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 - [phone]

Copyright

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.

ViewSonic Corporation Confidential

i

-

Do Not Copy

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

ViewSonic Corporation Confidential

ii

-

Do Not Copy PJ606-1

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.

ViewSonic Corporation Confidential

1

-

Do Not Copy PJ606-1

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 )

------------------------------

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.

ViewSonic Corporation Confidential

2

-

Do Not Copy PJ606-1

Troubleshooting

Projector System Block Diagram

ViewSonic Corporation Confidential

3

-

Do Not Copy PJ606-1

- LED Lamp Indicator

Troubleshooting

ViewSonic Corporation Confidential

4

-

Do Not Copy PJ606-1

- 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

ViewSonic Corporation Confidential

5

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

6

-

Do Not Copy PJ6006-1

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

ViewSonic Corporation Confidential

7

END

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

8

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

9

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

10

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

11

-

Do Not Copy PJ606-1

F.Keypad troubleshooting

Start

Troubleshooting

Change Keypad

Board

yes

END

no

Change Main board

,but keep the same 24LC128

ViewSonic Corporation Confidential

12

-

Do Not Copy PJ606-1

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.

ViewSonic Corporation Confidential

Power
switch.

13

Power
cable.

-

Do Not Copy PJ606-1

2.Select and click " FlashUpgrader"

M/B Firmware

3.Check in the Directory parameter " Model" and the " version no. " to be use.

For example :

ViewSonic Corporation Confidential

14

-

Do Not Copy PJ606-1

4.Select and click " Flash" .

M/B Firmware

5.After clicking " Flash" , it will turns into " Cancel" .

ViewSonic Corporation Confidential

15

-

Do Not Copy PJ606-1

6.Turn " ON" the power switch.

M/B Firmware

7.It will start " Downloading" .

Power
switch.

ViewSonic Corporation Confidential

16

-

Do Not Copy PJ606-1

8.Done and finished.

M/B Firmware

9.Press power switch OFF after download.

Power switch.

ViewSonic Corporation Confidential

17

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

18

-

Do Not Copy PJ606-1

- Exploded Chart

Disassembly

ViewSonic Corporation Confidential

19

-

Do Not Copy PJ606-1

- Disassembly Indication

1.Low Cover Sponge Disassembly

a.Pull Blower Inlet Cover

b.Sponge disassembly

Sponge

Pull

Disassembly

Blower Inlet Cover

fig 1

ViewSonic Corporation Confidential

20

-

Do Not Copy PJ606-1

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

ViewSonic Corporation Confidential

21

fig 4

-

Do Not Copy PJ606-1