ViewSonic Pro8400 Series VS13647 Service Manual
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
Copyright
Copyright© 2010 by ViewSonic Corporation. All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or
computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical,
manual or otherwise, without the prior written permission of ViewSonic Corporation.
Disclaimer
ViewSonic makes no representations or warranties, either expressed or implied, 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 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 document are the property of their respective owners.
Revision History
Revision SM Editing Date ECR Number Description of Changes Editor
1a GG02/22/11 Sophia Kao
Confidential - Do Not Copy
ViewSonic Corporation
All content on this SM had approved by PE, Charles
Pro8400
i
Table of Contents
1 System Introduction ................................................................ ................................ .............. 1
1.1 Technical Specification ..................................................................................................1
1.2 Location of Features, Controls, and I/O ........................................................................ 2
1.3 Pro8400 Lamp Specification ..........................................................................................9
1.4 Pro8400 System Block Diagram .................................................................................12
2 Firmware (PixelWorks) Upgraded Flow ................................................................ .............. 13
2.1 Setup Tool/Equipment ..................................................................................................13
2.2 Upgrading Procedure ...................................................................................................13
3 Machine Disassembly and Replacement ................................ ................................ ............ 14
3.1 Tools ...............................................................................................................................14
3.2 Disassembly Procedure ...............................................................................................15
3.3 Assembly FAN Module.................................................................................................23
3.4 Disassembly Lamp Module ..........................................................................................24
4 Troubleshooting 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 drawing ............................................................................................................48
8 Maintenance ................................................................ ................................ ....................... 51
Appendix A: RS-232 Command and Configuration ................................................................ .... 52
Appendix B: IR Control Code ................................................................................................ .....54
Appendix C: How to reset the Lamp Hours ................................................................ ................ 55
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
ii
9 Recommended Spare Parts List ................................................................. ........................ 56
1 System Introduction
1.1 Technical Specification
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
1
1.2 Location of Features, Controls, and I/O
A. Projector overview
Front View
1. Lens 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
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
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
3
B. Button function and LED indicator
LED
1. Power (Power LED indicator)
2. TEMP (Temperature LED indicator)
3. LAMP (Lamp LED indicator)
Button function
4. Keystone/Arrow keys /Up, /Down)
Manually correct distorted images resulting from 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 selecti on.
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
ViewSonic Corporation
Pro8400
4
C. Connection ports
1. RS232
When operating th e projector via a computer, connect this to the controlling computer's
RS-232C port.
2. Monitor Out
Connect to a computer display, etc.
3. Component (Y Cb/Pb Cr/Pr)
Connect Y Cb/Pb Cr/Pr output from video equipment to this jack.
4. S-Video
Connect 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 equipment to this jack .
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
5
10. DC 12V Out
12V DC out
11. MIC in
Microphone input jack.
12. Audio Out
Connect to a speaker or other audio input equipment.
13. Audio 2
Connect an audio output from video equipment or computer to this jack.
14. Audio 1
Connect an audio output from video equipment or computer to this jack.
15. Audio 3 (L/R)
Connect an audio o utput 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
ViewSonic Corporation
Pro8400
6
D. Remote Control
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
7
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
8
1.3 Pro8400 Lamp Specification
Product Scope
The product is a lamp system consisting of a short arc burner within a reflector and electronic lamp
driver.
Type lamp P-VIP 280/0.9 E20.8e
Identcode : A 737 57A (FC, non-grinding)
Type driver PT VIP O3 TOP 280W unipro AS
Identcode : A 741 73B (lock type,Gen5,VC, unipro)
The lamp must be operated with the OSRAM lamp driver only.
Initial Characteristics
nominal tolerance
Input Voltage 380V DC 250…400V DC
Standby(non-operating) min. 120V DC
Max. slew rate of input voltage
During switch on 30Vμs
Input Current 0.8A
Max. input voltage ripple 30Vpp@ 100/120Hz
Max. input current ripple 1Arms@40 -300kHz
Input 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 level typical acoustic sound pressure level tbd dB(A) at 25cm
measuring distance; measured in steady state lamp
operation
5
Acoustic sound power level typical acoustic sound power level tbd dB(A) acc. to EN
ISO 3744; measured in steady state lamp operation
5
Switch-off lamp voltage 140V 5V
Cooling method forced air cooling at1.5 m/s minimum
Thermal Protection Tc1 switch point 955
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
9
Safety Protections The lamp connections are not mains isolated, The lamp
can be switched on via the Start Control Input signal(SCI).
A Flag Output signal indicates if the lamp has lit rightly. The
Start Control Input and the Flag Output are mains isolated.
Note:
4
Measured at real lamp load. Deviations will occur on all kind of artificial loads (e.g.
resistor)
5
Measured with RGB waveform. Customer generated UNISHAPE waveforms can lead to
noise deviation.
Attention for handling
Do not touch the lamp until it has cooled completely, because the lamp is very hot
during operation and immediately after turned off.
The lamp has to be fixed firmly to the base or socket.
Turn off the power supply during maintenance.
Do not hold the lamp except outer surface of the reflector.
Wear protective gloves and eyeglasses when handling the lamp.
Any unusual shock or vibration to the lamp should be avoided.
The lamp contains the mercury. Its breakage might cause mercury to flow out of the
reflector. 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 flammable stuff.
During operation, 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 recommend to you to put on something for
protection for your skin. For example, long sleeve shirt, gloves, glassed and so on.
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.
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
10
Dispose of used lamps according to your local instruction.
Do not turn on the lamp while the system is opened.
The lamp contains mercury. If the lamp bursts during 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
1.4 Pro8400 System Block Diagram
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
12
2 Firmware (PixelWorks) Upgraded Flow
This chapter provides the information regarding relevant equipments and upgrading
procedure for f irmware upgrade.
Note:
Please check the firmware and composer version before any f irmware 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 t o manufacturer for flash memory recovery.
2.1 Setup Tool/Equipment
USB Disk
Power Cord
2.2 Upgrading Procedure
1) Give power 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 right button to search FW
document.
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.
1
2
3
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
13
3 Machine Disassembly 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
3.2 Disassembly Procedure
Warning
Put on the Static Electricity Ring when starting for repair.
Repair Environment suggest in Clean -room class 10000. Do not remove Optical
Engine or DMD panel outside the clean room. Please return the optical engine to
supplier if your repair condition can not meet the requirement.
While screwing or unscrewing screws, please keep the screwdriver straight. Keeping
screwdriver inclined will damage the screw holes.
Please turn off the power befo re 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 the oil on your hands may shorten the lamp life. Use
lint-free gloves or finger cots are recommended.
Confidential - Do Not Copy
ViewSonic Corporation
Pro8400
15
Loading...