PARAMETEREEPROMBCTO BUTTON BOARDJunc

ModelTitleDate Rev:ViewSonic CorporationPANEL INTERFACE 95ViewSonic CorporationConfidential-Do N Copyot VX922-1DG31S2C31E2BIf panel is 3.3V LVDS IF,

ModelTitleDate Rev:ViewSonic CorporationAUDIO 96ViewSonic CorporationConfidential-Do N Copyot VX922-1SPEAKER OUTPC AUDIO-IN123BCEL_LINEZ0412SPKOUTLS