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5 Adjustment / Alignment Procedure

5.1

Color Wheel Index Adjustment

(1) Open the image of 256-level RGB.

(2) Enter the engineering Mode, and then move down the color bar to “CW Index” item.

(3) Press the button (right or left) to adjust the value of CW Index.
(4) Notice the changing of color till the RGB colors are distinguishable.

NOTE:

1. The CW Index of each CW is not a ll the same.
2. Adjusting the CW Index till the R, G, B colors are distinguishable will be fine.

Confidential - Do Not Copy

ViewSonic Corporation

Pro8400

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Summary of Contents for Pro8400 Series VS13647

Page 1: ...ViewSonic Pro8400 Model No VS13647 DLP Projector Pro8400 SM Rev 1a Feb 2011 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583 Service Manual ...

Page 2: ...isclaims 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 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 View...

Page 3: ...ng and Verifying the Repair 25 4 1 Troubleshooting 25 4 2 Verifying the Repair 32 5 Adjustment Alignment Procedure 38 5 1 Color Wheel Index Adjustment 38 5 2 ADC Calibration 39 5 3 Keystone Adjustment 41 6 Connector Information 42 6 1 Main Board 42 6 2 The backside of Main Board 42 6 3 Ballast Board 43 6 4 Power Board 44 7 FRU Field Replaceable Unit List 45 7 1 Mechanical Drawing 46 7 2 Packing dr...

Page 4: ...1 System Introduction 1 1 Technical Specification Confidential Do Not Copy ViewSonic Corporation Pro8400 1 ...

Page 5: ...cap 8 Filter cover 2 Elevator button 9 Speaker 3 Elevator foot 10 Focus ring 4 Lens cap strap 11 Zoom ring 5 Projection lens 12 Control panel 6 Front IR remote control sensor 13 Lamp cover 7 Ventilation holes intake Real View Confidential Do Not Copy ViewSonic Corporation Pro8400 2 ...

Page 6: ...ower socket 3 Kensington lock 4 Rear IR remote control sensor 5 Speaker 6 Ventilation holes exhaust Bottom View 1 Ceiling mount M4 8 2 Tilt adjustment feet 3 Security bar Confidential Do Not Copy ViewSonic Corporation Pro8400 3 ...

Page 7: ... an angled projection 5 Four directional buttons Use four directional buttons to select items or make adjustments to your selection 6 ENTER Enter to sub menu and confirm the menu selection 7 SOURCE Display the source selection bar 8 MENU EXIT Display or exit the on screen display menus 9 Power Turn the projector on or off 10 Right Panel key Activate panel key lock Confidential Do Not Copy ViewSoni...

Page 8: ...ct S Video output from video equipment to this jack 5 USB B USB display supports computer connection via USB mini B type to A type cable 6 USB A This connector supports firmware update USB flash drive display and wireless dongle for USB display 7 LAN For LAN display network control and web server 8 HDMI 1 Connect HDMI output from video equipment to this jack 9 HDMI 2 Connect HDMI output from video...

Page 9: ... audio output from video equipment or computer to this jack 15 Audio 3 L R Connect an audio output from video equipment to this jack 16 Video Connect composite video output from video equipment to this jack 17 Computer in 2 Connect image input signal analog RGB or component to this jack 18 Computer in 1 Connect image input signal analog RGB or component to this jack Confidential Do Not Copy ViewSo...

Page 10: ...D Remote Control Confidential Do Not Copy ViewSonic Corporation Pro8400 7 ...

Page 11: ...Confidential Do Not Copy ViewSonic Corporation Pro8400 8 ...

Page 12: ...t Wattage max 308W 280W lamp wattage Input Wattage standby operation 1 7W typical 2 5W max Output Wattage nominal 280W 3 4 DIM mode 230W 3 4 controlled by UART 230W 280W in step with of 1 128 of nominal power Output current limitation 4 6A RMS 5 Ignition pulse typ 2 5kVpeak symm 2 1 3 5 kVpeak Ignition Phase Duration typ 3 5s max 6 s Enable Disable Enable Cycle 15 s minimum Acoustic sound pressure...

Page 13: ...r Please manage provision at the customer s product Do not pull the lead wire and plug by more than 24 5N Please be careful of handling the lamp because it is made of glass Please notice for keeping or handling the lamp because there is a projection of this lamp with reflector ahead Do not touch the bulb and the mirror area of the reflector Attention for use Do not close or cover the lamp with any...

Page 14: ... operation ventilate the area sufficiently to avoid inhaling harmful mercury fumes Use the lead below 200 C to prevent a deterioration of cladding clad of the fluorocarbon resin The lead wire insulation clad shouldn t touch the reflector Exchange the lamp that has already passed the life time immediately Confidential Do Not Copy ViewSonic Corporation Pro8400 11 ...

Page 15: ...1 4 Pro8400 System Block Diagram Confidential Do Not Copy ViewSonic Corporation Pro8400 12 ...

Page 16: ...er supply to switch projector on 2 Insert the USB Disk into the projector copy the upgrading F W document into it firstly 3 Enter the engineering mode 4 Press Menu to exit 5 Select the next item of Language to enter the upgrading mode Language is a hiding item that can be seen only after entering the engineering mode and then exit successfully 6 Press button to select USB Upgrader and then press r...

Page 17: ...ly and Replacement 3 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 Confidential Do Not Copy ViewSonic Corporation Pro8400 14 ...

Page 18: ...eep 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 The invisible residue left by ...

Page 19: ...t any procedure until the projector lamp cools down Flip the projector and remove the lens cover 2 1 Flip the projector on the table 2 Remove the screws J1635 A010 0A 8 on the Bottom cover as shown 3 Rotate the Focus Ring by forward sequence to take it off from the unit J1635 A010 0A 8 Confidential Do Not Copy ViewSonic Corporation Pro8400 16 ...

Page 20: ...ce of the lens To avoid scratching it would better paste some film on it for protection before raising the Top Cover 5 1 Remove four screws to lift up the keypad board 6 1 Remove all screws as shown to remove the IO cover FFC Cable J1635 3720 0A 4 J1635 C230 00 4 J1635 A632 01 2 P0P35 2500 00 8 Confidential Do Not Copy ViewSonic Corporation Pro8400 17 ...

Page 21: ... the connector should be 2 Remove all wires Including the two fan modules 3 Remove two screws on the Main Board 4 Remove the Main Board 9 1 Remove three screws as shown 2 Remove the three wires on the audio board 3 Remove the audio board P2535 7300 0A 3 P2535 7300 0A 2 P2535 7300 0A 3 Confidential Do Not Copy ViewSonic Corporation Pro8400 18 ...

Page 22: ... screws as shown 2 Remove the metal sheet of Ballast Note Note 2 wires have been connected to Ballast Disconnect these 2 wires before remove the metal sheet J1635 3185 00 To Lamp To Power Board J1635 3623 0A J1635 D110 0A 2 Confidential Do Not Copy ViewSonic Corporation Pro8400 19 ...

Page 23: ...l engine 2 Remove the optical engine module carefully 14 1 Loosen all screws of the two speakers and then remove them away 2 Loosen the screws on the Power Board and then remove the Power module from Bottom Cover J1635 A491 0A 4 P2535 7300 0A 4 J1635 D420 0A J1635 2045 00 4 Confidential Do Not Copy ViewSonic Corporation Pro8400 20 ...

Page 24: ... are included in the Lamp module 16 1 Loosen the two screws on the OE Fan 2 Remove the Fan 3 Loosen the four screws on DMD Board 4 Remove the heat sink and DMD Board 17 Loosen one screw to remove the metal sheet J1635 3660 0A 2 P2535 7300 0A 4 P2535 7300 0A Confidential Do Not Copy ViewSonic Corporation Pro8400 21 ...

Page 25: ...rotective cover of color wheel 19 Loosen the two screws to remove the color wheel module gently 20 1 Loosen the two screws on the Zoom Ring 2 Remove the Zoom Ring J1635 3188 00 2 J1635 0780 0A 3 P5K35 0220 00 2 Confidential Do Not Copy ViewSonic Corporation Pro8400 22 ...

Page 26: ...tep Figure Description 1 Assemble Fan1 J2394 0143 01 and Fan2 J2394 0144 00 1 Paste the Fan Pad P4E38 1070 00 on the middle of it 2 Paste the Fan Sponge 4 P4G38 1180 00 on the top and bottom of it as picture shown P0335 7010 01 4 Fan Pad Fan1 Fan2 Fan Sponge 4 Confidential Do Not Copy ViewSonic Corporation Pro8400 23 ...

Page 27: ...Do not operate the lamp in proximity to paper cloth or other combustible material nor cover it with such materials 1 Turn off the projector 2 If the projector is installed in a ceiling mount remove it 3 Unplug the power cord 4 Loosen the screw in the side of the lamp cover and remove the cover 5 Remove the screws from the lamp module raise the handle an d lift out the module 6 Insert the new lamp ...

Page 28: ...d 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 FW version is the latest How to enter Engineering Mode Open the Main menu and move the color bar to Information item and then move down the color bar to Equivalent Lamp Hours item press the dir...

Page 29: ...nsible for the problem A failure symptom is rarely caused by more than one module so you will not usually need to replace more than one to 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 Confidential Do Not Copy ViewSonic Corporation Pro8400 26 ...

Page 30: ...ce main board OK OK OK OK NG NG NG NG Check 7 pin Power output Check Safety Switch Check AC socket and connector Check LED and keypad FFC Fan failure after turning on Reconnect fan Replace fan Replace Main board NG NG NG OK OK Check Main board Check Fan Check fan connection Check Fuse OK Replace fuse NG Confidential Do Not Copy ViewSonic Corporation Pro8400 27 ...

Page 31: ...K OK OK NG NG NG NG NG Check Main board Check Ballast Check Lamp life Check LED indication Check PWR 380V output Replace CW module NG Check CW Rotation while power on No Volume Replace Speaker Replace Audio board NG NG OK Check Audio board Check Speaker Check Main board Replace Main board NG OK Confidential Do Not Copy ViewSonic Corporation Pro8400 28 ...

Page 32: ...e Cable Replace Main board OK OK NG NG NG Check Output signal Check Cable Check Source Video No Signal Turn on Source Replace Cable NG NG NG OK OK Check Cable Check Source Check Main board Replace Main board Confidential Do Not Copy ViewSonic Corporation Pro8400 29 ...

Page 33: ...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 Confidential Do Not Copy ViewSonic Corporation Pro8400 30 ...

Page 34: ...e Control Replace IR Replace Main board OK OK OK NG NG NG NG Check Main board Check Remote Control Check Battery Level Check IR Button Failure Replace Keypad and FFC Replace Main board NG NG OK Check Main board Check Keypad and FFC Confidential Do Not Copy ViewSonic Corporation Pro8400 31 ...

Page 35: ...ector to the jacks one after the other to check whether each channel can project normally I O port Monitor In VGA Test Equipment Standard Pattern generator Ex Quantum data Signal format 1920 1080 60Hz I O port Video Test Equipment Standard Pattern generator Ex Quantum data or DVD player Signal format NTSC I O port S Video Test Equipment Standard Pattern generator or DVD player Signal format 480i I...

Page 36: ...g the button 2 Press power button and projector will switch on Menu 1 Mechanical motion Up Down should be free from getting stuck when pressing the button 2 Press Menu button can make projector function normally 4 way button 1 Mechanical motion Up Down should be free from getting stuck when pressing the 4 way button 2 Press 4 way button can be used to scroll through OSD On Screen Display menus and...

Page 37: ...zing 4 Image Quality Projected image size 60 inches diagonal length Zoom ring Adjust zoom ring to wide Maximum projection size VGA I O port Monitor In VGA Test Equipment Standard Pattern generator Ex Quantum data Signal format 1920 1080 60Hz Projected image size 60 in diagonal length Test Pattern Test criteria ANSI Brightness Apparent color strip bend and streak corner on the projected image are n...

Page 38: ...e should be distinguishable Scaled Text Resolution 1 Rotate Zoom ring to wide mode Maximum projected image 2 Fix projector to set diagonal length of projected image to 60 3 Adjust focus ring to make resolution of 4 corners and center are balanced 4 Check the characters should be recognized easily 5 Rotate Zoom ring to tele mode Minimum projected image 6 Adjust focus ring to make resolution of 4 co...

Page 39: ...a DVD player Criteria No apparent color deviation on the projected image HDMI I O port HDMI Test Equipment HDMI source device Signal format 1080p Criteria No apparent color deviation on the projected image nor abnormal voice 5 Resolution I O port VGA Test Equipment PC Test Method 1 Rotate Zoom ring to wide mode Maximum projected image 2 Fix projector to set diagonal length of projected image to 60...

Page 40: ...sor and operate remote controller to test rear sensor 2 Cover rear sensor and operate remote controller to test front sensor 7 Brightness measurements Test items Brightness measurements Test Equipment Chroma automatic system The alternative is CL 200 Test method Measure 9 points Criteria Marketing spec 20 off 8 Cosmetic standard for repaired projector Follow cosmetic standard for repair center Con...

Page 41: ... color bar to CW Index item 3 Press the button right or left to adjust the value of CW Index 4 Notice the changing of color till the RGB colors are distinguishable NOTE 1 The CW Index of each CW is not a ll the same 2 Adjusting the CW Index till the R G B colors are distinguishable will be fine Confidential Do Not Copy ViewSonic Corporation Pro8400 38 ...

Page 42: ...r to ADC Calibration item 3 Press right button to execute ADC Calibration C olor deviation is unacceptable If the screen blinks once and then back to search signal and at last search out the image of Gray16 this indicates the calibration is successful Confidential Do Not Copy ViewSonic Corporation Pro8400 39 ...

Page 43: ... Press right button to execute YPbPr Calibration Color deviation is unacceptable If the screen blinks once and then back to search signal and at last search out the image of SMPTEbar this indicates the calibration is successful Confidential Do Not Copy ViewSonic Corporation Pro8400 40 ...

Page 44: ...l platform adjust the projector foot to make platform level 2 And then enter the engineering mode and then move down the color bar to Keystone Cal item 3 Press right button to adjust Confidential Do Not Copy ViewSonic Corporation Pro8400 41 ...

Page 45: ...ion of each board They will be useful for your detecting the defective boards 6 1Main Board Connector Description No1 Connect to DMD Board 6 2The backside of Main Board No1 No2 No4 No6 No8 No9 No10 No11 No12 No3 No5 No7 No1 No13 No14 Confidential Do Not Copy ViewSonic Corporation Pro8400 42 ...

Page 46: ...8 Ignite signal connected to Ballast No 9 Thermal switch No 10 Main Board Power Supply No 11 FAN2 No 12 Safety switch No 13 Audio Board No 14 6 3Ballast Board Connector Description No 1 Lamp power supply No 2 Ignite signal connected to Main board No 3 High Voltage Power supply No1 No2 No3 Confidential Do Not Copy ViewSonic Corporation Pro8400 43 ...

Page 47: ...6 4Power Board Connector Description No 1 380V output for ballast No 2 12V 5V output for Main board and Audio board No1 No2 Confidential Do Not Copy ViewSonic Corporation Pro8400 44 ...

Page 48: ...f the entire projector which shows the primary FRUs in the projector When working on the projector use appropriate anti static precautions such as anti static mats wrist straps and grounded work surfaces Failure to do this can destroy static sensitive components and make the product inoperable Confidential Do Not Copy ViewSonic Corporation Pro8400 45 ...

Page 49: ... 5 Main Board 7 Audio Board 6 Lens Cover 8 Lamp Module 9 Optical Engine 10 Left Speaker 15 Right Speaker 14 Fan2 16 B IR Board 13 Lens Frame 12 F IR Board 11 Fan1 17 Ballast 18 Power Board 19 Bottom Cover 20 Rear Foot Confidential Do Not Copy ViewSonic Corporation Pro8400 46 ...

Page 50: ... Lamp Module 1 9 E 00010674 P7W84 2200 Optical Engine 1 10 E 00010441 J2413 0111 00 Left Speaker 1 11 M 00008759 J2394 0143 01 Fan1 1 12 B 00008158 P3747 5101 F IR Board 1 13 C 00010587 P7U34 4610 00 Lens Frame 1 14 M 00008760 J2394 0144 00 Fan2 1 15 E 00010440 J2413 0108 00 Right Speaker 1 16 B 00010719 P7U47 5101 B IR Board 1 17 B 00010720 P7U84 9000 Ballast 1 18 B 00010717 P7U84 8100 Power Boar...

Page 51: ...7 2 Packing drawing Confidential Do Not Copy ViewSonic Corporation Pro8400 48 ...

Page 52: ...Confidential Do Not Copy ViewSonic Corporation Pro8400 49 ...

Page 53: ... n a J4039 0082 00 BB BAG 1 8 P 00010782 P7U39 7004 00 EPE 1 9 n a P7U39 3000 00 POUCH 1 10 DC 00010799 P7W39 4000 00 QG 1 11 DC 00010800 P7W39 A000 00 CD 1 12 n a J2491 0008 02 BATTERIES 1 13 P 00008410 J4039 R157 01 PE BAG 1 14 P 00010781 P7U39 7003 00 EPE LEFT 1 15 P 00010780 P7U39 7002 00 EPE RIGHT 1 16 P 00010870 P7W39 6000 00 CARTON 1 17 n a J4238 5006 00 LB 1 PACKING PART LIST Pro8400 Confi...

Page 54: ...nd stains are not easily removed use a soft cloth damped with water or water and neutral detergent and wipe dry with a soft dry cloth Cleaning the Filter Cover The filter cover which is located at the side of the projector should be cleaned after every 100 hours of use If it is not cleaned periodically it can become clogged with dust and prevent the projector from being ventilated properly This ca...

Page 55: ...Appendix A RS 232 Command and Configuration Baud Rate 19200 Parity Bit none Data Bit 8 Stop Bit 1 Assign Port COM1 Confidential Do Not Copy ViewSonic Corporation Pro8400 52 ...

Page 56: ...Confidential Do Not Copy ViewSonic Corporation Pro8400 53 ...

Page 57: ...Appendix B IR Control Code Confidential Do Not Copy ViewSonic Corporation Pro8400 54 ...

Page 58: ... color bar to Information item 3 Move down the color bar to Equivalent Lamp Hours Reset item 4 Press enter button to enter sub menu 5 Press left button to select yes to reset Lamp Hours 6 Then the Lamp Hours would reset to 0 hours Confidential Do Not Copy ViewSonic Corporation Pro8400 55 ...

Page 59: ...ard CB 00009053 J2595 0325 00 43 Qucik Start Guide QSQG_VIEWSONIC_VPD W6002_GLOBAL_ROHS DC 00010799 P7W39 4000 00 44 User s Guide DVD RO CD ROM_VIEWSONIC_VPD W6002_GLOBAL_ROHS DC 00010800 P7W39 A000 00 45 Label Sticker CARTON LB_VIEW SONIC_PJ557D_GLOBAL_ROHS for China DC 00008672 P0N38 5013 00 46 Optical Engine OPTICAL ENGINE_SPARE PART_WITHOUT LAMP_VPD W6002_ROHS E 00010674 P7W84 2200 47 Color Wh...

Page 60: ... and Verifying the Repair 5 Adjustment Alignment Procedure 6 Connector Information B Are you satisfied with this Service Manual Item Excellent Good Fair Bad 1 Service Manual Content ʳ ʳ ʳ ʳ 2 Service Manual Layout ʳ ʳ ʳ ʳ 3 The form and listing ʳ ʳ ʳ ʳ C Do you have any other opinions or suggestions regarding this service manual Reader s basic dada Name ʳ Title ʳ Company ʳ Add ʳ Tel ʳ Fax ʳ E mail...

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