Barco R1307792K User manual

BARCO PROJECTION SYSTEMS
Date :
10/04/1999
INSTALLATION MANUAL
LCD Panel Kit
BG9300
Order No.
R5976017
LCD Panel KIT
R1307792K
R1307795K
R1307796K
Rev.
: 01

Due to constant research, the information in this manual is subject to change without notice.
Produced by BARCO NV, April 1999.
All rights reserved.
Trademarks are the rights of their respective owners.
BARCO n.v./Projection Systems
Noordlaan 5
B-8520 Kuurne
Belgium
Tel: [phone]
Fax: [phone]
E-mail: [email protected]
Visit Barco on the web: http://www.barco.com
Printed in Belgium

- 3 -
Table of Contents
To be continued on next page
Table of Contents -------------------------------------------------------------------------- 3
Chapter 1 : Preparation ------------------------------------------------------------------ 5
Contents of The Kit------------------------------------------------------------------------ 6
Purpose of This Kit ------------------------------------------------------------------------------------------------------------------ 6
Content of the Kit -------------------------------------------------------------------------------------------------------------------- 6
Preparation----------------------------------------------------------------------------------- 7
How to Remove the Top Cover --------------------------------------------------------------------------------------------------- 7
No Cover Support ! ------------------------------------------------------------------------------------------------------------------ 7
Location of the LCD Panels ------------------------------------------------------------------------------------------------------- 8
Attention ! ------------------------------------------------------------------------------------------------------------------------------ 8
Antistatic Protection Steps --------------------------------------------------------------------------------------------------------- 8
Electrical Disconnection of the Panels ------------------------------------------------------------------------------------------8
Electrical Dis-connection of the Servo Motors ---------------------------------- 9
When Necessary -------------------------------------------------------------------------------------------------------------------- 9
How to disconnect the Cables of the Servo Motors. ------------------------------------------------------------------------ 9
Chapter 2 : Replacement of the LCD Panel ------------------------------------- 10
Removing the LCD Unit out of the Projector ------------------------------------11
Necessary Tools ------------------------------------------------------------------------------------------------------------------- 11
How to Remove the LCD Panel holder --------------------------------------------------------------------------------------- 11
Disassembling the LCD Holder ----------------------------------------------------- 13
Necessary Tool --------------------------------------------------------------------------------------------------------------------- 13
Attention ! ---------------------------------------------------------------------------------------------------------------------------- 13
Antistatic Protection Steps ------------------------------------------------------------------------------------------------------- 13
How to Remove the LCD Panel ------------------------------------------------------------------------------------------------ 13
Assembling the LCD Holder---------------------------------------------------------- 16
Necessary Tool --------------------------------------------------------------------------------------------------------------------- 16
Attention ! ---------------------------------------------------------------------------------------------------------------------------- 16
Antistatic Protection Steps ------------------------------------------------------------------------------------------------------- 16
How to fix the LCD Panel --------------------------------------------------------------------------------------------------------16
Installation of the MOCA LCD Holder --------------------------------------------- 19
Necessary Tools ------------------------------------------------------------------------------------------------------------------- 19
How to Install the LCD Unit ------------------------------------------------------------------------------------------------------ 19

- 4 -
Table of Contents (continued)
Chapter 3 : Electrical Connections ------------------------------------------------ 21
Electrical Connection of the Servo Motors to the MOCA Module ------ 22
How to Guide the Cables of the Servo Motors ------------------------------------------------------------------------------ 22
Which Plug in Which Connector ----------------------------------------------------------------------------------------------- 23
Electrical connection of the LCD Panels and Starting up of the
Projector ------------------------------------------------------------------------------------ 24
Location of the LCD Panels ----------------------------------------------------------------------------------------------------- 24
Electrical Connection of the Panels ------------------------------------------------------------------------------------------- 24
How to Close the Top Cover ---------------------------------------------------------------------------------------------------- 24
Illustration Top Cover removal --------------------------------------------------------------------------------------------------25
How to Start Up the Projector ---------------------------------------------------------------------------------------------------25

- 5 -
Chapter 1 : Preparation
Survey
Precautions
Handling
Precautions:
sThe LCD module is a glass plate product and is easily damaged by stress.
sThe LCD module should be handled with care. Do not touch the glass surface and
the anti-reflective coating. Hold only by the surrounding metal plate.
sMake sure not to apply DC voltage to the module; this can damage the module.
sThe appropriate ANTI-STATIC PROTECTION steps should be taken in handling the
LCD module.
Mounting
Precautions:
sBe sure to power down and unplug the projector before removal/insertion of the
connector cable.
sIn case of LCD panel breakage, avoid contact with the liquid. It is harmful if swallowed.
Avoid contact with the eyes, skin, or clothing. In case of contact, flush the area with
water. Then wash the area with soap and water.
sImmediately wipe off any liquid spilled on the display area because its adherence may
cause deformation or color spots.
sDo not touch the display area and contact terminals with bare hands. Finger prints will
cause a smeared image on the screen and could lead to poor connections on the flex
foil contacts.
Storage: Please store the LCD panels as follows:
sPlacetheLCDpanels ina darkplace withnoexposuretodirect sunlightorlight.Keep
temperature within the range of 0°C to 35°C (32°F to 95°F).
sAvoid contact of the polarizer surface with any other materials.
sDonotstoretheimageblockformorethan50hours(about5days)underdirectsunlight
(about 10000 lx).
Anti-static
Protection
Steps:
Ifitisimpossibletoremoveamoduleinasafeareaforthereplacementofstaticsensitive
parts, the following steps should be taken:
sEnsure that the equipment is switched off.
sWearawristbandwhichisconnectedtothegroundfortheequipmentinquestionwhile
handling the static sensitive parts.
WARNING
LCD PANELS ARE VERY SENSITIVE DEVICES. OBSERVE FULL
PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE DEVICES.
This chapter handles all procedural steps to be performed before starting :
Subject Page no.
Contents of the Kit 6
Preparation 7
Electrical disconnection of MOCA servo motors 9
In this Chapter
Purpose Unpack the kit and check if all necessary materials are included.

- 6 -
Contents of The Kit
To replace the defective LCD panel.
Purpose of This
Kit
The kit contains one LCD panel depending on the ordered color.
Content of the Kit
Illustration of Kit
Order no. Description Quantity
R1307796K Blue LCD panel 1
R1307795K Green LCD panel 1
R1307792K Red LCD panel 1
R379000 Cleaning tissue 1

- 7 -
RGB V RGB
H / C V
On
98 27910
RGB
H / C V
H
9,'(2,1387
9,'(269,'(2
RS232 IN
REMOTE
PROJECTORMODE:
GREEN - OPERATI ON
RED - STANDBY
COMMUNICATIONPORT
(800-PERIPHERALS)
RS232 OUT IR-ACKNOWLEDGED
IR-RECEIVED
DIAGNOSTICS
CODE IR-RECEIVER
0
I
Thisdevicec omplieswithPart15 ofthe FCC rules.Operation
issubjectto followingtwo conditions :
(1)Thisdevice may not causeharmfulinterference
(2)Thisdevice must acceptanyinterferencereceived
including interference thatmay causeundesired operation
RGB V RGB
H / C V
On
98 27910
RGB
H / C V
H
9,' (2,1387
9,'(2
69, '( 2
RS232 IN
REMOTE
PROJE CTOR MODE :
GREEN - OPE RATION
RED - ST ANDBY
COMMUNICATION PORT
(800-PERIPHERALS)
RS232 OUT IR-ACKNOWLEDGED
IR-RECEIVED
DIAG NOSTICS
CODE IR-RECEIVER
9
$
+]
0 I
This device comp liesw ithPart 15 of the FC C rules. O peration
is s u b jec t to follo w in g tw o con d iti on s :
(1)Thisdevicemay not causeharmfulinterference
(2)Thisdevicemustacceptany interferencereceived
including interferencethatmay causeundesired operation
Preparation
How to Remove
the Top Cover
The top cover has to be removed to gain access to the LCD panels. Continue with the
following steps :
Step Action
1 Power down the projector and pull out the power cord from the wall outlet.
2 Turn both lock screws on each side of the front top cover with a screwdriver
or a coin counter clockwise.
3 Lift up and pivot the top cover.
No Cover
Support !
The cover is not secured with an incorporated support. Turn it over slowly and lay it
down on the second part the top cover.
Illustration Top
Cover removal
Loosen the
locking
screws.
Open the top
cover
To be continued on next page

- 8 -
Preparation (continued)
Location of the
LCD Panels
Electrical
Disconnection of
the Panels
Before starting the removing procedure, the LCD panels must be electrically discon-
nected from the driver board. Follow next procedure :
Step Action
1 Press very carefully on both sides of
the indicated points to unlock
2 Pull out the ribbon cable.
Illustration
Attention ! LCD panels are very sensitive devices. Observe full precautions for handling electro-
static devices. Do not touch the glass surface and the anti-reflective coating. Hold only
by the surrounding metal plate.
Antistatic
Protection Steps
Wear a wrist band which is connected to the ground while handling the static sensitive
parts.
Blue panel
Red panel
Green panel Ribbon Connectors
Ribbon Connectors
Ribbon Connectors
Press to lock
Press to unlock
Connector
ribbon
connector
cable

- 9 -
Electrical Disconnection of the MOCA Servo Motors.
The cables coming from the MOCA LCD holder and mounting bracket are grouped to-
gether. These cables must be unplugged from the MOCA module and guided through the
holes in the chassis.
How to
Disconnect the
Cables of the
Servo Motors.
Electrical disconnection of the servo motors is necessary when a projector LCD panel is
to be changed.
When Necessary
Hole
Hole
Cable Clamp
MOCA Module

- 10 -
Chapter 2 : Replacement of the LCD Panel
This chapter handles all procedural steps to be done during the adaptation :
Subject Page no.
Removing the LCD unit out of the projector 11
Disassembling the LCD holder 12
Assembling the LCD holder with the new panel 13
Installation of the LCD unit 14
Purpose This chapter describes how to replace LCD panel.
In this Chapter
Survey
Attention !
Panel Locations
While executing the mechanical adaptations, never mix the panels ! The Green LCD
panel must be reinstalled on the position for the Green LCD. The Red on the position
for Red and Blue on the position for Blue.

- 11 -
Removing the LCD Unit out of the Projector
Action
Note: the procedure for disconnection and removal is
identical for each individual panel.
Release the mounting bracket by unscrewing the four fixation
screws, keep a firm grip of the unit to prevent it being jolted
about and damaging the LCD panel and optical components
internally. Lift the whole unit out very carefully avoiding damaging
the LCD panel or holder.
Handle the LCD holder carefully. Be aware not to damage the
LCD panel, put it aside and continue with the other panels if
being replaced (Make a mental note of each panels original
location, they should never be mixed up from there original
position).
Step
1
Image
1,2
Necessary Tools The following tools are necessary to remove the panels out of the projector:
·Flat head screwdriver, nutdriver 7 mm.
The LCD holder and mounting bracket are mounted with four nuts. Follow the next
step:
How to Remove
the LCD Panel
Holder
Image 1
Release Screws to
Mounting Bracket
Ribbon Connectors
MOCA Connection Cables

- 12 -
Image 2

- 13 -
Disassembling the LCD Holder
Necessary Tool The following tool is necessary to remove the panels from the holder :
·Philips head screw driver. Flat head screw driver, nutdriver 7 mm.
Attention ! LCD panels are very sensitive devices. Observe full precautions for handling electrostatic
devices. Do not touch the glass surface and the anti-reflective coating. Hold only by the
surrounding metal plate.
Antistatic
Protection Steps
Wear a wrist band which is connected to the ground while handling the static sensitive
parts.
How to Remove
the LCD Panel
The LCD panel is mounted with 3 screws on the LCD holder. Continue with the
following steps:
Action
Take all precaution not to damage the panel.
Turn out the 3 screws retaining the panel to the LCD
Panel Holder. Save these screws for further use.
Remove the LCD panel while guiding the ribbon cable
through the slot in the LCD Panel Holder.
To separate the Panel Holder and Mounting Unit (for
changing between On/Off Axis) then do the following;
Unscrew the two Panel Support screws. It is not
necessary to remove the screws completely just enough
to slacken the Secure Pinching Springs.
Once this is done it will be possible to release the parts
by gently prying (by hand) apart the two mechanical
assemblies. If this is still difficult then loosen the Panel
support screws a little more.
On the Mounting Unit two tiny notches can be seen on
the two Clamping bits. These indicate if the LCD Panel
Holder is aligned either in a On or Off Axis position
relative to the ON/OFF Axis markers on the Arm Bits.
To change between On/Off Axis the positions of the
Clamping Bits must be swapped for the desired axis
orientation. In order to accomplish this, the Release Nuts
on top of the Clamping Bits must be loosened sufficiently.
It is normally not necessary to completely unscrew the
Release Nut, to loosen the Clamping Bit from its shaft, in
fact it simplifies the procedure if the Release Nut is not
completely loosened.
Step
1
2
3
On/Off
Axis
Image
1
2,3
4
5,6
5,7

- 14 -
Image 4 PANEL SUPPORT SCREWS
PINCHING SPRINGS
PANELHOLDER
MOUNTNG UNIT
Image 1
Image 3
Bracket Fixing Unit
Image 2
Ribbon cable
LCD Panel
Ribbon slot Ü
Retaining screws
LCD Panel
Ribbon Cable
LCD Holder

- 15 -
6:$3$5281'
Image 7
Image 6
INDICATOR NOTCH BALL JOINT
ARM BIT
Image 5
RELEASE NUTS
CLAMPING BIT CLAMPING BIT
ON/OFF AXIS MARKERS ON/OFF AXIS MARKERS
MOUNTING UNIT

- 16 -
Assembling the LCD Holder
How to fix the
LCD Panel
The LCD panel is mounted with 3 screws on the LCD holder. Continue with the
following steps:
Antistatic
Protection Steps
Wear a wrist band which is connected to the ground while handling the static sensitive
parts.
Attention ! LCD panels are very sensitive devices. Observe full precautions for handling electro-
static devices. Do not touch the glass surface and the anti-reflective coating. Hold only
by the surrounding metal plate.
Necessary Tool The following tool is necessary to fix the panel to the holder :
·Philips head screw driver. Flat head screw driver, nutdriver 7 mm.
Action
Take all precaution not to damage the panel.
Guiding the cable through the ribbon slot in the LCD
holder.
Turn in the 3 screws retaining the panel to the LCD
holder
Should you require to attach the Panel Holder and
Mounting Unit (for example after changing between Off/
On Axis) then do the following;
Loosen the 2 Panel Support screws, it is not necessary to
completely release the screws, just sufficiently to produce
enough adequate slack.
Bring the two bodies (the mounting unit & LCD panel
holder) together allowing the ball and socket joint
arrangements to rest against each other. Tighten the
panel support screws one at a time starting on the side
with the circular ball socket joint. While tightening ensure
the pinching spring is locking onto the LCD Panel Holder.
Once this side is done tighten the other side which has
the elongated socket joint. Ensure both Pinching Springs
are holding the Panel securely.
Step
1
2
3
On/Off
Axis
Image
1,2
3,3a
4

- 17 -
Image 3
Retaining Screws
Reverse Side View
Image 3a
Image 1
Ribbon cable
LCD Panel
Ribbon slot
Ü
Image 2

- 18 -
PINCHING SPRING
MOUNTING SCREWS
BALL SOCKET JOINTS
MOUNTING UNIT
PANEL SUPPORT SCREWS
LCD PANEL HOLDER
Image 4 Attaching the Panel Holder and Mounting Unit.

-19 -
How to Install the
LCD Unit
Follow the next steps :
Installation of the MOCA LCD Holder
Necessary Tools The following tools are necessary to fix the LCD unit into the projector :
·Flat head screw driver, nutdriver 7 mm.
Be careful not to force
side ways !
On Axis Position Notch
Off Axis Position Notch
LCD Panel Slot Base Chassis Plate
lcd Panel Holder Foot
Illustration 1
Image
Illustration
1
2
3
Action
The LCD unit must be slid into the vacant slot for the LCD panel
and secured in position using the four fixation screws . Before
inserting the LCD unit, look into the free space. On one side of
the base chassis plate two attachment notches are visible, one
for ON-AXIS and one for OFF-AXIS. The foot of the LCD Panel
Holder must latch onto one of the two notches dependent on the
projector setup.
Slide the LCD unit into the slot with the LCD panel facing the fixation
unit. Rest the foot of the LCD holder on the edge of the notch that
it is to be latched upon, then very very gently jiggle the unit to
encourage it to nestle snugly onto the notch.
Align then Attach the four mounting screws loosely.
Recheck for correct positioning on the correct notch by illuminating
with a torch through the space between the LCD panel and the
chassis. If a notch is visible, than the LCD unit is mounted in the
ON-axis position. If the notch is not visible, the unit is in the OFF
axis position. If alignment is correct tighten the four mounting
screws (place a thumb on top of the turnable fixation, so as to
ensure against possible slippage of alignment) securely to the
chassis.
Step
1
2
3

-20 -
Image 2
ÞÞ
Image 3
Fixation Screws to
Mounting Bracket
Ribbon Connectors
MOCA Connection Cables
Image 1
On Axis Position Notch
Off Axis Position Notch
Installation of the MOCA LCD Holder (continued)