ViewSonic Q9B-2 - Optiquest Q9b - 19" LCD Monitor User Manual Download

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ViewSonic Q9b-2

Model No. VS11201

19” Color TFT LCD

Display

(Q9b-2_SM Rev. 1b Aug. 2006)

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

Service Manual

Summary of Contents for Q9B-2 - Optiquest Q9b - 19" LCD Monitor

Page 1: ...ViewSonic Q9b 2 Model No VS11201 19 Color TFT LCD Display Q9b 2_SM Rev 1b Aug 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual...

Page 2: ...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 i...

Page 3: ...ces 1 2 Specification 5 3 Front Panel Function Control Description 14 4 Circuit Description 20 5 Adjustment Procedure 25 6 Troubleshooting Flow Chart 45 7 Recommended Spare Parts List 53 8 Exploded Di...

Page 4: ...icing 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 tr...

Page 5: ...ay 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...

Page 6: ...orrect methods Only touch the metal frame of the LCD panel or the front cover of the monitor DO not touch the surfaceof the POL Surface of the LCD panel is pressed by fingers and that may cause mura T...

Page 7: ...Q9b 2 4 Correct methods Incorrect methods Place the monitor on a clean and soft foam pad Placing the monitor on a foreign objects that could scratch The surface of the Panel or cause mura The panel i...

Page 8: ...s Video Cable Connector DB 15 Pin out Compliant 2B Video RGB Analog Separate Sync Video Signals TMDS Digital Video Impedance 75 Ohms Analog 100 Ohms Digital Maximum PC Video Signal 950 mV with no dama...

Page 9: ...y and operating temperature Power Supply Transient Immunity Shall be able to withstand an ANSI IEEE C62 41 1980 6000V 200 ampere ring wave transient test with no damage Power Supply Line Surge Immunit...

Page 10: ...KHz 8 800 x 600 60 Hz 37 9 KHz 9 800 x 600 72 Hz 48 1 KHz 10 800 x 600 75 Hz 46 9 KHz 11 832 x 624 75 Hz 49 7 KHz 12 1024 x 768 60 Hz 48 4 KHz 13 1024 x 768 70 Hz 56 5 KHz 14 1024 x 768 75 Hz 60 2 KH...

Page 11: ...rom left to right Button Icon Function Button1 Select backward Button2 Select forward Button3 Power Button4 Adjust Down Button5 Adjust Up Reaction Time OSD must fully appear within 0 5s after pushing...

Page 12: ...s shown in Section 2 8 2 Clean all the mode setting buffer 3 Execute Auto Image Adjust 0 Touch Function Actions 1 Execute Auto Image Adjust when new mode detected and save the settings to buffer for f...

Page 13: ...z Distortion 5 THD 1kHz Vibration There should be no audible vibration with volume at 100 and treble bass at default Screen image There should be no affect on the screen image stability under any cond...

Page 14: ...m2 Typ after 30 minute warm up Luminance Center CCT User Color R G B 100 Contrast Brightness Max 240 cd m2 Min after 30 minute warm up Brightness Uniformity 75 Typ 70 Min Contrast Ratio 700 1 Typ 450...

Page 15: ...tness 100 Color Temperature User R G B 100 Same as the Contrast Ratio in section 2 6 TFT LCD PANEL Saturation Contrast Default Brightness Default Test pattern 128 gray No visible saturation Preset Col...

Page 16: ...difference between any two cabinet components shall be less than 0 80 Delta E Front Bezel Color in the 1976 CIE L a b Colorspace Neck Base Speaker Cover Rear Cover and Rear Logo Color The reference fo...

Page 17: ...indicator Turn the power on or off 1 Show the mute OSD 2 Decrease a function s value 3 Move to the next function left 1 Show the volume OSD menu 2 Increase a function s value 3 Move to the next funct...

Page 18: ...ge for H V Center 10mm or more 5mm or more c Adjusted Range for H Phase Pitch 60 steps 50 dots d Color Standard Shipping Condition Native Preset Color Mode Cool Native Warm User Adjustment Mode Users...

Page 19: ...ed the acceptable input frequency range the monitor keeps indicating the SIGNAL OVER RANGE as the OSD information after 2 seconds If both input signal frequencies are in the acceptable frequency range...

Page 20: ...00 According to HANNSTAR Luminance with all pixels in black HSD190ME13 A02 3 8 Shipping Luminance a Condition Input signal Full white pattern Controls Color temperature of Office Cont Brt Default valu...

Page 21: ...nal Specification The following electrical defects shall not be so conspicuous ITU R 4 5 or better in primary mode and ITU R 4 0 or better in other modes 2 ringing seam etc 3 flicker noise beat etc 4...

Page 22: ...80 70Hz 640 480 60Hz 640 480 72Hz 640 480 75Hz 800 600 56Hz 800 600 60Hz EF 800 600 72Hz 800 600 75Hz 832 624 75Hz 1024 768 60Hz 1024 768 70Hz 1024 768 75Hz 1280 1024 75Hz 00 26 Standard Timing Identi...

Page 23: ...its latched data is meaningful the analog voltage to be measured should be stable during the conversion operation and the variation will not exceed 1 LSB for the best accuracy in measurement B Scalli...

Page 24: ...for panel compensation l Supports Hue and saturation adjustment l Built in POST pattern Timing controller l Support RSDS output l Provides 4 differential data pairs to support 6 or 8 bit RGB data bus...

Page 25: ...ViewSonic Corporation Confidential Do Not Copy Q9b 2 22 Pin description...

Page 26: ...ViewSonic Corporation Confidential Do Not Copy Q9b 2 23...

Page 27: ...gine execute image zoom in zoom out function the zoom feature provides linear scaling up down that makes it easier to fit different panel resolutions The OSD provides a bit map multi color RAM front t...

Page 28: ...it diagram pls see the appendix two and three 3 Setup 3 1 with 32 level gray scale Pattern 3 2 Brightness Set 50 Contrast Set 50 3 3 Auto White Balance Entered into Maintain mode then choose Menu F199...

Page 29: ...his time pls press the open document as follow choose the project document and press the open button the pattern is as follow note pls choose the related program depending on the model and panel of th...

Page 30: ...ViewSonic Corporation Confidential Do Not Copy Q9b 2 27 5 4 Pls select Set Range ADC setup range pattern is as follow LM1901XXND Gain 0 255 Offset 0 255...

Page 31: ...re setup the color temperature specification the 7500K of the program is SRGB color temperature pattern as follow advise the adjust tolerance will be 3 5 6 Pls select Set Color Analyzer setup color an...

Page 32: ...nic Corporation Confidential Do Not Copy Q9b 2 29 5 7 Pls select Set Video Generator to set the signal generator s Type and Timing Pattern refer to the pattern as follow 5 8 pls select Set Default RGB...

Page 33: ...y 0 297 0 015 SRGB x 0 313 0 015 y 0 329 0 015 7 POWER SAVING power test INPUT 1280x1024 75Hz FULL WHITE insert the signal to D SUB DVI CHECK whether the POWER SAVING is normal POWER SAVING LED whethe...

Page 34: ...Methods MCU software written 2 1 Used equipment 1 one PC Windows system one Print PORT connect withIIC RS 232 Adapter Board 2 IIC RS 232 Adapter Board Set IIC Port 2 2 applicable program operate 1 exe...

Page 35: ...OSS TALK PATTERN63 FH 79KHz FV 75Hz 2 1 input the signal to D SUB to execute AUTO ADJUSTING function then CHECK the pattern whether have interaction noise if still have noise we can slightly adjust th...

Page 36: ...3 Disassembly Procedure 1 Remove the hinge cover 2 Unscrew 8 pcs screws 3 Unscrew 2 pcs screws 1 2 ViewSonic Corporation Confidential Do Not Copy Q9b 2 33...

Page 37: ...flake to hole and pull the flake along the gap between the bezel and housing to separate the housing from bezel 5 Pull out the speaker waire from the main board ViewSonic Corporation Confidential Do N...

Page 38: ...6 Take out housing part 7 Remove 4pcs screw take out shield cover ViewSonic Corporation Confidential Do Not Copy Q9b 2 35...

Page 39: ...the earth screw push up the signal cable from the frame pull up signal cable connecter from the main board 9 Pull out the 4pcs lamp wire from power board ViewSonic Corporation Confidential Do Not Copy...

Page 40: ...10 Unscrew 4pcs screw 11 Take the power board up from the frame ViewSonic Corporation Confidential Do Not Copy Q9b 2 37...

Page 41: ...ar off the aluminum foil where cover the FFC cable push the connert hook forward pull out FFC cable from the main board push the connert hook forward ViewSonic Corporation Confidential Do Not Copy Q9b...

Page 42: ...push 2pcs hook forward ViewSonic Corporation Confidential Do Not Copy Q9b 2 39...

Page 43: ...15 Unscrew 2 pcs screws ViewSonic Corporation Confidential Do Not Copy Q9b 2 40...

Page 44: ...16 Release all hooks around the Panel for remove the bezel Frame ViewSonic Corporation Confidential Do Not Copy Q9b 2 41...

Page 45: ...17 Remove bezel from the panel 18 Unscrew 2pcs screw with at the panel side ViewSonic Corporation Confidential Do Not Copy Q9b 2 42...

Page 46: ...n film to protect the monitor screen Figure 1 1 2 Put the monitor in the PE bag and seal bag with type Figure 2 1 3 Put the cushions on the monitor Figure 4 tape tape Production film ViewSonic Corpora...

Page 47: ...place the base on the cushions as figure 1 5 Place the monitor into the carton and then put all accessories into carton At last close the carton Use s Guide Power cord Base Audio cord ViewSonic Corpo...

Page 48: ...Corporation Confidential Do Not Copy Q9b 2 45 6 Troubleshooting Flow Chart Main Procedure Start Connect all of devices to the LCD monitor Power On Is indicator LED light A Power Circuit Troubleshootin...

Page 49: ...Q9b 2 46 Is backlight on Display Performance O K Function Adjustment O K Audio Function O K No Trouble Found End B Backlight Troubleshooting C Performance Troubleshooting D Function Troubleshooting E...

Page 50: ...ViewSonic Corporation Confidential Do Not Copy Q9b 2 47 A Power Circuit Troubleshooting Start Change AC DC Adapter Retry Power On Change Main Board Retry No Trouble Found End End End...

Page 51: ...ViewSonic Corporation Confidential Do Not Copy Q9b 2 48 B Backlight Troubleshooting Start Change Inverter and Retry No Trouble Found End End End End Backlight Change Module Change Main Board Retry...

Page 52: ...hange VGA Cable Change Main Board Bad Uniformity Is screen white NO NO Screen is scrolling LCD Line Defect Change Inverter Board Change LCD Module Change LCD Module Check Connector Change Main Board C...

Page 53: ...Q9b 2 50 2 Screen with noise or line bar Prss Reset Button from front panel control End Change Main Board Screen is smaller Make sure relution is set at default Reset O K Change Main Board No Trouble...

Page 54: ...iewSonic Corporation Confidential Do Not Copy Q9b 2 51 D Function Troubleshooting Start Control Menu not Functioning Change Control Board and Retry Change Main Board No Trouble Found End No No Yes Yes...

Page 55: ...ial Do Not Copy Q9b 2 52 E Audio Troubleshooting Start Make sure sound output Audio cable is OK No Sound Change Speaker Change Speaker Change Main Board Sound is broken Volume Unadjustable No Trouble...

Page 56: ...0ME13 A16 1280 1024 SX 19 LVDS HANNSTAR E 00005792 E34862190H303 1 15 LCD MODULE HSD190ME13 A10 1280 1024 SX 19 LVDS HANNSTAR Added on 08 03 06 E 00008009 E34862190H304 1 16 Hardware BRACKET ASSY LM F...

Page 57: ...A XLM1700390015 SF POWER BOARD INVERTER BOARD ASSY PI SB03 24V 5V LM 17 19LCD MONITOR FOR VIEWSONIC REV 1 PHIHONG feihong 1 48 N A XLM1700390015 SH POWER BOARD INVERTER BOARD ASSY PI SB03 24V 5V LM 1...

Page 58: ...ECTOR M 180 2 0mm 1ROW 4P CNA1 1 107 N A Y64115HB06 1 CONNECTOR 180 2mm 6PIN CN1 1 108 N A XLM1704050002 KEY BOARD ASSY LM LM1704 For Realtek 1 109 N A BLM1704B10212 BARE PCB LM MR1704 BUTTON BOARD 1S...

Page 59: ...m FOR VIEWSONEC 0 006 39 N A V900505020003 AL FOIL L50 W30 T0 10mm 1 40 N A V900505030001 AL FOIL L100xW40xT0 07mm 1 41 N A V900505030007 AL FOIL L100xW30 T0 35mm Y78400004G 1 4 42 CB 00005758 W002691...

Page 60: ...R6 R28 R29 R30 R36 6 99 N A R074702J20111 05 RESISTOR RES CHIP 47K 5 J 1 8W 0603 TAPPING SMD RA3 RA4 2 100 N A R076801J10111 RES CHIP 6 8K 5 J 1 10W 0603 TAPING SMD R57 1 101 N A R141002J20111 RES ARR...

Page 61: ...ViewSonic Corporation Confidential Do Not Copy Q9b 2 58 8 Exploded Diagram and Exploded Parts List...

Page 62: ...13 N A M420202010001 EATHER 2 14 N A P36AHAE050001 MYLAR BOTTOM 1 15 B 00005755 XLMF179040001 MAIN BOARD ASSY 1 16 N A XLM1700390004 POWER BOARD 1 17 N A M105243005401 SCREW MACHINE 4 18 N A M1082530...

Page 63: ...60 W40218A022631 CABLE CON POWER CORD AC USA 18AWG L1500mm BLACK C 1 6 DC 00005761 F000219043001 USER S MANUAL LM LM1904 L210 W148mm for Vosunis REV 0 1 7 N A F300250000062 PE L260 W180 T0 03mm BAG 18...

Page 64: ...5V 3 3V 1 8V PANEL_VCC Key Value Key_BUS Panel Interface Value RX3 RXCK RX2 RX1 RX0 VGA_IN Value R_IN G_IN B_IN DDC_VDD DDC_SDA DDC_SCL VGA_DET VSI HSI Scaler Value R_IN G_IN B_IN SDA SCL RX0 RX1 RX2...

Page 65: ...F L4 B0805 80 R15 NC R13 75 C1 0 1uF 1 2 C10 22pF C12 22pF 1 2 R8 100 R2 75 R9 100 R10 2 7k D2 BAV99 1 3 2 C13 22pF 1 2 C6 0 1u C4 0 1uF 1 2 U1 74LCX14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 D0 Q0 D1 Q1 D2...

Page 66: ...330 U2 NT68F633 41 42 43 10 44 12 22 20 21 11 13 16 17 15 14 24 23 9 8 7 6 32 40 39 5 33 38 37 36 1 35 34 31 30 29 2 25 26 27 28 3 4 19 18 PC2 PC1 PC0 RSTB VCC PD6 GND OSCO OSCI P30 RXD P31 TXD P34 T...

Page 67: ...118 120 85 37 124 Vref NC NC BIN NC NC GIN ADC_VAA ADC_GND GIN NC NC SOGI VSYNCI CGND OSCI OSCO ADC_VAA GPO1 SPA SPB DGND DPLL_DVDD CVDD DVDD IRQn BRSBP 0 DVDD RSTn SDA SCL CVDD CGND Y0 Y1 Y2 Y3 Y4 Y...

Page 68: ...SRN1 T5M ARSRP1 T1P ARSGN0 T1M ARSGP0 T4M ARSRP0 T4P ARSRN0 T2M ARSGP1 T2P ARSGN1 TCLK1P ARSGN2 T4M ARSRP0 T4P ARSRN0 T5P ARSRN1 T3M ARSGP3 TCLK2M ARSRP3 T0M ARSBP3 T1M ARSGP0 T0P ARSBN3 T7P ARSCLK_N...

Page 69: ...n PH 2 0mm 1 2 3 4 C103 NC CN8 3PIN 2 0mm 1 2 3 R61 18k C67 470u 16V CN12 PHONEJACK 3 5D 5 4 3 2 1 C68 100pF 1 2 C74 470u 16V C73 100pF 1 2 C72 1u U5 TDA7496L 1 2 3 13 18 19 20 9 8 10 11 12 14 15 16 1...

Page 70: ...6 D10 SS14 C98 0 1u R68 100 C81 0 1uF C88 0 1u H1 1 2 7 8 3 4 5 6 9 H4 1 2 7 8 3 4 5 6 9 R75 10k U9 AP1509 1 2 3 4 5 6 7 8 Vin Output FB SD GND GND GND GND U6 AP1509 1 2 3 4 5 6 7 8 Vin Output FB SD...

Page 71: ...H SWITCH 4P SW1 TOUCH SWITCH 4P SW5 TOUCH SWITCH 4P SW2 TOUCH SWITCH 4P D17 LED Dual 1 2 3 CN13 JST 8Pin PH 2 0 H 90 1 2 3 4 5 6 7 8 SW3 TOUCH SWITCH 4P Model Title Date Rev ViewSonic Corporation K B...

Page 72: ...Model Title Date Rev ViewSonic Corporation COMPONENT SIDE ViewSonic Corporation Confidential Do Not Copy 69 11 PCB Layout Diagrams Q9b 2...

Page 73: ...Model Title Date Rev ViewSonic Corporation COPPER BOTTOM ViewSonic Corporation Confidential Do Not Copy 70 Q9b 2...

Page 74: ...Model Title Date Rev ViewSonic Corporation DRILL DRAWING ViewSonic Corporation Confidential Do Not Copy 71 Q9b 2...

Page 75: ...Model Title Date Rev ViewSonic Corporation SOLDER MASK TOP ViewSonic Corporation Confidential Do Not Copy 72 Q9b 2...

Page 76: ...Model Title Date Rev ViewSonic Corporation Solder Mask Bottom ViewSonic Corporation Confidential Do Not Copy 73 Q9b 2...

Page 77: ...Model Title Date Rev ViewSonic Corporation PASTE MASK TOP ViewSonic Corporation Confidential Do Not Copy 74 Q9b 2...

Page 78: ...Model Title Date Rev ViewSonic Corporation SILKSCREEN TOP ViewSonic Corporation Confidential Do Not Copy Q9b 2 75...

Page 79: ...it 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 Diagra...

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