Sharp XVDW100U Service Manual

XV-DW100U

SERVICE MANUAL

SY9U3XVDW100U

LCD PROJECTOR

MODEL

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.

XV-DW100U

CONTENTS

Page Page

• SPECIFICATIONS.............................................. 2

• IMPORTANT SERVICE SAFETY NOTES.......... 3

• NOTE TO SERVICE PERSONNEL.................... 4

• OPERATION MANUAL ...................................... 7

• REMOVING OF MAJOR PARTS...................... 12

• RESETTING THE TOTAL LAMP TIMER .......... 17

• THE OPTICAL UNIT OUTLINE........................ 18

• CONVERGENCE AND

FOCUS ADJUSTMENT .................................. 19

• ELECTRICAL ADJUSTMENT.......................... 25

• ADJUSTING THE PC INTERFACE.................. 33

• TROUBLE SHOOTING TABLE ........................ 34

• CHASSIS LAYOUT........................................... 50

• BLOCK DIAGRAM ........................................... 52

• OVERALL WIRING DIAGRAM......................... 54

• DESCRIPTION OF SCHEMATIC DIAGRAM ... 56

• WAVEFORMS .................................................. 57

• SCHEMATIC DIAGRAM................................... 58

• PRINTED WIRING BOARD ASSEMBLIES.... 108

• PARTS LIST

Ë

ELECTRICAL PARTS............................... 117

Ë

CABINET AND MECHANICAL PARTS .... 145

Ë

ACCESSORIES PARTS ........................... 150

Ë

PACKING PARTS ..................................... 150

• PACKING OF THE SET ................................. 151

SHARP CORPORATION

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

1

XV-DW100U

Specifications

2

XV-DW100U

2
2

IMPORTANT SERVICE SAFETY NOTES

Ë Service work should be performed only by qualified service technicians who are

thoroughly familiar with all safety checks and servicing guidelines as follows:

WARNING

1. For continued safety, no modification of any circuit
should be attempted.

2. Disconnect AC power before servicing.

BEFORE RETURNING THE PROJECTOR:
(Fire & Shock Hazard)

Before returning the projector to the user, perform
the following safety checks:

1. Inspect lead wires are not pinched between the
chassis and other metal parts of the projector.

2. Inspect all protective devices such as non-metallic
control knobs, insulating materials, cabinet backs,
adjustment and compartment covers or shields,
isolation resistor-capacity networks, mechanical
insulators, etc.

3. To be sure that no shock hazard exists, check for
current leakage in the following manner:

» Plug the AC cord directly into a 120-volt AC outlet,

(Do not use an isolation transformer for this test).

» Using two clip leads, connect a 1.5k ohm, 10 watt

resistor paralleled by a 0.15µF capacitor in parallel
between all exposed metal cabinet parts and earth
ground.

» Use an AC voltmeter with sensitivity of 5000 ohm per

volt., or higher , sensitivity to measure the AC voltage
drop across the resistor (See Diagram).

» All checks must be repeated with the AC plug

connection reversed. (If necessary, a non-polarized
adapter plug must be used only for the purpose of
completing these checks.)
Any reading of 0.3 volts RMS (this corresponds to

0.2 milliamp. A C.) or more is e xcessive and indicates
a potential shock hazard which must be corrected
before returning the unit to the owner.

AC

VOLTMETER

1.5k ohm (10W)

0.15µF

TEST PROBE

TO EXPOSED
METAL PARTS

CONNECT TO KNOWN
EARTH GROUND

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SAFETY NOTICE

Many electrical and mechanical parts in LCD Projector
have special safety-related characteristics.
These characteristics are often not evident from visual
inspection, nor can protection afforded by them be
necessarily increased by using replacement components
rated for higher voltage, wattage, etc.
Replacement parts which have these special safety
characteristics are identified in this manual; electrical
components having such features are identified by “å”
and shaded areas in the Replacement Parts Lists and
Schematic Diagrams. For continued protection,
replacement parts must be identical to those used in the
original circuit. The use of a substitute replacement parts
which do not have the same safety characteristics as
the factory recommended replacement parts shown in
this service manual, may create shock, fire or other
hazards.

AVIS POUR LA SECURITE

De nombreuses pièces, électriques et mécaniques, dans
les projecteur à LCD présentent des caractéristiques
spéciales relatives à la sécurité, qui ne sont souvent
pas évidentes à vue.
Le degré de protection ne peut pas être nécessairement
augmentée en utilisant des pièces de remplacement
étalonnées pour haute tension, puissance, etc.
Les pièces de remplacement qui présentent ces
caractéristiques sont identifiées dans ce manuel;
les pièces électriques qui présentent ces particularités
sont identifiées par la marque “å” et hachurées dans la
liste des pièces de remplacement et les diagrammes
schématiques. Pour assurer la protection, ces pièces
doivent être identiques à celles utilisées dans le circuit
d’origine. L’utilisation de pièces qui n’ont pas les mêmes
caractéristiques que les pièces recommandées par
l’usine, indiquées dans ce manuel, peut provoquer des
électrocutions, incendies ou autres accidents.

WARNING: The bimetallic component has the primary

conductive side exposed. Be very careful in
handling this component when the power is on.

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AVERTISSEMENT:La composante bimétallique dispose du

conducteur primaire dénudé. Faire
attention lors de la manipulation de cette
composante sous tension.

3

XV-DW100U

NOTE TO SERVICE
PERSONNEL

UV-RADIATION PRECAUTION

The light source, metal halide lamp, in the LCD
projector emits small amounts of UV-Radiation.

AVOID DIRECT EYE AND SKIN EXPOSURE.

To ensure safety please adhere to the following:

1. Be sure to wear sun-glasses when servicing the
projector with the lamp
turned “on” and the top
enclosure removed.

2. Do not operate the lamp outside of the lamp housing.

NOTE POUR LE PERSONNEL
D’ENTRETIEN

PRECAUTION POUR LES RADIATIONS UV

La source de lumière, la lampe métal halide, dans le
projecteur LCD émet de petites quantités de
radiation UV.

EVITEZ TOUTE EXPOSITION DIRECTE
DES YEUX ET DE LA PEAU.

Pour votre sécurité, nous vous prions de respecter
les points suivants:

1. Toujours porter des lunettes de soleil lors d’un
entretien du projecteur
avec la lampe allumée
et le haut du coffret retiré.

2. Ne pas faire fonctionner la lampe à l’extérieur du
boîtier de lampe.

3. Do not operate for more than 2 hours with the
enclosure removed.

UV-Radiation and Medium Pressure
Lamp Precautions

1. Be sure to disconnect the AC plug when replacing
the lamp.

2. Allow one hour for the unit to cool down before
servicing.

3. Replace only with same type lamp. Type
CLMPF0056DE01 or BQC-XGNV6XU/1 rated 65V/
150W.

4. The lamp emits small amounts of UV-Radiation, a void
direct-eye contact.

5. The medium pressure lamp involves a risk of
explosion. Be sure to follow installation instructions
described below and handle the lamp with care.

3. Ne pas faire fonctionner plus de 2 heures avec le
coffret retiré.

Précautions pour les radiations UV
et la lampe moyenne pression

1. Toujours débrancher la fiche AC lors du
remplacement de la lampe.

2. Laisser l’unité refroidir pendant une heure avant de
procéder à l’entretien.

3. Ne remplacer qu’avec une lampe du même type.
Type CLMPF0056DE01 or BQC-XGNV6XU/1,
caractéristique 65V/150W.

4. La lampe émet de petites quantités de radiation UV­éviter tout contact direct avec les yeux.

5. La lampe moyenne pression implique un risque
d’explosion. Toujours suivre les instructions
d’installation décrites ci-dessous et manipuler la
lampe avec soin.

4

XV-DW100U

5

4

5
5

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UV-RADIATION PRECAUTION (Continued)

23456789012345678901234567890121234567890123

Lamp Replacement

Note:

Since the lamp reaches a very high temperature
during units operation replacement of the lamp
should be done at least one hour after the power
has been turned off. (to allow the lamp to cool off.)
Installing the new lamp, make sure not to touch the
lamp (bulb) replace the lamp by holding its reflector

2.
[Use original replacement only.]

Lamp

1

Reflector

2

DANGER ! –– Never turn the power on without the
lamp to avoid electric-shock or damage of the
devices since the stabilizer generates high voltages
at its start.

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PRECAUTION POUR LES RADIATIONS UV (Suite)

234567890123456789012345678901212345678901234

Remplacement de la lampe

Remarque:

Comme la lampe devient très chaude pendant le
fonctionnement de l’unité, son remplacement ne doit
être effectué au moins une heure après avoir coupé
l’alimentation (pour permettre à la lampe de refroidir).
En installant la nouvelle lampe, s’assurer de ne pas
toucher la lampe (ampoule). Remplacer la lampe en
tenant son réflecteur 2.
[N’utiliser qu’un remplacement d’origine.]

1

Lampe

2

Reflecteur

DANGER ! –– Ne jamais mettre sous tension sans
la lampe pour éviter un choc électrique ou des
dommages des appareils car le stabilisateur génère
de hautes tensions à sa mise en route.

Since small amounts of UV-Radiation are emitted
from an opening between the duct cover and the
lamp housing, it is recommended to place the LENS
CAP on the opening during servicing to avoid eye
and skin exposure (Fig. 1).

Note: Please obtain a lens cap before servicing a

model XV-DW100U that is received without
one.

LENS CAP

Comme de petites quantités de radiation UV sont
émises par une ouverture entre le couvercle du con­duit et le botier de la lampe,il est recommandé de
placer le CAPUCHON D'OPTIQUE sur l'ouverture
pendant l'entretien pour éviter une exposition des
yeux et la peau (Fig. 1).

Remarque: Priére de se procurer un capuchon

d'optique acant d'entretien un modéle
XV-DW100U qui est livré sans.

CAPUCHON D'OPTIQUE

Figure 1.

Figure 1.

5

XV-DW100U

2

WARNING: High brightness light source, do not stare into the beam of light, or view directl y . Be especially

careful that children do not stare directly in to the beam of light.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO

MOISTURE OR WET LOCATIONS.

CAUTION

RISK OF ELECTRIC SHOCK.

DO NOT REMOVE SCREWS

EXCEPT SPECIFIED USER

SERVICE SCREW

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,

NO USER-SERVICEABLE PARTS EXCEPT LAMP UNIT.

CAUTION

(INLET Unit)

5A 250V

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DO NOT REMOVE CABINET.

REFER SERVICING TO QUALIFIED SERVICE

PERSONNEL.

CAUTION

For continued
protection against
a risk of fire,
replace only with
same type 5A
250V fuse.
(F791)

(FILTER Unit)

2A 250V

For continued
protection against a
risk of fire, replace
only with same type
P110A, ANZEN
DENGU, 2A, 250V
117°C fuse.(TF751)

CAUTION

(POWER Unit)

2A 250V

The lighting flash with arrowhead within a
triangle is intended to tell the user that
parts inside the product are risk of electric
shock to persons.

The exclamation point within a triangle is
intended to tell the user that important
operating and servicing instructions are in
the manual with the projector.

CAUTION

For continued
protection against a
risk of fire, replace
only with same type
P100A, ANZEN
DENGU, 2A, 250V
103°C fuse.(TF701)

(OUTPUT Unit)

For continued
protection against a
risk of fire, replace
only with same type

0.8A 60V

SSTC, SOC, 0.8A,
60V fuse.
(F1401, F1402)

A VERTISSEMENT: Source lumineuse de grande intensité. Ne pas fixer le faisceau lumineux ou le regarder

directement. Veiller particulièrement à éviter que les enfants ne fixent directement le
faisceau lumineux.

A VERTISSEMENT : AFIN D’EVITER T OUT RISQUE D’INCENDIE OU D’ELECTR OCUTION, NE P AS PLA CER

CET APPAREIL DANS UN ENDROIT HUMIDE OU MOUILLE.

ATTENTION

RISQUE

D’ELECTROCUTION NE

PASRETIRER LES VIS, A

L’EXCEPTION DES VIS DE

REPARATION UTILISATEUR

SPECIFIEES

L’éclair terminé d’une flèche à l’intérieur
d’un triangle indique à l’utilisateur que les
pi‘eces se trouvant dans l’appareil sont
susceptibles de provoquer une décharge
électrique.

Le point d’exclamation à l’intérieur d’un

ATTENTION: POUR EVITER TOUT RISQUE

D’ELECTR OCUTION, NE PAS RETIRER LE CAPOT.

AUCUNE DES PIECES INTERIEURES N’EST REPARABLE

PAR L’UTILISATEUR, A L’EXCEPTION DE L’UNITE DE

LAMPE. POUR TOUTE REPARATION, S’ADRESSER A UN

PRECAUTION

(Unite d’ADMISSION)

5A 250V

TECHNICIEN D’ENTRETIEN QUALIFIE.

PRECAUTION

Pour une protection
continue contre les
risques d’incendie,
ne remplacer
qu’avec un fusible
5A 250V du même
type.
(F791)

(Unité de FILTRATION)

2A 250V

Pour une protection
continue contre un
risques d’incendie, ne
remplacer qu’avec un
fusible P110A, ANZEN
DENGU 2A 250V,
117°C du même type.
(TF751)

PRECAUTION

(Unité de PUTSSANCE)

2A 250V 0.8A 60V

triangle indique à l’utilisateur que les
instructions de fonctionnement et
d’entretien sont détaillées dans les
documents fournis avec le projecteur.

PRECAUTION

Pour une protection
continue contre un
risques d’incendie, ne
remplacer qu’avec un
fusible P100A, ANZEN
DENGU 2A 250V,
103°C du même type.
(TF701)

(Unité de SORTIE)

Pour une protection
continue contre un
risques d’incendie, ne
remplacer qu’avec un
fusible SSTC, SOC,

0.8A 60V du même
type.
(F1401, F1402)

6

Location of Controls

Numbers next to the part names refer to the main pages in this manual where the topic is explained.

XV-DW100U

Projector

POWER buttons (ON/OFF)

RGB/COMPONENT button

ADJUSTMENT buttons

Front and Top View

MUTE button

POWER indicator

LENS button

INPUT 1 button

INPUT 2 button

VIDEO button

(

/ / / )

Speakers

LAMP REPLACEMENT
indicator

TEMPERATURE WARNING
indicator

VOLUME buttons (

MENU button

FREEZE button

PICTURE MODE button

GAMMA button

AUTO SYNC button

ENTER button

Cooling fan (Exhaust vent)

/ )

Side and Rear View

AUDIO INPUT 1 terminal
(3.5 mm stereo minijack)

INPUT 1 port (HD 15)

15 pin/BNC switch

VIDEO INPUT terminal: RCA

AUDIO INPUT terminals: RCA

control input terminal

Foot releases

RS-232C port

(9-pin Mini DIN)

WIRED REMOTE

Air filter/Cooling fan (Intake vent)

Remote control sensor

Remote control sensor
Cooling fan (Intake vent)

Kensington Security Standard
connector

Carrying handle

INPUT 2 port (HD 15)
AUDIO INPUT 2 terminal

(3.5 mm stereo minijack)
INPUT 1 terminals: BNC (R

R

), G/G sync (Y), B (PB), HD

(P
(C sync), VD)

OUTPUT port (HD 15)

AUDIO OUTPUT terminal
(3.5 mm stereo minijack)

AC socket

S-VIDEO INPUT terminal
(4-pin Mini DIN)

7

XV-DW100U

Operating the Wireless Mouse Remote Control

Remote Control

Front View

MUTE button

POWER buttons

(ON/OFF)

ENTER button

INPUT 2 button

RGB/COMPONENT

MAIN POWER switch

emote control

button

VOLUME buttons
()

/

MENU buttonLENS button

ADJUSTMENT
buttons ( )

FREEZE buttonINPUT 1 button

PICTURE MODE
button

GAMMA buttonVIDEO button

AUTO SYNC button

BACKLIGHT button

/ / /

T op View

Remote control
signal transmitter

Rear View

UNDO
button

Bottom View

Wired remote control
input

Inserting the batteries

Press in on the arrow

13

mark and slide in the
direction of the arrow to
remove the battery cover.

Battery

cover

I

nsert two AA size batteries

2

for the remote control,
making sure their polarities
match the + and – marks
inside the battery
compartment.

Battery

compartment

Insert the side tabs of
the battery cover into
their slots and slide the
cover in until it is
properly seated.

Battery

cover

8

XV-DW100U

Remote Control Positioning

• The remote control can be used to control the projector within the ranges shown below.

• The signal from the remote control can be reflected off the screen for easy operation. However, the effective distance of the
signal may differ due to the screen material.

Controlling the Projector

Remote control

23 (7 m)

30˚

45˚

30˚

45˚

30˚

Remote control

Using the remote control in a dark room

Press BACKLIGHT to turn on the backlights of the operation buttons for about five seconds.

Remote control

BACKLIGHT button

Wired Remote Control

When the remote control cannot be used due to the range or positioning of the projector (rear projection, etc.),
connect a 3.5 mm stereo minijack cable (sold separately) from the wired r emote control input on the bottom of the
remote control to the WIRED REMOTE control input terminal on the rear of the projector.

• The signal transmitter does not operate when the cable is connected to the remote control.

Remote control

3.5 mm stereo minijack cable
(sold separately)

9

XV-DW100U

Connection Pin Assignments

Analog

Computer 1 and 2 Signal Input Ports: 15-pin mini D-sub female connector

5
10
15

RS-232C ort:

RS-232C

P

Terminal: 9-pin Mini DIN connector

Computer Input

Analog

1. Video input (red)

2. Video input
(green/sync on green)

1
6
11

3. Video input (blue)

4. Reserve input 1

5. Composite sync

6. Earth (red)

7. Earth (green/sync on green)

8. Earth (blue)

9-pin D-sub male connector of the DIN-D-sub RS-232C cable

Pin No. Signal Name I/O Reference

51

96

1 CD Not connected
2 RD Receive Data Input Connected to internal circuit
3 SD Send Data Output Connected to internal circuit
4 ER Not connected
5 SG Signal Ground Connected to internal circuit
6 DR Data Set Ready Output Not connected
7 RS Request to Send Output Connected to internal circuit
8 CS Clear to Send Input Connected to internal circuit
9 CI Not connected

9. Not connected

10. GND

11. GND

12. Bi-directional data

13. Horizontal sync signal

14. Vertical sync signal

15. Data clock

9

5

21

8

7

4

Pin No. Signal Name I/O Reference

1 VCC + 3.3 V (Reserved) Output Not connected
2 RD Receive Data Input Connected to internal circuit
3 SD Send Data Output Connected to internal circuit
4 EXIR Detector of Option Unit Input Not connected

36

5 SG Signal Ground Connected to internal circuit
6 ERX IR Receive Signal from Input Not connected

7 RS Request to Send Output Connected to internal circuit
8 CS Clear to Send Input Connected to internal circuit
9 ETX IR Transmit Signal Output Not connected

(Reserved)

IR Amplifire (Reserved)

(Reserved)

10

Dimensions

(356)

64

/

1

14

Rear View

T op View

(19.5)

64

/

49

(53)

64

/

5

2

(282)

32

/

3

11

XV-DW100U

Side View

(60.5)

8

/

3

2

(55.5)

16

/

3

2

(129)

64

/

5

5

10 9/32 (261)

9

1

/64 (29)

53

/64 (199)

7

Front View

(71)

64

/

51

(17) 2

64

/

43

Bottom View

11

Units: inches (mm)

XV-DW100U

REMOVING OF MAJOR PARTS

1.Removing the Intake cover, lamp unit and lens cover.

1-1. Detach the Intake cover.
1-2. Remove the four lock screws off the inner filter frame. Detach the frame.
1-3. Remove the lock screw off the lamp cover. Slide and detach the lamp cover.
1-4. Remove the three lock screws off the lamp unit and detach the lamp unit.
1-5. Remove the lens cover lock screw, and turn and detach the lens cover.

2.Removing the rear cabinet.

2-1. Remove the four lock screws off the terminal board.
2-2. Remove the six lock screws off the rear cabinet. Detach the rear cabinet.

1-1

Intake Cover

2-1

Lamp Unit

1-4

1-2

Inner Filter Frame

1-5

Lens Cover

2-2

1-3

Lamp Cover

Rear Cabinet

12

XV-DW100U

3.Removing the top cabinet.

3-1. Remove the four lock screws off the top cabinet.
3-2. Unhook the top cabinet by pressing the center of both sides of the bottom cabinet as well as the hook on the

front (all marked with `). Slowly lift the back of the cabinet and disconnect the operation key unit connector
(KY) and the speaker connector (SP). Then detach the top cabinet.

Operation Key Unit

Top Cabinet

3-1

`

`

(SP)

3-2

(KY)

3-1

`

13

XV-DW100U

4.Removing the PWB units

4-1. Remove the five lock screws off the PC I/F unit. Lift and detach the unit off the output unit.
4-2. Disconnect the connectors from the output unit.
4-3. Remove the four lock screws off the output units. Remove also the lock screw off the ground fixture and

detach the ground fixture. Lift and detach the output, terminal and signal units.

Optical Mechanism Unit

(FD)

(F)

(AZ)

(FE)

Output Unit

Output Unit

(EA)

(RP)

(GP)

(BP)

(RA) (D)(Q)(L) (FA)(SO)(FB)

4-3

4-1

PC I/F Unit

4-2

Terminal Unit

Ground Fixture

Signal Unit

4-3

Bottom Cabinet

14

5.Removing the optical mechanism unit

5-1. Remove the two lock screws off the lamp socket holder. Detach the holder.
5-2. Disconnect the ground wire from the power unit.
5-3. Remove the six lock screws off the optical mechanism unit. Lift and detach the unit.

XV-DW100U

5-3

Optical Mechanism Unit

5-1

Duct Fan Unit

5-2

15

XV-DW100U

6.Removing the ballast / filter / sound-out unit assembly.

6-1. Disconnect the connector (BA) from the AC power switch.
6-2. Disconnect the ground wire from the inlet unit.
6-3. Remove the two lock screws off the ballast/filter/sound-out unit assembly. Detach the assembly.

7.Removing the power unit

7-1. Remove the three lock screws off the power PWB. Detach the power unit.

8.Removing the AC power switch and inlet unit.

8-1. Remove the two lock screws off the AC power switch, disconnect the connector (PA) from the inlet unit, and

detach the AC power switch and the inlet unit.

6-2

Power Unit

7-1

6-3

to Inlet Unit

Ballast/Filter/
Sound-Out Unit

Inlet Unit

6-1

8-1

(BA)

(PA)

AC Power Switch
(for Lamp replacement)

16

XV-DW100U

RESETTING THE T OTAL LAMP TIMER

When the lamp has been replaced, reset the total lamp timer in the following steps.
Resetting procedure

1. While holding down the “ENTER”, “ADJ."” and “ADJ.|” keys on the set at the same time, turn on the POWER
ON key.

2. Now the total lamp timer is reset to zero. “000H” appears on the screen.

ENTER ADJ." ADJ.|

Lamp

The lamp in this projector operates for approximately 2,000 cumulative hours, depending on the usage environ­ment. It is recommended that the lamp be replaced after 1,900 cumulative hours of ues or when you notice a
significant deterioration of the picture and color quality. The lamp usage time can be checked with the On-screen
Display.

Maintenance Indicator

TEMPERATURE
WARNING indicator

LAMP REPLACE­MENT indicator

POWER indicator

The internal
temperature is
abnormally high.

The lamp does
not light up.

The POWER
indicator flashes
in red when the
projector is on.

Condition

· Blocked air intake.

· Clogged air filter.

· Cooling fan breakdown.

· Internal circuit failure.

· Burnt-out lamp.

· Lamp circuit failure.

· The bottom filter cover is
open.

Problem

Possible Solution

· Relocate the projector to an area with
proper ventilation.

· Clean the filter.

· Take the projector to your nearest Au­thorized Sharp Industrial LCD Products
Dealer or Service Center for repair.

· Carefully replace the lamp.

· Take the projector to your nearest Au­thorized Sharp Industrial LCD Products
Dealer or Service Center for repair.

· Securely install the bottom filter cover.

17

XV-DW100U

THE OPTICAL UNIT OUTLINE

Layout of the optical system

Note: Layout for positioning the optical system.

Projection Lens

Dichroic coating
(B reflection)

Incident polarizing plate B

Dichroic coating
(B transmission)

Marking

M6

BLUE

B reflector

G03 L2

Relay lens 3

Relay lens 2

G02 L2

AL-coated mirror B

M4

AL-deposited face

B-LCD

Cross dichroic prism

G-LCD

Incident polarizing plate G

Marking

G01

Relay lens 1

Condenser lens G

GREEN

BLUE

G reflector

* M3

R-LCD

Dichroic coating

(G transmission)

Dichroic coating

PBS(polarization
beam splitter)

Incident polarizing plate R

Dichroic coating
(R transmission)

AL-coated mirror R

M5

Condenser lens R

AL-deposited face

RED

Marking

(R reflection)

M2

B/G reflector

* The M3 mirrors have a coating

wedge (for different film thick­ness). Set up these mirrors, with
their markings positioned as
shown above, so that their
coated faces and both sides be
in the correct directions.

UHP lamp

(Light source)

L1

AL-deposited
face

Fly-eye lens (outgoing light)

UV-IR coating

Fly-eye lens (incoming light)

18

M1

AL-coated mirror W

PBS aperture

XV-DW100U

CONVERGENCE AND FOCUS ADJUSTMENT

» Start the convergence and focus adjustments with the top cabinet and the LCD cover

removed but the power on. Use the remote control to adjust the image. Take the follow­ing procedures.

1. Focusing the projection lens

(A) Replacing all the 3 LCD panels

1. Before replacing all the 3 LCD panels, project an image on the screen and bring it into focus.

2. Replace the panels with new ones. But until the focus has been completely readjusted, be careful not to
change the distance between the set and the screen, nor to move the projection lens focus and zoom
rings.
If the focus is readjusted with a different positional relation, the relation betw een the projection distance
and the screen size is affected. In other words, a short-distance image (40 WIDE, for example) ma y get
out of the focus range, or a long-distance image (300 WIDE, for example) may come out of focus.

(B) Replacing 1 or 2 of the 3 LCD panels

1. In adjusting the focus after replacement of one or two LCD panels, project an image on the screen and turn
the projection lens focus ring to get the non-replaced LCD panel into focus.

2. But until the focus has been completely adjusted for the new LCD panels, be careful not to change the
distance between the set and the screen, nor to move the projection lens focus and zoom rings.
(If the distance has been changed or the projection lens readjusted, repeat the above steps 1 and 2.)

2. Adjusting the G-LCD panel

(A) Focus adjustment. (Make this adjustment on the white-only screen.)

1. Right-and-left focus adjustment (θY direction) .
Loosen the lock screws "b" and "c" and insert the eccentric screwdriver into the notch and hole "b". Turn
the screwdriver until the right and left halves on the screen get into focus.
First get the right and left halves in balance. Then improve the accuracy while making the adjustment 2
below.

2. Top-center-bottom focus adjustment (θX and Z directions).
Loosen the lock screws "a" and "c" and insert the eccentric screwdriver into the notch and hole "a" or "c".
Turn the screwdriver until the top, center and bottom on the screen get into focus. In adjusting this top-to­bottom focus, temporarily tighten the lock screw "b" to fix the θY direction adjustment.

3. Repeat the above steps 1 and 2 to finely adjust the focus. Finally tighten up all the lock screws.

Notes :

1 Carefully proceed with the focus adjustment because the adjusting directions are correlated.
2 In adjusting the convergence and focus, do not move the projection lens zoom and focus rings until the end

of all the adjustments.

(B) Convergence adjustment

» The G-LCD panel has no convergence adjustment mechanism. Use this panel as convergence adjustment

reference.

3. B-LCD panel adjustment (the same for the R-LCD panel)

(A) Focus adjustment

» Take the same procedure as for the G-LCD panel focus adjustment. Note that the adjustment r ange is small

in the Z direction. If the con vergence is quite diff erent between the B-LCD and G-LCD panels, roughly adjust
the convergence first and then the focus.

(B) Convergence adjustment

» Use a crosshatch pattern signal for this adjustment.

Make the adjustment just for the G-color and the relevant color.
(1) Loosen the convergence lock screw "d".
(2) With the G-LCD panel’s screen center as ref erence, adjust the B-LCD panel in the X, Y and θZ directions.
(3) Finally tighten up the convergence lock screw "d".

19

XV-DW100U

Notes :

1 The eccentr ic cam is used for convergence adjustment. This means that the cam’s turning and the linear

movement are not always uniform.

2 This model is not equipped with the LCD image adjustment mechanism. This is because the dichroic prism

is used for image formation. When the LCD panels all get into the best focus, the images are almost
completely converged.

Convergence and Focus Adjustments Mechanism

TOP VIEW

Lock screw "a"

Notch and hole "a"
(Use an eccentric
screwdriver.)

FRONT

R-LCD

B-LCD

Z

X

θY

Lock screws "c"

Notch and hole "c"
(Use an eccentric screwdriver.)

Notch and hole "b"
(Use an eccentric
screwdriver.)

G-LCD

Lock screw "b"
(θY direction)

Notch and
hole "c"
(Use an eccentric
screwdriver.)

X

Z

SIDE VIEW

G-LCD panel
mounting screws

θY

G-LCD

G adjusting plate

SIDE VIEW (from inside)

Eccentric cam
(X direction adjustment)

Eccentric cam
(Y direction adjustment)

R•B adjusting plate

R•B-LCD

SIDE VIEW (from outside)

Eccentric cam
(θZ direction adjustment)

Lock screw "d"
(convergence
adjustment)

Y

X

θZ

R•B-LCD

R•B adjusting plate

R•B-LCD panel
mounting screws

20

Convergence and Focus Adjustments at a Glance

2

5

16

R2

50

CUT

Adjustment directions

Adjustment Direction Definition Direction of LCD panel

X direction LCD right and left

Convergence Y direction LCD top and bottom

θZ direction Rotation around Z axis LCD turning axis
Z direction LCD optical axis

Focus θX direction Rotation around X axis LCD top-to-bottom flapping

θY direction Rotation around Y axis LCD right-to-left flapping

Convergence and Focus Adjustment for the Optical Mechanism

XV-DW100U

Color Adjustment Direction

X direction ±0.8mm Eccentric cam Eccentric cam adjusting wrench d Hex wrench

Convergence Y direction ±0.8mm Eccentric cam Eccentric cam adjusting wrench d Hex wrench

R/B θZ direction ±1° Eccentric cam Eccentric cam adjusting wrench d Hex wrench
colors Z direction ±0.8mm

Focus θX direction ±1°

θY direction ±1°

Z direction ±0.2mm

G color Focus θX direction ±1° Same as for R and B colors

θY direction ±1°

Movement

Position Adjusting tool

Notch and hole "a" & "c"
Notch and hole "a" & "c"
Notch and hole "b" & "c"

Eccentric screwdriver a, c

Lock screw

a, c

b, c

Tightening tool

Phillips
screwdriver,
*Hex wrench

Focus Adjustments the Other Way

Lock screw Position Related direction

a Notch and hole "a" Z and θX directions
b Notch and hole "b" θY direction
c Notch and hole "c" Z, θX and θY directions

Convergence and Focus Adjusting and Tightening Tools

Tool Specific or General Tool code Configuration

Eccentric cam Specific 9DASPN-XGNV1U
adjusting wrench

80

Eccentric screwdriver Specific 9EQDRiVER-NV1A

100

Hex wrench General (redesigned) 9EQLNC-XGNV1U

Phillips screwdriver General — For M2.6 pan-head machine screw
*Hex wrench General —

21

Preferably use a 70 mm or longer
screwdriver (with a handle).

XV-DW100U

Replacing the LCDs

With the top cabinet removed

(1)Disconnect the LCD flat cable from the output PWB connector.
(2)Remove the lock screws "b" and "c". Detach the R/B adjusting plate or the G adjusting plate together with the LCD

panel.
(3)Separate the LCD panel from the adjusting plate.
(4)Mount a new LCD panel in the reverse order of the above steps (1), (2) and (3).

~ Readjust the convergence and focus. Note that the G-LCD panel needs no convergence adjustment and has

a small adjustment range in the Z direction.

TOP VIEW

Lock screws "c"

R-LCD

FRONT

2

SIDE VIEW

2

Lock
screws "c"

Lock
screws "b"

2

G-LCD

X

θY

Z

~

θY

X

B-LCD

2

Lock screws "c"

Z

SIDE VIEW

G adjusting plate

G-LCD

R•B-LCD

R•B adjusting plate

3

R•B-LCD panel
mounting screws

22

X

θZ

Y

G-LCD panel

3

mounting screws

XV-DW100U

Adjusting the optical axis of the mirrors (M1, M5 and M6)

The optical axis must be readjusted if an eclipse happens with the R. G or B mirrors. Generally speaking,
this adjustment is needed when any of the internal optical components has been replaced.

Adjustment procedure required when any of the panels has been replaced or the convergence has been
adjusted

(1)Disconnect the flat cables of all the LCD panels.
(2)Let the lamp light up.
(3)To adjust the G mirror, shield the R and B mirrors with shielding plates (You can use a business card or the like to

block the light).
(4)Loosen the lock screw of the M1 adjust lever.
(5)Looking at the G image on the screen, turn or slide the M1 adjust lever until the eclipse on the screen disappears.

Tighten up the screw.
(6)To adjust the R mirror, shield the G and B mirrors and adjust the M5 adjust lever. For the B mirror, shield the R and

G mirrors and adjust the M6 adjust lever.

(Take the same steps 4 and 5 above.)
(7)Remove all the shielding plates to have a white image.

Make sure there is no eclipse.

M6

Lock screws

Shielding plate B

adjust lever

slide

turn

FRONT

Shielding plate R

M5

Shielding plate G

adjust lever

Lock screws

turn

slide

23

slide

turn

M1

adjust lever

Lock screws

XV-DW100U

Adjusting the lamp duct.

Lock screws

Lamp duct

turn

Cooling-Fan (Exhaust)

Adjustment procedure reguired when the lamp has been replaced and you can see ununifomity. (Case of
Right and Left have ununifomity on the screen)

(1)Let the lamp light up.
(2)Receive the white pattern signal at 100%.
(3)Loosen the lock screws of the lamp duct.
(4)Looking at the white image on the screen, turn the lamp duct until the unif ormity comes to best point on the screen.
(5)Tighten the lock screws of the lamp duct. (Tighten torque is 10±2kg·cm)

24

XV-DW100U

ELECTRICAL ADJUSTMENT

Hook up a signal generator, or a DOSV or Mac personal computer to the projector in order to feed the
signals specified in the Adjusting conditions.

No. Adjusting point Adjusting conditions Adjusting procedure

1 EEPROM

initialization

1. Turn on the power (make
sure the lamp lights up) and
warm up the unit for 15 min­utes.

» Make the following settings:

Press S5001 to call up the process mode and ex­ecute S2 and S4 in the SSS menu. Now the system,
with the PC board not included, is initialized. Do not
execute S1 because otherwise the PC board will be
initialized.
T o adjust the PC board, f ollow the instruction in "Ad­justing the PC Interface". (See page 33)

2 3.3V power

supply
adjustment

3 2.6V power

supply
adjustment

4 R drive 1. Make the following choice.

1. Turn on the power.

2. Connect the digital voltme­ter to TP8083.

1. Turn on the power.

2. Connect the digital voltme­ter to TP8082.

Group : A/D
Subject : GAIN
Make sure the GAIN value
is 155.

2. F eed the 100% red-only sig­nal. Make the following
choice.
Group : A/D
Subject : R-D

» Adjust VR704 so that the voltmeter should read

3.300 V ±100 mV.

» Adjust VR705 so that the voltmeter should read 2.600

V ±50 mV.

» Using the control switches or the remote controller

buttons, adjust the data so that the signal becomes
bit-less (noise).

5 B drive 1. Feed the 100% blue-only

signal. Make the following
choice.
Group : A/D
Subject : B-D

6 G drive 1. Feed the 100% green-only

signal. Make the following
choice.
Group : A/D
Subject : G-D

» Using the control switches or the remote controller

buttons, adjust the data so that the signal becomes
bit-less (noise).

» Using the control switches or the remote controller

buttons, adjust the data so that the signal becomes
bit-less (noise).

25

XV-DW100U

No. Adjusting point Adjusting conditions Adjusting procedure

7 RGB1 black

level signal
amplitude

8 Offset voltage

adjustment

1. Select the following group
and subjects for green.
Group : OUTPUT1
Subject : G1-BLK, G1-GAIN
Select the following sub­jects for red
Subject : R1-BLK, R1-GAIN
Select the following sub­jects for blue
Subject : B1-BLK, B1-GAIN

2. Make sure the process ad­justment color bars appear
onscreen.

3. Connect the oscilloscope to
TP1201 (G) for green.

4. Similarly connect it to
TP1101 (R) for red and
TP1301 (B) for blue .

1. Feed the 50% gray pattern
signal.

2. Select the following subject.
Group : OUTPUT2
Subject : R-OFFSET

» Select G1-GAIN and using the control switch or the

button on the remote controller, adjust the signal
amplitude to 3.25 ±0.05 Vp-p.

» Select G1-BLK and using the control switch or the

button on the remote controller , adjust the white-to­white level to 2.5 ±0.1 Vp-p.

» Make the same adjustments for red and blue too.

2.5Vp-p

3.25Vp-p

* The G1-related adjustments are interlock ed with all

the other-color adjustments. When the G1-BLK le vel
is changed, therefore, the R1-BLK and B1-BLK v al­ues vary accordingly. When the G1-GAIN level is
changed, the R1-GAIN and B1-GAIN values vary
accordingly. First make the G adjustments and then
go for red and blue.

» Select the subject R-OFFSET. Make such adjust-

ment that the signal level at the top center 1 and
that at the bottom center 2 of the output wavef orm
on the instrument screen be the same.

Before adjustment

1

Select the subjects G-OFF­SET and B-OFFSET for the
green and blue colors, re­spectively.

3. Connect the instrument to
TP1101 and TP1104 (R).

4. Connect the instrument to
TP1201 and TP1204(G) f or
green, and TP1301 and
TP1304(B) for blue.

9 P SIGNAL 1. Connect the oscilloscope to

TP1102 for red.

TP1202 for green
TP1302 for blue.

2. Make the following choice:
Group : OUTPUT 2
Subject : PSIG-H

: PSIG-L

2

After adjustment

» Make the same adjustments for green and blue.

» Adjust the PSIG waveform to the one shown below.

PSIG

2.5V DC 5.0V DC
(Adjust with PSIG-L.)(Adjust with PSIG-H.)

GND

» For the green and blue colors, make sure their wave-

forms are similar to that of the red color.

26

No. Adjusting point Adjusting conditions Adjusting procedure

XV-DW100U

10 Sample-and-

hold pulse
phase
RCK-PHASE
GCK-PHASE
BCK-PHASE

11 RGB counter-

voltage
adjustment

12 RGB gradation

reproduction

1. Feed the XGA mode 75-Hz
black signal.

2. Make the following choice:
Group : OUTPUT 3
Subject : SH-PHASE
(Have the standard level at

8.)
Fix the RCK-, GCK- and
BCK-PHASE settings all to

8.

1. Feed the black-and-red
(25%) stripe signal (XGA).

2. Make the following choice:
Group : OUTPUT 3
Subject : RC (R)

1. Feed the Inforcom gray
scale and color pattern sig­nal.

2. Select the following group
and subject.
Group : OUTPUT1
Subject : G1-BLK

» Using the control switches or the remote controller

buttons, make sure that the “OUTPUT 3” charac­ters are not blurry and there is no ghost image. If
such blur or ghost occurs, finely adjust the setting
in the range of 7~9.

» Using the control switches or the remote controller

buttons, adjust the data in order to minimize the
flicker.

» Make the same adjustment for BC (B) and GC (G).
» See if the image is equally adjusted at the center

and both sides of the screen. If not, readjust the
setting to have the image equal at right and left.

» Make sure the 251 (white) tone, shown below, ap-

pears noticeable. Be also sure that the 8 (black) tone
can be identified.

» If the white tone does not look as specified, finely

adjust the G1-BLK level.

4 8 12

13 RGB white

balance

14 Horizontal

center

1. Feed the 32-step gray scale
signal (XGA 60Hz).
Group : OUTPUT 1
Subject : R1-BLK (R)

B1-BLK (B)

1. Feed the NTSC mono­scope pattern signal.

2. Group : VIDEO 2
Subject : N358-DLY (0)

N443-DLY (0)
PAL-DLY (0)
SECAM-DLY (0)

Make sure the settings are

as above.

3. Group : VIDEO 1
Subject : NTSC-H

249 251 253

» Adjust the R1-BLK and B1-BLK levels to achieve the

specified gradation balance.
(Adjust to the best point.)

» Using the control switches or the remote controller

buttons, adjust the data to hav e the same ov erscan.

27

XV-DW100U

No. Adjusting point Adjusting conditions Adjusting procedure

15 Video picture

adjustment

16 Video offset 1. Feed the base-band (color

1. Feed the split color bar sig­nal.
Group : VIDEO 1
Subject : PICTURE

2. Connect the oscilloscope
between pin (1) of P801
and GND.

bar) signal. (The ON-AIR
signal is not allowed be­cause of its too much noise.)

2. Select the following group
and subjects.
Group : VIDEO2
Subject : VROS (R), VGOS

(G), VBOS (B)

3. Press the control switch or
the mute button on the re­mote controller. (Now the
gamma correction process
is set up.)

» Using the control switches or the remote controller

buttons, adjust the black-to-white (100%) level dif­ference to 2.3 ±0.02 Vp-p.

100% White

2.3Vp-p

» Using the control switch or the button on the remote

controller, adjust the data so that the black signal
becomes bitless.

17 Video bright-

ness

18 Video AGC 1. Feed the split color bar sig-

1. Feed the base-band (color
bar) signal. (The ON-AIR
signal is not allowed be­cause of its too much noise.)

2. Select the following group
and subject.
Group : VIDEO1
Subject : BRIGHT

3. Press the control s witch or the
mute button on the remote
controller. (Now the gamma
correction process is set up.)

nal.

2. Select the following group
and subject.
Group : VIDEO1
Subject : AGC

3. Connect the oscilloscope
between Pin (1) of P801
and GND.

» Using the control switch or the button on the remote

controller, adjust the data until the b lack signal drops
12 points below the bitless position.

» Using the control switch or the button on the remote

controller, adjust the data so that the 100% white
signal becomes bitless.

4. Press the control switch or the
mute button on the remote
controller. (Now the gamma
correction process is set up.)

28

No. Adjusting point Adjusting conditions Adjusting procedure

XV-DW100U

19 Tint 1. Feed the split color bar sig-

nal.
Group : VIDEO 1
Subject : TINT

2. Connect the oscilloscope to
pin (4) of P801.

20 NTSC color

saturation level

1. Feed the split color bar sig­nal.
Group : VIDEO 1
Subject : N-COLOR

2. Connect the oscilloscope to
pin (1) of P801.

21 PAL color

saturation level

1. Feed the P AL color bar sig­nal.
Group : VIDEO 1
Subject : P-COLOR

» Using the control switches or the remote controller

buttons, adjust the data to have the -(B-Y) wave­form downhill straight.

» Using the control switches or the remote controller

buttons, adjust the difference betw een the 100% white
portion and the red portion to 0.30 ±0.02 Vp-p.

(same as 100% white)

100% White Red

» Using the control switches or the remote controller

buttons, adjust the difference betw een the 100% white
portion and the red portion to 0.36 ±0.02 Vp-p.

100% White Red

22 SECAM color

saturation level

23 Video input

panel signal
amplitude

2. Connect the oscilloscope to
pin (1) of P801.

1. Feed the SECAM color bar
signal.
Group : VIDEO 1
Subject : S-COLOR

2. Connect the oscilloscope to
pin (1) of P801.

1. Feed the NTSC 10-step sig­nal.

2. Select the following group
and subjects.
Group : VIODE2
Subject : R1-GAIN

B1-GAIN

3. Connect the oscilloscope to
TP1101 (R) and TP1201
(G).

4. Similarly connect it to
TP1301 (B) and TP1201
(G) for blue.

» Using the control switches or the remote controller

buttons, adjust the difference betw een the 100% white
portion and the red portion to 0.50 ±0.02 Vp-p.

100% White Red

» Select R1-GAIN and adjust the data so that the R

signal amplitude and the G signal amplitude are the
same.

» Make the same adjustment for blue too.

29

XV-DW100U

No. Adjusting point Adjusting conditions Adjusting procedure

24 Video white

balance

25 DVD Contrast 1. Feed the 100% color bar

26 DVD Tint 1. Feed the 100% color bar sig-

1. Feed the NTSC mono­scope pattern signal
Group : VIDEO 2
Subject : R1-BLK

B1-BLK

signal (480I component sig­nal) to the G(Y) input termi­nal of BNC connector.

2. Select the following subject.
Group : DVD
Subject : CONTRAST

nal (480I component signal)
to the Y, Pb and Pr input ter­minals of BNC connector.
The sync signal alone is sent
for the Y signal.

» Using the control switches or the remote controller

buttons, adjust so that the entire screen looks ev enly
colorless.

» Using the control switch or the button on the remote

controller, adjust the data so that the 100% white
signal becomes bitless.

» Using the control switch or the button on the remote

controller, adjust the B-Y wa vef orm to form a straight
slope.

2. Select the following subject.
Group : DVD
Subject : TINT

3. Connect the oscilloscope to
pin (2) of P803.

27 DVD Color 1. Feed the 100% color bar

signal (480I component sig­nal) to the G(Y) input termi­nal of BNC connector.

2. Select the f ollowing subject.
Group : DVD
Subject : COLOR

3. Connect the oscilloscope to
pin (1) of P803.

» Using the control switches or the remote controller

buttons, adjust the diff erence between the 100% white
portion and the red portion to 0.10 ±0.02 Vp-p.

100% White Red

30