ViewSonic Q9-1 Service Manual
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ViewSonic Q9-1 Service Manual

ViewSonic Q9-1 Service Manual

19” color tft lcd display
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Service Manual

ViewSonic Q9-1
Q9b-1
Model No. VS10863-1W
19" Color TFT LCD Display
(Q9-1_Q9b-1_SM Rev. 1a Dec. 2005)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

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  • Page 1: Service Manual

    Service Manual ViewSonic Q9-1 Q9b-1 Model No. VS10863-1W 19” Color TFT LCD Display (Q9-1_Q9b-1_SM Rev. 1a Dec. 2005) ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583...

  • Page 2: Revision History

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

  • Page 3: Table Of Contents

    4. Circuit Description 5. Adjusting Procedure 6. Trouble Shooting Flow Chart 7. Recommended Spare Parts List 8. Exploded View And Exploded Parts List 9. Block Diagram 10. Schematic Diagrams 11. PCB Layout Diagrams Viewsonic Corporation Confidential - Do Not Copy Q9-1_Q9b-1...

  • Page 4: Precautions And Safety Notices

    The external power converter for this display utilizes AC and DC cords, AC cord is detachable, but DC cord is permanently attached. Any attempt to replace another adapter could result in serious problem on the display. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 5 (14) The LCD module is designed so that the CFL in it is supplied by Limited Current Circuit (IEC60950 or UL1950). Do not connect the CFL in Hazardous Voltage Circuit. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 6 “Mura”. surface of the polarizer. Taking out the monitor by grasping the LCD Take out the monitor with cushions panel.That will probably cause “Mura”. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 7 Place the monitor on a clean and soft foam pad. probably scratch the surface of the panel or cause “Mura.” The panel is placed facedown on the lap. That will probably cause “Mura.” Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 8: Specification

    50 A @ 120VAC, 90 A(MAX) @220VAC ON Mode < 45 W (max) / 35 W (typ) Power Consumption ACTIVE OFF < 1 W Recovery Time ON Mode = N/A, ACTIVE OFF < 3 sec Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 9 130 deg @ CR>10, 150 deg @ CR>5 (typ) Response Time 12 ms (Tr =3.6 ms, Tf = 8.4 ms) (Typ) 10%-90% @ Ta=25°C 25ms (Max) Panel Defects Please see Panel Quality Specifications. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 10 100% Dimension Width 430 mm Height 435 mm Depth 194 mm Monitor Weight 4.4 kg / 9.68 lbs Ergonomics Tilt Up +19° +/- 1° DEGREES MINIMUM Tilt Down -1 °+/- 1° degrees Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 11: Front Panel Function Control Description

    Pushing the power switch will turn the monitor on. Pushing it again to turn the monitor off. 6) POWER INDICATOR: The LED will light with green color in normal on state, and will light with flash in power saving mode. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 12: Screen Adjustment Operation Procedure

    The LEFT and RIGHT keys are used to scroll through items within the menu. The selected item is highlighted as the scrolling moves along. The SELECT key is used to activate the highlighted item during this state. Figure 8-1 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 13: Osd Adjusting And Controls

    CLOCK Reduce vertical stripes in the screen image. PHASE Reduce horizontal stripes in the screen image. SHARPNESS This can adjust the video quality to be sharp or blur (special for text mode). Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 14 There are three options for the automatic timeout: 20, 40 and 60 seconds. MISC MENU There is one item: reset. RESET: Press “Reset” to return the monitor to its factory default settings. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 15 2. AUTO CONFIG adjustment can be used in “Windows” except black background frame, but the best effect is in the SHUT DOWN frame. 3. It is recommend running “EDIT” program first, then doing AUTO CONFIG adjustment in DOS mode. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 16 No signal + [Enter] + Main Burning mode Power on Signal + [PW] +[ Enter] + Main Factory Mode Power on Remark : All the short cuts function are only available while OSD off Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 17: Circuit Description

    DAC,VESA DDC interface, and a 64k-byte internal program Flash-ROM memory. of 6-bit ADC, and a built-in , It also includes two IIC Slave B ports, supporting VESA DDC/CI for D-sub interfaces, and a Boot-Code-Free ISP (In System Programming). Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 18   Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 19 B. MCU: Hardware Design Attention : (1). Reset Time : (2). Pin assignment of MTV512M and 8051 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 20 (3). Special application Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 21 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 22 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 23: Adjusting Procedure

    1024 x 768 @ 70Hz, 56.5kHz 1024 x 768 @ 72Hz, 58.1kHz 1024 x 768 @ 75Hz, 60.0kHz 1280 x 1024 @ 60Hz, 63.4kHz 1280 x 1024 @ 75Hz, 79.97kHz 1280x 720 @ 60Hz, 45kHz (HDTV) Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 24 - If not, please return the unit to repair area. 5-1.5.8 Screen Uniformity and Flicker Test Signal: 1280 x 1024 @ 60.0kHz Test Pattern: Full White Pattern - Check and see if it is in normal condition. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 25 After final QC step, we have to erase all saved changes again and restore the factory defaults. You should do “All Mode Reset” again. 5-1.5.13 Power off Monitor Turn off the monitor by pressing “Power” button. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 26: Firmware Upgrade Procedure

    - LPT Cable *1 - Firmware Upgrade Program - One additional monitor for checking the program execution PC Fixture Printer Port Fixture Power Adapter *1 for Fixture Printer Port VGA cable LPT cable Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 27 Using LPT cable connect PC Print port Using VGA cable connect monitor (destination) Plug Power Adapter to Fixture Fixture SW3 select 4 & 8 both J701:to Power Adapter P1: to PC printer port CN702:to Q9 monitor Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 28 4. Select CPU=5 MHz MTV Type CPU=5 Type 5. Click “Load MCU file” and then find the updated firmware code. 6. Click “Create Security File” going to next window MCU File Type Create Security File Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 29 9. Click “OK” to start ISP function and update the firmware into Monitor. 2.Input Value 1.Command No 3. OK 10. Firmware update is finished when the display backed to the window then press “RUN” as below. Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 30 C. Make sure the monitor was working under power saving mode and keep it at “Power Saving state” during DDC process. EDID-Kit Cable PC printer D-Sub of port 25pin Monitor connector 15pin VGA Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 31 Press 3: For S/N,, the cursor will move to the column behind “Edit S/N” than you can key in the data you want after that press enter to exit and return. (This data is within 0 ~ 99999, 5 numbers max.) Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 32 Press 3 “DDC Writer/Check Data”: The Kit will start to program new data of EDID into monitor, all DDC data will display on the screen after programming. Please refer to Fig-DDC3 below, the DDC process is finished. Fig-DDC3 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 33 Programming PC. If error message is happened, please re-check the connection of cable and return to first step. Please refer to the Viewsonic EDID data format that was printing on ID label. PPPYYWWAxxxx PPP = Viewsonic Regional Product ID Code, EX. Q9 is “PW1”, Q9b is “PW3”.
  • Page 34 1.3 Put the cushions on the monitor. (Figure 3) 1.4 Place the monitor into the carton and then put all the accessories into the carton. At last, The carton and seal it with tape. (Figure 4) Figure 3 Figure 4 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 35 2. Disassembly Lie down the monitor on flat table Remove Stand by 4 screw Remove CAB-B Take off D-sub 2 screws Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 36 Remove the shielding case by 2 screws Remove the I/F board Remove the shielding case by 1 screw Remove the Inverter board by 2 screws Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 37: Trouble Shooting Flow Chart

    Signal partly picture error Check I/F board without color H,Vsync Check LCD panel error Vertical,Horizontal none synchronousness Check LCD panel a few of colorfully vertical lines even(or odd) vertical lines is dark Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 38 Display?? Solution with No display Display ok ? Lost some bits of RGB?? CHK R66(R ), R63(G),R60(B) C37¡A C34¡A C24 CHK OSD U7 pin6,24,25 CHK U7 (PUSH KEY SWITCH) pin 73~94 RETURN Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 39 Power board D-SUB CHK U5 VGA 15PIN Pin 19 U1¡B U2 JP9 INPUT REPLACE U1¡B U2 SOFTWARE RETURN CHANGE U7 CHK LCD-VCC CABLE CHK CLK CHK Panel CHK R¡B G¡B B SIGNAL CONNECTOR Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 40 DPWBN5625T89-H- POWER FLOW JP1, +5V CHK FUSE F1 INPUT abnormal REPLACE U1 U1 input +5V U1 output +3.3V normal abnormal REPLACE U2 U2 input +3.3V U2 output +2.5V Return Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 41: Recommended Spare Parts List

    All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior versions. Confidential - Do Not Copy...

  • Page 42: Viewsonic Corporation

    RECOMMENDED SPARE PARTS LIST (Q9b-1) ViewSonic Model Number: VS10863-1W Rev: 1a Serial No Prefix: PW3 Panel Sources Universal Item Description ECR/ECN ViewSonic P/N Ref. P/N Location Hanstarr Number# (12ms) POWER CORD A-PC-0106-0180 QACC-1126D8D--- POWER CORD Accessories: AC ADAPTOR & INVERTER...
  • Page 43 BOM LIST (Q9-1) ViewSonic Model Number: VS10863-1W Rev: 1a Serial No Prefix: PW1 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty CB-00003908 QTMLW0002-8376- POWER BOARD GND WIRE POWER BOARD GND WIRE C-00003935 GSTN-2940T8---- BASE BASE C-00003938 GCOVD2613T8---- NECK...
  • Page 44 BOM LIST (Q9b-1) ViewSonic Model Number: VS10863-1W Rev: 1a Serial No Prefix: PW3 Item ViewSonic P/N Ref. P/N Description Location Universal number# Q'ty CB-00003908 QTMLW0002-8376- POWER BOARD GND WIRE POWER BOARD GND WIRE C-00003903 GSTN-2940T8---A BASE BASE C-00003902 GCOVD2613T8---A NECK...

  • Page 45: Exploded View And Exploded Parts List

    8. Exploded Diagram And Spare Parts List EXPLODED PARTS LIST (Q9-1) ViewSonic Model Number: VS10863-1W Rev: 1a Serial No. Prefix: PW1 Item ViewSonic P/N Ref. P/N Description Q'ty C-00003936 GCABA2361T8F--E CAB-A HW-00003918 LANGF2199T8---- PANEL USE #N/A VVLHSD190ME12-- HANNSTAR 19" PANEL...
  • Page 46 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 47: Block Diagram

    To Inverter & DC input 5V, 12V DC output Backlight SW BOARD control +5V & +12V DPWBN5720T8---- CON10 CON001 Adapter & Inverter AC Input 90-240V RUNTP5642T8---- 50/60Hz CON103,CON104 CON105,CON106 19” LCD PANEL Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 48: Schematic Diagrams

    100nF JP10 serial VGA5V CONNECT DDC_SCL DDC_SCL DDC_SDA VSIN HSIN DDC_SDA Brightness VGA_B- VOLUME VGA_B XOUT VGA_G- ViewSonic Corporation VGA_G VGA_R- VGA_R Model 5.6V 5.6V 5.6V 5.6V RTD2030 CON13 JST PHR-13 Title 2.0 pitch 90 Degree Date Rev: Confidential - Do Not Copy...
  • Page 49 2N3906 LED_G 24MHz MODIFY20050225 SELECT_KEY XOUT MENU_KEY 6.8K 5.6V 5.6V LED_O MCU_VCC LED_G POWER_KEY MODIFY20050225 10pF 10pF CON6 2.0mm 100nF 6pin 5DVCC TEST IICSDA IICSCL 24C16_SMD ViewSonic Corporation Model Title Date Rev: Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 50 CON2 PANEL_5VCC PANEL_5VCC 4.7K Audio_EN 0805 2N3904 100nF 100nF 100uF_16V CON5 JST PHR-5 2.0 pitch FDS9435 CON2 90 Degree PROFPNL MMBT3906 100nF(0805) 100uF_16V 100nF 100nF ViewSonic Corporation POWER Model Title Date Rev: Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 51 MENU 100R 2.2K SELECT 4.7K 100R SW3_UP_DOWN 4.7K SW1__MENU SW3_UP_DOWN 2.2K LED_GRN SOFT_START CON6 LED1 LED_GRN 100R SOFT_START POWER SW 5.6V 100p 100p 100p 100p ViewSonic Corporation Model KeyBoard Title Date Rev: Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...

  • Page 52: Pcb Layout Diagrams

    11. PCB Layout Diagrams IF-board Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
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  • Page 58 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 59 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 60 Key-board SOLDER Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 61 DRILL Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 62 COMP SILK Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 63 Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 64 SOLDERMASK Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 65 Top Mask Confidential - Do Not Copy ViewSonic Corporation Q9-1_Q9b-1...
  • Page 66 Add.: Fax: Tel: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. You may also e-mail any suggestions to the Director, Quality Systems & Processes (marc.maupin@viewsonic.com) Confidential - Do Not Copy...

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