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ViewSonic VX2739wm-1

VX2739wm-CN

Model No. VS12843

27” Color TFT LCD Display

(VX2739wm-1_VX2739wm-CN_SM Rev. 1a May. 2010)

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

Service Manual

Содержание VX2739wm-1

Страница 1: ...iewSonic VX2739wm 1 VX2739wm CN Model No VS12843 27 Color TFT LCD Display VX2739wm 1_VX2739wm CN_SM Rev 1a May 2010 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual ...

Страница 2: ...ticular purpose 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 Trademarks Optiquest is a registered trademark of ViewSonic Corporation ViewSonic is a registered trademark of ViewSonic Corporation All other trademarks used within this documen...

Страница 3: ...tion 17 4 Circuit Description 20 5 Adjusting Procedure 22 6 Trouble Shooting Flow Chart 68 7 Block Diagrams 74 8 Schematic Diagrams 75 9 PCB Layout Diagrams 78 10 Exploded Diagram And Spare Parts List 79 11 Recommended Spare Parts List 80 ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY ii ...

Страница 4: ...se this apparatus to rain or moisture Disconnect Device The Mains Plug or An Appliance Coupler The mains plug or an appliance coupler is used as the disconnect device for disconnection from the mains the disconnect device shall remain readily operable Safety Operate the Monitor on 100V and 120 V AC only Use the AC power cord specified by ViewSonic and suitable for the voltage where you use it The ...

Страница 5: ...three people When you carry the Monitor place your hands as illustrated and hold it securely Do not put stress on the LCD panel and the frame around the screen When carrying the Monitor do not subject it to shocks vibration or excessive force When lifting or moving the Monitor hold it securely from the bottom Place your palm directly under the panel Installed on the wall Installed with stand ViewS...

Страница 6: ...ass or crystalline liquid which is toxic with bare hands as cuts poisoning or skin irritation may occur Also do not glass fragments or leaked crystalline liquid get into your eyes or mouth Should either contacted your eyes or mouth rinse the contacted area thoroughly with water and consult your doctor Note This television includes a QAM demodulator which should allow you to receive unscrambled dig...

Страница 7: ... 1 Input Signal D Sub DVI HDMI Sync Compatibility Separate Sync Composite Sync SOG Adapter Internal Power Board Power Cable Refer to APPENDIX B Yes 15 pin mini D SUB Analog Cable 1 8 m black with PC 2001 Detached cable refer the Appendix A Yes DVI D Cable 1 8m black with PC 2001 refer to Appendix A Yes Audio Cable 1 8m black with PC 2001 Yes MIC Cable 1 8m black with PC 2001 No USB Cable V2 0 1 8m...

Страница 8: ...ay area 597 89 mm H x 336 31 mm V Pixel Pitch 0 3114 mm H x 0 3114 mm V pixel Native Resolution 1920 x 1080 Speaker Output 2W x 2 2 3 Front View and Rear View N o Name Photo Materials Piece Texture Color Scheme 1 Front ABS 1 POLISH 8000 Viewsonic black 2 Back ABS 1 Mold Tech MT 11020 Logo is POLISH 8000 Viewsonic black ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 8 ...

Страница 9: ...Viewsonic black 6 base ABS 1 POLISH 8000 Viewsonic black 7 base_ring ABS 1 electroplate silver 8 Power button Transluce nt PC 1 POLISH 8000 1 Black by painting at core side surface 2 Power icon by Lacer engravin g and then painting pantone 427C 3 Blue LED ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 9 ...

Страница 10: ... input impedance 10 Kohm Maximum Amp power output Watt 2 4 W SPKVDD 5V 4OHM Amp THD 10 THD 1kHz Speaker Power rating Ω Watt 4Ω 2 W Signal to Noise Ratio 50 db Frequency response Fo 20kHz SPL 91 dB at 0 1w 0 1m FO 820 Hz Line input connection 1 3 5 mm stereo jack 2 HDMI Vibration There should be no audible vibration resonance at volume 100 any Freq Screen image There should be no affect on the scre...

Страница 11: ...KHz v v v v DMT For Separated SOG and Composite sync switch 640x350 70 640x400 70 and720x400 70 by 1 2 short cut key primary 720x400 70 2 640 x 400 60 Hz 31 5 KHz v v v v DMT For Separate Composite and SOG sync switch 640x400 60Hz and 640x480 60Hz by 1 2 short cut key primary 640x480 60Hz 3 640 x 400 70 Hz 31 5 KHz v v v v DMT For Separated SOG and Composite sync switch 640x350 70 640x400 70 and72...

Страница 12: ...Hz v v v v DTV For Analog sync the information OSD shows 640x480 11 720 x 576 50 Hz 31 3 KHz v v v v DTV 12 800 x 600 56 Hz 35 2 KHz v v v v DMT 13 800 x 600 60 Hz 37 9 KHz v v v v DMT 14 800 x 600 72 Hz 48 1 KHz v v v v DMT 15 800 x 600 75 Hz 46 9 KHz v v v v DMT 16 832 x 624 75 Hz 49 7 KHz v v v v MAC 17 1024 x 768 50 Hz 39 6 KHz v v v v CVT For Separated and Composite sync Switch 1024x768 50Hz ...

Страница 13: ... For Separated and Composite sync Switch 1024x768 50Hz and 1280x768 50Hz by 1 2 short cut key primary 1024x768 50Hz 29 1280 x 768 60 Hz 47 8 KHz v v v v DMT For Composite and SOG Switch 1280x768 60Hz and 1360x768 60Hz by 1 2 short cut key primary 1280x768 60Hz 30 1280 x 768 75 Hz 60 3 KHz v v v v DMT For Separated Composite and SOG Switch 1280x768 75Hz and 1024x768 75Hz by 1 2 short cut key primar...

Страница 14: ...42 1400 x 1050 60 Hz 65 3 KHz v v v v DMT For Separated Composite and SOG Switch 1400x1050 60Hz and 1680x1050 60Hz by 1 2 short cut key primary 1680x1050 60Hz 43 1400 x 1050 75 Hz 82 3 KHz v v v v DMT 44 1600 x 1200 60 Hz 75 0 KHz v v v v DMT 45 1680 x 1050 60 Hz 64 7 KHz v v v v DMT 46 1680 x 1050 60 Hz 65 3 KHz v v v v DMT For Separated Composite and SOG Switch 1400x1050 60Hz and 1680x1050 60Hz ...

Страница 15: ...Hz 9 56 1080p 50 Hz 9 9 9 9 57 1080p 60 Hz 9 9 9 9 1 Tolerance 2KHz if no over lapping issue 2 Any timing not in the list it should display as normal or show on OUT OF RANGE OSD message without blanking ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 15 ...

Страница 16: ...rt Cuts Function from the button 1 Main Menu refer to segment 4 6 3 2 Input toggle Analog or DVI or HDMI refer to refer to EDID Text To immediately activate Audio Adjust menu To immediately activate Contrast Brightness OSD Menu 1 In the Audio mode recall both of Volume and Mute to default without OSD message Under Volume adjust sub menu recall Volume to default without OSD message 2 In the BT CR m...

Страница 17: ...ommend environment 3 1 Optical Best input timing 640 x 480 60Hz Following timing modes also recommended 800 x 600 60 Hz 1024 X 768 60 Hz 3 2 Pattern as below 1 OSD Lock Unlock refer to segment 4 6 4 1 Power Lock Unlock refer to segment 4 6 5 2 Toggle DDC CI and DDC 2B DDC CI enable disable and show following message for 3 seconds When switch to DDC CI When switch to DDC 2B ViewSonic Corporation VX...

Страница 18: ...Default DDC CI Signal 2 Factory Mode Remark All the short cuts function are only available while OSD off ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 18 ...

Страница 19: ...source only provided 5V to TSUMO88GDI Monitor total power consumption will be less the 1W The status for 5VD and 5V as below 5V will provide 1 via Q4 Q3 VLCD for LCD panel 2 via U9 transferred to 3 3V for TSUMO88GDI audio AMP and system related parts 3 via U9 transferred to 1 8V for TSUMO88GDI CON1 CON5 CON6 CON3 CON7 CON8 CON2 J4 or J7 J6 J3 ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTI...

Страница 20: ... U12 Audio AMP to speaker via CON6 or earphone via J4 VIDEO The outputs for video are CON7 CON8 CON2 as below CON7 HDMI CON8 DVI CON2 D SUB These signals will transmit to TSUMO88GDI transferred to LVDS to LCD Panel via CON5 for programming KEYPAD LED DISPLAY CON3 is KEY and LED board connector controlled way for key board is from ADC build in TSUMO88GDI When user press the buttons identified by TS...

Страница 21: ...ton definition 1 OSD off 2 Execute the selected function Up Rolling up the slider When push the button on the top position the slider shall go down to the bottom item Dn Rolling down the slider When push the button on the bottom position the slider shall go down to the top item 2 Under sRGB or DCR mode the Contrast Brightness shall be disabled with fate out color And it should not be selected View...

Страница 22: ...ghtness Key button definition 1 Back to previous OSD status 2 select to adjust value setting Up Move up the slider Dn Move down the slider Brightness 1 Adjust range 0 to 100 2 Default 100 3 Key button definition 1 Back to Main Menu or OSD off depend on previous status Up Increase the OSD value setting Dn Decrease the OSD value Up Dn Recall to default ViewSonic Corporation VX2739wm 1 VX2739wm CN CO...

Страница 23: ... port by white background color 2 Key button definition 1 Back to previous OSD status 2 Change to the selected input port Up Move up the slider Dn Move down the slider DVI Step 1 Turn off OSD Step 2 1 Target video input port Digital 2 If signal detected from target port change to target port 3 If no signal detected from target port keep existing input port Step 3 Show on Input Message OSD at the r...

Страница 24: ... signal detected from target port change to target port 3 If no signal detected from target port keep existing input port Step 3 Show on Input Message OSD at the right top corner of screen for 1 second ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 24 ...

Страница 25: ...o target port 3 If no signal detected from target port keep existing input port Step 3 Show on Input Message OSD at the right top corner of screen for 1 second Note HDMI input default setting is HDMI AV and user can change to HDMI PC and saved ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 25 ...

Страница 26: ...elected audio setting Up Move up the slider Dn Move down the slider 3 No signal no output Volume 1 Adjust range 0 to 100 2 Default 50 3 Key button definition 1 Back to Audio Adjust OSD Up Increase the volume setting Dn Decrease the volume setting ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 26 ...

Страница 27: ...D 2 Selected setting 3 When Mute function is selected any change in Volume will disable to Mute 4 This function must memorize its status after DC AC Off to On Audio Input HDMI Change audio source to HDMI ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 27 ...

Страница 28: ...1 Back to Main Menu 2 selected setting AUDIO IN Change audio source to jack plug AUDIO IN sRGB Change Color setting to sRGB 9300K Change Color setting to 9300K 7500K Change Color setting to 7500K 6500K Change Color setting to 6500K Color Adjust 5000K Change Color setting to 5000K ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 28 ...

Страница 29: ...tatus 2 Change to the selected color setting Up Move up the slider Dn Move down the slider 4 Under DCR mode Dynamic Contrast On sRGB shall be disabled with fate out color And it should not be selected User Color Change Color setting to user color Green 1 Adjust range 0 to 100 2 Default 100 3 Key button definition 1 Back to Color Adjust OSD 2 selected setting Up Increase the OSD value setting Dn de...

Страница 30: ...ion 1 Back to Color Adjust OSD 2 selected setting Up Increase the OSD value setting Dn decrease the OSD value setting Information PC timing Display Resolution Video timing Display Video Format ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 30 ...

Страница 31: ...ious OSD status 2 Execute the selected H V Position Horizontal Position 1 Adjust range 0 to 100 2 Key button definition 1 Back to Manual Image Adjust OSD 2 selected setting Up Increase the OSD value setting Dn Decrease the OSD value ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 31 ...

Страница 32: ...wn to the top item 2 Under Digital mode all the H V Position Horizontal Size and Fine Tune shall be disabled with fate out color And it should not be selected 3 Under native mode Sharpness shall be disabled with fate out color And it should not be selected 4 Under SRGB mode Dynamic Contrast shall be disabled with fate out color And it should not be selected Horizontal Size 1 Adjust range 0 to 100 ...

Страница 33: ... Adjust range 0 to 100 2 Key button definition 1 Back to Manual Image Adjust OSD Up Increase the OSD value setting Dn Decrease the OSD value ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 33 ...

Страница 34: ...nge 0 25 50 75 100 2 Default 50 3 Key button definition 1 Back to Manual Image Adjust OSD Up Increase the OSD value setting Dn Decrease the OSD value ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 34 ...

Страница 35: ...s on below functions will be disabled Brightness Contrast menu SRGB selection in Color Adjust White balance hot key DDC CI BR CT adjustment Standard Over Drive off Response Time Advanced Over Drive Level 1 best quality with over drive ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 35 ...

Страница 36: ...When push the button on the top position the slider shall go down to the bottom item Dn Scroll down the slider When push the button on the bottom position the slider shall go up to the top item 3 Default Standard Ultra Fast Over Drive Level 2 faster than level 1 for spec claim Aspect Ratio 4 3 Change aspect ratio to 4 3 ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 36 ...

Страница 37: ...he slider shall go down to the bottom item Dn Scroll down the slider When push the button on the bottom position the slider shall go up to the top item 3 Default full screen Note 1 When input signals are wide format this function is disable 2 When input signals are non wide format this function is enable Full Screen Fill screen with panel native aspect ratio ViewSonic Corporation VX2739wm 1 VX2739...

Страница 38: ...er When push the button on the top position the slider shall go down to the bottom item Dn Scroll down the slider When push the button on the bottom position the slider shall go up to the top item 4 Save PC timing and DTV timing setting separately 5 Default RGB Mode DVI VGA 6 HDMI is auto detected by Info Frame YPbPr YUV RGB Mode Set color space to RGB mode for PC timing mode ViewSonic Corporation...

Страница 39: ...ting by white background color 3 Key button definition 1 Back to previous OSD status 2 Change to the selected Display Mode setting Up Scroll up the slider When push the button on the top position the slider shall go down to the bottom item Dn Scroll down the slider When push the button on the bottom position the slider shall go up to the top Optimize OSD adjust range 0 to 100 ViewSonic Corporation...

Страница 40: ... lamp current will be changed by ECO mode change 7 While ECO or DCR setting changed the lamp current shall be updated to new setting immediately 8 Do not lock Contrast or Brightness OSD for ECO function 9 Following is the lamp current chart Conserve OSD adjust range 0 to 100 ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 40 ...

Страница 41: ...k to Main Menu OSD 2 Execute the selected function Up Scroll up the slider When push the button on the top position the slider shall go down to the bottom item Dn Scroll down the slider When push the button on the bottom position the slider shall go down to the top item Language Select 1 Show on existing input port by red color 2 Key button definition 1 Back to previous OSD status 2 Change to the ...

Страница 42: ...and keep in Language Select OSD Simplified Chinese Set OSD language to Traditional Chinese and keep in Language Select OSD Resolution Notice Swap on and off the Resolution Notice function ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 42 ...

Страница 43: ...3 Key button definition 1 Back to Setup Menu OSD 2 selected setting Up Increase the OSD value setting move OSD right Dn Decrease the OSD value setting move OSD left Up Dn Recall to default value ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 43 ...

Страница 44: ...tting Up Increase the OSD value setting move OSD up Dn Decrease the OSD value setting move OSD down Up Dn Recall to default value 5 Set OSD Time Out to 5 Seconds 15 Set OSD Time Out to 15 Seconds OSD Time Out 30 Set OSD Time Out to 30 Seconds ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 44 ...

Страница 45: ...OSD Up Increase the OSD value setting Dn Decrease the OSD value setting Up Dn Recall to default value 60 Set OSD Time Out to 60 Seconds OSD Background Swap on and off the OSD Background Non transparent Transparent ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 45 ...

Страница 46: ...play will turn off automatically 2 When no signal input with Auto Power Off OFF the display will go into power saving as normal display 3 Default Off 4 Memory Recall will call back the setting to default 5 When push Power Lock hot key under Auto Power Off On the message OSD will show on for 3 seconds Power Lock function is disabled 6 The function will be disabled when power button locked ViewSonic...

Страница 47: ... 3 When Sleep mode is triggered the power of monitor will be turned off 4 Only active in HDMI Mode both in AV PC 5 Key button definition 1 Back to previous OSD status 2 Change to the selected sleep time setting Up Rolling up the slider When push the button on the top position the slider shall go down to the bottom item Dn Rolling down the slider When push the button on the bottom position the slid...

Страница 48: ...clude the R G B in User Color 4 Show the message OSD position is at the center for 3 seconds 5 Clean FIFO timing mode buffer 6 Execute Auto Image Adjust Note Memory Recall should not effect on Language Power Lock Settings or Input Priority ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 48 ...

Страница 49: ...ted by pressing the front panel control buttons 1 again for 10 seconds 3 1 The OSD Lock message as below Range 0 to 10 2 The OSD Locked message as below 3 The OSD Unlock message as below Range 0 to 10 4 When the OSD is locked will lock all functions including Volume Mute and others 5 Status bar indicating OSD Lock or Unlock is in progress and when complete will indicate OSD Locked or OSD Unlocked ...

Страница 50: ...ould automatically turn back On when power is restored after a power failure If the power button is not in the locked mode then power should return to it s previous state when power is restored after a power failure The Power lock will be deactivated by pressing the front panel control buttons 1 again for 10 seconds 3 1 The Locking Power Button message as below Range 0 to 10 2 The Power Button Loc...

Страница 51: ...SD appears 1 second when power turns on or change input signal 2 The Input Signal Notice OSD position is on the right top side of image 3 The OSD message as below 5 1 5 Resolution Notice Actions 1 Resolution Notice OSD should show on screen after changing to non native mode for 30 sec ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 51 ...

Страница 52: ...x1080 will be replaced by actual panel resolution 5 1 6 0 Touch Function Actions 1 Execute Auto Image Adjust when new mode detected and save the settings to buffer for further use 2 It should be reset by Memory Recall function Should not reset by power off power unplug and others 5 1 7 OSD Auto Save The OSD shall save new settings when it is turned off by the user or when it times out There shall ...

Страница 53: ...nt 2 If the timing is inspect but not defined the image shall be non blanking 5 1 9 No signal While no signal is detected the following OSD message shall shows on 3 seconds then go in to power saving OSD Background Non transparent Image Blanking ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 53 ...

Страница 54: ... Step 3 Copy the bin format file for example VX2739WM_252 bin to a folder of the computer from the CD Step 4 Double click the ISP Tool with the CD as the following icon to open the ISP tool Step 5 The outline of isp tool Step 6 Click on the Connect icon A pop menu will show up Press the OK button ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 54 ...

Страница 55: ...Click on the Read icon Press the Read button and select the bin file which is copied to the folder of the computer Press the open button ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 55 ...

Страница 56: ...Step 8 Click on the Auto icon and press the Run button Step 9 Flash is running ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 56 ...

Страница 57: ...ts of various Parts This chapter describes the procedures for the complete parts disassembly In addition in between procedures the detailed disassembly procedure of individual parts will be provided for your service needs The disassembly procedure consists of the following steps 1 Base Cover 2 LED Board 3 Front Cover 4 Keypad 5 PSU Board 6 Main Board ViewSonic Corporation VX2739wm 1 VX2739wm CN CO...

Страница 58: ...7 Speakers Base Cover 1 Remove 4 screws M4 13L X that fixing on the neck 2 Push down the Base and remove it ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 58 ...

Страница 59: ...3 Remove the 1 screw to unplug the stand neck 4 Remove the 4 screws to take off the Hinge ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 59 ...

Страница 60: ...5 Then remove the screws 6 Take off the Rear Cover carefully ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 60 ...

Страница 61: ...d 1 Take off the 4 tapes on the LVDS wire and Keypad wire 2 Unplug the power wire and keypad wire 3 Remove the 2 screws on the LED board ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 61 ...

Страница 62: ...he LED board wire and take off the LED board Front Cover 1 Take off the Shielding from the Panel 2 Take off the Front Cover from the Panel ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 62 ...

Страница 63: ...Keypad Take off the Keypad from the Front Cover PSU Board 1 Remove 4 screws on the Shielding ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 63 ...

Страница 64: ...2 Unplug the power cable from the PSU board 3 Remove the 4 screws and take off the PSU board ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 64 ...

Страница 65: ...nBoard 1 Remove 4 screws that fixing on the MainBoard 3 Disconnect the LVDS and Keypad Cable from MainBoard and remove the MainBoard ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 65 ...

Страница 66: ...Speaker 1 Remove the 4 screws of the Speaker 2 Disconnect the Speaker cable on the shielding and remove the Speakers ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 66 ...

Страница 67: ...ng 3 White screen appears after booting Can not boot Check AC power whether is OK Replacement the AC Power Supply Equipment Disassembles the system to remove the PSU and supplies the power directly Replace the PSU and Test The nondefective Replacement MB and OK NG OK NG ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 67 ...

Страница 68: ...hine to test Test LVDS cable Replace PSU test Replace MB test Replace PANEL test Disassembles LCD cover check LVDS cable at its place Rearrange LVDS cable assembly machine to test The nondefective PASS NG FAIL FAIL FAIL FAIL PASS PASS PASS PASS PASS ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 68 ...

Страница 69: ...Abnormal sound 1 No sound 2 Abnormal sound 3 TV mode with noise 4 Intermittent sound ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 69 ...

Страница 70: ...ine to test Replace Speaker cable and test Replace Speaker test Replace MB test Disassembles LCD cover check speaker cable The nondefective PASS FAIL FAIL FAIL PASS PASS PASS PASS NG ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 70 ...

Страница 71: ... Is Key Pad Board connecting normally Is Button Switch normally Check Main Board Connect Key Pad Board Replace Button Switch Is Key Pad Board Normally Replace Key Pad Board Y Y Y Y N N N ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 71 ...

Страница 72: ...ower light does not bright Replace new IR cable and test Disassemble the LCD cover and check the IR cable Replace IR board and test Replace MB and test The nondefective FAIL NG FAIL FAIL PASS PASS PASS PASS ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 72 ...

Страница 73: ...7 Block Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 73 ...

Страница 74: ...8 Schematic Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 74 ...

Страница 75: ...ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 75 ...

Страница 76: ...ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 76 ...

Страница 77: ...9 PCB Layout Diagrams ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 77 ...

Страница 78: ...10 Exploded Diagram and Exploded Parts List ViewSonic Corporation VX2739wm 1 VX2739wm CN CONFIDENTIAL DO NOT COPY 78 ...

Страница 79: ... 2 4 15 HW 00009271 131A 007G000 SCREW M4 6L W W NI 1 16 HW 00009275 1302 00EW000 STAND OFF 4 40 7 5 W NI 1 17 HW 00009273 131C 006C000 SCREW M3 8L X W NI 1 18 NA 13EB 1BU0101 EB1B VX2439 HAND SCREW M4 13L 1 19 NA 13EB 1BQ0801 EB1B VX2739 STAND RING 1 20 NA 13EB 1CN0301 EB1C VX2739 LOGO PLATE 1 21 PL 00008860 13EB 1CB0401 EB1C VX2739 STAND NECK ASSY 1 22 C 00010202 13EB 1CB0501 EB1C VX2739 STAND B...

Страница 80: ...1 16 NA 1517 000Q000 ZIP BAG FOR VIEWSONIC 1 17 NA 1506 0C1Q000 INSTALATION QUIDE ENG VX2439WM 1 18 DC 00010334 1509 02GW000 CD ML VX2739WM 1 21 CB 00009408 1417 003E000 AUDIO CBL 3 5 STEREO PLUG BOTH 1 22 A 00008737 1411 00EX000 AC POWER CORD UL CSA 3P 3C 1 23 CB 00009409 1401 00DB000 VGA CABLE HDB M TO HDB M 15P 1 24 CB 00009410 1401 00DE000 DVI M TO DVI M 18 1P L 1 8M 1 25 CB 00009411 1401 00DC...

Страница 81: ...1 Screw SCREW M3 6 0 X W NI 2 HW 00009269 131A 007U000 Main Source 32 Screw SCREW M3 4 6L X W NI 2 HW 00009270 131A 00JG000 Main Source 33 Screw SCREW M4 6L W W NI HW 00009271 131A 007G000 Main Source 34 Screw SCREW M4 10 B B ZN 2 HW 00009272 131C 000R000 Main Source 35 Screw SCREW M3 8L X W NI HW 00009273 131C 006C000 Main Source 36 Screw EB1C SCREW M4 10L F B ZN 2 HW 00009274 13EB 1CU0101 Main S...

Страница 82: ...1C VX2739 HINGE BKT 1 27 HW 00009267 13EB 1CN0101 EB1C VX2739 HINGE 1 28 PL 00008860 13EB 1CB0401 EB1C VX2739 STAND NECK ASSY 1 29 NA 13EB 1CQ0601 EB1C VX2739 STAND NECK 1 30 NA 13EB 1CQ0801 EB1C VX2739 NECK RING 1 31 HW 00009269 131A 007U000 SCREW M3 6 0 X W NI 2 10 32 HW 00009270 131A 00JG000 SCREW M3 4 6L X W NI 2 4 33 HW 00009271 131A 007G000 SCREW M4 6L W W NI 1 34 HW 00009272 131C 000R000 SC...

Страница 83: ...N QUIDE ENG 1 66 DC 00010334 1509 02GW000 CD ML VX2739WM 1 67 NA 1534 005C000 CORNER PAD FOR P5M2 M C XBN S 1 68 NA 1524 00V5000 CORNER PAD FOR INFINITY 1 69 CB 00009408 1417 003E000 AUDIO CBL 3 5 STEREO PLUG BOTH 1 70 A 00008737 1411 00EX000 AC POWER CORD UL CSA 3P 3C 1 71 CB 00009409 1401 00DB000 VGA CABLE HDB M TO HDB M 15P 1 72 CB 00009410 1401 00DE000 DVI M TO DVI M 18 1P L 1 8M 1 73 CB 00009...

Страница 84: ...art 7 Block Diagrams 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded Diagram and Exploded Parts List 11 Recommended Spare Parts List B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content 2 Service Manual Layout 3 The form and listing C Do you have any other opinions or suggestions regarding this service manual Reader s basic dada Name Title Compa...

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