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ViewSonic Q19wb-3

Model No. VS11578

19” Color TFT LCD

Display

(Q19wb-3_SM Rev. 1a Oct. 2006)

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

Service Manual

Содержание Optiquest VS11578

Страница 1: ...ViewSonic Q19wb 3 Model No VS11578 19 Color TFT LCD Display Q19wb 3_SM Rev 1a Oct 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual...

Страница 2: ...pressed 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 t...

Страница 3: ...ices 1 2 Specification 4 3 Front Panel Function Control Description 10 4 Circuit Description 12 5 Adjustment Procedure 20 6 Troubleshooting Flow Chart 42 7 Recommended Spare Parts List 46 8 Exploded D...

Страница 4: ...URRENT HOT CHECK 4 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer during this check 4 2 Connect a 1500 ohm 10 watt resistor paralleled by a 0 15uF capacitor between...

Страница 5: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 2 Q19wb 3 series handling Notice Correct Method Incorrect method Correct Method Incorrect method Correct Method Incorrect method...

Страница 6: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 3 Correct Method Incorrect method Correct Method Incorrect method...

Страница 7: ...e minutes Video Cable Connector DB 15 Pin out Compliant DDC1 2B Video RGB Analog Video Signals Separate Sync SOG Composite Video Impedance 75 Ohms Analog Maximum PC Video Signal 950 mV with no damage...

Страница 8: ...ithstand 1 5 times nominal line voltage for one cycle with no damage Power Supply Missing Cycle Immunity Shall be able to function properly without reset or visible screen artifacts when cycle of AC p...

Страница 9: ...024 x 768 75 Hz 60 KHz 17 1152 x 864 75 Hz 67 5 KHz 18 1152 x 870 75 Hz 68 7 KHz 19 1280 x 1024 60 Hz 64 KHz 20 1280 x 1024 75 Hz 80 KHz 21 1280 x 960 60 Hz 59 7 KHz 22 1440 x 900 60 Hz 55 9 KHz 23 14...

Страница 10: ...fter 30 minute warm up Luminance Center CT 6500K Contrast Brightness Max 240 cd m2 Min after 30 minute warm up Brightness Uniformity 75 min Contrast Ratio 700 1 Typ 450 1 Min Color Depth 16 2 million...

Страница 11: ...0 minute warm up Luminance Center CT 6500K Contrast Brightness Max 240 cd m2 Min after 30 minute warm up Brightness Uniformity 75 min Contrast Ratio 700 1 Typ 450 1 Min Color Depth 16 2 million colors...

Страница 12: ...Wall Mount Width 446mm 17 6 Height 292mm 11 5 Depth 66 6mm 2 6 Monitor Weight 4 0 Kg 8 8 lbs Refer to Figure 1 Ergonomics Tilt Up 20 Tilt Down From 0 down to 3 5 7 ENVIRONMENTAL z Operating Temperatur...

Страница 13: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 3 Front Panel Function Control Description 10...

Страница 14: ...atures and Custom User Color which allows you to adjust red R green G and blue B The factory setting for this product is 6500K 6500 Kelvin 9300K Adds blue to the screen image for cooler white used in...

Страница 15: ...stable by button Mute or Speaker MENU key when speaker volume OSD appear Audio volume can be controlled with right arrow button when Audio Adjust menu is active 2 CONNECTORS 2 1 AC inlet CEE7 7 typed...

Страница 16: ...Power consumption 40W MAX 3 2 2 Power Management State Power Indicator On 40Watts Green Standby 1Watts Amber off 1Watts Dark 3 3 Acceptable timing If the timing is within following specification this...

Страница 17: ...00 00 00 FD 00 38 4B 1F 50 0E 100 00 0A 20 20 20 20 20 20 00 00 110 00 FC 00 51 31 39 77 62 2D 33 120 0A 20 20 20 20 20 00 98 ______________________________________________________________________ 08...

Страница 18: ...75Hz VESA 832 X 624 75Hz Apple Mac II 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 II 38 53 Standard...

Страница 19: ...___________________________________ 72 89 Detailed Timing Descriptor Block 2 Monitor Serial Number QHZ060100001 ______________________________________________________________________ 90 107 Detailed T...

Страница 20: ...el On chip functions include a high speed triple ADC PLL high sacling engine Micro processor and OSD controller manages other devices in the system such as the keypad the backlight LED and audio gener...

Страница 21: ...VDDCTRL_2 and on_backlight Pin74 and Pin20 to control LCD power sequencing once data and control signals are stable f Inverter Brightness control PWM1 Pin 21 The TSUM16AK LF 1 has one PWM output PWM1...

Страница 22: ...age High 3 3Vdc Low 0Vdc Output Static Output Characteristics 12V 2 1A Output 11 4Vdc 15 1Vdc 5V 3 0A Output 4 94Vdc 5 46Vdc 6 2 2 Inverter output characteristics Rated Output Strike on Voltage 1800 2...

Страница 23: ...0 x 400 70Hz 31 5kHz Yes No 3 640 x 480 60Hz 31 5kHz Yes No 4 640 x 480 67Hz 35 0kHz Yes No 5 640 x 480 72Hz 37 9kHz Yes No 6 640 x 480 75Hz 37 5kHz Yes No 7 720 x 400 70Hz 31 5kHz Yes No 8 800 x 600...

Страница 24: ...tness and contrast are set to 100 Pattern 2 3 RGB color performance RGB color Check the color temperature of RGB signal color Pattern 3 4 5 4 Sub pixel defect RGB color Check the sub pixel defect Patt...

Страница 25: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 22 Pattern 5 Pattern6 Pattern 7 Pattern 8 Pattern 9...

Страница 26: ...he AUTO button to exit the page Press the button to highlight the previous item or the button to highlight the next item 1 Brightness Item Press the Menu button to enter the brightness adjustment page...

Страница 27: ...the downward Press the AUTO button to exit the page 4 Clock Item Press the Menu button to enter the clock adjustment page Press Button to adjust the internal clock Larger values make the displayed ima...

Страница 28: ...r color page Press the AUTO button to exit the page Red Green Blue Options Press the Menu button to enter the RGB adjustment page Press the AUTO button to exit the page Press the button to increase th...

Страница 29: ...the Menu button to enter the OSD control page Press the AUTO button to exit the page Press the button to highlight the previous item or the button to highlight the next item 1 Language Item Press the...

Страница 30: ...o exit the OSD Menu 2 Other Menu This shortcut menu is directly accessible without bringing up the OSD 1 Brightness Contrast Dialog Press the button to enter the Brightness Contrast Dialog Press the A...

Страница 31: ...olution 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 is in standby press the AUTO button then press the...

Страница 32: ...edure 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 W9V Q2 PC Personal computer L...

Страница 33: ...P environment Hardware PC or notebook parallel printer cable ISP tooling Software If OS was Win2000 or WinXP please install PORT95NT exe In order to ensure can execute ISP program please set BIOS in P...

Страница 34: ...ewSonic Corporation Confidential Do Not Copy Q19wb 3 31 0 2 Keep on press Next 4 times to go through the installation processes see Fig 0 2 Fig 0 2 0 3 Choose Typical then press Next see Fig 0 3 Fig 0...

Страница 35: ...Corporation Confidential Do Not Copy Q19wb 3 32 0 4 Keep on press Next 4 times to go through the installation processes see Fig 0 4 Fig 0 4 0 5 Install completed restart the PC or notebook See Fig 0...

Страница 36: ...ration Confidential Do Not Copy Q19wb 3 33 Appendix B How to use software to upgrade the BIOS 1 1 Double click the ISP_TOOL exe in Windows see Fig 1 1 Fig 1 1 1 2 It is the main meun of ISP_TOOL see F...

Страница 37: ...1 3 Single click the Connect button to connect with MCU The dialog of O K will appear in window when the computer has finished to connect with MCU see Fig 1 3 Fig 1 3 1 4 Single click the Read button...

Страница 38: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 35 Fig 1 5 1 5 When the file of BIOS has been selected you will see the dialog see Fig1 6 Fig 1 6...

Страница 39: ...py Q19wb 3 36 Appendix C Use ISP to program MCU 2 1 Single click the Run button you can program the MCU see Fig2 1 Fig 2 1 2 2 If the program has been done you will seen fig3 2 Now you must Single cli...

Страница 40: ...r from carton 2 Put the monitor on desk face down 3 Loose the screws Remove the HINGE COVER 4 Loose the screws remove the stand 5 Loose the screws Separate the BACK COVER 6 Remove the black tape AL Fo...

Страница 41: ...the screws Separate the speaker 8 Remove the AL Foil 9 Remove the AL Foil 10 Pull out the cables 11 Loose the screw 12 Tear off the yellow tape Pull out the LVD cables ViewSonic Corporation Confident...

Страница 42: ...13 Loose the bezel screw 14 Remove the bezel 15 Loose the BKT screw L R 16 Move the BKT screw L R 17 Remove the BEZEL BKT 18 Remove the GASKET ViewSonic Corporation Confidential Do Not Copy Q19wb 3 39...

Страница 43: ...B screw Remove the BUTTON B 20 Loose the IO NUT 21 Remove the POWER B MYLAR 22 Loose the screw 23 Separate the M B P B GND PLATE 24 Separate the M B LVDS CABLE ViewSonic Corporation Confidential Do N...

Страница 44: ...t the monitor into the PE or EPE bags 3 Put on the end cap left right 4 Put the monitor into carton 5 Put all accessories into carton 6 Seal the monitor Face up Power cable Audio cable Base VGA cable...

Страница 45: ...No Power Change Power Board Check Power Module Output CN101 Pin 5 6 5V Check Scalar Module Output CN4 Pin 5 6 5V OK Change Cable From Power module CN101 to Scalar B CN4 NO OK Check Power Button From...

Страница 46: ...R98 3 3V output Check or Change U3 Check CN7 to Panel Signal Output Check Inverter From Power board OK Change Power Board Check X Tal 14 318Mhz Change X1 Check H V SYNC Change U4 Check or Change Cable...

Страница 47: ...44 3 No Audio NO OK NO OK NO No Audio Check Input Signal AJ1 OK Check Input source or Change AJ1 U3 Check ACN1 to Speaker OK Change Speaker or ACN1 Cable Check AU1 pin6 Volume and AQ1 OK Change AQ1 Ch...

Страница 48: ...072 AA90MGW1059 AUO 15 Speaker L9F X05015N 002 1 5Wx2 E 00008097 DN005015S08 16 Bracket Left HSD W9ZA A1 HW 00008026 FBW9ZA11013 17 Bracket Right HSD W9ZA A1 HW 00008027 FBW9ZA10017 18 Screw F3 0 6 0...

Страница 49: ...1 MBLI1004 REV3A GP 2 38 N A GBL9C003019 GASKET 7 7 0 6T L9C B1 GBL9C003 R3A GP 1 39 N A GBL9C002012 GASKET 15 8 0 6T L9C B1 GBL9C002 R3A GP 1 40 N A FBW9TB02013 GND PLATE VGA PANEL W9TB FBW9TB02 R3A...

Страница 50: ...T LABEL L70L HCL70021 REV3A GP 1 85 N A HCW9V001010 ID LABEL W9V Q1 HCW9V001 R3A GP 1 86 DC 00008140 HGW9V002010 MANUAL CD W9V Q2 HGW9V002 R3A GP 1 87 P 00008150 HFW9V002019 CARTON W9V Q2 HFW9V001 R3A...

Страница 51: ...MF30060TJB2 SCREW F3 0 6 0 T MC GP 5 17 M SCW 0824 6799 MM35080BBW2 SCREW M3 5 8 B NI WASHER GP 1 18 N A FAW9C001015 PCB SHIELD W9C B1 1 19 N A FCL7TA01018 SHIELDING MYLAR 1 20 N A FCL7G001016 AL FOI...

Страница 52: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 49 SPK SPK POWER B Main Board Button Board INV B TO PANEL TO PANEL LVDS CN4 ACN1 CON1 CN8 CN7 CN202 CN203 CN204 CN205 CN101...

Страница 53: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 50...

Страница 54: ...CARTON LABEL L7VC 1 7 CB 00008044 DD0L7WPC001 CABLE MB VGA 15P 1 8M L7E BLACK 5 5 1 8 CB 00004149 DD0L0TPC007 CABLE AUDIO ST 1 8M BLACK L0T GP 1 9 A PC 0106 0224 DM333181G97 POWER CORD SP 30 IS 14 3P...

Страница 55: ...RGND BIN 14 318MHz P00 ON OFF LCD TFT Module LVB1M Inverter G GPIO_P23 SDI SOGIN DDCROM_SDA RIN VDDC LVA3M P13 LVB0M LVACKP P07 Q5 VCC3 3 V SYNC SOG POWER SDA LVBCKM P14 SDI LVB2P LC U3 PWM0 LVBCKP P...

Страница 56: ...047uF 6 D15 DAN217K NC 1 2 3 R12 100 6 1 R6 75 6 1 R106 10K 6 NC R30 10 6 U7 24C02 A0 1 A1 2 A2 3 GND 4 SDA 5 SCL 6 WP 7 VCC 8 C2 NC R7 100 6 1 R1 56 6 1 C96 0 1uF 6 NC R5 56 6 1 D17 DAN217K NC 1 2 3...

Страница 57: ...VDD 8 R67 33K 6 R103 NC R65 33K 6 R54 10K 6 L16 1K 6 1 1 2 C67 0 1uF 6 C40 4 7uF 50V R75 100 6 CN5 JWT A2001WV2 04 NC 1 2 3 4 C37 0 1uF 6 C44 0 1uF 6 L13 1K 6 1 1 2 C100 0 1uF 6 R73 10K 6 C56 22pF 6 D...

Страница 58: ...6 C31 330uF 16V CN4 4 5 6 1 2 3 8 7 D22 BAT54C GS08 R100 0 6 C30 330uF 16V U3 A AP1117ELA TO252 NC ADJ GND 1 VOUT 2 VIN 3 OUT 4 R50 100 6 1 C99 0 1uF NC D21 ML25PT Q2 PMBS3904 3 1 2 R36 1K 6 C18 1uF 8...

Страница 59: ...LVBCKP 5 LVA0P 5 LVB2P 5 LVA2M 5 LVACKP 5 LVA1P 5 LVBCKM 5 LVACKM 5 LVA3P 5 LVB2M 5 LVB3M 5 LVB0P 5 LVA0M 5 LVA1M 5 LVB3P 5 LVA2P 5 LVA3M 5 LVB1M 5 LVB0M 5 LVB1P 5 E 1 S 1 2 3 C B 2 G 3 D 2006 03 14 A...

Страница 60: ...330uF 16V AQ3 PMBS3906 R91 20K 6 AL3 CX201209813 1 2 AC2 0 1uF 6 AR2 10K 6 AJ1 2 3 4 5 1 AR9 CX201209813 AC8 220pF 6 AU1 TDA7496L INL 4 INR 9 VAROUT_L 5 VOLUME 6 VAROUR_R 7 OUTL 17 OUTR 14 MUTE 12 STB...

Страница 61: ...ViewSonic Corporation Confidential Do Not Copy 58 Model Title Date Rev ViewSonic Corporation AC to DC ADAPTOR Q19wb 3...

Страница 62: ...ViewSonic Corporation Confidential Do Not Copy 59 Model Title Date Rev ViewSonic Corporation AC to DC ADAPTOR Q19wb 3...

Страница 63: ...ion Metal Dome Button Board MENU SEL PWR LEFT AMBER RIGHT GREEN Orange Blue KPTB 1612SEKPBAC Orange Green KPTB 1612NSGC SW3 SW METALDOME SW4 SW METALDOME SW5 SW METALDOME CON1 PH 1 0mm 8Pin NC 1 2 3 4...

Страница 64: ...ViewSonic Corporation Confidential Do Not Copy Q19wb 3 61 11 PCB Layout Diagrams...

Страница 65: ...ViewSonic Corporation Confidential Do Not Copy 62 Q19wb 3...

Страница 66: ...ViewSonic Corporation Confidential Do Not Copy 63 Q19wb 3...

Страница 67: ...ViewSonic Corporation Confidential Do Not Copy 64 Q19wb 3...

Страница 68: ...ViewSonic Corporation Confidential Do Not Copy 65 Q19wb 3...

Страница 69: ...ViewSonic Corporation Confidential Do Not Copy 66 Q19wb 3...

Страница 70: ...uit Description 5 Adjustment Procedure 6 Troubleshooting Flow Chart 7 Recommended Spare Parts List 8 Exploded Diagram and Exploded Parts List 9 Block Diagrams 10 Schematic Diagrams 11 PCB Layout Diagr...

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