ViewSonic Q9-1 Service Manual Download Page 37

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6. TROUBLE SHOOTING FLOW CHART

Does
picture
display?

YES

Back-light
On or off

Check
Power
LED

A dark
Picture or a
Picture full
Of colorfully
vertical lines

Check
Display
resolution

Check inverter
Check I/F board JP1

Check I/F board JP9
Check panel connector

Check I/F board

OSD no respones

too dim

The brightness is
different between
upper side and
downer side

partly picture
without color

Vertical,Horizontal
none
synchronousness

a few of colorfully
vertical lines

even(or odd)
vertical lines is dark

Check SW board
SW1 ~ SW4

Check OSD
adjustment

Check inverter of power board
Check backlight

Check I/F board
Check LCD panel

Check LCD panel

Check I/F board
(DPWBN5625T89-H-)

Check SW board JP1
Check inverter
Check I/F board

OFF

Hsync
Vsync
or DE error

Flash

RGB
Signal
error

H,Vsync
error

ViewSonic

Corporation

nfidential

Not

Copy

Q9-1_Q9b-1

Summary of Contents for Q9-1

Page 1: ...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 Service Manual...

Page 2: ...xpressed 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...

Page 3: ...iption 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 Lay...

Page 4: ...e product under the following conditions Extremely hot cold or humid environment Areas susceptible to excessive dusts and dirt Near any appliance generating a strong magnetic field Place in direct sun...

Page 5: ...far ends of the CFL Reflector edge softly Otherwise the TFT Module may be damaged 10 At the insertion or removal of the Signal Interface Connector be sure not to rotate nor tilt the Interface Connect...

Page 6: ...ont cover of the monitor Do not touch the surface of the polarizer Surface of the LCD panel is pressed by fingers and that will probably cause Mura Take out the monitor with cushions Taking out the mo...

Page 7: ...m pad Placing the monitor on foreign objects That will probably scratch the surface of the panel or cause Mura The panel is placed facedown on the lap That will probably cause Mura 4 ViewSonic Corpora...

Page 8: ...ible with all PC type computers Macintosh computers and after market video cards Resolution Compatibility 640 x 350 640 x 480 720 x 400 640 x 400 800 x 600 832 x 624 1024 x 768 1280 x 720 1280 x 1024...

Page 9: ...ts total in FIFO configuration Panel Characteristics Model number HANNSTAR AND HSD190ME12 A02 Type TN PANEL TECHNOLOGY Active Size 376 32 H x 301 056 V Pixel Arrangement RGB Vertical Stripe Pixel Pitc...

Page 10: ...Technology Active Size 376 32 H x 301 056 V Pixel Arrangement RGB Vertical Stripe Pixel Pitch 0 294 mm GLASS TREATMENT Anti Glare Hard coating 3H OF BACKLIGHTS 4 CCFL edge light 2 top 2 bottom BACKLI...

Page 11: ...or to increase value of selected item If pressed when menu is not active BRIGHTNESS is adjusted 4 ADJUST LEFT To scroll down in sub menu or to decrease value of selected item If pressed when menu is...

Page 12: ...es 4 Save After finishing the adjustment push the SELECT button to memorize the setting 5 Return Exit the main menu To go back to the previous menu push the MEMU button The OSD main menu Figure 8 1 is...

Page 13: ...se clock vertical and horizontal positioning AUTO COLOR It is used to adjust the gain and offset of the Red Green and Blue channels on the ADC automatically H POSITION H Position is used to adjust the...

Page 14: ...adjust the gain of green channel in ADC BLUE The item BLUE is used to adjust the gain of blue channel in ADC OSD MENU There are five items OSD H POSITION OSD V POSITION OSD BLENDING OSD TIME OUT and...

Page 15: ...4 seconds you can exit OSD and Shut down frame Step 3 If you are not still satisfied with the picture quality you could choose CONTRAST item in OSD Main Menu and adjust it Note 1 If you don t like the...

Page 16: ...mmediately activate Brightness menu Auto config PW Main Power On All Reload No signal Enter Main Power on Burning mode Signal PW Enter Main Power on Factory Mode Remark All the short cuts function are...

Page 17: ...oversampling ADC samples the input RGB signals at a frequency that is much higher than the signal source pixel rate This can preserve details in the video signal that ordinarily would be lost due to i...

Page 18: ...15 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 19: ...B MCU Hardware Design Attention 1 Reset Time 2 Pin assignment of MTV512M and 8051 16 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 20: ...3 Special application 17 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 21: ...18 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 22: ...19 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 23: ...85Hz 1280 1024 H 80 0KHz V 75Hz 5 1 4 Test Display Modes Pattern 5 1 4 1 Compatible Modes Item Analog Timing 1 640 x 350 70Hz 31 5kHz 2 640 x 400 70Hz 31 5kHz 3 640 x 480 60Hz 31 5kHz 4 640 x 480 67Hz...

Page 24: ...cus performs well Eliminate visual line bar If not readjust by the following steps a Select and enter Auto config function on Auto Adjust to adjust the image to eliminate visual wavy noise b Then sele...

Page 25: ...5Hz 720 400 70Hz 800 600 56 60 72 75 85Hz 832 624 75Hz 1024 768 50 60 70 72 75 85Hz 1280 1024 60 75Hz Normally when the primary mode 1280 1024 60Hz is well adjusted and compliant with the specificatio...

Page 26: ...1 for Fixture 12V VGA Cable 1 PC Personal Computer LPT Cable 1 Firmware Upgrade Program One additional monitor for checking the program execution PC Fixture Printer Port Q9 Q9 Fixture Power Adapter 1...

Page 27: ...ble 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 CN702 to Q9 monitor P1 to PC printer port 24 ViewS...

Page 28: ...window below 3 Select MTV512M64 MTV type 4 Select CPU 5 MHz 5 Click Load MCU file and then find the updated firmware code 6 Click Create Security File going to next window MTV Type CPU 5 Type MCU File...

Page 29: ...and 2 ca Command 3 53 9 Click OK to start ISP function and update the firmware into Monitor 10 Firmware update is finished when the display backed to the window then press RUN as below 2 Input Value 1...

Page 30: ...er side is male 15 pin D sub connecter B Connect the EDID cable from PC Printer port to monitor D sub connector C Make sure the monitor was working under power saving mode and keep it at Power Saving...

Page 31: ...Press 1 For year the cursor will move to the column behind Edit Year than you can key in the data you want after that press enter to exit and return It needs 4 numbers for this data Press 2 For week t...

Page 32: ...ld change the Week data by press key and the S N data by press key 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 aft...

Page 33: ...Viewsonic EDID data format that was printing on ID label PPPYYWWAxxxx PPP Viewsonic Regional Product ID Code EX Q9 is PW1 Q9b is PW3 YY 2 digits of Manufacturing year range 1996 2015 WW 2 digits of Ma...

Page 34: ...nd seal the bag with tape Figure 2 Figure 1 Figure 2 1 3Put the cushions on the monitor Figure 3 1 4Place the monitor into the carton and then put all the accessories into the carton At last The carto...

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 32 ViewSonic Corporation Confidential Do Not Copy 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 33 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 37: ...between upper side and downer side partly picture without color Vertical Horizontal none synchronousness a few of colorfully vertical lines even or odd vertical lines is dark Check SW board SW1 SW4 C...

Page 38: ...4 RETURN DPWBN5625T8 CHA Debug Procedure JP1 12V 5V INPUT Does the screen Display Solution with No display 2 NO Display ok YES Lost some bits of RGB YES NO CHK R66 R R63 G R60 B C37 C34 C24 NO 35 View...

Page 39: ...CONNECTOR YES LED always ON or always OFF when power on ok CHK U5 SOCKET SOFTWARE KEY PAD YES CHK JP1 PIN3 4 NO CHK U5 Pin 19 CHK SOFTWARE OR CHANGE U7 CHK U1 U2 NG OK YES CHK LCD VCC CHK CLK CHK R G...

Page 40: ...K FUSE F1 CHK U1 input 5V U1 output 3 3V CHK U2 input 3 3V U2 output 2 5V DPWBN5625T89 H POWER FLOW Return REPLACE U1 normal abnormal abnormal REPLACE U2 37 ViewSonic Corporation Confidential Do Not C...

Page 41: ...3920 MHNGM0062T8 HINGE ASSEMBLY 1 27 I F BOARD SHIELD HW 00003922 PSLDM6599T8 I F BOARD SHIELD 1 28 INVERTER SHIELD HW 00003921 PSLDM6597T8 INVERTER SHIELD 1 29 MAIN METAL HW 00003923 LANGF2197T8 MAIN...

Page 42: ...ER REALTEK E IC 0401 4040 VSIRTD2023 D SCALER REALTEK 1 26 HINGE ASSEMBLY HW 00003920 MHNGM0062T8 HINGE ASSEMBLY 1 27 I F BOARD SHIELD HW 00003922 PSLDM6599T8 I F BOARD SHIELD 1 28 INVERTER SHIELD HW...

Page 43: ...S N LABEL 1 35 N A TLAB 5657T8 HI POT PASS LABEL HI POT PASS LABEL 1 BOM LIST CPWB Q9 T8HSD Item ViewSonic P N Ref P N Description Location Universal number Q ty 1 E 00003914 VVLHSD190ME12 2 HSD 19 PA...

Page 44: ...LABEL 1 35 N A TLAB 5657T8 HI POT PASS LABEL HI POT PASS LABEL 1 BOM LIST CPWB Q9 T8HSD Item ViewSonic P N Ref P N Description Location Universal number Q ty 1 E 00003914 VVLHSD190ME12 2 HSD 19 PANEL...

Page 45: ...B USE 1 19 PL 00003941 JKNBP2388T8F KNOB 1 20 B 00003901 DPWBN5720T8 KEY BOARD ASS Y 1 21 PL 00003934 HDECP2005T8F LENS 1 EXPLODED PARTS LIST Q9 1 ViewSonic Model Number VS10863 1W Rev 1a Serial No Pr...

Page 46: ...43 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 47: ...SUPPLY AC Input 90 240V 50 60Hz 19 LCD PANEL 3 3V 5V SW BOARD DPWBN5720T8 JP6 SCALER Adapter Inverter RUNTP5642T8 CON10 C O N N E C T O R U6 EEPROM 24C16 Y1 OSC JP9 30 PIN LVDS CABLE CON103 CON104 CO...

Page 48: ...SB RESET AHS AVS V0 V1 V2 V3 V4 V5 V6 V7 VCLK B B SOG G R ADC_GND R ADC_VDD ADC_GND ADC_REFIO ADC_GND PLL_TEST1 PLL_TEST2 XO XI DPLL_VDD DPLL_GND PVCC PGND APLL_VDD APLL_GND GNDIO VCCIO VCCIO GNDIO GN...

Page 49: ...F C20 1uF R98 330 R52 1K D3 NC DAN202U 3 2 1 C72 100nF R99 330 C71 100nF R24 10K R45 0 R23 10K R25 10K Q7 2N3906 1 2 3 R96 10K ZD6 5 6V 1 2 R95 4 7K R42 4 7K R41 4 7K R50 10K R40 4 7K R39 4 7K R38 4 7...

Page 50: ...13 100nF U4 FDS9435 1 2 3 4 5 6 7 8 S S S G D D D D R16 100 C11 100uF_16V C9 100nF R7 220 R8 22 Q2 2N3904 1 2 3 R5 4 7K R15 NC R6 20K C6 1uF R4 2K C8 100nF Q1 2N3904 1 2 3 R10 100K C12 100nF C4 22uF_1...

Page 51: ...7K R6 2 2K D3 5 6V L2 0 LED1 1 2 L4 0 L3 0 L1 0 SW1 MENU 3 1 SW5 POWER SW 3 1 SW3 3 1 SW4 3 1 SW2 SELECT 3 1 SW1__MENU SW3_UP_DOWN SOFT_START LED_GRN SW1__MENU SOFT_START LED_GRN SW3_UP_DOWN Model Tit...

Page 52: ...11 PCB Layout Diagrams IF board 49 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 53: ...50 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 54: ...51 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 55: ...52 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 56: ...53 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 57: ...54 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 58: ...55 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 59: ...56 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 60: ...Key board SOLDER 57 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 61: ...DRILL 58 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 62: ...COMP SILK 59 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 63: ...Top 60 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 64: ...SOLDERMASK 61 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 65: ...Top Mask 62 ViewSonic Corporation Confidential Do Not Copy Q9 1_Q9b 1...

Page 66: ...lity Systems Processes marc maupin viewsonic com d o o G t n e l l e c x E Precautions and Safety Notices 1 8 Exploded Diagram and Exploded Parts List 7 Recommended Spare Parts List Adjustment Procedu...

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