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.
Appendix A: RS-232 Command and Configuration ..............52 Appendix B: IR Control Code ..................... 54 Appendix C: How to reset the Lamp Hours ................55 Recommended Spare Parts List ..................56 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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1. Connection ports 2. AC power 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 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Enter to sub-menu and confirm the menu selecti on. 7. SOURCE Display the source selection bar . 8. MENU/EXIT Display or exit the on-screen display menus. Power Turn the projector on or off. Right/Panel key Activate panel key lock. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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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 equipment to this jack . ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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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 (analo g RGB or component) to this jack. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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D. Remote Control ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
EN ISO 3744; measured in steady state lamp operation Switch-off lamp voltage 140V Cooling method forced air cooling at 1.5 m/s minimum Thermal Protection Tc1 switch point 95 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Do not modify the lamp and never use a lamp tha t has been modified. Any unusual shock or vibration to the lamp should be avoided during operation. Do not use any broken lamps. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
7) After finding the FW document, move highlight bar to ” Start Upgrade”. 8) Press right button to start upgrade procedure. 9) When complete the procedure, projector will turn off automatically. Unplug the power cord. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
When you replace the projector lamp, never touch the new lamp with your bare hands. The invisible residue left by the oil on your hands may shorten the lamp life. Use lint-free gloves or finger cots are recommended. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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1. Flip the projector on the table. J1635-A010-0A*8 2. Remove the screws J1635-A010-0A*8 on the Bottom cover as shown. Rotate the Focus Ring by forward sequence to take it off from the unit. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Top Cover. 1. Remove four screws to lift up the keypad board. J1635-3720-0A *4 1. Remove all screws as shown P0P35-2500-00*8 J1635-A632-01*2 to remove the IO cover. J1635-C230-00*4 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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3. Remove two screws on the Main Board. 4. Remove the Main Board. 1. Remove three screws as shown. 2. Remove the three wires on the audio board. P2535-7300-0A*3 3. Remove the audio board. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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2. Remove the metal sheet of Ballast. J1635-D110-0A*2 Note Note: 2 wires have been connected to Ballast. Disconnect these 2 wires before remove the metal sheet. To Lamp To Power Board ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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1. Loosen all screws of the two speakers and then remove them away. J1635-2045-00*4 2. Loosen the screws on the Power Board and then remove P2535-7300-0A*4 the Power module from Bottom Cover. J1635-D420-0A ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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2. Remove the Fan. 3. Loosen the four screws on J1635-3660-0A *2 DMD Board. 4. Remove the heat sink and DMD Board. P2535-7300-0A *4 Loosen one screw to remove the metal sheet. P2535-7300-0A ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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J1635-0780-0A *3 Loosen the two screws to remove the color wheel module gently. P5K35-0220-00 *2 1. Loosen the two screws on the Zoom Ring. 2. Remove the Zoom Ring. J1635-3188-00 *2 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
Fan2 (J2394-0144-00 ): 1. Paste the Fan Pad (P4E38-1070-00) on the middle of it. 2. Paste the Fan Sponge*4 Fan Sponge*4 (P4G38-1180-00) on the top and bottom of it as picture shown. Fan Pad ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
7. Replace the lamp cover and tighten the screw. 8. Turn on the projector. If the lamp does not turn on after the warm-up period, try reinstalling the lamp. 9. Reset the lamp hour. Refer to the “Information” menu. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
“Equivalent Lamp Hours” item, press the direction key following the actions below: Right once, left twice, right once; then you will enter the Engineering Mode. ) Note: This FW version is just for reference. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Whatever main board, ballast, IR board, power board, lamp module or optical engine are all suitable to check by swapping modules. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Safety Switch Replace keypad Replace Check LED and Check and FFC Main board keypad FFC Main board Check Check 7 pin Fuse Power output Replace Replace Replace fuse main board power board ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Audio board Replace Replace Check Check PWR 380V Power board Main board Main board output Replace Check Ballast Ballast Replace Check Main board Main board Replace Check CW Rotation while power CW module ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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No Signal Turn on Turn on Check Check Source Source Source Source Replace Replace Check Check Cable Cable Cable Cable Replace Replace Check Check Main board Output signal Main board Main board ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Input signal Wheel Index Wheel Index setting Replace Replace Check Check Main board Main board Main board Main board Replace Replace Check Check Optical Engine Optical Engine Optical Engine Optical Engine ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Replace Keypad Check Check Battery and FFC Battery Level Keypad and FFC Replace Replace Check Check Remote Control Main board Remote Control Main board Replace Check Replace Check Main board Main board ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
I/O port Video Standard Pattern generator (Ex. Quantum data) or DVD player Test Equipment Signal format NTSC I/O port S-Video Standard Pattern generator or DVD player Test Equipment 480i Signal format I/O port ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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2. Press Source button manually selects an input source Foot adjuster operation Foot adjuster. Test criteria Foot adjuster button Foot adjusters should stretch downward smoothly by pressing the foot adjuster buttons on the two sides ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Standard Pattern generator (Ex. Quantum data) Signal format 1920*1080 60Hz 60” in diagonal length Projected image size Test criteria Test Pattern ANSI Brightness Apparent color strip, bend and streak corner on the projected image are not allowable. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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5. Rotate Zoom ring to tele mode (Minimum projected image) 6. Adjust focus ring to make resolution of 4 corners and center are balanced. 7. Check the characters should be recognized easily. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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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) ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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Chroma automatic system (The alternative is CL -200) Test Equipment Test method Measure 9 points Criteria Marketing spec 20% off (8) Cosmetic standard for repaired projector Follow cosmetic standard for repair center. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
(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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
(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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
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(6) 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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
(1) At horizontal 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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
This section provides each connector location on boards and function of each board. They will be useful for your detecting the defective boards. 6.1 Main Board Connector Description Connect to DMD Board 6.2 The backside of Main Board No10 No11 No12 No14 No13 ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
Safety switch No 13 Audio Board No 14 6.3 Ballast Board Connector Description No 1 Lamp power supply No 2 Ignite signal connected to Main board No 3 High Voltage Power supply ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
6.4 Power Board Connector Description No 1 380V output for ballast No 2 12V/5V output for Main board and Audio board ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
When working on the projec tor, 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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
If the filter cover is torn, replace it. 4. Replace the filter cover. 5. Attach the filter cover. 6. Plug the power back into the projector. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
(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. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...
Above listed items are examples, supplier can expand the rows to add more necessary items. Remark 2: All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR approved by ViewSonic Corporation. This is to eliminate repeated cross checks of Notice: 1.
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C. Do you have any other opinions or suggestions regarding this service manual? Reader’s basic dada: Name: Title: Company: Add: Tel: Fax: E-mail: After completing this form, please return it to ViewSonic Quality Assurance in the USA at facsimile 1-909-839-7943. ViewSonic Corporation Pro8400 Confidential - Do Not Copy...