Vivitek DH268 Service Manual Download Page 31

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Note

：

how to test 380V output

：

Using the multimeter test the voltage between the lamp wire pins which port connect the AIO POWER TO LAMP, when

another port connect the AIO POWER board.

Fail to light up

Refer to LED
indicator and
follow indicative
actions

Replace

Lamp Module

Replace

Main board

Replace AIO

Power board

Check

Main board

Check

Lamp

Check LED

indication

Check Power

board 380V output

Replace

Color Wheel

Check CW

Rotation while

power on

Summary of Contents for DH268

Page 1: ...DS262 DX263 DW265 DH268 DX281 ST DW282 ST Projector Service Manual Version A Date 2017 07 06 ...

Page 2: ...Update History Date of issue Published by Version Desc 2017 07 06 liyang A New version released ...

Page 3: ...ore replacing the cabinet cover thoroughly inspect the inside of the cabinet to see that no stray parts or tools have been left inside Before returning any projector to the customer the service personnel must be sure it is completely safe to operate without danger of electric shock PRODUCT SAFETY NOTICE Product safety should be considered when a component replacement is made in any area of the pro...

Page 4: ...ROCEDURE 32 4 1 SIGNAL TEST EACH I O CAN FUNCTION NORMALLY 32 4 2 OPERATION TEST 32 4 3 IMAGE QUALITY INSPECTION 34 4 4 RESOLUTION 38 4 5 FRONT INFRARED SENSOR 38 4 6 SAFETY TEST EQUIPMENTS 38 4 7 HOW TO ENTER FACTORY MODE 39 4 8 COLOR WHEEL INDEX ADJUST 40 4 9 ADC CALIBRATION PROCEDURE 41 4 10 HOW TO RESET LAMP HOURS 42 CHAPTER 5 FIRMWARE UPGRADE 43 5 1 SETUP TOOL EQUIPMENT 43 5 2 UPGRADING PROCE...

Page 5: ...3 APPENDIX C 63 RS232 CODE TABLE 63 APPENDIX D 67 CEILING MOUNT DRAWING 67 ...

Page 6: ...4 Chapter1 Introduction 1 1 Technical Specification ...

Page 7: ...eration the lamp is under extremely high pressure Please manage provision at the customer s product to prevent fragments of bulb and mercury from flowing out of it If the lamp bursts in case of an emergency the sound will be occurred Lamp operation should be with the specified lamp driver and the system only Do not look at the lamp directly during operations Do not expose your skin directly We rec...

Page 8: ...ompatibility Modes 1 VGA Analog Supported timing for PC input The timings showing above may not be supported due to EDID file and VGA graphic card limitations It is possible that some timings cannot be chosen ...

Page 9: ...7 Supported timing for Component YPbPr input 2 HDMI Digital Supported timing for PC input ...

Page 10: ...showing above may not be supported due to EDID file and VGA graphic card limitations It is possible that some timings cannot be chosen Supported timing for video input 3 Video S Video Supported timing for Video input ...

Page 11: ...9 1 3 Product Overview Front Top side DS262 DX263 DW265 DH268 DX281 ST DW282 ST ...

Page 12: ...ster foot 2 Front adjuster foot 7 Zoom ring 3 Projection lens 8 Focus ring 4 Front IR remote control sensor 9 Control panel 5 Ventilation holes 10 Lamp cover Rear side Description Description 1 AC power socket 2 Connection ports 3 Kensington anti theft lock slot ...

Page 13: ...n to mount the projector on a ceiling 3 When installing the unit incorporate a readily accessible disconnect device in the fixed wiring or connect the power plug to an easily accessible socket outlet near the unit If a fault should occur during operation of the unit operate the disconnect device to switch the power supply off or disconnect the power plug Ceiling mount screws M4 x 8 Max L 8 mm Unit...

Page 14: ...4 WAY KEY Navigates and changes settings in the OSD 6 ECO BLANK Makes the screen blank 7 AUTO Auto adjustment phase h size position 8 MENU Opens the OSD 9 BACK Goes back to previous OSD menu 10 OK Changes settings in the OSD 11 LAMP Lamp LED indicator Refers to LED Indicator Messages 12 TEMP Temp LED indicator Refers to LED Indicator Messages 13 POWER Power LED indicator Refers to LED Indicator Me...

Page 15: ...t to this jack 4 S VIDEO Connect S Video output from video equipment to this jack 5 HDMI 1 HDMI 2 Connect HDMI output from video equipment or computer to this jack 6 AUDIO IN Connect an audio output from video equipment or computer to this jack 7 AUDIO OUT Connect to a speaker or other audio input equipment 8 VIDEO Connect composite video output from video equipment to this jack 9 MONITOR OUT Conn...

Page 16: ...14 1 4 System Block Diagram For DS262 DX263 DW265 DX281 ST DW282 ST ...

Page 17: ...15 For DH268 ...

Page 18: ...seful for your detecting the defective boards A Main Board Connector Description No 1 Connect to LFET FAN No 2 Connect to IR No 3 Connect to Color Wheel control No 4 Connect to Color Wheel FFC No 5 Connect to TUBRO FAN No 6 Connect to TEMPERATURE CONTROL WIRE No 7 Connect to RIGHT FAN No 04 No 03 No 02 No 01 No 05 No 07 No 06 ...

Page 19: ...17 B The back side of Main Board Connector Description No 1 Connect to SPEAKER No 2 Connect to AIO POWER BOARD No 3 Connect to DMD BOARD No 02 No 03 No 01 ...

Page 20: ...18 C AIO Power Board Connector Description No 1 AC power socket No 2 Connected to Main board No 3 Connected to Main Board No 3 No 2 No 1 No 4 ...

Page 21: ...19 Chapter 2 Machine Disassembly 2 1 Tools Item Photo Long Nose Nipper Hex Sleeves 5mm Screw Bit 107 Screw Bit 101 Screw Bit 102 Anti static wrist strap Anti static wrist gloves ...

Page 22: ...or unscrewing screws please keep the screwdriver straight Keeping screwdriver inclined will damage the screw holes Please turn off the power before replacing any parts Please wait for the projector lamp cooling down and turn off the power before changing it Never touch or hit the lamp module when replacing the lamp When you replace the projector lamp never touch the new lamp with your bare hands T...

Page 23: ...isconnect the power cord If the lamp is hot please do not start any procedure until the projector lamp cools down 2 Rotate the zoom ring from left to right make the lens back down 3 1 Flip the projector on the table 2 Remove the screws 7 on the Bottom cover as shown SCREW J1635 3670 01 ...

Page 24: ...he screw on Lamp cover as shown 5 Remove the lamp cover 6 1 Disconnect lamp cable 2 Loosen the screws on lamp then pull out the lamp 3 Remove the screw on top cover as shown SCREW J1635 B587 00 SCREW J1635 3670 01 SCREW SCREW J1635 3670 01 ...

Page 25: ...in Board 2 Disconnect all wires gently Don t ignore the connector of back 3 Remove the two fan modules and the Main Board 4 Remove the screw on speaker then take out the speaker 5 Take out the IR board SCREW P0P35 2500 00 SCREW P2535 7300 00 SCREW J1635 B854 00 SCREW J1635 3670 01 SCREW J1635 3670 01 SCREW PHA35 3720 0A ...

Page 26: ...Figure Description 10 1 Unscrew three screws on the optical engine 2 Take out the Optical Engine module gently 11 1 Unscrew all screws on the AIO POWER BOARD 2 Remove it SCREW J1635 3670 01 SCREW J1635 3622 0A ...

Page 27: ... the screws on DMD Board 2 Remove the heat sink and DMD Board 19 Move the screw to the other side then pick up the DMD gently ot20 Loosen the two screws then remove the color wheel SCREW J1635 D564 00 SCREW J1635 D570 00 Heat sink DMD BOARD ...

Page 28: ...26 Step Figure Description 23 DS262 DX263 DW265 DH268 J1635 D566 00 DX281 ST DW282 ST J1635 D578 00 1 Loosen the four screws on the projector lens 2 Remove the projector lens SCREW ...

Page 29: ...Do not directly look into the lens to avoid eyesight damages The projector is equipped with ventilation holes intake and ventilation holes exhaust Do not block or place anything near these slots or internal heat build up may occur causing picture degradation or damage to the projector Confirm Software and hardware 1 Confirm lamp using hours 2 Confirm LED indicator The Status Indicator Panel on top...

Page 30: ...o correct a particular failure Whatever main board ballast IR board power board lamp module or optical engine are all suitable to check by swapping modules 3 2 Main Procedure Power Source Troubleshooting No Power Source after turning on Replug AC socket Replace AIO power board OK OK NG NG Check 9 pin Power output Check AC socket connection Replace main board Fan failure after turning on Reconnect ...

Page 31: ... when another port connect the AIO POWER board Fail to light up Refer to LED indicator and follow indicative actions Replace Lamp Module Replace Main board Replace AIO Power board OK OK OK OK NG NG NG NG NG Check Main board Check Lamp Check LED indication Check Power board 380V output Replace Color Wheel Check CW Rotation while power on ...

Page 32: ...No Signal Turn on Source Replace Cable Replace Main board OK OK NG NG NG Check Cable Check Source Check monitor out signal Video No Signal Turn on Source Replace Cable Replace Main board NG NG NG OK OK Check Cable Check Source Check Main board ...

Page 33: ... Engine Check input cable and signal setting Power on again and reset OSD Check Main board Color abnormal Adjust Input signal Adjust Color Wheel Index Replace Main board NG NG NG OK OK Check Main board Check Color Wheel Index Check input cable and signal setting Replace Optical Engine OK NG Check Optical Engine ...

Page 34: ...GA 800 x 600 60Hz XGA 1024 x 768 60Hz I O port HDMI Test Equipment HDMI source device DVD player I O port Video Test Equipment Standard Pattern generator Ex Quantum data or DVD player Signal format NTSC I O port Audio Test Equipment Connect audio input to audio output of DVD player Signal format NTSC I O port RS232 Test Equipment Connect PC 4 2 Operation test Buttons operation Button description T...

Page 35: ...e adjustments ECO BLANK 1 Mechanical motion Up Down should be free from getting stuck when pressing the button 2 Press ECO BLANK button makes the screen blank AUTO 1 Mechanical motion Up Down should be free from getting stuck when pressing the button 2 Press AUTO button can auto adjustment phase h size position SOURCE 1 Mechanical motion Up Down should be free from getting stuck when pressing the ...

Page 36: ... data Signal format SVGA 800 x 600 XGA 1024 x 768 WXGA 1280 800 1080P 1920 1080 Projected image size 60 in diagonal length TOP SMPTE133 Use to confirm overall image quality Verify there is no noise tint in the gray background duplicated columns or other general image abnormalities No twinkling pixels allowed Verify the 5 box is visible within the black square Verify the 95 box is visible within th...

Page 37: ...is smooth and consistent Verify there are no missing parts vertical black bars of any ramp due to stuck bits Verify there are no light or faded areas in ramps BLUE 60 Use for dark blemish and ghost inspection Confirm there are no more than four blemishes darker than Blue 60 No blemish greater than one inch or 2 54cm in length diameter is allowed Confirm there is no ghosting No ghosting is allowed ...

Page 38: ...t pixels brighter than Gray10 Confirm there are no flickering pixels No more than one bright pixel is allowed in the Pond of Mirrors WHITE Use for lumens and uniformity measurements banding adjustment and inspection of dark stuck OFF pixels minor blemishes Confirm there are no more than six total of light and dark blemishes Confirm no blemish is greater than five inches in length diameter Confirm ...

Page 39: ...st focus to achieve best overall focus Verify all icons have clear resolution and white space can be seen between the green lines Zoom to full Tele small image and verify all icons have clear resolution and white space can be seen between the green lines HDMI I O port HDMI Test Equipment HDMI source device standard Pattern generator or DVD player Criteria No apparent color deviation on the project...

Page 40: ...jected image 6 Adjust focus ring to make resolution of 4 corners and center are balanced 7 Check the characters should be recognized easily 4 5 Front infrared sensor Device Front infrared Test Equipment Remote controller Test method and Criteria Operate remote controller to test front sensor is normal 4 6 Safety test equipments Test items Safety test Test Equipment Safety analyzer Test method 1 Cl...

Page 41: ...ause damage to the projector 1 Press Menu button to open the Main menu 2 Move the highlight bar to SYSTEM SETUP Advanced item 3 Press the DOWN into the selected sub Menu 4 Move down the highlight bar to Reset All Settings item 5 Press below keys in order will into the Engineering Menu Right once Left twice Right three times Left four times ...

Page 42: ...ghlight bar to the CW index delay 2 Press the button Right or Left with Remote control to adjust the value of CW Index 3 Notice the changing of color till the RGB colors are distinguishable NOTE 1 The CW Index of each CW is not all the same 2 Adjusting the CW Index till the R G B colors are distinguishable will be fine ...

Page 43: ...0 600 XGA 1024 768 WXGA 1280 800 1080P 1920 1080 Test Image Step2 Enter the Factory Mode Step 3 1 Move the highlight bar to the ADC Calibration 2 Press the Enter button to execute ADC Calibration The image will flash and then come back to search signal screen ...

Page 44: ...e the highlight bar to Lamp Setting Press Enter into the selected sub Menu 3 Move down the highlight bar to Reset lamp timer item and press Enter 4 A warning message displays asking if you want to reset the lamp timer Highlight Reset and press Enter The lamp time will be reset to 0 ...

Page 45: ...re upgrade procedures During firmware download period please do not shut down PC or projector this will cause flash memory s damage And need to return the unit to manufacturer for flash memory recovery 5 1 Setup Tool Equipment Computer Power Cord USB Cable 5 2 Upgrading Procedure 1 Upgrading the Firmware on the Unit To update the firmware on your projector you first need to install the Firmware Up...

Page 46: ...44 Verify you have opened the DPL Composer then click Next Once you have read the License Agreement and agree select the I Agree radio button then click Next ...

Page 47: ...45 In the box of Readme Information after read click Next Select which features you would like to install and then click Next ...

Page 48: ...46 Click Next to begin installation You ll see a progress bar as the DLP Composer is installed ...

Page 49: ...47 Once the installation is complete select Finish The DLP Composer Icon will appear on desktop of WindowsTM after successful installation 2 Upgrade the firmware on the projector ...

Page 50: ...tor to be returned for service Firmware upgrade procedure 1 Copy FlashDeviceParameters txt into C Program Files DLP Composer Lite 11 0 2 2 Close the Composer execute Install DLP Device Drivers Please click the Install DLP Device Drivers as below graphic to install USB Driver 3 After launch DLP Device Drivers installer please select Microsoft WinUsb when the operating system is Windows 7 as graphic...

Page 51: ...49 On Windows XP 4 In Windows XP select install and then click next ...

Page 52: ...50 5 Select Y 6 Finish DLP Device Driver installation then click 完成 7 double click the DLP Composer TM Lite 11 0 2 ...

Page 53: ...munications then set Projector Interface USB make sure USB Device Identification Vendor is 0x451 and Product code is 0x2000 8 Open the DLP Composer TM Lite 11 0 2 execute 8 1 8 7 8 1 Choice Flash Loader 8 2 Flash Image File choice D XXX img ...

Page 54: ...ds the power LED will become red light and TEMP LAMP LED red flash light that indicates the unit is in the download mode at this moment you can release Power button 8 6 Click Reset Bus firstly to check if USB connects well 8 7 Press Start Download to begin upgraded 9 When the update is complete click Yes 10 Disconnect the USB cable 11 Disconnect the projector s AC power cable then reconnect it 1 2...

Page 55: ...53 Appendix A I Exploded Overview ...

Page 56: ...wrist straps and grounded work surfaces Failure to do this can destroy static sensitive components and make the product inoperable RESOLUTION VVK MODEL FOXCONN MODEL SVGA DS262 VTPD S51B0 XGA DX263 VTPD X51B0 WXGA DW265 VTPD W61B0 1080P DH268 VTPD W61B1 XGA ST DX281 ST VTPD X51BM WXGA ST DW282 ST VTPD W61BM FOXCONN PART NO PARTNAME Photo DS262 DX263 DW265 DH268 DX281 ST DW282 ST J8947 0395 00 Proj...

Page 57: ... POWER BOARD FOR DS262 PKN84 9000 AIO POWER BOARD FOR DX263 PKP84 9000 AIO POWER BOARD FOR DW265 PKQ84 9000 AIO POWER BOARD FOR DH268 PKR84 9000 AIO POWER BOARD FOR DX281 ST PKS84 9000 AIO POWER BOARD FOR DW282 ST PKM84 7600 DMD BOARD FOR SVGA XGA WXGA PKQ84 7600 DMD BOARD FOR 1080P PKM84 7500 IR BOARD FOR SVGA VGA WXGA ...

Page 58: ... CORD FOR CN J2552 0066 02 POWER CORD FOR EU ROW J2552 0063 03 POWER CORD FOR US TW 02552 0293 00 VGA CORD J2595 1002 00 FIR TO MB J2595 1003 00 AIO POWER TO MB J2595 0822 00 AIO POWER TO MB J2595 1000 00 CW SENSOR TO MB 02595 0730 00 THERMAL SWITCH J2595 3003 00 AIO POWER TO LAMP ...

Page 59: ... COVER PHA34 4660 00 ZOOM RING FOR SVGA XGA WXGA PFR34 4510 00 ZOOM RING FOR 1080P PHA34 4650 00 FOCUS RING FOR SVGA XGA WXGA PFR34 4500 00 FOCUS RING FOR 1080P PKR34 4540 00 FOCUS RING FOR ST PKM84 2200 OPTICAL ENGINE BODY PKN84 2200 OPTICAL ENGINE BODY PKP84 2200 OPTICAL ENGINE BODY ...

Page 60: ...KS84 2200 OPTICAL ENGINE BODY PFD84 2700 DMD CHIP FOR SVGA PHS84 2700 DMD CHIP FOR XGA PHT84 2700 DMD CHIP FOR WXGA PHU84 2700 DMD CHIP FOR 1080P PKM84 6200 LENS FOR B0 PKQ84 6200 LENS FOR B1 PKR84 6200 LENS FOR BM PKM84 2600 COLOR WHEEL MODULE PKM84 2400 LAMP MODULE ...

Page 61: ...M84 2302 TURBO FAN PKM84 0080 SPEAKER PHA34 4580 00 FRONT FOOT SCREW PHA34 4590 00 BACK FOOT SCREW PHA38 1520 00 IO SHEET J4039 R157 01 PE BAG FOR QSG J4039 0018 02 EPE BAG FOR PROJECTOR PKM39 7000 00 EPE L PKM39 7001 00 EPE R PKM39 A000 0 0 CD ROM ...

Page 62: ...60 PKM39 4000 00 QSG PKM39 6000 00 OUTER CARTON ...

Page 63: ...5 35 0001 F FOXCONN DS262 Part Number 5 Date Code Year EX 2015 5 2016 6 35 Date Code week EX the thirty five week of the year 35 0001 Serial Numbers EX FKM2305350001 This label represents the serial number for DS262 It is produced at FOXCONN on thirty five week of 2015 Its serial code is 0001 ...

Page 64: ... Version Code C Date Code Year EX 2012 C 2014 E 2015 F 11 Date Code month and day EX 1 1 11 10 12 AC 00001 Serial Numbers A0 PCBA Version Code EX PKMAFAL00001A0 This label represents the serial number for DS262 PCBA It is produced on 10 21 2015 Its F W Version is A Its serial code is 00001 The PCBA Version is A ...

Page 65: ...uter and projector are turned off before connection Power on the computer first and then plug the power cord of the projector It may cause Com port incorrect function if you do not follow this instruction Adapters may be necessary depending on the PC connected to this projector Please contact with your dealer for further details 2 RS232 Setting ...

Page 66: ...64 ...

Page 67: ...65 ...

Page 68: ...66 ...

Page 69: ...67 Appendix D Ceiling Mount Drawing Ceiling mount screws M4 x 8 Max L 8mm Unit mm ...

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