ViewSonic PJ860-2 User manual

Service Manual
ViewSonic PJ860-2
Model No. VPRJ21558-1
Color SVGA Ultra Bright Portable
LCD Projector
Rev. 2 — February 2000
ViewSonic®
381
Brea
Canyon
Road,
Walnut,
California
91789
USA
-
(800)
888-8583

Copyright
Copyright
©
1998
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
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|
Date
|
Description
Of
Changes
Approval
17700
0
2.0
2/18/00
Updated
&
Corrected
Adjustment
T.
Sears
Procedure
ii PJ860-2 Service Manual

TABLE OF CONTENTS
SERVICE WARNING o.cciajsesssesescossntovivonssiossscocssocbenacatscdesusssvorsosssesacecvbdcsvoenscdssssbesneeestebesshcsseesvarsedavensdiossesesse 1
Ji FEATURES cissscssssocsisissssesssssssssnivsstusscsevossedentevessoitescecesesctessaatuctasssdacscscatebcosedeldsatcielecesoensaceeseedvevebasseavatiessiese 2
2. SPECIFICATIONS ocscssosossassseesseonvsvvevessasoessbsnveseiecevenssensubeducessdesedsdesésesovssensarsiveshieseeniisianierovecssscessorsdesvoosoy 2
3.NAMES: OF EACH PART ssscccccccsssossssesoscecsecsosscssecacsconsisasosonucesvovsarorsesssescestvedssedsevesorssoseneadesesesssaeucebvacebisesa 3-8
A, ADJUSTMENT ssssscseocsocossoscscsoisonsoicsssesltnsesessesste aussassesedossveseessoressacosnescnsoaticacs dutncattiesedesbedvasossvdceosesesebatesecs 9~12
5. TROUBLESHOOTING .......csssssssssosssssesssssersssessrovnseressecassecssessssavscssesecesovesscnsnsesacssusesssesaseacorararaceseseseseacers 10~20
6. SERVICE PARTS REPLACEMENT CAUTIONG.........sssccccssssssssosesssscsesscsssecsssssecassssecsccessnecossasaracseeerese 21
Té BLOCK DIAGRAM piiccccsccscsssscsossciessscsstesocedasiscsconniesasssevossvenceetereeresoendossoiovensesascescssesestocesssasceseseiséeonesosseeate 22
8. WIRING DIAGRAMG...........ccscscscssssonsnsecerssesnassensvensosonscecsseenssssesssesesecscnssensonscasssnsscnsosusensssasacnenesssseseacocass 23~24
9. CIRCUIT DIAGRAMG...........cccossssssessssessereoser saceesscesccncsncesrsceocenenseasaceesnseeceosecsseeseosessecessecoesse senevencsessecesee we25S—~O1
10. INTERCONNECTION DIAGRAM ..........ccsse00 escsacssoenenerssnsensensnscnscosscraracsonecsscesssseossctesseoneseceesenseasasoneves 62
11. EXPLODED PARTS VIEW........ccssscsssceccosvcerssesesesensesasassssvesscssaserscssereseresusesnsssscossesaseosases sactacssenessoresens --63—~64
12. REPLACEMENT PARTS LIST. ..........scccscsscscsssssesscensesecsssessoeseosssesssensnsnscasssessesecessonscasenseensnasacesessacssreres 65
Haan ee es ee Le Ea ES ee
iii PJ860-2 Service Manal

-MEMO-

~ SERVICE MANUAL eiveacia
ya
Caution - -
Be sure to read this manual before attempting to service this product. This ViewSonic liquid crystal projector
is designed to provide protection from fire, electric shock, physical injury, harmful radiation, and materials.
It is important to read and follow all cautionary warnings mentioned in this manual.
Service Warning
The
lamp
can
be
extremely
HOT.
Be
careful
to
avoid
burning
your
fingers
when
replacing
the
lamp.
Never
touch
the
lamp
bulb.
Dropping
it
or
giving
it
a
shock
may
cause
the
lamp
to
burst.
High
voltage
is
present
in
the
projector
for
the
lamp
circuit,
so
do
not
touch
the
electrical
parts
of
the power unit when the projector is powered on.
s
Do
not
touch
the
exhaust
fan
during
operation.
”
The
LCD
module
assembly
is
easily
damaged.
When
replacing
the
LCD
Module
assembly,
never
handle
the attached flexible ribbon cable.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
pres c cee ecw ene eee etree ee eee ene

1. Features
» High brightness, High resolution
> Compact size, light weight for portability
> RGB output terminal
» RS232C Communication
> Mouse emulation
» Power zoom and power focus functions
>» Complies with VESA DDC1/2B specifications
> Auto-adjustment function
2. Specifications
om LDive system TFT active matrix
panel
Number of pixels {| 800 (H) x 600 (V)
‘BOW UAB
NTSC , 4.43NTSC , PAL , M-PAL , or SECAM (N-PAL : only compulsion mode)
Composite 1.0Vp-p (75Q termination)
Video input teae Y/C Y : 1.0Vp-p (75Q termination)
C : 0.286Vp-p (NTSC burst signal, 75Q termination)
0.3Vp-p (PAL/SECAM burst signal, 75Q termination)
. R Analog RGB input
Vv
0.7Vp-p (75Q termination)
H/V separate
ignal
200mVrms, 20kQ or less
Audio
Output ___| 0-200mvims, 1K
Speaker output 1.2W + 1.2W (stereo)
Power supply AC100~120V/3.7A,AC220~240V/1.5A
320W
289 (W) x 124 (H) x45 (0) mm
Weight 5.9kg (13ibs)
T iarsieane Operation :0~35°C
RINRE DA Sscrene Storage : -20~60°C
REMOtE CONTLOL ose rerrseerseessessserresesesreecere RGB Cables -.:-:cccsssserecnrensssserssecensessenn
Accessories
RGB input /
output
POWER cord --....-«-- 3(CP-S860W) Mac adapter ve
2(CP-S860E) VIdEO/AUGIO CADIS -vsercssssssssssccseneesssen 1
BATTERIES LRG covsssssssscssssesecrseesecsersennes MOUSE CADIG -vscrecssssstsscctcstscsneetenseessione
ame
ViewSonic Corporation BO ee ee PJ860-2

3. Names of each part
@ Main unit
#¢ FOCUS button
Used to adjust the focus of the image on
the screen.
INPUT button
Press this button to switch the input. The
input changes in the following sequence
ZOOM button
Used to adjust the size of the image.
MUTE button Eee ene each time this button is pressed.
This button turns the sound on and RGB1—» RGB2 — VIDEO
off. Press once to turn the sound off; fe ee
then press again to turn the sound
back on. MENU button
Displays the image menu.
STANDBY / ON button
Press this button to turn the power
on and off. When turned off, the
projector enters standby status.
““ RESET button
Used to reset the initial settings.
* TEMP indicator
This indicator lights or blinks when the
internal temperature of the projector
rises and when the fan malfunctions.
LAMP indicator sass
This. lamp lights or blinks when the
lamp is off.
ON indicator seamen
This indicator lights or blinks during
standby and during operation.
Speaker
Speaker
Remote control
photoreceptor
« Cooling fan
Lens (exhaust side)
Lens
cap
«
Handle
* Cooling fan
{intake side)
* Use the remote control in front of the remote control photoreceptor at a distance
of about 5 m or less and an angle of 30 degrees to the left or right of the center.
|
ll
a
a
-3-
:
Confidential
-
Do
Not
Copy
:
PJ860-2
~
ViewSonic
Corporation
_

Remote control photoreceptor
Main power switch :
Used to turn the power on and off.
© : OFF
| : ON
AC IN jack ¢
Used to connect the accessory power cord.
Connecting to the AC IN jack VIDEO IN jack
Make sure the accessory power cord is plugged into meee wale Kois eoeneciws
the AC IN jack as far as it will go. Incomplete VIDEO IN jack é .
connection can result in fire or electrical shock. RCA jack
AUDIO L/R IN jack
RCA jack
RGB IN jack =
D-sub 15-pin shrink (1/2)
CONTROL jack sssenesmfasceneonhes el Sell Qa.
D-sub 15-pin shrink
USB jack \
The mouse cursor can be controlled by %
AUDIO IN jack %
Stereo mini-pin jack remote control by connecting to a RGB OUT jack
personal computer. D-sub 15-pin shrink
AUDIO OUT jack (RGB/VIDEO)
Stereo mini-pin jack
Pe
_ViewSon ic Corporation -4-— : Confidential - Do Not Copy :
PJ860-2
b= 2.4

@ Remote control transmitter
mente TT
VIDEO,
RGB
button
er
ceil
:
Press
to
switch
the
input.
STANDBY / ON button
Used to turn the power on and off.
Press for 1 sec. or more to turn the power off
(enter standby status).
DISK PAD
(1) Used to select menu items when the menu
screen is displayed
(2) When the menu is not displayed, the mouse
shift function and left click function are active.
(3) After the POSITION ON button has been
pressed, the screen can be moved upward,
downward and to the left and right.
MENU button
Used to turn the menu screen display on and off.
MAGNIFY button
Used to magnify the displayed image.
Pin P button
Used to turn Pin P (Picture In Picture:
displays small video signal images in the
RGB signal) on and off.
BLANK button
Used to turn blanking on and off.
FOCUS button :
Used to adjust the focus of the image on the
screen.
LASER button
Turns the laser beam on and off.
POSITION button
Pressing the top, bottom, left or right of Disk Pad
after pressing this button causes corresponding
movement (effective only for RGB signal output).
RESET MOUSE / RIGHT button
Operates as the RESET button when the menu
is displayed. Press this button to return to the
initial settings.
Used to click the right mouse button when the
menu is not displayed.
‘\ FREEZE button
Used to turn the freeze (still) image display on
and off.
* VOLUME button
Adjusts the volume of the sound. Press [ A] to
increase the volume and ( \v ) to decrease the
volume.
MUTE button
Mutes the sound when pressed and restores the
sound when pressed again.
TIMER button
Turns the time display of the timer displayed on
the menu screen on and off.
The timer is not displayed during blanking.
*ZOOM button
Used to adjust the size of the image.
« AUTO button
Used to execute auto-adjust.
CAUTION
LASER RADIATION.
* DO NOT STARE INTO BEAM
WAVE LENGTH.650nm
MAX OUTPUT.1mW
CLASS 2 LASER PRODUCT
AVOID EXPOSURE-
LASER RADIATION iS
EMITTED FROM THIS
APERTURE
ViewSonic Corporation _

Function for service |
: ere Press the RESET button of the projector or the TIMER
Displayed the operating time of the lamp button of the remote control, for 3 seconds.
Press the RESET button of the projector or the remote
Reset the operating time of the lamp control MENU, for 3 seconds.
(During be displayed the operating time of the lamp.)
Press the MUTE button of the projector or the remote
Displayed the operating time of the projector control, for 3 seconds.
(During be displayed the operating time of the lamp.)
When replacing the lamp, Reset the operating time of lamp.
Reset the lamp timer :
Please carry out the following operation within 10 minutes from power on, if you replaced the lamp after 2,000 hours.
2 3
OIBIOIO®
(1 )
@ pea
aduy ay O3GIA
C)
1) Press the RESET button on projector for 3 seconds or remote
control TIMER button for 3 seconds and display the total lamp
used time. LAMP 1700 hr
2) Press the RESET button on projector or remote control MENU
ON button during displaying the lamp used time. LAMP 1700 C0 CANCEL
3) Select the "0" on the screen using the MENU (@)) button or
DISK PAD.
ee ee a)
;
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