Viewsonic PJ606-1 Service Manual

Service Manual
ViewSonic PJ606-1
Model No. VS11233
LCD Projector
ViewSonic
(PJ606-1_SM Rev. 1a Jan. 2006)
381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
Copyright
2005 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.
1a
01/04/06
Revision History
Documents Number
DCN Number ECR Number
5803
Initial Release
Description of Changes EditorRevision SM Editing Date
BonnieT.
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PJ606-1
TABLE OF CONTENTS
1. Precautions and Safety Notices 1
2. Trouble shooting 2
3. Main board Firmware Download
4. Disassembly
5. Service Mode and Adjustment
13 18 35
6. RS232 command 39
7. Block Diagram
8. Basic Circuit Diagrams
9. Recommended Spare Parts List
43 45 74
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Chapter 1
Precautions and Safety Notices
1. When replacing the lamp, use care to avoid burns to your fingers. The lamp becomes very hot during operation.
2. Never touch the lamp with your fingers as body oil transferred to the lamp can damage the lamp’s useful life.
3. Never drop the lamp or jar it in any manner. This may cause the lamp to burst.
4. This projector is provided with a high voltage circuit for the lamp. Do not touch any electric part or component after the projector has been turned on and is operating. Doing so could induce a severe shock causing injury or death.
5. Do not touch the exhaust fan, nor block its air flow, during operation, as the fan is hot.
6. Use only the cables which are included with the projector, or are specified in this manual.
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Chapter 2
Trouble shooting
Cautions when replacing the Optical Engine and Main board :
1 Make sure the 24LC128 on main board U14 always goes with its original
Optical Engine one by one when you replace the main board or Optical Engine.
2 Make sure the direction of 24LC128 on main board.3 Execute “ C&B calibration “ and “ Keystone calibration “ when you replace
Main board every time. Otherwise the screen will miss gray level or become keystone distortion.( please refer to page P37 and P38 )
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1.1 The color parameter is kept in 24LC128 ( locate U14 ) , and the color parameter is different due to different optical engine.
1.2 View Sonic will provide a new U14 with a new optical engine when you must to change an engine , and the U14 was be adjusted with the optical in ViewSonic factory.
1.3 When you replace an optical engine or main board , please confirm the U14 has to always goes with its original optical engine one by one.
2.1 Make sure the the direction of 24LC128 on main board , the mark (*) at the left side.
*
3.1 C&B calibration function for picture performance can become optimal by your signal input.
3.2 Keystone calibration function for the project can correct keystone automatically.
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Troubleshooting
Projector System Block Diagram
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- LED Lamp Indicator
Troubleshooting
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- Troubleshooting flow chart
Start
Connect
Power Core
Connect computer & DVD cable
Turn On the Power Switch
Troubleshooting
Press Lamp
On Button
Have
Image
Yes
Is Image
quality
OK
Yes
No
No
A. No Image
Troubleshooting
B.
Poor Image quality
Troubleshooting
1
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1
Yes
Troubleshooting
Is the OSD&DVD
Function OK?
Yes
Is Audio OK?
Yes
Is Remote
Control OK?
No
No
No
C.
OSD & DVD function NG
Troubleshooting
D.
Audio Function
Troubleshooting
E.
Remote Control
Troubleshooting
Yes
Is Keypad OK?
Yes
No Trouble
Found
Yes
END
No
F.
Keypad
Troubleshooting
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A.No Image Troubleshooting
Start
Check LED indicator on
keypad
Troubleshooting
Green off
Red off
Green fast
Flashing
Red on
no
Green fast
flashing Red fast
flashing
no
Green on
Red fast flashing
yes
yes
yes
yes
Change keypad
yes
Check / change
lamp door switch
no
Check / change
thermal sensor
connector
yes
Check fan pin2
voltage - 5V
(J1,J4,J5, J6,J15)
no
Change power
supply
no
yes
yes
END
Check / change
no no
thermal switch
connector
yes
no.
Change
NG fan
Check / change Lamp / Ballast
yes
yes
no
no
no
no
Green on
Red off
no
yes
Change Main Board
no
,but keep the same
24LC128
No trouble found
Yes
END
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Troubleshooting
B.Poor Image quality Troubleshooting ( flicker , discolor, streak..etc)
Start
Press " Auto" key & " reset all " on OSD
no
Change computer /
DVD cable
no
Change Main board , but keep the same 24LC128
yes
yes
yes
no
Change Optical Engine and
24LC128 (that with the new Optical Engine)
END
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Troubleshooting
C.DVD / OSD Function NG Troubleshooting
Start
Re-flash firmware
no
Change Main
board , but keep the
same 24LC128
no
No trouble found
yes
yes
END
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D.Audio Function troubleshooting
Start
Troubleshooting
Have Sound?
yes
Have Noise?
no yes
Change Cable/
Connector
no
yes
Change Speaker
no
Change Main Board , but keep the same 24LC128
no
END
yes
yes
Change IO Board
no
yes
END
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E.Remote Control troubleshooting
Start
Replace the
Battery
no
Troubleshooting
yes
Change New
One Remote
Controller
no
Change Main board , but keep the same 24LC128
END
yes
END
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F.Keypad troubleshooting
Start
Troubleshooting
Change Keypad
Board
yes
END
no
Change Main board
,but keep the same 24LC128
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Chapter 3
M/B Firmware
M/B firmware Download SOP
1.Hardware Connection: A. Power cable B. RS-232C cable ( PS2 cable : part number : 11660026) C. Power switch must be turn " OFF" .
RS-232C cable.
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Power switch.
13
Power cable.
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2.Select and click " FlashUpgrader"
M/B Firmware
3.Check in the Directory parameter " Model" and the " version no. " to be use.
For example :
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4.Select and click " Flash" .
M/B Firmware
5.After clicking " Flash" , it will turns into " Cancel" .
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6.Turn " ON" the power switch.
M/B Firmware
7.It will start " Downloading" .
Power switch.
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8.Done and finished.
M/B Firmware
9.Press power switch OFF after download.
Power switch.
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Chapter 4 Disassembly
- Exploded Chart
Item
1 Case Top A 1 2 Case Ring 1 3 Case keypad A 1 4 Keyboard PCBA 1 5 Flat wire 1 6 screw N3x6 4 7Mylar MB 1 8
9 10 screw PIP 2.6x16 2 11 12 13 14 screw B 2x10 2 15 Ass'y Panel Duct 1 16 Ass'y Exhaust Duct 1 17 Optical Engine Assy 1 18 screw PIP 2.6x5 5 19 screw ZN 3x12 4 20 screw PIP 3x8 2 21 22 screw PIP 3x8 2 23 screw PIP 3x8 2 24 25 26 27 screw PIP 3x8 4 28 screw BM 4x6 2 29 screw PIP 3x8 2 30 31 32 33 34 35 screw BM 3x8 2 36 screw PIP 3x8 2 37 screw M 3x6 2 38 screw BM 3x8 5 39 40 Zoom Ring 1 41 Focus Ring1 1 42 Focus Ring1 1
Description
Case BTM A Adjust Foot A
Inlet Case Inlet Filter Cover SW Ass'y
Ballast
Power Supply (270W) Mylar AC PF AC Filter
Inlet Fan ( 2410-B39-3pin ) Fan NBR Fan Mylar Main Board IO CASE
Card Holder
Q'ty
1 2
1 1 1
1
1 1 1
1 1 1 1 1
1
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- Exploded Chart
Disassembly
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- Disassembly Indication
1.Low Cover Sponge Disassembly
a.Pull Blower Inlet Cover
b.Sponge disassembly
Sponge
Pull
Disassembly
Blower Inlet Cover
fig 1
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Disassembly
2.Lamp Module Disassembly
Caution :Please be carefully,because Lamp module is very hot.
And please wear a anti-heat glove if you lamp off in 10 minutes.
A. .Take off Screw BM3x8 1 pcs
Take off Lamp Cover Upper
fig 2
B.Take off Screw BM3x12 2 pcs from Lamp Module
C.Pull Lamp Module out
fig 3
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fig 4
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