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VX924-1 Service Manual

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1. E o gt 5V Over driver block diagram 10 Schematic Diagrams 3 2 RSDS AND LVDS SCALAR RTD2523 LCD 3 12V PANEL 17 19 RSDS AND LVDS EEPROM 24LC16 3V LCDPWR_ON12V M CRO CONTROLLER 12 AUDIO VOLUME BRI GHTNESS NVCTRL AUDIO MUTE 90 264V POWER NVERTER S gt 2 5V AUDI BOARD C1739 5 3 BLOCK DIAGRAM Document Number Friday October 15 2004 Bheet VX924 ViewSonic Corporation 70 18 RED IN 0 047u 6 R24 lt lt DDC_SDA 75 6 0 0476 RED IN 54 RED IN GREEN IN 19 0 6 GREENAN Owe GREEN DEL L11 C32 U6 R51 R52 2004 6 17 BLUE IN R27 11 1 IDDC_SDA 12 13 IN V 14 DDC_SCL 15 DSUB 5V DSUB_5V GREEN IN 0 047u 6 lt GREEN VGA NC PI N 10 VGA CON 0 0476 SCL bk foo ko Ws fo 06 _ 0 047u 6 KBLUE GND RED IN 1 RED IN GREEN N 3 GREEN IN R32 BLUE IN 5 GND IN V 75
2. ViewSonic Corporation Confidential Do Not Copy VX924 78 Reader s Response Dear Readers Thank you in advance for your feedback on our Service Manual which allows continuous improvement of our products We would appreciate your completion of the Assessment Matrix below for return to ViewSonic Corporation P Assessment A What do you think about the content of this Service Manual 11 PCB Layout Diagrams Are you satisfied with this Service Manual C Do you have any other opinions or suggestions regarding this service manual Reader s basic data Company 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 amp Processes marc maupin viewsonic com ViewSonic Corporation Confidential Do Not VX924 79
3. sck s aos 3 n Eis Xu EM 2 VOS ND DE ER XE LVDS GND wos vee X Los OND E Det uwos vee 2 2 RESERVED RESERVED RESERVED ODD S02 TOS LVDS VCC RESERVED Wos vec Lvos vec 200 502 n6 Goo 502 n5 vec pad Hho US vec 8 pei Tana Esse EVEN x 200502 2 2 5 560 908 07 81 RESET circuit 990 802 m Sor 900 30207 2 PU s Reon Fx ixl E Fx x 52 8 058 204 Soc Ros 352 97 Sos RESERVED E vee pui 5 1 6 H pes gy E Doro DESEE Dad EVEN SOL Ra RODA SCA vec LEVEN 50283 EET Rd 3 223 3s EVEN 02 Gs gt Era EVEN SD t DESDE DESDIRE Soc RAEN a Ser VTIO3601 HERE 802 63 ial RES LEES Ecran RER EE
4. VX924 PANEL PW RXOINO RXOINO RXOCKIN RXOCKING RXOIN1 RXOINT DGND RXOINZ RXOINZ RXOIN3 RXOIN3 RXEINO RXEINO DGND RXECKIN RXECKIN RXEINT RXEIN2 _ 21 RXEINT RXEIN3 23 DGND 24 RXEIN3 PANEL 5 12 PANEL 5 12 28 30 PANEL 5 12VCC PANEL 3VCC 13 If panel is 3 3V LVDS IF 1206 130 must add the part 2004 4 14 lt Title gt PANEL INTERFACE Document Number lt gt Friday October 15 2004 Bheet ViewSonic Corporation VOUT CX000800000 8 ADJ GND AIC1084 TO252 330 6 196 LVDS GND MTH276D126 LVDS GND LVDS GND Confidential Do Not Copy VX924 8 E 0 8 R1 200 6 196 LVDS GND Title Size Document Number A lt Doc gt Date Friday February 25 2005 Sheet 5 aav 2 H 10 12 1 Ysa bart 2 26 28 Extena ROM Douriosd Connector 5 pe E s bare uei 85 p E ios 20221 30500 ve 1 Ed Ne See 2 External ROM 2 4 4 s A m 2 ve DRAM TAT SPI EEPROM 1841 vee SPERO Eg ios
5. s Ed EE rd 384 RESERVED vec CONFIG SETTING vet 38 RESERVED GND ROM J AR DESDI RSTN SDRAM A2 E 5 DESDE TAB SECT RAM D ESD E SEL SDRAMCAT TAB 5 ODEN SORA AG Ea EX SDRAM Spies Seso SDRAM BAT PAD TEST PADTEST ESDIG ESOR A T RESERVED SORA AS vee vec GND vee 1301 8 302 502 3p SDRAM spa ERES SDAS A DRAMCWAT SEL ROM 1 TAB SEL 1 SEL EVEN EVEN S01 68 RESERVE 50181 301 65 soram soram SORAM RAS EVEN 807017 EVEN 807 7 900501837 900 501 61 000780787 DOM vec EVEN EVEN EDT BI EVEN sors EVEN soar RESERVED EVEN SD1 RA EVEN SDT R 900 01 8 200 Goo sors GND Veo RESERVED 000 801 87 9007 ODD SD RS GOD S01 R6 SDRAM
6. 82 5 0808 9812 9 01019 STANDCOVERFL9WEBLOVOOLREVBA J 1 ae 8011 84 M SCW 0824 6894 MF300608D8 SCREWFSO CB BND 4 LS SL9NCSVSSO LSVDAGS CHASSIS 86 CB 00002525 DDOLSVLCOIS _ CABLE MB LCDGOP 140MMDL9V 5 GP 1 87 5 0808 9398 DDL7VDTHOO9 CABLEASSYL7VDBUTTON MBGP IOBREVIA 1 88 C 00001778 9 02015 STAND COVER RL9V EBLOVO02 REV3A J 1 89 0830 2593 EBL9VOOS0 VOCOVERL9WEBLOVOSREVBA MM40Q601L 69 SCREW BND NYLOK 141 91 M SCW 0824 0870 MS40070B808 SCREWM4 7B BMONYLOK 4 92 M MS 0808 9815 GAL9VOO2014 RUBBER PLUG VESA L9V GAL9V002 REV3A 4 o3 _ __ 00002522 DDOLOVOB000 CABLE MB OVER DRIVERGOPSUMM LSV S GP 94 N A 26LoVPKVSPI L9VDA SPACKINGASSYAAUVX9M9US 155 M MS 08053 99 DDL7VDPCOOS CABLE ASSY LTVD MB VGA IVISPREVIA 96 A PC 0106 0224 DM333181G97 POWERCORDSPISM USA VO4VS35001218000 1 97 5 0808 9817 HAL9VOO2014 EPEBAGL9VD HALOVO REVBA 1 98 P FM 0602 0896 HBL9V001019 ENDCAPLI9V HBLOVOOLREVBA 1 MEER CUORE D 100 0813 0747 17 004013 CORELABEL HCL7V004REV3A ___ _ 1 101 9 6011 ID LABEL VX924 LOVDA S HCLOVOO6REV3A 1 1
7. 22L9V0B0005 L9VOVERDRIVERBASSY 20 4NA DAOLSVOB2BS PCB OD B LOV ODBOL85 90MM REVB J 0 1 21 AJO36010F00 X ICOOSPLCDOVERDRIVE VTIO3601 LQFP 14 1 2 AKDXG KS0 _ 50 45161622 60 4 23 4NA AKEMFUOKI3 ICFLASHSST2SVESIDA 33 IC SAESOSGP U3 1 ICGP LI084D TO 252 C2 C4 C6 C7 C8 C9 C10 C11 C12 CI 3 C14 C15 C16 C17 C34 C35 C36 C3 7 38 39 40 41 42 43 44 4 25 410047931 CHIP 0 1U 25V 80 20 5 0603 GP 5 C60 C61 C62 C63 C64 C65 C66 C6 7 68 69 70 71 72 73 76 7 7 78 79 80 81 82 83 84 8 5 86 87 88 89 N A CH61001ZA31 CAP CHIP 100 6 3V 48096 2096 Y 5V 0805 PR1 PR2 PR3 PR4 PR5 PR6 PR7 PR 27 N A CJ033084N16 RES ARRAY CHIP 33 1 16W 5 8P4R R PIN 8 PR9 PR10 PR11 PR12 PR13 PR14 16 PR15 PR16 N A CS03303J909 RES CHIP 33 1 10W 5 0603 10 N A CS11003F902 RESISTOR CHIP 100 1 10W 1 0603 ERB 30 4NA CSI200F905 CHIP 200 1 10W 1 0603 1 31 CSIS30F90 RESISTOR CHIP 330 110 1 0603 R2 1 32 CS3103 08 CHIP 10K 1109 59 0603 8 33 521003 906 RESCHIPIK 57060 1 B CB 0206 0188 2317 0034 L7IVDBUTTON BASSY 1 gt
8. User Presets Number of User Presets recognized timings Available 10 presets total in FIFO configuration e Changing Modes Maximum Mode Change Blank Time for image stability 3 seconds Max excluding Auto Adjust time Under DOS mode 640 350 720 x 400 amp 640 x 400 it should recall factory setting when execute Auto Adjust The monitor needs to do Auto Adjust the first time when a new mode is detected See section 0 Touch M Function Actions ViewSonic Corporation VX924 LCD PANEL 1 Source Panel Luminance 5 point 275 cd m2 Typ after 30 minute warm up Condition 215 cd m2 Min after 30 minute warm up CT 6500K Contrast Max Brightness Max Brightness Uniformity 70 Entire Area min Contrast Ratio 550 1 typ 350 1 min Color Depth 16 2 million colors 6 bits 2 bits FRC Viewing Angle Horizontal CR gt 10 Typical 140 Minimum 130 Viewing Angle Vertical CR gt 10 Typical 135 Minimum 125 Total 4 8ms black white Response Time Tr 3 4ms Tf 1 4ms 10 90 Ta 25 C Total 4 0ms gray gray Panel Defects Please see Panel Quality Specifications ViewSonic Corporation VX924 Dimension Desktop Width 431 mm 17 inch Height 468 mm 18 4 inch Depth 201 mm 7 9 inch Monitor Weight 6 7 Kg 14 8 lbs Dimension Head Only Wall Mount wa e Ergonomics Tilt Up From 0 up t
9. 35 VX924 Pattern 6 X Pattern 8 Pattern 5 7 _ Pattern 9 ViewSonic Corporation Confidential Do Not Copy VX924 36 6 Firmware update procedure When examining a monitor please check whether the firmware version is the latest If not please follow the procedure below to upgrade to the latest version 1 Equipment needed 924 Personal computer LPT cable Fixture LMSISP Firmware upgrade program Confidential Do Not VX924 ViewSonic Corporation 37 2 Connection Appendix A How to install the software for ISP 1 To set up ISP environment Hardware PC or notebook parallel printer cable ISP tooling Software If OS is Win2000 or WinXP please install 95 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 ViewSonic Corporation Onboard Serial Port 1 Onboard Serial Port 2 Onboard Parallel Port Parallel Port Mode ECP Mode Use DMA Game Port Address Midi Port Address Midi Port IRQ CIR Port Address 1 7 10 1 376 1017 mI SLEEPT 3 201 3301 10 Disabled Confidential Do Not Copy VX924 2 Double click the 95 icon in Windows and install the p
10. 924 33 1 Function test 1 Test equipment Color video signal and pattern generator or PC with SXGV resolution 2 Test condition Before function testing and alignment the unit must warm up for at least 30 minutes under the following conditions 1 Room temperature 2 With full white screen RGB black pattern 3 With cycled display modes 2 Test display modes 6 640 480 67Hz 35 0kHz Yes 8 __ 640x480 75Hz 375kHz 1 Yes 9 __ 640 480 85Hz 43 27kHz ViewSonic Corporation Confidential Do Not VX924 34 3 Test pattern Item Test condition Pattern Specification Remark 1 Frequency amp performance Cross hatch pattern No noise is allowed all colors mustbeclear Pattern 1 2 Monitor saturation 16 gray scale pattern 3to4 levels must be saturated when brightness Pattern 2 and contrast are set to 10096 3 RGB color performance RGB color Check the color temperature of Pattern 3 RGB signal color 4 5 4 Sub pixel defect RGB color Check for sub pixel defects Pattern 3 4 5 5 Full white Full white Check the brightness and contrast ratio Pattern 6 and check for bright pixel defects 6 Full black Full black Pattern 7 7 5 cycle pattern 5 cycle pattern Check the BU Pattern 8 8 1 dot pattern 1 dot pattern Check the flicker Pattern 9 Pattern 1 Pattern 3 Pattern 4 ViewSonic Corporation
11. Q2 MMST3906 U3 AIC1117CY 2 5DVCC 1 3 6 1 VOUT C10 2200 6 03 RBO081L 20 47 330u 16V 10uF 16V 10uF 16V RTD 2 5DVCC R11 3K 1 ohm RI12 1K 1 ohm output 5V R11 3 6K 1 ohm R12 2 2K 1 0101 03 01 ayout 1 ohm output 3 3V 2004 4 16 5 2 5DVCC 330u 16V gt gt 2 sDvec 3AVCC RTD 2 5DVCC RTD 3PVCC AIC1739 NC R8 LVDS_3AVCC 2 0 6 Q3 MMST3906 4 3 3V gt 2 5V regulator for 3 3V system power 5V 2004 4 14 L3 R14 10K 6 NC 201209805 8 VCPU 127 9 018 030 031 MMBT3906 CX201209805 8 DSUB 5V gt gt 1 4148 1N4148 L28 04 5 7002 lt VBRI 2 3906 Title R144 T POWER 4 7 6 Document Number Custpm lt Doc gt Date Friday October 15 2004 ViewSonic Corporation VX924 TI Control Board 11 PCB Layout Diagrams Main Board 4 gt MS vs gt gt m gt ES 7 X X 77 Y NL Nell
12. SORAM DOM 1 SORAM CAS 8 r3 6 m De spi m Dra sore Espi ES ospi es D DOMT TE Tom DESEE Dro DIG Des DESDI SDT WE M SDRAM Es BE tos DRAM TaN soram DE Spi p o spi pospies 2 SDRAM aav VTIO3601 16Mbx4 Ref Circuit Toanen REET Ex Fa Confidential Do Not Copy ViewSonic Corporation VX924 76 gt gt spvcc 01 4 185355 10uF 16V 01 1417 vout 2 gt gt 3pvcc RTD 3DVCC Zz 5 pppavect ADC_ 3AVCC Q1 NDS9410A SO 10uF 16V gt gt 3PVCC RTD 3PVCC 27 10uF 16V FB 1 1563 gt 2 LVDS_3AVCC
13. 1 6 RY 1 6 R 1 6 RIMKE R 22016 Riv 22016 2 Omm pitch 1 084 909 E amp T 033 a J nction fr m WW 22uF 16V A change tod 4607 11Pin 08 NC DAN202U g A A pum 221 TO BUTTON BOARD C86 NC 1U 16V 3AVCC1 a 8 3AVCC1 gt C87 10pF 6 11 1 2004 6 16 J 5 0 2 P5 1 xa x 52 H 1 0592MHz 5 3 P54 P5 5 P5 6 RESET DA8 HLFHO C75 DAQ HALFV 1 0 P1 1 194 INTOIP3 2 P1 2 vec P13 WP R83 1006 IICSCL Pia A2 SCK ISCL P3 5 T1 1 5 VSS SI RANNO ISDA P3 4 TO P1 6 14 13 27 241016 LED 26 P amp 0 ADO P17 PARAMETER 28 PANEL 12 lt 8 1 26 2 P4 0 _30 R110 R112 R11 4 7K 654 7K 6S NC M 0106 ANC PANEL PW3 50101 50102 80103 SDO SDI RTD_SCLK RTD_SCSB EEPROM P6 3 MUTE P6 4 P4 2 P6 5 2 P6 6 P3 1TXD R124 1006 DDC_SDA STEY PWR SEL 33 pg P3 0 RXD R125 006 4 DDCL SCL a gt MTV312M64 R109 4 6 MCU a
14. Typ On Mode lt 40 W Max 35 W Typ Saving Mode lt 2 W Off Mode lt 1 W On Mode N A Active Off lt 3 sec 30 82 KHZ 50 75 HZ 135 MHz Sync Polarity e Timing Table Independent of sync polarity Timing Analog Digital 1 640 x 350 70Hz 31 5kHz Yes Yes 2 640 x 400 60Hz 31 5kHz Yes Yes 3 640 x 400 70Hz 31 5kHz Yes Yes 4 640 x 480 50Hz 24 7kHz Yes No 5 640 x 480 60Hz 31 5kHz Yes Yes 6 640 480 67Hz 35 0kHz Yes Yes 7 640 x 480 72Hz 37 9kHz Yes Yes 8 640 480 75Hz 37 5kHz Yes Yes 9 640 x 480 85Hz 43 27kHz No No 10 720 x 400 70Hz 31 5kHz Yes Yes 11 800 x 600 56Hz 35 1kHz Yes Yes 12 800 x 600 60Hz 37 9kHz Yes Yes 13 800 600 4 75Hz 46 9kHz Yes Yes 14 800 600 72Hz 48 1kHz Yes Yes 15 800 600 85Hz 53 7kHz No No 16 832 x 624 75Hz 49 7kHz Yes Yes ViewSonic Corporation VX924 17 1024 768 6 48 4kHz Yes Yes 18 1024 768 70 56 5kHz Yes Yes 19 1024 x 768 72Hz 58 1kHz Yes Yes 20 1024 x 768 75Hz 60 0kHz Yes Yes 21 1024 768 85Hz 68 67kHz No No 22 1152 864 75Hz 67 5kHz Yes Yes 23 1152 x 870 75Hz 68 7kHz Yes Yes 24 1280 x 1024 60Hz 63 4kHz Yes Yes 25 1280 x 1024 75Hz 79 97kHz Yes Yes 26 1280x 720 60Hz 45kHz HDTV Yes Yes e Primary Presets 1280x1024 60Hz
15. 00002522 DDOL9VOBO00 MB over driver cable 10 VGA cable M MS 0808 9399 DDL7VDPCO005 VGA cable 11 Documentation User manual CD wizard DC 00002523 HGL9V0011019 user s manual 12 Electronic 19 AUO TFT LCD panel E 00001775 190 129 LCD panel 13 Hardware Screw M4 6 I BNI NYLOK M SCW 0824 6859 MM40060IL69 Screw 14 Screw M3 0 4 0 I NI M SCW 0824 6802 MM30040IBJ9 Screw 15 Miscellaneous LCD film L9V M MS 0808 9682 JXL9V001010 LCD panel film 16 4ms sticker on carton 17 Packing Material Carton P 00002521 18 End cap L P FM 0602 0896 HBL9V001019 cushion 19 20 VX924 BOM LIST VX924 1 ViewSonic Model Number VS10162 3W Rev la __ IL9VDZAVS92 97 LCD MONITOR L9VDA S AU 924 08 2 ____8 00002519 20101 00 5 191 ASSY FORL9VDA SREALTEK232 AU 11 3 N A ______39 91 0056 91 DIP ASSY L9VDA 5 2523 2 1 34 46 50 53 59 84 5 N A CC62204MD23 ELEC 220 25V 20 105C 5 11 2000HR EGPCS EC 62214 006 CAP ELEC DIP 220 25V 4 2096 105C 5 11 LXN 2 7 CAP ELEC 1000 25V 20 105C 6 11 LESR 1 __ ___ __ ELEC 1000 25V 20 105C O IDLXN C70 1 9 CN4 DFDIBOFRO49 CONN DVI DIP30P 3R FR PI 905 H10 04 CNA NA 2 6 9 5 SW BIOS IMAGE REALTEK AU 2523 1 19 B 0000520
16. 1 button to exit the page Press the A button to highlight the previous item or button to highlight the next item 1 Sharpness Item Press the 2 button to enter the sharpness adjustment page Press the 1 button to exit the page Press Button to increase image sharpness Press Button to decrease image sharpness 7 Setup Menu Page ViewSonic Corporation Press the 2 button to enter the setup menu page Press the 1 button to exit the page Press the A button to highlight the previous item or button to highlight the next item 1 Language Select Item Press the 2 button to enter the language selection page Press the 1 button to exit the page Press the A button to highlight the previous item or button to highlight the next item 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 VX924 31 M M DE 3 4 5 Press the 1 button to exit the page Enable Disable Option Press the 2 button to select the highlighted option Press the 1 button to exit the page Press the button to highlight the previous option or V button to highlight the next option OSD Position Item Press the 2 button to enter the OSD position adjustment page Press the 1 button
17. 1 491KB Application Driver msi 307 Windows Instal 100KB Application 62 KB Configuration Rename this file gy Move this Copy this file Publish this file to the Web E mail this File x Delete this file Other Places a 9 Desktop D Fig 1 0 ViewSonic Corporation Confidential Do Not Copy 924 4 00000 onc x 3 Press the Next button to continue see Fig 1 1 i ISP Driver InstallShield Wizard X Welcome to the InstallShield Wizard for ISP Driver The InstallShield R Wizard will install ISP Driver on your computer To continue click Next WARNING This program is protected by copyright law and international treaties 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 ip ISP Driver InstallShield Wizard Destination Folder Click Next to install to this Folder or click Change to install to a different Folder Install ISP Driver to C Program Files Myson Century ISP InstallShield ViewSonic Corporation 5 Confidential Do Not Copy 924 daa es ee hend UE 5 Press the Install button to continue see Fig 1 3 i ISP Driver InstallShield Wizard Ready to Install the Program The wizard is ready to begin installation If you want to review or change any of y
18. 6 0 047u 6 i DDC SUA Kave 18 13 DSUB 5V VGA INPUT 1008 VGAHS AHS 026 T 20P16 Add D34 035 131 2004 6 17 09 DAN217K NC DAN217KINC DAN217KINC DELE 1229 2069 76 17 100g 3 BLUE IN 3 8 DDC_SDA DDC SCL Bus Power D17 010 pu pU 54 6508 Z5 6 NC Z5 6 NC Z5 6 NC Z5 6 NC C29 0 1U 6 NC Add R156 R162 danpi ng RES 2004 4 US NC VCC NC 100 6 0 2 SCL NC SCK DDC2 SDA ve DM TOOTING 24 02 019 DDC2 SCL Z5 6 NC D22 DDC2_SDA 023 Z5 6 NC Z5 6 NC D20 021 Z5 6INC Z5 6 NC 4 Hot plug 10K 6NC 100 6NC D24 C30 C31 0 1U 6 NC 1U 6NC Z5 6 NC e 4 4 025 026 027 028 R50 P Z5 6 NC Z5 6 NC Z5 6 NC Z5 6 NC 10K 6NC VGA AND DVI INPUT Document Number DISPLAY DVI D NC Friday October 15 2004 Sheet ViewSonic Corporation Confidential Do Not Copy VX924 71 R3DVCC 112 R2 5DVCC L13 FEB FEB 0805 ouF A6V H 0 1u 6 C36 C37 038 0 1u 6 C40 C35 C39 016 C42 0 1u
19. FAL7VOISREVBA J 00 i 1 62 00001307 FBLOVOO9010 LCDBKTL RL9VD FBLOVOOREVBA 2 63 HW 00001800 FBL9VOI0018 LCDPANELLOCK METALL9VDI FBLOVOIOR3A 2 1 1 4 N ViewSonic Corporation Confidential Do Not Copy VX924 51 wrons SCREW Mood rr 66 M SCW 0824 6800 30060 8 SCREWMSO 6O INDGP 67 M SCW 0824 6799 5 SCREW M3 5 8 B NLWASHER 68 5 0808 966 MBLI1004018 ONUTLI MBLIOO4REVBA 69 M MS 0808 247 EBL70023015 WIREMOUNTSL7OL EEBL7OOSREVBA GP 1 Ez 71 PL 00001804 _ GAL7O002015 RUBBER HOLDER L70L GAL70002 REV3B 2 72 PL 00001800 6 RUBBER HOLDER LSTL E GALSTOOLREV3B 4 21 74 MBLOVOO1019__ IO NUT L9VDA S MBL9VOOLREV3A M3 15 6 2 sa GALTENDIS LCDRUBBERITEHGALTEQOREVAB E 76 _ 5 0303 0553 24LOVSAVSO LOVSTANDASSY __ _1 ma LOVSTANDBKTASSY 78 C BS 0302 0553 0 004017 STANDBASELOV EALOVOU4REV3A 1 79 5 0808 9811 GALSM002011__ RUBBER FOOT LSMGALSM002 REV3B 4 o STAND BET 1 1 81 M SCW 084 0813 MF30060BBJ SCREW F3 0 6 BND
20. MTV Type 1 2 64 Sw cRd 75080 MU 050 5 2435 00000000 Auto Run 58 v Enter ISP Mode Erase Targer Program Reset Target Read Program status Lon Create Security File Copyright 2000 2003 Myson Century Inc All rights reserved RANN Fig 3 2 ViewSonic Corporation Confidential Do Not Copy VX924 48 6 Troubleshooting Flow Chart 1 Display color abnormal Display color abnomal Change panel wire Check panel wire Repair open short Check open short Check panel Fix power supply circuit power supply Change M B Check panel Change panel ViewSonic Corporation Confidential Do Not VX924 m a Continental Do Nor 2 Monitor cannot power ViewSonic Corporation Change adaptor Repair open short Change X1 X2 Change failed part Fix power supply circuit 50 Can not power Check adaptor Check K B Open short Check CN 6 R79 Pin 40 of U6 Check power supply 12V 5 2 5 amp 3 3 Change Confidential Do Not Copy VX924 3 Monitor white screen Check panel Change adaptor Vee Change 06 Check Q8 R8 Repair it R81 R87 2 Change UB Check Pin3 o
21. gt 1 1 1 1 LED DIP YELLOW GREEN L 3WYGW 39 ____ L7VD TLOL 180 15 REVA 40 9 ________ 2 205 SWITCHPUCHBUTTON PT 02 B2 50MA 2V __ SW1 SW2 SW3 SW4 SW5_ 5 41 B PS 0204 0076 ASO2BOI2D24 8 035 01 90 24 REVIA 2 9 2 9 563 5 MOUDLE 88 924 1 43 C FP 0301 1033_ 32L9VFBVSO7__ L9VFRONTBEZELASSY 44 ___ 00000987 EAL9VO001018 BEZELLSWEALOVOOLREV3A 45 0301 1047 9 002014 MIDDLEBEZELLOV EALOVOOLREV3A CE 46 M Ms 0808 0400 EBL7VO28019 LENSL7VD EBL7VO amp REV3A 47 PL BT 0706 0165 EBL7V027012 CONTROLBUTTONL7VD EBL7VO7REV3A 1 1 1 OO 48 5 0808 9243 7 003019 LOGOFRONT VSCGSMML7VCCEL7VOOSREV3A 1 1 O 50 C BC 0302 0626 3319 505 LovBACKCOVERASSY Td 51 M cv 08302592 9 003011 LCDCOVERI9WEALOVOOREV3A 52 5 0808 9253 7 00501 LOGOPLATEELLIPSEL7VC FEL7VOOS REV A 1 1 1 O 53 8 0808 9411 170008014 LOCKMETALL7OB FBL7OORREV3A GP 11004 59 000075 29 LCDTFD 19 MI90ENO4REV VS 1 60 08050079 FAL7VOI4077 PCBBKTL7VD FAL7VOI4REVBA 1 61 M MS 0808 9405 FALT7VOISOI3 PCBSHIELDINGL7VD
22. out monitor by grasping the cushion 5 A If the monitor is removed by grasping the LCD panel that may cause MURA ViewSonic Corporation VX924 Correct Methods Incorrect Methods Place the monitor on a clean amp soft foam pad If the monitor is placed on foreign objects that could scratch the surface of the panel ViewSonic Corporation VX924 2 Specification GENERAL specification Test Resolution amp Frequency 1280x1024 60Hz Test Image Size Full Size Factory Default Contrast and Brightness Controls Contrast 70 Brightness 100 e VIDEO INTERFACE 1 Video RGB Analog Video Signals Separate Composite and Sync on Green 2 TMDS Digital Shall be compatible with all PC type computers Video Compatibility Macintosh computers and after market video cards 640 x 350 640 x 480 720 x 400 640 x 400 800 x 600 832 x 624 1024 x 768 1152 x 864 1152 x 870 1280 x 720 1280 x 960 1280 x 1024 Resolution Compatibility The image vertical size might not be full screen But the image vertical position should be at the center Exclusions Not compatible with interlaced video ViewSonic Corporation VX924 POWER SUPPLY Short Circuit Protection Over Current Protection Fuse INRUSH CURRENT COLD START Shall start and function properly when under full load Power Supply Cold Start with all combinations of input voltage i
23. 02 0813 0745 17 002011 SERIALLEBALL7V HCL7VO2REV3A 1 103 M LB 0813 1042 01901 CARTONLABELL7VC HCL7VOISREV8B 1 104 ____ 00002521 HFL9V007011 CARTON VX924L9VDA S HELOVOUZREV8A 1 105 HGL9VOlIOI9 CD QSG VX924L9VDA 5 USAHGLOVOILREVBA 100 JXLMS0001 HANDLELMSSUXLMS0SREV3B GP 1 107 5 0808 9682 JXL9V001010 LCD FILM LOVUXLOVOOLREV3A 108 M LB 0813 1043 HCL7002101 HLPOTLABELL7OL HCL7OOLREV3A J 1 109 HFL9VOO0 9 SPACEPLATELOV HELOVO REVaA J 1 05 moos 9 007018 AMS STICKER VX924 LOVDGHCLOVOOTREVSA 5 5 5 ViewSonic Corporation Confidential Do Not Copy j VX924 nr NN E Ld 2 o x S a 9 gt lt c ViewSonic Corporation EXPLODED PARTS LIST 924 1 ViewSonic Model Number VS10162 3W Rev la ViewSonic P N Description 00000987 BEZEL L9V EAL9V001 REV3A C FP 0301 1047 MIDDLE BEZEL L9V EAL9V002 REV3A PL BT 0706 0165 CONTROL BUTTON L7VD EBL7V027 REV3A M MS 0808 9243 LOGO FRONT VSC 38CM L7VC FEL7V003 REV3A M MS 0808 9401 LENS L7VD EBL7V028 REV3A M MS 0
24. 6 0 1u 6 Jou C45 0 1u 6 24 576MHz v1 x 49 45 OuF 16V T xo 10uF 16V C51 0 1u 6 C52 0 1u 6 3 3V Ground 3 3V Ground 3 3V Ground 3 3V Ground 3 3V Ground 3 3V Ground 3 3V Ground DPLL DPLL GND APLL GND TEST TMDS AVCC PLL TEST2 R58 3AVCC2 TMDS AVCC 4 7 3AVCC2 gt Near to Chip 115 FEB 0805 54 53 P 16 22uF 16V EFEFEF TMDS_TST PWM1 EXT_RES RX2P RX2N RXIP RXIN RXCP RXCN TMDS VDD TMDS VDD TMDS VDD TMDS VDD TMDS GND TMDS GND TMDS GND um 1 ADC_VCC BLUES BLUE SOGIN GREEN GREEN RED RED INV SAVER 119 0805 TMDS_GND B B SOG ADC TEST Gt G R R ADC_VDD ADC VDD ADC VDD ADC REFIO ViewSonic Corporation RTD SCLK RTD_SDO SDI 50101 50102 50103 RTD_SCSB RESET DDC_SDA DDC SCL ADC GND ADC GND ADC GND ADC GND AHS AVS TCON 2J SDIO BPWM2 3 3V Power 3 3V Power 3 3V Power 3 3V Power 3 3V Power 3 3V Power 3 3 Power TCON 12 COUT PWM2 PWMO REFCLK TCON 13 COUT PWM2 2 5V Power 2 5V Power 2 5V Power 2 5V Power 2 5V Ground 2 5V Ground 2 5V Ground 2 5V Ground ARIN AR2N TCON 1 2 1 AR3NITCONIS AR3PITCON 7 AG1NITCO
25. 77 White Y 0 329 35 ESTABLISHED TIMING I 720 X 400 70Hz IBM VGA ViewSonic Corporation 640 X 480 60Hz IBM VGA 640 X 480 67Hz Apple Mac 640 X 480 72Hz VESA 640 X 480 75Hz VESA 800 X 600 56Hz VESA 800 X 600 60Hz VESA Confidential Do Not Copy j VX924 36 ESTABLISHED TIMING II 800 X 600 72Hz 800 X 600 75Hz VESA 832 X 624 75Hz Apple Mac 1024 X 768 60Hz VESA 1024 X 768 70Hz VESA 1024 X 768 75Hz VESA 1280 X 1024 75Hz VESA 37 Manufacturer s Reserved Timing 1152 X 870 75Hz Apple Mac 38 53 Standard Timing Identification 1280 X 1024 60Hz 1152 X 864 75Hz 1024 X 768 85Hz 800 X 600 85Hz 640 X 480 85Hz Not Used Not Used Not Used 54 71 Detailed Timing Descriptor Block 1 1280x1024 Pixel Clock 108 00 MHz Horizontal Image Size 376 mm Vertical Image Size 301 mm Refreshed Mode Non Interlaced Normal Display No Stereo Horizontal Active Time 1280 pixels Blanking Time 408 pixels Sync Offset 48 pixels Sync Pulse Width 112 pixels Border 0 pixels Frequency 63 98 KHz Vertical 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 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number PS3050100001 90 107 Detailed Timing Des
26. 808 9402 BIRD LOGO L7VD FEL7V007 REV3A B CB 0206 0188 L7VD BUTTON B ASSY HW 00001802 FBL9V010018 LCD PANEL LOCK METAL L9V M SCW 0824 0726 CREW F3 0 8L B NI E 00001775 CD TFT 19 190 04 REV V5 HW 00001807 CD L9V FBL9V004 REV3A M SCW 0824 6802 CREW M3 0 4 0 I NI GP 0805 0079 7 014017 PCB L7VD FAL7VO14 REV3A 00002522 ABLE MB OVER DRIVER 30P 50MM L9V 5 GP B PS 0204 0076 502 012024 ADD INV FSP035 1PI01 90 264V REVIA B 00002519 L9I M B ASSY FOR L9VDA 5 REALTEK2523 AU M MS 0808 9398 CABLE ASSY L7VD BUTTON MB 8P 10P 8 0824 6799 MM35080BBW2 SCREW M3 5 8 B NLWASHER M SCW 0824 6800 MMSO00601BJ8 SCREWM30 60 ND o o 7 M SCW 0824 6895 SCREW F4 0 8 I NI M BK 0805 0111 L9V FBL9V002 REV3A M CV 0830 2590 HINGE L L9V FBL9V001 REV3A 36 0830 2591 HINGE R L9V FBL9V003 REV3A 37 M MS 0808 9411 LOCK METAL L70B FBL70008 REV3A 38 M CV 0830 2592 CD COVER L9V EAL9V003 REV3A 39 M SCW 0824 6859 CREW 4 0 6 BNINYLOCK 40 0830 2593 COVER L9V EBL9V003 REV3A 41 5 0808 9253 42 M SCW 0824 0870 MS40070B808 SCREW 4 0 7 BMC NYLOCK 43 M MS 0808 9815 UBBER PLUG L9V PL 00001804 RUBBER HOLDER PL 00001805 RUBBER BKT PL 00001806 RUBBER HOLDER 00002525 DDOL9VLCOI5 CABLEMB LCDGOP I40MM 1 48 MBL9V001019 HONUTLOVDA S 49 00002520 2219 0 0005 19
27. C functions required for LCD displays On chip functions include a high speed triple ADC PLL high scaling engine and OSD controller a Clock Generation Crystal Input Clock TCLK and XTAL This is the input pair to an internal crystal oscillator and corresponding logic A 24 576 MHz crystal is recommended b Analog to Digital Converter The RTD2523 chip has three ADCs analog to digital converters one for each color red green and blue The analog RGB signals are connected to RTD2523 as described below Pin Name Pin Number Red 37 Red 38 Green 34 Green 35 Blue 30 Blue 31 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 ViewSonic Corporation Confidential Do Not j VX924 24 d MTV312 Micro Controller The 312 micro controller MCU serves as the system micro controller It programs the RTD2523 and manages other devices in the system such as the keypad the backlight the LED the audio system and the non volatile RAM using general purpose input output GPIO pins Pin number Pin Name Pin Usage 1 5 2 Key Power on off 13 P3 4 NV_RAM U4 SDA 14 5 NV_RAM 04 SCL 41 P5 4 Key down 40 P5 5 Key right 42 5 3 34 5 6 Key_left 9 6 3 Key_mute 2 5 1 K
28. ENTS 1 Precautions and Safety Notices 1 2 Specification 5 3 Front Panel Function Control Description 11 4 Circuit Description 17 5 Adjustment Procedure 27 6 Troubleshooting Flow Chart 49 7 Recommended Spare Parts List 55 8 Exploded Diagram and Spare Parts List 58 9 Block Diagram 68 10 Schematic Diagrams 70 11 PCB Layout Diagrams 78 ViewSonic Corporation Confidential Do Not VX924 1 Precautions and Safety Notices 1 Appropriate Operation 0 0 3 4 5 6 0 8 9 10 2 Caution Tum off the product before cleaning Use only a dry soft cloth when cleaning the LCD panel surface Use a soft cloth soaked with mild detergent to clean the display housing Use only a high quality safety approved AC DC power cord Disconnect the power plug from the AC outlet if the product will not be used for a long period of time If smoke abnormal noise or strange odor is present immediately switch the LCD display off Do not touch the LCD panel surface with sharp or hard objects Do not place heavy objects on the LCD display video cable or power cord Do not use abrasive cleaners waxes or solvents for your cleaning Do not operate the product under the following conditions Extremely hot cold or humid environment Areas containing excessive dust and dirt Near any appliance generating a strong magnetic field In direct sunlight No modification of any c
29. Interface Connector be sure not to rotate or tilt the Interface Connector of the TFT Module ViewSonic Corporation Confidential Do Not Copy VX924 11 After installation of the TFT Module into enclosure LCD monitor housing for example do not twist bend the TFT Module even momentarily When designing the enclosure it should be taken into consideration that no bending twisting forces may be applied to the TFT Module from outside Otherwise the TFT Module may be damaged 12 The cold cathode fluorescent lamp in the LCD contains a small amount of mercury Please follow local ordinances or regulations for disposal 13 The LCD module contains a small amount of materials having no flammability grade The LCD module should be supplied with power that complies with the requirements of Limited Power Source IEC60950 UL1950 or an exemption should be applied for 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 ViewSonic Corporation Confidential Do Not Copy VX924 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 polarizer VUE E 2 a ties D If the surface of the panel is pressed by fingers this may cause MURA Take
30. Item Press the 2 button to enter the user color page Press the 1 button to exit the page Red Green Blue Options Press the 2 button to cycle among the colors Press the 1 button to exit the page Press the A button to increase the selected color level Press the button to decrease the selected color level Confidential Do Not VX924 27 M M DE 5 Information Page Press the 2 button to enter the information page Press the 1 button to exit the information page 6 Manual Image Adjust Page Press the 2 button to enter the manual image adjustment page Press the 1 button to exit the page Press the A button to highlight the previous item or the V button to highlight the next item 1 Position Item Press the 2 button to enter the horizontal vertical postion adjustment page Press the 1 button to exit the page a Horizontal Position Press the 2 button to enter the vertical position adjustment page Press the 1 button to exit the page Press the A button to shift the image to the right Press the button to shift the image to the left b Vertical Position Press the 2 button to return to the horizontal position adjustment page Press the 1 button to exit the page Press the button to shift the image upward Press button to shift the image downward 2 Horizontal Size Item Press the 2 button to enter the horizontal size adjustme
31. Menu Press the 1 Menu button to enter the Main Menu Press the A button to highlight the previous item or button to highlight the next item Press the 1 Menu button to exit the Main Menu 1 Auto Image Adjust Page Press the 2 button to execute the auto image adjust function Press the 1 button to exit the page 2 Contrast Brightness Page Press the 2 button to enter the contrast adjustment page Press the 1 button to exit the page 1 2 Contrast Item Press the A button to increase the contrast Press the button to decrease the contrast Press the 2 button to enter the brightness adjustment page Press the 1 button to exit the page Brightness Item Press the button to increase the brightness Press the button to decrease the brightness Press the 2 button to enter the contrast adjustment page Press the 1 button to exit the page 3 Input Select Page Press the 2 button to switch to digital input mode 4 Color Adjust Page Press the 2 button to enter the color adjustment page Press the 1 button to exit the page ViewSonic Corporation 1 2 3 4 5 Press the button to highlight the previous item or button to highlight the next item sRGB Item 9300K Item 6500K Item 5400K Item Press the 2 button to select the currently highlighted item Press the 1 button to exit the currently highlighted item User Color
32. NIB AG1P TCON 9 AG2N TCON 10 AG2PITCON 11 BG3N BG3P BCLKN BCLKP BBIN BB1P BB2N BB2P BB3N BB3P RTD2523 AG3N TEAN AG3P TEAP ACLKN TEBN ACLKP TEBP ABIN TECN 2 AB2P TECLKP AB3N TEDN AB3P TEDP BRIN TOAN BR1P TOAP BR2N TOBN BR2P TOBP BR3N TOCN BG1N TOCLKN BG1P TOCLKP BG2N TODN BG2P TODP TCON SVI2 TCONI BINI TCON DJ VCLK TCON 7 TCONIBJ VIS DDCSDA DDCSCL DDCSDA2 DDCSCL2 TCONI S VIS TCON 1 V 3 94 RXEINO 93 RXEINO 92 RXEIN1 91 RXEINT RXEIN2 RXEINZ 88 RXECKIN 87 RXECKIN 86 RXEINS 85 RXEIN3 82 RXOINO RXOINO RXOIN1 RXOINT RXOIN2 IL RXOIN2 76 RXOCKIN RXOCKINS RXOIN3 73 RXOIN3 111 4 ROR 4 10 6 TCON11 TCON10 TCONS 4 46 125 126 116 5 122 5123 Confidential Do Not Copy 12 924 TEST POINT VBRI VOLUME TCONS R59 6 TCONG TCONT TCONS R60 j 6 R61 6 R62 JG TCONS R63 22 6 TCONTO TCONTT R64 76 R65 VBE RTD_2523 Document Number mRTD2523 DE A Friday October 15 2004 R165 NC 100K 6 026 R82 4 7 6 2 3906 2 3906 9 ATMS 2 2N3906 913 1037 NC 1U 16V 9 less R94 to CN6 11 R101 R103 net swap RY 1 6 R
33. Not Copy VX924 Main Menu Controls Adjust the menu items shown below by using the up Aand down buttons Control Explanation AUTO Auto Image Adjust automatically sizes centers and fine tunes the video signal to eliminate waviness and distortion NOTE 1 Auto Image Adjust works with most common video cards If this function does not work on your LCD display then lower the video refresh rate to 60 Hz and set the resolution to its pre set value 2 The Auto Image Adjust and most Manual Image Adjust functions are not available for DVI input Contrast adjusts the difference between the image background black level and the foreground white level 2 Brightness adjusts background black level of the screen image 2 Input Select allows you to toggle between an analog and a digital signal Color Adjust provides several color adjustment modes preset color temperatures and User Color which allows you to adjust red R green G and blue B separately The factory setting for this product is 6500 6500 Kelvin J e ly 7 1 Color Adjust sRGB 9300 6500K 5400 User Color 1 Exit 2 Select sRGB sRGB is quickly becoming the industry standard for color management with support being included in many of the latest applications Enabling this setting allows the LCD display to more accurately display colors the way they were originally
34. OVERDRIVER BASSY lt 1 41 41 41 41 41 41 41 gt lt N 95 ARIA ViewSonic Corporation 924 59 Packing for shipping PACKING PART LIST 924 1 ViewSonic Model Number VS10162 3W Rev la Item ViewSonicP N Ref PN 0 P 00002521 HFL9V007011 7 M LB 0813 1042 HCL7V019011 label 8 5 0808 9817 HAL9V002014 bag A PC 0106 0224 DM333181G97 Power 1 8M 6 en ViewSonic Corporation Confidential Do Not Copy VX924 60 uni EA IONE Packing procedure 1 Apply protective film to the display surface 2 Put the monitor in EPE bag and seal the bag with tape ViewSonic Corporation 924 4 Put the monitor into the carton and put all the accessories into the carton Then close the carton Power cord Disassembling the monitor 1 Turn the monitor to face the back and remove the I O cover ViewSoni VX924 ViewSonic Corporation 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 E 5 Separate the back cover and the front bezel ViewSonic Corporation Confidential Do Not Copy 924 63 gd M 6 Remove the screws that fix the button board and pull the ca
35. Offset 1 lines Sync Pulse Width 3 lines Border 0 lines Frequency 60 02 Hz Digital Separate Horizontal Polarity Vertical Polarity 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number 53050100001 90 107 Detailed Timing Descriptor Block 3 Monitor Range Limits Min Vertical Freq 50 Hz Max Vertical Freq 85 Hz Min Horiz Freq 30 KHz Max Horiz Freq 82 KHz Pixel Clock 140 MHz Secondary GTF Not Supported 108 125 Detailed Timing Descriptor Block 4 Monitor Name 924 126 No Extension EDID Block s 127 CheckSum OK ViewSonic Corporation Confidential Do Not Copy VX924 6 THEORY OF OPERATION This section describes the function of the LCD monitor per functional block This monitor includes MB board power board and button board 6 1 MB BOARD The MB board is a two layer single grounded design with ground and internal planes provided DC power from the power board enters the board through a 6P connector The other connector on the board is for the button board The VGA cable is a signal cable that carries the video sync and DDC signals from the PC VGA adapter This system board consists of 4 functional areas flat panel controller MCU with flash ROM and power regulators 6 1 1 Flat panel controller RTD2523 U7 The heart of the system board is the Realtek RTD2523 The RTD2523 is a graphics processing IC designed for LCD monitors It provides all key I
36. Service Manual ViewSonic VX924 Model No VS10162 19 Color TFT LCD Display VX912_SM 1a May 2005 onic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Copyright Copyright 2005 by ViewSonic Corporation All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical 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 fitness for any particular purpose 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 Trademarks Optiquest is a registered trademark of ViewSonic Corporation ViewSonic is a registered trademark of ViewSonic Corporation All other trademarks used within this document are the property of their respective owners Revision History Revision SM Editing Date ECR Number Description of Changes Editor la 05 09 05 Initial Release A Lu ViewSonic Corporation Confidential Do Not Copy 924 TABLE OF CONT
37. V Position H Size Fine Tune Sharpness Exit 2 Select 1 ViewSonic Corporation Confidential Do Not VX924 Control Explanation The Manual Image Adjust controls are explained below H V Position Horizontal Vertical Position moves the screen image left or right and up or down H Size Horizontal Size adjusts the width of the screen image Fine Tune sharpens the focus by aligning the text and or graphic characters Sharpness adjusts the clarity and focus of the screen image Setup menu displays the menu shown below Setup Menu Begue Language Select Resolution Notice OSD Position OSD Timeout OSD Background Exit 2 Select The Setup Menu controls are explained below Language allows you to choose the language used in the menus and control screens Resolution Notice displays the Resolution Notice menu shown below Resolution Notice For the best quality change the resolution to 1280 x 1024 Press 1 to clear message Press 2 todisable message 1 Exit 2 Select Resolution Notice advises the optimal resolution to use OSD Position allows you to move the on screen display menus and control screens ViewSonic Corporation Confidential Do Not Copy VX924 Control Explanation OSD Timeout sets the length of time the on screen display screen is displayed For example with a 15 second setting if a contr
38. ble 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 ViewSonic Corporation 924 9 Remove MB LCD connector and loosen the four screws the PCB holder Screws 10 Separate the PCB holder from the panel ViewSonic Corporation Confidential Do Not Copy VX924 65 11 Loosen the four screws the sides of the panel 12 Remove the front bezel and panel ViewSonic Corporation Confidential Do Not Copy 13 Remove the four hexagon screws beside the DVI 4 D SUB connectors ViewSonic Corporation Confidential Do Not VX924 67 9 REALTEK RTD23523BLOCK DIAGRAM DDC SCL DDC SDA HSYNC VSYNC Triple ANALOG AR AG AB ADC RGB Interface AIC1563 AIC117ADJ AICII17ADJ DDC 24C02 DVI Crystal Panel 2 Interface LVDS 5 Over driver LVDS 19 Panel 2 Board ES SCL CLK EEPROM SDA CLK um Interface CPU RQ ISP MTV312V64 Panel Inverter control Switch 51230105 Backight Control BRIGHTNESS Inverter ON OFF Crystal 11 059MHz POWER 2 3 3V 2 5V 924 Confidential Do Not Copy ViewSonic Corporation 68 69 oq enuapguo
39. button 1 Main Menu amp Auto Image Adjust 2 Contrast Brightness Input Select Color Adjust Information gt Manual Image Adjust 2 Setup Menu 15 Memory Recall Exit 2 Select NOTE OSD menus and adjustment screens disappear automatically after about 30 seconds This is adjustable through the OSD timeout setting in the setup menu 2 To select a setting to be adjusted press Aor V to scroll up or down the Main Menu 3 After the desired control is selected press button 2 A control screen like the one shown below appears Contrast The line at the bottom of the screen tells you what you can do next Exit or select the Brightness conto 1 Exit 2 35 Brightness 4 To adjust the setting press the up Aor down buttons 5 To save the adjustments and exit the menu press button 1 twice The following tips may help you optimize your display Adjust your computer s graphics card so that it outputs a 1280 x 1024 60Hz video signal to the LCD display Look for instructions on changing the refresh rate in your graphic card s user guide 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 ViewSonic Corporation Confidential Do
40. c All rights reserved ARE PRE ELS Fig 2 5 46 innt VX924 Appendix Using ISP to program MCU 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 Myson Century ISP 2 5 m a File Action Edit Buffer Help MCU Fill Documents and Settings sw Desktop 8xx6_ Load MCU File 050 Fild 12 64 050 0 061 Auto Run SAN crd HAN crd Check Suf2435 Max Adar FARA Enter ISP Mode Message Erase Taraer CPU Read HEX File OK Program Reset Taraet RUN Reset MCU NO Program status Create Security File Copyright 2000 2003 Myson Century Inc All rights reserved te el 1 Fig 3 1 ViewSonic Corporation Confidential Do Not Copy 924 7 UE 2 If the user changes the MTV type the must be loaded again as the previously loaded file will be cleared 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 Myson Century ISP 2 5a E File Action Edit Buffer Help MCU File C Documents and SettingssswNDesktop 8sxb _ Load MCUFile 050 Fild
41. criptor Block 3 Monitor Range Limits Min Vertical Freq 50 Hz Max Vertical Freq 85 Hz Min Horiz Freq 30 KHz Max Horiz Freq 82 KHz Pixel Clock 140 MHz Secondary GTF Not Supported 108 125 Detailed Timing Descriptor Block 4 Monitor VX924 126 No Extension EDID Block s 127 CheckSum OK ViewSonic Corporation Confidential Do Not Copy VX924 21 Digital EDID 128 BYTES OF EDID CODE 0 1 2 3 4 5 6 7 8 9 0 00 FF FF FF FF 00 5A 63 10 OF 01 01 01 01 01 OF 01 03 20 80 26 1 78 2 68 75 2 5 49 30 9 23 13 50 54 80 81 80 40 71 4F 61 59 45 59 31 59 31 OA 50 01 01 01 01 30 2 00 98 51 00 60 2A 40 30 70 13 00 78 2D 11 00 70 00 IE 00 00 00 FF 00 50 53 33 80 30 35 30 31 30 30 30 30 31 90 00 00 00 FD 00 32 55 IE 52 OE 100 00 20 20 20 20 20 20 00 00 110 00 00 56 58 39 32 34 20 120 20 20 20 20 20 20 00 28 08 09 ID Manufacturer Name VSC 11 10 Product ID Code 12 15 Last 5 Digits of Serial Number Not Used 16 Week of Manufacture 01 17 Year of Manufacture 2005 10 17 Complete Serial Number See Descriptor Block 18 EDID Version Number 1 19 EDID Revision Number 3 20 VIDEO INPUT DEFINITION Digital Signal Non VESA DFP 1 x Compatible 21 Maximum Horizontal Image Size 380mm 22 Maximum Vertical Image Size 300mm 23 Display Gamma 2 20 24 Power Management and Supported Feat
42. ey_select 27 P6 0 LED_red 26 P6 1 LED_green 16 P6 2 LCD panel power on off control 17 1 0 Backlight off control e Panel Power Sequencing PANEL_PW12 3 Pin 16 18 The MTV312 has two dedicated outputs VDDCTRLI and 2 Pin32 and Pin3 are stable to control LCD power sequencing once data and control signals f Panel interface Pin73 94 The RTD2523 driver interface is highly programmable It supports dual bus dual port for SXGA drivers 6 1 2 Power Regulator AIC1563 02 1117 01 03 The AIC1563 is a monolithic control IC containing the primary functions required for DC to DC converters The device consists of an internal temperature compensated reference a comparator and a controlled duty cycle oscillator with an active current sense circuit The desired output voltage is determined by the equation Volt 1 25 1 R11 R12 In this case the output voltage is 5 Volts The AIC1563 is a low dropout positive adjustable regulator with minimum of 1A output current capability so it is well suited to serve as a 3 3 V or 2 5 V regulator 6 1 3 Power Regulator AIC1117CY U1 U3 The AIC1117CY is a monolithic control IC containing the primary functions required for DC to DC converters The device consists of an internal temperature compensated reference a comparator and a controlled duty cycle oscillator with an active current sense circuit The desired output voltage is determined by t
43. f UB Check LvDS Change U3 output of UB 2 Change ViewSonic Corporation Confidential Do Not Copy VX924 51 4 Monitor black screen Black screen Change panel Check inverter Change inverter Check Q1 Repair it R74 R78 Check Pin36 Change UB of UB Check Repair it L24 L25 Q4 OK Change M B ViewSonic Corporation l Confidential Do Not Copy VX924 52 E 5 Analog input always shows NO SIGNAL Change it VGA cable Check sync of Change U3 Pin37 38 of U3 Check CN1 L8 C11 C13 R11 R14 Change M B ViewSonic Corporation l Confidential Do Not Copy VX924 53 6 Digital input always shows NO SIGNAL Change DVI cable 7 Change U3 Check Pin49 50 of U3 m Check CN2 amp Change M B ViewSonic Corporation l Confidential Do Not Copy VX924 54 ale Ee 7 Recommended Spare Parts List RECOMMENDED SPARE PARTS LIST VX924 1 ViewSonic Model Number VS10162 3W ViewSonic Corporation 55 Rev la Item Description ECR ECN ViewSonic P N Ref P N Location Q ty PC Board Assembly main board B 00002519 29L9IMBOOES main board 1 2 Over driver board B 00002520 22L9V0B0005 Over driver board 3 4 Cabinets 5 6 7 Cables 8 MB LCD cable 9 Cable for MB over driver CB
44. he equation Volt 1 25 1 R17 R15 In this case the output voltage is 2 5 Volts for panel power ViewSonic Corporation 25 Confidential Do Not Copy VX924 6 2 Power Inverter Board This is a specific power inverter board for VX912 monitor with output of 40W 12V 3 5A It provides 12 VDC to drive the four cold cathode fluorescence tubes in the backlight 6 2 1 The inverter s electrical specification is described below Input Rated Input Voltage 12Vdc Input Voltage Range 11 4 12 6 Input Current Output On Off control Voltage 2 3 3 for on 0 1 for off Rated Output Strike on Voltage 1500Vrms Rated Output Voltage 710Vrms at 7mA Rate Output Frequency 40 50KHz Rated Output Current 7 8 mA 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 of 4 16A The electrical specification is described below Rated Input Voltage 90 240 Vac 50 60Hz 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 amp Noise 120mVp p Rate Output Current lt 3 5 Turn on delay lt 3secs ViewSonic Corporation 26 VX924 5 Adjustment Procedure OSD Function Menu A When in Analog Input Mode 1 Main
45. ig 2 3 ViewSonic Corporation 924 44 4 shown 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 Speed of IIC bus Myson Century ISP 2 File Action EditBuffer Help Type ISP 05 MCU 050 MCU OSD File Auto Run Enter ISP Mode Erase Targer Program Reset Target CekSu 12 Addr fe Reset MCU ViewSonic Corporation Program status Create Security File Century Inc All rights reserved AOE RELET AE Security code Fig 2 4 VX924 5 Fig 2 5 shows the settings for the ISP software s security code It requires two command numbers and the commands must be keyed in sequentially 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 Myson Century ISP 2 File Action EditBuffer Help MTV Type ISP MEU 055 MCU 050 MCU File OSD File Auto Run Enter ISP Erase Program Reset Target Read Reset MCU ViewSonic Corporation Program status 3 Create Security File Century In
46. intended Enabling the sRGB setting will cause the Contrast and Brightness adjustments to be disabled 9300K Adds blue to the screen image for cooler white used in most office settings with fluorescent lighting ViewSonic Corporation Confidential Do Not Copy VX924 Control Explanation 6500 44 red to the screen image for warmer white and richer red 5400K Adds green to the screen image for a darker color User Color Individual adjustments for red R green G and blue B 1 To select color R G or B press button 2 2 To adjust selected color 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 preset Information displays the timing mode video signal input coming from the graphics card in your 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 rate vertical frequency NOTE VESA 1280 x 1024 60Hz recommended means that the resolution is 1280 x 1024 and the refresh rate is 60 Hertz Information H Frequency 31 47 kHz Frequency 31 47 Hz Pixel Clock 24 80 MHz Resolution 640x480 Model No Serial No www ViewSonic com 1 Exit 2 Select lt gt Manual Image Adjust displays the Manual Image Adjust menu Manual Image Adjust H
47. ircuit should be attempted Service work should only be performed after you are thoroughly familiar with all of the following safety checks and servicing guidelines 3 Safety Check Care should be taken while servicing this LCD display Because of the high voltage used in the inverter circuit the voltage is exposed in such areas as the associated transformer circuits 4 LCD Module Handling Precautions 4 1 Handling Precautions 1 2 3 4 5 6 7 8 9 10 Since front polarizer is easily damaged pay attention not to scratch it Be sure to turn off power supply when connecting or disconnecting input connector Wipe off water drops immediately Long contact with water may cause discoloration or spots When the panel surface is soiled wipe it with absorbent cotton or other soft cloth Since the panel is made of glass it may break or crack if dropped or bumped on hard surface Since CMOS LSI is used in this module take care of static electricity and ensure human earth when handling Do not open or modify the Module Assembly Do not press the reflector sheet at the back of the module in any direction In the event that a Module must be put back into the packing container slot after it was taken out of the container do not press the center of the CCFL Reflector edge Instead press at the far ends of the CFL Reflector edge softly Otherwise the TFT Module may be damaged At the insertion or removal of the Signal
48. mp BUTTON Document Number DISPLAY Date Friday October 15 2004 Bheet ViewSonic Corporation Confidential Do Not Copy VX924 13 ViewSonic Corporation lt 5 5DVCC VCC12 S 12065 08 51230105 a m PANEL 5 12VCC 5 42 lil as DTC144EUA PANEL PW12 PANEL 3VCC gt PANEL 5 12VCC gt C68 2200 6 100U 16V BBN BBZP BB2N BBIP BBIN BCLKN 1 13 m BGP BG3N RXOINO 7 RXOINO RXOCKIN __20 RXOCKINF RXOINT RXOINT RXOINZ RXOINZ RXOIN3 RXOIN3 L16 117 RXECKIN RXECKIN RXEINTS RXEIN2 RXEIN2 RXEING 14 RXEIN3 15 16 AG2P 1 AG2N 18 AGIP AGIN ARIP ARN ARZP ARZN ARIP ARIN FXDIO 32 XSTB 33 POL 34 BXDIO 35 YDIO _____39 40 4 0805 L18 F B 0805 NC T t 321 44 0805 FEB_0805 NC C85 0 1U 8 NC C66 74 RSDS CONSO NC 0 1U 6 NC Confidential Do Not Copy 010 NC SI2301DS PANEL 3VCC o R75 NC 82K 6 cn IC 2200P 6 li R76 NC 10K 6 2200 6 gt gt PANEL_3VCC C74 NCH00UA6V RIT NC 10K 6 Qn NC DTC144EUA
49. nc GND 11 NC None 12 SDA DDC Data 13 HS Horizontal Syne 14 VS Vertical Sync 15 SCL DDC Clock ViewSonic Corporation Confidential Do Not Copy 924 CN9 DVI D 3 Electrical Specifications 3 1 Standard conditions 2 3 Video signal connector for digital input 24pin DVI D connector MUN TIU Cu me renane pe em LLL Display Area 404 2 x 330 0 mm Video Signal 0 7Vpp Contrast Max Brightness Max Ambient 20 5 Input AC Warming up gt 30 min Display 1280 x 1024 ViewSonic Corporation 18 VX924 3 2 32 1 Power supply Input voltage 100 240Vac Power frequency 50 60Hz Input current lt 1 5 RMS 90V AC Inrush current lt 0 8 RMS 180V AC 50 at 120Vac cold start Power consumption 35 W typical 40Watts Max 32 2 Power Management State Power Indicator On 35 Watts Green Standby lt 1Watts Amber Off lt 1 Watts Off 3 3 Acceptable timing This LCD display can automatically detect and display input signals whose timing falls within the following limits Horizontal Sync frequency 30 82 kHz Vertical Sync frequency 56 75Hz 3 4 Signal level and input impedance 3 4 1 Video signal level 0 7Vp p 3 4 2 Sync signal level separate TTL level 3 4 3 Input impedance Analog video input 75 ohm Digital video input 100 ohm Sync input gt 1 k ohm Audio inpu
50. nput frequency and operating temperature Shall be able to withstand an ANSI IEEE C62 41 1980 Power Supply Transient Immunity 2000V 200 ampere ring wave transient test with no damage Shall be able to withstand 1 5 times nominal line voltage for one cycle with no damage Shall be able to function properly without reset or visible Power Supply Missing Cycle Immunity screen artifacts when cycle of AC power is randomly missing at nominal input The power supply shall not produce audible noise that would be detectable by the user Audible shall defined Power Supply Acoustics to be in compliance with ISO 7779 DIN EN27779 1991 Noise measurements of machines acoustics Power Switch noise shall not be considered Separate 3 prong NEMA 5 15P type plug Length US Type Power Cable 1 8m Connects to display Color Black Schuko CEE7 7 type plug European Type Power Cable Length 1 8m Connects to display Color Black ViewSonic Corporation VX924 Power Cable PSE Power Cable Power Saving Operation Method Power Consumption e ELECTRICAL REQUIREMENT Horizontal Vertical Frequency Horizontal Frequency Vertical Refresh Rate Maximum Pixel Clock Separate 3 prong type plug Length 1 8m Connects to display Color Black Separate 2 prong NEMA 1 15P type plug Length 1 8m Connects to display Color Black VESA DPMS Signaling ON Mode lt 40 W Max 35 W
51. nt page Press the 1 button to exit the page Press the A button to make the image wider Press button to make the image narrower 3 Fine tune Item Press the 2 button to enter the fine tuning page Press the 1 button to exit the page Press Button to adjust character position in one direction Press to adjust character position in the other direction 4 Sharpness Item Press the 2 button to enter the sharpness adjustment page Press the 1 button to exit the page Press Button to increase image sharpness Press Button to decrease image sharpness 7 Setup Menu Page ViewSonic Corporation Press the 2 button to enter the setup menu page Press the 1 button to exit the page Press the A button to highlight the previous item or button to highlight the next item 1 Language Select Item Press the 2 button to enter the language selection page VX924 28 Press the 1 button to exit the page Press the A button to highlight the previous item or the button to highlight the next item 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 Press the 1 button to exit the page Enable Disable Option Press the 2 button to select the highlighted option Press the 1 button
52. o 220 Tilt Down From 0 down to 3 5 e ENVIRONMENTAL Operating Temperature 0 C to 40 C 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 ViewSonic Corporation VX924 3 Front Panel Function Control Description Adjusting the Screen Image Use the buttons on the front control panel to display and adjust the OSD controls which display on the screen The OSD controls are explained at the top of the next page and are defined in Main Menu Controls on page 13 Main Menu Auto Image Adjust with OSD controls Front Control Panel shown below in detail n Scrolls through menu options and adjusts the displayed control Also a shortcut to display the Contrast adjustment control screen Displays the control screen for the Displays the Main Menu or exits the highlighted control control screen Also toggles between two controls on and saves some screens adjustments Also a shortcut to toggle analog and digital connection I Power light Green ON Orange Power Saving Power On Off VX924 ViewSonic Corporation 1 Do the following to adjust the display setting 1 To display the Main Menu press
53. o enter the Brightness Dialog ViewSonic Corporation Press the A button to increase the contrast Press the V button to decrease the contrast Confidential Do Not VX924 32 M M DE 2 Brightness Dialog Press the A or V button to enter the Brightness Dialog Press the 1 button to exit the Brightness Dialog Press the 2 button to enter the Contrast Dialog Press the A button to increase the brightness Press the button to decrease the brightness 3 Analog Digital Dialog Press the 2 button to toggle between analog and digital modes C Other Information When the No Signal or Out of Range messages appear If no input signal is detected the Signal message will appear in the center of the screen If the V Sync signal rate is greater than than 85Hz or its resolution is greater than SXGA the Out of Range message will appear in the center of the screen Activating Factory Mode and Burn Mode While the device 18 in standby press the 2 button then press the power button to enter Factory Mode While Factory Mode is active an additional menu page titled Factory Menu will be accessible Press the 2 button to enter the Factory Menu page then press the 2 button to enter Burn Mode When Installing a New Main Board 1 Enter Factory Mode 2 Usea PC or chrom to send a 32 tone gray scale signal to the monitor 3 Select Color ViewSonic Corporation
54. ol is not pushed within 15 seconds the display screen disappears OSD Background allows you to turn the On Screen Display background On or Off Memory Recall returns the adjustments back to factory settings 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 or Power Lock setting ViewSonic Corporation Confidential Do Not Copy VX924 4 Circuit Description 1 Outline 1 1 Buttons on the front panel Power On Off button button 2 ENTER INPUT SELECT up arrow button down arrow button button 1 MENU 1 2 The D sub 15 pin connector DVI I connector and AC IN jack are located on the back side of the cabinet 1 3 The OSD menu includes the following functions Auto Image Adjust only active under analog input Contrast Brightness Audio Adjust Color Adjust Information Manual Image Adjust Setup Menu Memory Recall 1 4 Contrast and Brightness can be directly controlled with the UP DOWN buttons 2 Connectors 2 1 AC Socket CEE22 type connector 2 2 Video signal connector for analog input 15P Mini D Sub CN6 PIN MNEMONIC SIGNAL DB15HD 1 RV Red Video 17 2 GV Green Video 3 BV Blue Video 4 NC None 5 GND Ground DDC return 6 RG Red GND 7 GG Green GND 8 BG Blue GND 9 5V 5V for DDC 10 SG Sy
55. our installation settings click Back Click Cancel to exit the wizard Current Settings Setup Type Destination Folder C Program Files Myson Century ISP User Information Mame SW TVT Company TVI InstallShield Cancel Fig 1 3 6 When installation has finished press the Finish button see Fig 1 4 je ISP Driver InstallShield Wizard InstallShield Wizard Completed The InstallShield Wizard has successfully installed ISP Driver Click Finish to exit the wizard ViewSonic Corporation Confidential Do Not Copy 924 43 daa es ee hend Appendix How use software to upgrade BIOS 1 After installation shortcuts may be found in the settings path or the program menu default setting see Fig 2 1 020000 L1 mp3 0 Free AOL amp Unlimited Internet 7 RealOne Player DY Acrobat Reader 5 0 Internet Explorer MSN Explorer Outlook Express 7 RealOne Player Remote Assistance Windows Media Player Set Program Access and Defaults Fig 2 1 2 The security file is a key to use ISP functions press the OK button See Fig 2 2 warning x 22 None security File Fig 2 2 3 The warning shown in Fig 2 3 is used to remind the user that a CPU rate that differs from protocol may cause the ISP functions to fail press the OK button ad Warning Please select the speed what you want F
56. ration Confidential Do Not Copy j 924 29 2 Other Menu This shortcut menu is directly accessible without bringing up the OSD 1 Contrast Dialog Press the A button to enter the Contrast Dialog Press the 1 button to exit the Contrast Dialog Press the 2 button to enter the Brightness Dialog Press the A button to increase the contrast Press the button to decrease the contrast 2 Brightness Dialog Press the A button to enter the Brightness Dialog Press the 1 button to exit the Brightness Dialog Press the 2 button to enter the Contrast Dialog Press the A button to increase the brightness Press the button to decrease the brightness 3 Analog Digital Dialog Press the 2 button to toggle between analog and digital modes B When in Digital Input Mode 1 Main Menu Press the 1 Menu button to enter the Main Menu Press the A button to highlight the previous item or the V button to highlight the next item Press the 1 Menu button to exit the Main Menu 1 Auto Image Adjust Page Press the 2 button to execute the auto image adjust function Press the 1 button to exit the page 2 Contrast Brightness Page Press the 2 button to enter the contrast adjustment page Press the 1 button to exit the page 1 Contrast Item Press the A button to increase the contrast Press button to decrease the contras
57. rogram see Fig 0 1 InstallShield Self extracting EXE This will install DriverLINX Port Driver Do you wish to continue Port95nt exe Fig 0 1 3 Continue through the installation process by pressing Next four times see Fig 0 2 x Welcome to the DriverLINX Port 1 0 Driver Setup program This program will install Port 1 0 Driver on your computer It is strongly recommended that you exit all Windows programs before running this Setup program Click Cancel to quit Setup and then close any programs you have running Click Next to continue with the Setup program WARNING This program protected by copyright law and international treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law Next gt Fig 0 2 ViewSonic Corporation Confidential Do Not Copy VX924 39 4 Choose Typical then press Next see Fig 0 3 2 Setup 4 4 Program will be installed with the most common options Recommended for most users Program will be installed with minimum required options You may choose the options you want to install Recommended for advanced users Destination Directory C Program Files DLPortlO Browse lt 1 Ne
58. t Press the 2 button to enter the brightness adjustment page Press the 1 button to exit the page 2 Brightness Item Press the A button to increase the brightness Press the button to decrease the brightness Press the 2 button to enter the contrast adjustment page 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 ViewSonic Corporation Confidential Do Not VX924 30 Press the 1 button to exit the page Press the A button to highlight the previous item or button to highlight the next item 1 sRGB Item 2 9300K Item 3 6500K Item 4 5400K Item Press the 2 button to select the currently highlighted item Press the 1 button to exit the currently highlighted item 5 User Color Item Press the 2 button to enter the user color page Press the 1 button to exit the page Red Green Blue Options Press the 2 button to cycle among the colors Press the 1 button to exit the page Press the A button to increase the selected color level Press the button to decrease the selected color level 5 Information Page Press the 2 button to enter the information page Press the 1 button to exit the information page 6 Manual Image Adjust Page Press the 2 button to enter the manual image adjustment page Press the
59. t 10K ohm 4 Signal Cable Signal cable with Mini D Sub 15P connectors at both ends Length 1 8 meter ViewSonic Corporation 924 5 EDID data AUO Analog EDID 128 BYTES OF EDID CODE 0 1 2 3 4 5 6 7 8 9 0 00 FF FF FF FF FF FF 00 5 63 10 OF 01 01 01 01 01 OF 01 03 20 OE 26 1E 78 2E 68 75 A2 5A 49 30 9F 23 13 50 54 BF EF 80 81 80 40 71 4F 61 59 45 59 31 59 01 Ol 50 01 01 01 01 30 2A 00 98 51 00 60 2A 40 30 70 13 00 78 2D 11 00 70 00 1 00 00 00 00 50 53 33 80 30 35 30 31 30 30 30 30 31 OA 90 00 00 00 FD 00 32 55 IE 52 OE 100 00 20 20 20 20 20 20 00 00 110 00 00 56 58 39 32 34 0 20 120 20 20 20 20 20 20 00 D3 08 09 ID Manufacturer Name VSC 11 10 Product ID Code 0 12 15 Last 5 Digits of Serial Number Not Used 16 Week of Manufacture 01 17 Year of Manufacture 2005 10 17 Complete Serial Number See Descriptor Block 18 EDID Version Number 1 19 EDID Revision Number 3 20 VIDEO INPUT DEFINITION Analog Signal 0 700 0 300 1 000 Vp p Separate Syncs Composite Sync Sync on Green 21 Maximum Horizontal Image Size 380mm 22 Maximum Vertical Image Size 300mm 23 Display Gamma 2 20 24 Power Management and Supported Feature s Active Off Very Low Power Standard Default Color Space Preferred Timing Mode Display Type R G B Color 25 34 CHROMA INFO Red X 0 634 Green X 0 287 Blue X 0 138 White X 0 313 Red Y 0 354 Green Y 0 621 Blue Y 0 0
60. to exit the page Press the A button to highlight the previous option or the V button to highlight the next option 3 OSD Position Item Press the 2 button to enter the OSD position adjustment page Press the 1 button to exit the page a Horizontal Position Option Press the 2 button to enter the vertical position adjustment page Press the 1 button to exit the page Press the A button to shift the menu to the right Press the V button to shift the menu to the left b Vertical Position Option Press the 2 button to enter the horizontal position adjustment page Press the 1 button to exit the page Press the button to shift the menu upward Press the button to shift the menu downward 4 OSD Time Out Item Press the 2 button to enter the OSD time out adjustment page Press the 1 button to exit the page Press the button to increase the OSD time out Press the button to decrease the OSD time S OSD Background Item Press the 2 button to enter the OSD background selection page Press the 1 button to exit the page Enable Disable Option Press the A button to highlight the previous option or the V button to highlight the next option 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 ViewSonic Corpo
61. to exit the page a Horizontal Position Option Press the 2 button to enter the vertical position adjustment page Press the 1 button to exit the page Press the A button to shift the menu to the right Press the button to shift the menu to the left b Vertical Position Option Press the 2 button to enter the horizontal position adjustment page Press the 1 button to exit the page Press the A button to shift the menu upward Press the button to shift the menu downward OSD Time Out Item Press the 2 button to enter the OSD time out adjustment page Press the 1 button to exit the page Press the button to increase the OSD time out Press the button to decrease the OSD time out OSD Background Item Press the 2 button to enter the OSD background selection page Press the 1 button to exit the page Enable Disable Option Press the A button to highlight the previous option the V button to highlight the next option 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 2 Other Menu This shortcut menu is directly accessible without bringing up the OSD 1 Contrast Dialog Press the A button to enter the Contrast Dialog Press the 1 button to exit the Contrast Dialog Press the 2 button t
62. ure s Active Off Very Low Power Standard Default Color Space Preferred Timing Mode Display Type R G B Color 25 34 CHROMA INFO Red X 0 634 Green X 0 287 Blue X 0 138 White X 0 313 Red Y 0 354 Green Y 0 621 Blue Y 0 077 White Y 0 329 35 ESTABLISHED TIMING I 720 400 70Hz 640 X 480 60Hz IBM VGA 640 X 480 67Hz Apple Mac II 640 X 480 4 72Hz VESA 640 X 480 75Hz VESA 800 X 600 4 56Hz VESA ViewSonic Corporation 800 X 600 60Hz VESA 22 Confidential Do Not Copy VX924 36 ESTABLISHED TIMING II 800 X 600 72Hz VESA 800 X 600 75Hz VESA 832 X 624 75Hz Apple Mac 1024 X 768 60Hz VESA 1024 X 768 70Hz VESA 1024 X 768 75Hz VESA 1280 1024 75Hz VESA 37 Manufacturer s Reserved Timing 1152 X 870 75Hz Apple Mac II 38 53 Standard Timing Identification 1280 X 1024 60Hz 1152 X 864 75Hz 1024 X 768 0857 800 X 600 85Hz 640 X 480 85Hz 640 X 400 70Hz Not Used Not Used 54 71 Detailed Timing Descriptor Block 1 1280x1024 Pixel Clock 108 00 MHz Horizontal Image Size 376 mm Vertical Image Size 301 mm Refreshed Mode Non Interlaced Normal Display No Stereo Horizontal Active Time 1280 pixels Blanking Time 408 pixels Sync Offset 48 pixels Sync Pulse Width 112 pixels Border 0 pixels Frequency 63 98 KHz Vertical Active Time 1024 lines Blanking Time 42 lines Sync
63. xt gt WI EET Fig 0 3 5 Continue through the installation process by pressing Next four times see Fig 0 4 Setup will add program icons to the Program Folder listed below You may type a new folder name or select one from the existing Folders list Click Next to continue Program Folders Existing Folders es Administrative Tools AOpen Multimedia Utilities RM Converter SoundMax Confidential Do Not Copy 924 4 edid ViewSonic Corporation 6 When the installation is complete restart the or notebook see Fig 0 5 Setup Complete Setup has finished copying files to your computer Before you can use the program you must restart Windows or your computer Ce v want to restart my computer now will restart my computer later Remove any disks from their drives and then click Finish to complete setup Fig 0 5 Install ISP 1 The user may download the ISP driver 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 ocuments and Settings sw DesktopXISP 2 5a File Edit Favorites Tools Help Back v M Search Folders 2 File and Folder Tasks 2 program files File Folder amp jlinstmsia exe 1 479 KB Application amp linstmsiw exe

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