ViewSonic VX500PLUS-1 User Manual Download

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Service Manual

ViewSonic

VX500+-1

Model No. V

CDS

3897-1W

” Color TFT LCD Display

(

X500+-1_SM_576-Rev.1a-May 2002)

ViewSonic

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

Summary of Contents for VX500PLUS-1

Page 1: ...Service Manual ViewSonic VX500 1 Model No VLCDS23897 1W 15 Color TFT LCD Display VX500 1_SM_576 Rev 1a May 2002 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583...

Page 2: ...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...

Page 3: ...1 2 SPECIFICATIONS 2 3 TIMING CHART 15 4 FRONT PANEL CONTROL FUNCTION DESCRIPTION 21 5 CIRCUIT DESCRIPTION 31 6 WAVEFORMS 37 7 TROUBLE SHOOTING FLOW CHART 40 12 SCHEMATIC DIAGRAMS 58 10 EXPLODED PART...

Page 4: ...om overheating Do not block ventilation slots and openings with objects or install the display in a place where ventilation may be hindered z Do not install this display near a motor or transformer wh...

Page 5: ...rtical typ CR 10 1 Anti Glare Input Signals RGB Digital Analog 0 7 Vp p 75 Separate sync Composite sync Sync On Green TMDS Positive Polarity TTL level Input connector Analog mini D sub 15 pin x 1 Digi...

Page 6: ...ature Operating Humidity Storage Temperature Storage Humidity 0 to 40 C PANEL SURFACE 10 to 95 no condensation wetbulb 29 degree C 20 to 60 C PANEL SURFACE 10 to 95 no condensation wetbulb 29 degree C...

Page 7: ...san TM150XG 26L06A Effective display size 304 1mm H x 228 1 mm V 15 0 38 cm diagonal Pixel number 1024 x 768 pixels Color filter arrangement R G B vertical stripe Display method TFT normally white Dri...

Page 8: ...input signal impedance 1 0 Vrms 10 kOhm 3 3 3 3 OUTPUT SIGNAL AT SPEAKER TERMINAL Vp p out 5 Vp p 10 distortion 3 3 3 4 Frequency Response 300 Hz 20 Khz 3 3 3 5 Connector PC99 requirement Audio in Li...

Page 9: ...nnector 24 PIN DVI D CONNECTOR PIN ASSIGNMENT Pin No Signal Name Description 1 RX2 TMDS negative differential input channel 2 2 RX2 TMDS positive differential input channel 2 3 GND Logic Ground 4 Rese...

Page 10: ...TMDS positive differential input reference clock 24 RXC TMDS negative differential input reference clock 3 3 4 3 Audio Connector 3 5 mm Stereo jack x 1 3 5mm Microphone jack x 1 3 3 5 Signal Timing 3...

Page 11: ...RD MOD 14 60 023 1 0KHz 75 0 1 0Hz 1024X768 75 VESA STANDARD 3 4 Luminance Control Analog signal 6500K over 200 cd m2 Cont Bright max Digital signal 6500K over 200 cd m2 Cont Bright max 3 5 Synchroniz...

Page 12: ...alog 6500k Brightness at center of display surface 200 cont bright backlight max Cd m2 These characteristics were measured under the following conditions Temperature 77 6 F 25 5 C Viewing angle AU 0 A...

Page 13: ...Definition of response time is as follows Response time is measured when the display data is changed from white to black 100 90 10 0 TF TR Optical Response White White TFT OFF Black TFT ON White TFT...

Page 14: ...1250 Panel dimensions WxDxH mm 332x255x13 mm typ Resolution 1024 x 768 Panel Model number TM150XG 26L06A 15 TFT Panel Interfaces TTL Optical performance Contrast ratio 500 1 Typical 300 1 Minimum Lumi...

Page 15: ...ive On On On Green Stand by No Pulses Pulses Blanking Off Off Amber Suspend Pulses No Pulses Off No Pulses No Pulses Complete N A N A N A Off Off 3 8 FullScan Capability When the input display mode is...

Page 16: ...1 Operating Conditions Temperature 0 Through 40 C Humidity 10 to 95 39 degree welt bulb Altitude 0 3 000 meter 6 2 Non operating Conditions Temperature 20 through 60 C Humidity 10 to 95 39 degree welt...

Page 17: ...Preset Signal Timings H total H pulse H front H back Horizontal V total V pulse V front V back V active Vertical H Video H active V Video ViewSonic Corporation Confidential Do Not Copy VX500 1 14...

Page 18: ...gative Negative Negative H resolution dots 640 720 640 640 640 V resolution lines 350 400 480 480 480 Mode 6 7 8 9 10 Signal name symbol VGA VESA VGA SVGA SVGA SVGA H frequency khz 37 5 43 269 35 156...

Page 19: ...egative Negative Negative V sync Polarity Positive Positive Negative Negative Negative H resolution dots 800 800 832 1024 1024 V resolution lines 600 600 624 768 768 Mode 16 17 18 Signal name symbol X...

Page 20: ...ext Dos text VGA VGA VGA H frequency khz 31 468 31 468 31 468 31 468 37 862 V frequency hz 70 087 70 077 60 000 59 941 72 807 Pixel rate mhz 25 175 28 327 25 175 25 175 31 501 H sync Ths 96 108 96 96...

Page 21: ...ositive V sync Polarity Negative Negative Negative Positive Positive H resolution dots 640 640 800 800 800 V resolution lines 480 480 600 600 600 mode 11 12 13 14 15 Signal name symbol SVGA SVGA XGA X...

Page 22: ...nc Polarity Positive Positive H resolution dots 1024 1024 V resolution lines 768 768 Appendix I EDID Code Analog 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 00 FF FF FF FF FF FF 00 5A 63 08 0B 01 01 01 01 10 0...

Page 23: ...BF EF 80 81 80 81 8F 71 4F 61 4F 49 4F 30 45 4F 31 4F 81 C0 30 2A 00 98 51 00 2A 40 30 70 40 13 00 78 2D 11 00 00 1E 00 00 00 FF 00 41 31 31 50 30 32 30 31 30 30 30 30 31 0A 00 00 00 FD 00 32 60 4B 1...

Page 24: ...s to default value 4 Press 1 button to enter OSD main menu 5 Press volume plus volume minus to directly adjust the audio volume 6 Press mute button to directly mute on or off the audio volume OSD oper...

Page 25: ...on your LCD Display Lower the video refresh rate to 60 Hz and try again See computer or graphic card user guide to adjust refresh rate The panel may be manually tuned using the horizontal and vertica...

Page 26: ...on to scroll desired menu option Press 2 button to select submenu option Volume increases the volume decreases the volume 1 E x it 2 C o n tr a s t B rig h tn e s s 1 E x it 2 S e le c t In p u t S e...

Page 27: ...s the high treble and low bass frequency audio output Press 2 button to select bass adjustment Bass press or to adjust bass Treble press or to adjust treble Mute 1 E x it 2 S e le c t L R B a la n c e...

Page 28: ...00K Adds red to screen image for warmer white and richer red 5400K Adds green to screen image for a darker color 5000K Adds blue and green to screen image for a darker color User color Individual adju...

Page 29: ...sition V Position moves screen image up or down move screen image down moves screen image up 1 E x it 2 S e le c t H P o s itio n 1 E x it 2 S e le c t V P o s itio n H V Position Manual Image Adjust...

Page 30: ...on XGA 1024 x 768 RGB signal Press or to adjust Setup Menu 1 E x it 2 S e le c t H S iz e 1 E x it 2 S e le c t F in e T u n e S h a rp n e s s 1 E x it 2 S e le c t S o ft S h a rp Language Setup Men...

Page 31: ...Position press the 2 button to select the OSD H Position or OSD V Position OSD H Position moves OSD left moves the OSD right OSD V Position moves OSD down moves the OSD up Resolution Notice Disable 1...

Page 32: ...Disable 1 Exit Enable 2 Select Auto Image Adjust Contrast Brightness Input Select Color Adjust 9300K 6500K default 5400 5000 R G B Information Mode Model Number Serial Number Manual Image Adjust H Siz...

Page 33: ...OSD Auto Save The OSD shall save new settings when it is turned off by the user or when it times out There shall not be a separate save ViewSonic Corporation Confidential Do Not Copy VX500 1 30...

Page 34: ...ut not to exceed Van voltage 2 Micro Controller ICM10 is an 8051 embedded monitor controller MTV312M64 It plays a major role in the digital control of the LCD monitor ICM10 acts as a Key control DPMS...

Page 35: ...omposite sync also known as sync on green or SOG All sync types are supported without the need for external sync separation extraction circuits The gm5010 features four clock inputs All additional clo...

Page 36: ...ned true colors In 4 bit bitmapped mode any pixel can be assigned any one of 16 user defined true colors 15 colors plus one transparent The gm5010 incorporates an embedded microprocessor or OCM On Chi...

Page 37: ...ut for treble control 5 Treb_R I Right channel input for treble control 6 RIN I Audio processor right channel input 7 Rout O Gain output input selector for right channel 8 Loud_R I Right channel loudn...

Page 38: ...are right and left channel inputs respectively Pins 4 and 6 are right and left channel outputs which connect to two 4 OHM speakers Pin 8 is the mute stand by Pin 7 is the voltage input for ICA1 C Touc...

Page 39: ...in sin_x No pin Ref_bias_adj Timer bias control pin which is related in sin_x No Ref_x No Using 30kohm 150kohm resistor it control time with ref_x No capacitor In direct touch 10kHz 100kHz is recomme...

Page 40: ...A1 Figure of Waveform FIG 1 12V FIG 2 5V FIG 3 3 3V FIG 4 2 5V FIG 5 32 GRAY SIGNAL INPUT FIG 6 H SYNC ViewSonic Corporation Confidential Do Not Copy VX500 1 37 WAVE FORMS 6...

Page 41: ...FIG 7 V SYNC FIG 8 24M CLOCK FIG 9 DISPLAY CLOCK FIG 10 DISPLAY ENABLE FIG 11 MCU CLOCK FIG 12 AUDIO SINE SIGNAL IN ViewSonic Corporation Confidential Do Not Copy VX500 1 38...

Page 42: ...FIG 13 AUDIO SINE SIGNAL OUT ViewSonic Corporation Confidential Do Not Copy VX500 1 39...

Page 43: ...el of JM1 is approximately 12V Check JM2 pin1 is12V pin5 is 5V ICM1 failure LM1 failure Adapter failure YES NO YES NO YES NO Inverter failure ICM10 failure YES NO Check that the voltage level of ICM1...

Page 44: ...ck 1 RM59 FIG 9 2 RM62 FIG 10 Failure point The cable is disconnected Failure point The cable is disconnected Check JM2 pin1 is12V pin5 is 5V Check ICM11 Pin4is low voltage Failure point 1 ICM15 ICM16...

Page 45: ...int 1 AC adapter failure 2 Disconnected between JM1 and power cord Check that ICM2 Pin5 6 7 and 8 is YES NO Check that LM5 pin 2 is about 5V YES NO Failure point LM1 failure Failure point ICM2 failure...

Page 46: ...2V Failure point 1 JA1 failure 2 ICM10 failure Check ICA2 pin11 Pin15 signal is FIG 19 Check ICA1 pin2 is about 5V NO YES YES NO Check ICA5 ICA6 pin4 is about 5V Failure point 1 QA6 or QA7 failure 2 I...

Page 47: ...nal level of RM9 RM10 RM11 is FIG 5 YES Check the HS and VS is FIG 6 and FIG 7 NO NO Failure point 1 The video connector is disconnected 2 Signal cable disconnected 5 Show No Signal on screen ViewSoni...

Page 48: ...O Check that the signal cable is fully connected between the Inverter and touch board Failure point The cable is disconnected Failure point 1 ICT1 failure 2 LED failure ViewSonic Corporation Confident...

Page 49: ...Colorimeter Minolta CA110 or equivalent 1 4 Method to enter exit factory mode 1 4 1 Press VOL and 1 and Down Key simultaneously 3 times when display is powered on with an image 1 4 2 To ensure the mon...

Page 50: ...ected item 2 Color temperature alignment Before manual adjust color temperature set OSD contrast 80 brightness 100 factory default enter into factory mode and select COLOR TEMP MANUAL item 2 1 9300 al...

Page 51: ...2 to move cursor to R driver or G driver or B driver and then press UP or DOWN key to adjust it to meet following chromaticity spec 5400 K x 0 332 0 030 y 0 348 0 030 Y 190CD M2 2 3 3 press 1 to exit...

Page 52: ...ASE BOTTOM ARM BASE 17 3109012100 SCREW TAPPING 3 6L PAN ZN NECK F C ABS BRKT NECK 18 3109015000 SCREW TAPPING M3 1 06 8 PAN ZN TOURCH PANEL 19 3109015300 SCREW TAPPING 3 1 06 10 SPEAKER ASS Y 20 3110...

Page 53: ...0 55 3372800100 HINGE L ASSY SUS304 T2 0 56 3421024500 CABLE CLAMP GROUNDING SPCC T 3 COVER LCD 57 3463000800 CONDUCTIVE AL 25 30 T 0 1 PCBCOVER COVER LCD 58 3500929300 PE BAG 420 460 0 5T 59 35010007...

Page 54: ...A A A A ViewSonic Corporation Confidential Do Not Copy VX500 1 51 10 EXPLODED PARTS VIEW...

Page 55: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 52...

Page 56: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 53...

Page 57: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 54...

Page 58: ...3109015000 SCREW TAPPING M3 1 06 8 PAN ZN 18 3109015300 SCREW TAPPING 3 1 06 10 19 3109160100 SCREW TAPPING 3 1 06 10 BIND DRY B 20 3110250000 WASHER SPRING SWRT 21 3200462800 NAME PLATE AL PC VSC 3...

Page 59: ...55 3520084000 PE SHEET 1800 1600 0 15 56 3520087700 PE SHIELDING BAG 280 200 57 3501000700 CUSHION R EPS 464 210 390 VX50 58 3501000800 CUSHION L EPS 464 210 390 VX50 59 3512217901 CARTON 480 226 420...

Page 60: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 57 11 BLOCK DIAGRAM...

Page 61: ...206 1206 1206 A_GND PLL_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND PLL_GND A_GND A_GND PLL_GND A_GND A_GND A_GND ViewSonic Corporation Confidential Do Not Copy VX500 1 58 12 SCHEMATIC DIAGRAM...

Page 62: ...A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND 2 2 2 2 3 3 2 3 3 2 4 3 2 4 2 4 33 2 2 2 2 2 55 2 55 2 3 3 6 3 2 7 2 3 7 2 3 2 2 2 3 8 2 3 3 3 2 2 2 3 8...

Page 63: ...A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND 6 2 3 2 2 6 6 3 6 3 3 8 2 2 2 8 2 3 2 3 2 3 8 2 2 2 2 6 2 3 6 ViewSonic Corporation Confidential Do Not Copy VX500...

Page 64: ...A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND 1 A_GND A_GND A_GND A_GND 84 2 2 8 2 3 2 2 2 2 2 2 8 8 2 2 8 9 8 8 2 2 3 8 8 2 9 8 4 3 3 2 2 2 2 2 2 2 2 2 2 2 8 8 2 2 3 2 2 3 2 2 4 3 ViewSonic C...

Page 65: ...A_GND 1 A_GND A_GND A_GND A_GND A_GND A_GND A_GND 3 3 2 3 2 3 2 3 2 3 3 2 2 3 2 2 3 2 3 2 3 2 3 2 3 ViewSonic Corporation Confidential Do Not Copy VX500 1 62...

Page 66: ...A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND A_GND 8 2 3 8 8 8 2 8 2 8 2 3 8 2 8 2 8 8 2 3 2 3 2 8 8 8 8 8 8 8 8 8 8 6 6 2 1K 2 2...

Page 67: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 64 13 PCB LAYOUT DIAGRAM...

Page 68: ...ViewSonic Corporation Confidential Do Not Copy VX500 1 65...

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