Sharp PGC20XU, PG-C20XE, AN-Z7T Service Manual

PG-C20XU PG-C20XE

AN-Z7T

SERVICE MANUAL SERVICE-ANLEITUNG

S31Q7PG-C20XU

LCD PROJECTOR LCD PROJEKTOR

PG-C20XU PG-C20XE

ATTACHMENT ADAPTOR

MODELS

ANSCHLUSSADAPTER

MODELLE

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.

Im lnteresse der Benutzersicherheit (erforderliche Sicherheitsregeln in einigen Ländern) muß das Gerät in seinen Originalzustand gebracht werden. Außerdem dürfen für die spezifizierten Bauteile nur identische Teile verwendet werden.

AN-Z7T

SHARP CORPORATION

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

PG-C20XU PG-C20XE

AN-Z7T

• SPECIFICATIONS ............................................. 3

• IMPORTANT SERVICE SAFETY

NOTES (for USA)............................................... 4

• NOTE TO SERVICE PERSONNEL ................... 5

• OPERATION MANUAL ...................................... 8

• REMOVING OF MAJOR PARTS ..................... 13

• RESETTING THE TOT AL LAMP TIMER ......... 19

• THE OPTICAL UNIT OUTLINE........................ 20

• ELECTRICAL ADJUSTMENT.......................... 23

• TROUBLE SHOOTING TABLE ........................ 31

• CHASSIS LAYOUT .......................................... 80

• BLOCK DIAGRAM ........................................... 82

• OVERALL WIRING DIAGRAM ........................ 84

CONTENTS

Page Page

• DESCRIPTION OF SCHEMATIC DIAGRAM ... 86

• WAVEFORMS .................................................. 87

• SCHEMATIC DIAGRAM .................................. 88

• PRINTED WIRING BOARD ASSEMBLIES ... 128

• P ARTS LIST

ELECTRICAL PARTS............................... 134

CABINET AND MECHANICAL PARTS .... 149

ACCESSORIES PARTS........................... 153

P ACKING PARTS..................................... 153

• PACKING OF THE SET ................................. 154

• A TT ACHMENT ADAPTOR............................. 155

Seite Seite

• TECHNISCHE DATEN..................................... 43

• HINWEISE FÜR DAS

WARTUNGSPERSONAL................................. 44

• BEDIENUNGSANLEITUNG............................. 45

• ENTFERNEN DER HAUPTTEILE ................... 50

• RÜCKSTELLEN DES

LAMPENBETRIEBSZEIT-TIMERS.................. 56

• BESCHREIBUNG DER OPTIK-EINHEIT ........ 57

• ELEKTRISCHE EINSTELLUNG ...................... 60

• FEHLERSUCHTABELLE ................................. 68

• CHASSIS-ANORDNUNG ................................ 80

• BLOCKSCHALTBILD ....................................... 82

• GESAMTSCHALTPLAN................................... 84

• BESCHREIBUNG DES SCHEMATISCHEN

INHAL T

• WELLENFORMEN........................................... 87

• SCHEMATISCHER SCHALTPLAN.................. 88

• LEITERPLATTENEINHEITEN ....................... 128

• ERSATZTEILLISTE

• VERPACKEN DES GERÄTS ......................... 154

• ANSCHLUSSADAPTER ................................ 155

SCHALTPLANS ............................................... 86

ELEKTRISCHE BAUTEILE ...................... 134

CEHÄUSE UND MECHANISCHE

BAUTEILE ................................................ 149

ZUBEHÖRTEILE...................................... 153

VERPACKUNGSTEILE ............................ 153

Specifications

Product type LCD Projector

Video system PAL / PAL 60 / PAL- M / PAL- N / SECAM / NTSC 3.58 / NTSC 4.43 / DTV 480P

Display method LCD panel X 3,RGB optical shutter method

LCD panel Panel size:0.9" (22.9mm) (13.9 [H ] X 18.5 [W ] mm))

Projection lamp DC 150 W lamp

Contrast ratio 500:1

Video input signal RCA Connector:VIDEO,composite video,1.0 Vp-p,sync negative,75 Ω terminated

S-video input signal 4-pin Mini DIN connector

Horizontal resolution 580 TV lines (video input)

Audio output 1.0 W (monaural)

Computer RGB input signal 15-PIN MINI D-SUB CONNECTOR (COMPUTER INPUT 1 port,COMPUTER OUTPUT port):

Pixel clock 12 – 108 MHz

Vertical frequency 43 – 85 Hz

Horizontal frequency 15 – 80 kHz

Computer control signal 9-pin Mini DIN female connector (RS-232C port)

Speaker system 1 7⁄64" (2.8 cm) round

Rated voltage AC 100 – 240 V

Input current 2.6 A

Rated frequency 50/60 Hz

Power consumption 230 W (Selecting "OFF" in the "Power Save Mode".)

Operating temperature 41 °F to 95 °F (+ 5 °C to + 35 °C)

Storage temperature− 4 °F to 140 °F (− 20 °C to + 60 °C)

Cabinet Plastic

I/R carrier frequency 38 kHz

Dimensions (approx.) 10 15⁄64" (W) X 2 29⁄32" (H) X 8 5⁄32" (D)(260 X 74 X 207 mm)(main body only)

Weight (approx.) 5.73 lbs.(2.6 kg)

Supplied accessories Remote control, Two AAA size batteries, Power cord (11' 10" ,3.6 m), Computer RGB cable (9' 10"

Replacement parts Lamp unit (Lamp/cage module) (BQC-PGC20X//1), Remote control (RRMCG1613CESA), AAA

PG-C20XU PG-C20XE

AN-Z7T

Model PG-C20XU/XE

Display method:Translucent TN liquid crystal panel Drive method:TFT (Thin Film Transistor)Active Matrix panel No.of dots:786,432 dots (1,024 [H ] X 768 [V ])

Lens 1 – 1.2X zoom lens, F2.3 – 2.6, f = 36.0 – 43.2 mm

RCA Connector:AUDIO,0.5 Vrms more than 22 kΩ (stereo) Y (luminance signal):1.0 Vp-p,sync negative,75 Ω terminated

C (chrominance signal):Burst 0.286 Vp-p,75 Ω terminated

RGB separate/composite sync/sync on green type analog input:0 – 0.7 Vp-p,positive,

75 Ω terminated STEREO MINIJACK:AUDIO,0.5 Vrms,more than 22 kΩ (stereo) HORIZONTAL SYNC.SIGNAL:TTL level (positive/negative)or composite sync (Apple only) VERTICAL SYNC.SIGNAL:Same as above

200 W (Selecting "ON" in the "Power Save Mode".)

10 15⁄64" (W) X 3 15⁄64" (H) X 8 5⁄32" (D)(260 X 82 X 207 mm)(including adjustment feet and projecting parts)

,3 m), Computer audio cable (9' 10", 3 m), PS/2 mouse control cable (3' 3", 1 m), USB mouse control cable (4' 1 1" ,1.5 m), DIN-D-sub RS-232C cable (6 45⁄64" ,15 cm), Remote mouse receiver, Extra air filter, Lens cap (attached), Lens cap strap, CD-ROM,

size batteries, Power cord (CACCU5013DE01 (PG-C20XU), QACCV4002CEZZ (PG-C20XE), QACCB5024CENA (PG-C20XE)), Computer RGB cable (QCNWG0002CEZZ), Computer audio cable (QCNW-4870CEZZ), PS/2 mouse control cable (QCNW-5113CEZZ), USB mouse control cable (QCNW-5680CEZZ), DIN-D-sub RS-232C cable (QCNW-5288CEZZ), Remote mouse receiver (RUNTK0694CEZZ), Air filter (PFILD0123CEZZ), Lens cap (PCOVZ1095CEKA), Lens cap strap (UBNDT0013CEZZ), CD-ROM (UDSKA0029CEN1 (PG-C20XU), UDSKA0048CEN1 (PGC20XE)), LCD projector operation manual (TINS-7204CEZZ (PG-C20XU), TINS-7271CEZZ (PGC20XE)), LCD projector quick reference guide (TINS-7205CEZZ (PG-C20XU), TINS-7272CEZZ (PG-C20XE), TINS-7284CEZZ (PG-C20XE), TINS-7285CEZZ (PG-C20XE))

This SHARP projector uses LCD (Liquid Crystal Display)panels.These very sophisticated panels contain 786,432 pixels (RGB)TFTs (Thin Film Transistors).As with any high technology electronic equipment such as large screen TVs,video systems and video cameras,there are certain acceptable tolerances that the equipment must conform to.

Specifications are subject to change without notice.

This unit has some inactive TFT s within acceptable tolerances which may result in illuminated or inactive dots on the picture screen.This will not affect the picture quality or the life expectancy of the unit. If you have any questions about this matter,please call toll free 1888-GO-SHARP (1-888-467-4277). U.S.A.ONLY

PG-C20XU

PG-C20XE

AN-Z7T

IMPORTANT SERVICE SAFETY NOTES (for USA)

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. AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the unit to the owner.

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

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

AVERTISSEMENT: La composante bimétallique dispose du

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

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PG-C20XE

AN-Z7T

NOTE TO SERVICE PERSONNEL

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UV-RADIATION PRECAUTION

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

A VOID 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

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PRECAUTION POUR LES RADIATIONS UV

La source de lumière, la lampe UHP, 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 BQCPGC20X//1 rated 100V/200W.

4. The lamp emits small amounts of UV-Radiation, avoid 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 BQC-PGC20X//1, caractéristique 100V/200W.

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.

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AN-Z7T

UV-RADIATION PRECAUTION (Continued)

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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

Reflector

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.

PRECAUTION POUR LES RADIATIONS UV (Suite)

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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.]

Lampe

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 exhaust fans, it is recommended to place the cap of the optional lens on the opening during servicing to avoid eye and skin exposure.

Comme de petites quantités de radiation UV sont émises par une ouverture entre les ventilateurs aspirants, il est recommandé de placer le capuchon de l’optique optionnelle sur l’ouverture pendant l’entretien pour éviter une exposition des yeux et la peau.

PG-C20XU

PG-C20XE

AN-Z7T

WARNING: High brightness light source, do not stare into the beam of light, or view directly . 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 P ARTS EXCEPT LAMP UNIT.

CAUTION

(INLET Unit)

15A 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 15A 250V fuse. (F1701)

(INLET Unit)

1A 250V

For continued protection against a risk of fire, replace only with same type 1A 250V fuse. (F1702)

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.

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

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 TOUT RISQUE D’INCENDIE OU D’ELECTROCUTION, NE P AS PLACER

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’ELECTROCUTION, NE PAS RETIRER LE CAPOT.

AUCUNE DES PIECES INTERIEURES N’EST REP ARABLE

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

LAMPE. POUR TOUTE REP ARATION, S’ADRESSER A UN

PRECAUTION

(Unite d’admission)

15A 250V

TECHNICIEN D’ENTRETIEN QUALIFIE.

PRECAUTION

Pour une protection continue contre les risques d’incendie, ne remplacer qu’avec un fusible 15A 250V du même type. (F1701)

(Unite d’admission)

1A 250V

Pour une protection continue contre les risques d’incendie, ne remplacer qu’avec un fusible 1A 250V du même type. (F1702)

PRECAUTION

(Unité de PUTSSANCE)

2A 250V

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

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)

PG-C20XU PG-C20XE

AN-Z7T

Location of Controls

Projector

Front and Top View

POWER indicator

INPUT/BACK button

KEYSTONE/Adjustment

Cooling fan (Exhaust vent)

Side and Rear View

ON/OFF button

(]/[ )buttons

ZOOM knob

FOCUS ring

Foot releases

POWER

INPUT

BACK

ON/OFF

KEYSTONE

LAMP

TEMP.

AUTO SYNC

ENTER

LAMP REPLACEMENT indicator

TEMPERATURE WARNING indicator

AUTO SYNC/ENTER button

MENU button

Air filter/Cooling fan (Intake vent)

Speaker

Remote control sensor

Eyelet for lens cap strap

Kensington Security Standard connector

S-VIDEO INPUT 2 terminal

(4-pin Mini DIN)

VIDEO INPUT 3 terminal

(RCA)

AUDIO INPUT terminals

(RCA)

RS-232C port

(9-pin Mini DIN)

INPUT 2

S-VIDEO

INPUT 3 AUDIO INPUT

(S-VIDEO, VIDEO INPUT)

VIDEO

RS-232C

INPUT 1 OUTPUT (INPUT1)

AUDIO

COMPUTER

AUDIO

AC socket

Remote control sensor

COMPUTER

COMPUTER OUTPUT port for INPUT 1 (HD 15)

AUDIO OUTPUT terminal for INPUT 1 (3.5 mm stereo minijack)

COMPUTER INPUT 1 port (HD 15)

AUDIO INPUT 1 terminal (3.5 mm stereo minijack)

Remote Control

Front View

Rear View

Mouse (]/[)/

Adjustment (]/[)

buttons

Mouse (>)button

Mouse (<)button

MOUSE button

FREEZE button

MENU button

INPUT button

KEYSTONE buttons

VOLUME buttons

POWER button

RIGHT-CLICK/ ENTER button

ENLARGE button

AUTO SYNC button

AV MUTE button

RESIZE button

GAMMA button

Flip cover

LEFT-CLICK/ BACK button

Opening the Flip Cover

Press the tab and lift open the battery cover in the direction of the arrow.

Insert two AAA size batteries,making sure their polarities match the

+ and - marks inside

the battery compartment.

Inserting the Batteries

Insert the tabs on the end of the battery cover into their slots and press the cover into position.

• If the remote control gets wet, wipe it dry immediately.

• Avoid excessive heat and humidity.

• If you will not be using the remote control for a long time, remove the batteries.

• Do not mix new and old or different types of batteries.

• There are operations that can only be carried out by remote control. Handle the remote control carefully.

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Remote Control/Mouse Receiver Positioning

The remote control can be used to control the projector within the ranges shown below. The remote mouse receiver can be used with the remote control to control the mouse functions of a connected computer within the ranges shown below.

The signal from the remote control can be reflected off a 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)

30ß

45ß

30ß

Effective buttons in MOUSE mode

Remote control

(Front view)

Mouse

MOUSE

45ß

30ß

Remote control

Using the Wireless Mouse

Remote control

30ß

120ß

13’(4 m)

Remote mouse receiver

Using as a Wireless Mouse

When MOUSE is pressed, the buttons on the remote control light up and the remote control enters MOUSE mode. During MOUSE mode, the cursor can be used as the pointer. MOUSE mode is for about ten seconds while the buttons are lighting. When MENU or ENLARGE is pressed, MOUSE mode is released to the normal mode. Be sure the supplied remote mouse receiver is connected to your computer.

Remote control

(Rear view)

RIGHT-CLICK

AV MUTE

LEFT-CLICK

The wireless mouse may not operate correctly if your computer serial port is not correctly set up. Refer to the computer s operation manual for details of setting up/ installing the mouse driver. For one-button mouse systems, use either the LEFT-CLICK or RIGHT-CLICK button.

Connection Pin Assignments

COMPUTER INPUT 1 Port: 15-pin mini D-sub female connector

Computer Input

Analog

1. Video input (red)

2. Video input (green/sync on green)

5 10 15

1 6 11

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

Pin No. Signal Name I/O Reference

1 Not connected 2 RD Receive Data Input Connected to internal circuit 3 SD Send Data Output Connected to internal circuit 4 Not connected 5 SG Signal Ground Connected to internal circuit 6 Not connected 7 Not connected 8 Not connected 9 Not connected

3. Video input (blue)

4. Not connected

5. Composite sync

6. GND (red)

7. GND (green/sync on green)

8. GND (blue)

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9. Not connected

10.Not connected

11.GND

12.Bi-directional data

13.Horizontal sync signal

14.Vertical sync signal

15.Data clock

RS-232C Terminal: 9-pin Mini DIN female connector

Pin No. Signal Name I/O Reference

1 Not connected 2 RD Receive Data Input Connected to internal circuit 3 SD Send Data Output Connected to internal circuit 4 Not connected

5 SG Signal Ground Connected to internal circuit 6 Not connected 7 Not connected 8 Not connected 9 Not connected

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Dimensions

Rear View

Top View

Side View

4 / (118)

10 / (260)

2 / (58)

8 / (207)

1 / (32)

1 / (42)

/ (8)

Front View

3 / (82)

6 / (169.5)

Bottom View

Unit: inches (mm)

REMOVING OF MAJOR PARTS

1.Removing the intake cover and the lamp unit.

1-1. Detach the intake cover.

1-2. Remove the one lock screw (silver) from the lamp cover and detach the lamp cover.

1-3. Remove the two lock screws (silver) from the lamp unit and detach the lamp unit.

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1-3

1-1

Intake cover

1-3

Lamp unit

Lamp cover

1-2

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2.Removing the front and top panels

2-1. Remove the three lock screws (silver) from the front panel. 2-2. Remove the seven lock screws (silver) from the top panel.

2-2

2-1

2-3. Press the ❈-marked spots of the top panel to unhook the claws, and detach the top panel. 2-4. Slowly lift the top panel, disconnect the connectors from the control panel and speaker, and lift up the top

panel.

Top panel

2-4

2-3

Front Panel

PG-C20XU

Intake fan unit

Remote control receiver PWB

Temperature sensor

Output PWB

Grounding spring

3-2

3-4

3-3

3-1

Electrostatic sheet

(PG-C20XU Only)

(P1702)

(P1707)

(P1703)

(P1705)

(SC1102)

(SC1202)

(SC1302)

(P1601)

(P1708)

(P1706)

(P1704)

(P1602)

(P1701)

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3.Removing the output PWB unit, remote control receiver PWB unit and intake fan unit

3-1. Remove the five lock screws (yellow) from the output PWB unit. Remove the grounding spring and the

electrostatic sheet (PG-C20XU only). 3-2. Lift the output PWB unit, disconnect the connectors and lift up the output PWB unit. 3-3. Remove the two lock screws (black) from the intake fan unit and detach both the intake fan unit and the

temperature sensor. 3-4. Unhook the claws of the intake fan unit off the remote control receiver PWB unit, and detach this unit.

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4.Removing the front duct unit, PC I/F PWB units, and optical mechanism unit

4-1. Remove the lock screw (silver) from the bimetal and detach the bimetal. 4-2. Remove the two lock screws (one in black, the other in silver) from the front duct unit and detach the front

duct unit. 4-3. Remove the two lock screws (yellow) from the PC I/F PWB unit. Detach this unit from above. 4-4. Remove the two lock screws (silver) from the lamp socket holder and detach the lamp socket holder. 4-5. Remove the four lock screws (two in black, two in yellow) from the optical mechanism unit and detach the

optical mechanism unit from above.

Front duct unit

4-4

4-1

4-5

4-3

PC I/F PWB unit

4-5

Optical mechanism unit

4-2

Bottom panel

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5.Removing the ballast/power/AC inlet PWB unit, cooling fan and AC select switch

5-1. Remove the lock screw (yellow or silver) from the ballast cover. Peel the Teflon tape that secures the lead

wires on the ballast cover. Detach the ballast cover.

5-2. Remove the three lock screws (yellow or silver) from the ballast PWB unit. Disconnect the connectors from

the power PWB unit and detach the ballast PWB unit. 5-3. Remove the two lock screws (silver) from the cooling fan/power PWB unit and detach the cooling fan unit. 5-4. Remove the three lock screws (silver) from the AC inlet/power PWB unit. Disconnect the AC select switch

connectors and the power PWB connector (EA). Detach the AC inlet PWB unit, power PWB unit and power

PWB unit cover. 5-5. Remove the two lock screws (yellow) from the AC select switch and detach the switch, slide and spring.

Cooling fan

Ballast cover

5-2

5-3

5-1

Teflon tape

Ballast PWB

Note: Be careful when connecting this connector close to the live part of the

()

ballast PWB unit.

AC inlet PWB unit

5-4

5-5

5-4

Power PWB unit

Power PWB unit cover

❋ Precautions in reassembling

Keep the high-voltage leads ( A and B in the figure) of the lamp socket on the ballast PWB out of contact with the cooling fan. To do this, lay the lead B behind the lead A and dress them up in the cooling fan holder notch.

AC select switch

Slide

Spring

(EA)

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6.Removing the connecting terminals/3-dimensional Y/C separation PWB unit assembly

6-1. Remove the two lock screws (yellow) and the two supports from the connecting terminals/3-dimensional Y/

C separation PWB unit assembly. Slide the PWB unit and draw the terminals out of the bottom plate.

6-2. Disconnect the connector (EA) from the connecting terminals PWB unit.

7.Removing the center duct and the PBS fan

7-1. Remove the one lock screw (yellow) from the center duct and detach the center duct. 7-2. Remove the one lock screw (yellow) from the PBS fan and detach the angle and the PBS fan.

6-1

7-1

Center duct

Angle

PBS fan

7-2

(EA)

6-2

Connecting terminals/ 3-dimensional Y/C separation PWB unit assembly

Resetting the TOTAL LAMP TIMER

CAUTION

Intense light hazard. Do not attempt to look into the aper ture and lens while the projector is operating.

As the usage environment can vary significantly, the projector lamp may not operate for 1,000 hours. "1,000 hours" above indicates average life span and should be used for r eference only. This is different than the warranty period. For safety, the power will not be turned on from the fourth times when turning on the power without changing the lamp after use for 1,000 hours.

● Resetting the total lamp timer

When replacing the lamp, reset the total lamp timer in the procedure below.

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Connect the power cord.

Plug the power cord into the AC socket of the projector.

Reset the lamp timer.

1 Press KEYSTONE ' and

KEYSTONE " on the projector at

the same time.

2 Press INPUT and AUTO SYNC on

the projector at the same time.

3Press AUTO SYNC and MENU at

the same time until unit comes on.

INPUT

AUTO SYNC

BACK ENTER MENU

LAMP 0000H displayed, indicating that the lamp timer is reset.

LAMP 0000H

● Light source (lamp)

The lamp used for light source has a service life of about 1,000 hours. If the total operating time exceeds 900 hours, replace the lamp with new one (separately sold) as soon as possible. However, if the image becomes dim or the colors get less crisp even before the total operating time does not exceeds 900 hours, also replace the lamp. The lamp's total operating time can be checked on the screen. If noticeable color irregularities are found after replacing the lamp, make the color irregularity correction on page 28.

Maintenance Indicator

TEMPERATURE WARNING indicator

LAMP REPLACEMENT indicator

POWER indicator

Condition Possible Solution

The internal temperature is abnormally high.

The indicator flashes in red.

The lamp does not illuminate.

The lamp requires replacement.

The indicator flashes in red when the projector is on.

Problem

Blocked air intake.

Clogged air filter.

Cooling fan breakdown. Internal circuit failure.

Cooling down. Wait until the indicator stops flashing and

Burnt-out lamp. Lamp circuit failure.

Lamp has been used for over 900 hours.

The filter cover is open. Securely install the filter cover

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.

turns off. Carefully replace the lamp.

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

● Replacing the air filter

Just when replacing the lamp, replace also the air filter with the one that comes with the lamp replacement kit.

1.Disconnect the power cord.

Unplug the power cord from the AC socket.

2.Remove the filter cover.

Turn over the projector. Press the tab and remove the filter cover in the direction of the arrow.

3.Remove the air filter.

1 Remove the air filter

stopper.

2 Remove the air filter.

4.Replace the air filter.

1 Put the new air filter

into position.

2 Put the air filter stopper

back into position.

5.Replace the filter cover.

Insert the tab on the end of the filter cover into the filter cover opening and press the filter cover into position.

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THE OPTICAL UNIT OUTLINE

Layout for proper setup of the optical components and parts (top view)

Projection Lens

Input polarizer B

Relay lens 3

Mirror R, G, B

Relay lens 2

Mirror R, G, B

G03

UV absorbing glass

G02

Relay lens 1

LCD(B)

LCD(G)

G01

Cross dichroic prism

Condencer lens G

Green

Blue

G reflector

LCD(R)

Condencer lens R

Input polarizer G

Green/Blue

Input polarizer R

AL-coated mirror R

Red

PBS

R reflector

Light source

(Lamp)

Fly-eye lens (Input)

Fly-eye lens (Output)

AL-coated mirror R,G, B

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Lamp assembly (bottom view)

Screw B

Screw A

Screw C

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Adjusting the mirrors

This adjustment is needed when any of the optical parts of the optical mechanism has been replaced.

1. Disconnect the flat cables from all the LCD panels.

2. Light up the lamp.

3. Project a white-light image and check to see if there is any color tint in any direction. If any, loosen the incident-light fly-eye adjusting plate lock screws and readjust the fly-eye to get the image uniformly whitish. Tighten up the lock screws.

4. If by any chance the above step 3 fails, use the M1, M4 and M5 adjusting levers.

5. Before moving the M5 adjusting lever, shield the G and B color beams. (For shielding them, use reflective sheets that reflect the incident lights.)

6. Loosen the adjusting lever lock screws, make adjustments, and tighten up the lock screws.

7. Before moving the M4 adjusting lever, shield the R and G color beams.

Lock screws (yellow)

M4 Adjusting lever

Shielding plate for B

Front Shielding plate for R

M5 Adjusting lever

Shielding plate for G

Lock screws (yellow)

incident-light fly-eye adjusting plate

Lock screws (yellow)

M1 Adjusting lever

Correcting color irregularities on white-only screen when replacing the lamp

If color irregularities are found at the right and left on a white-only screen after replacing the lamp, it is necessary to readjust the optical axis of the new lamp. Take the following steps.

1. Open the lamp cover and loosen the screws A, B and C at the bottom of the lamp.

2. Using a screwdriver or the like, move the U-shaped groove at the window D in the arrow direction.

3. Temporarily fix the screws A, B and C, close the lamp cover, and check the white-only screen again for color irregularities.

4. Repeat the above steps 1, 2 and 3 until there will be no color irregularities. Now tighten up the screws A, B and C.

5. Finally secure the lamp cover back in position.

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Replacing the prism holder unit

1. Remove the three lock screws, and take the prism holder unit and the projection lens assembly out of the optical unit.

2. Remove the four lock screws, separate the prism holder unit and the projection lens assembly from each other.

3. Replace the prism holder unit with new one. Take the above steps 1 and 2 in reverse order.

Note: Even if just one of the LCD panels is defective, it is necessary to replace the entire prism holder unit. Do not

replace just the defective LCD panel only.

1Prism holder unit lock screws (yellow)

Optical unit

G-LCD panel

R-LCD panel

Projection lens assembly

2Projection lens lock screws (yellow)

B-LCD panel

Prism holder unit

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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.

ADJUSTMENT PRECAUTIONS

1 Precautions for initializing

It takes 5 seconds to get the memory initialized and the initial settings rewritten. To go through the initialization, the onscreen display background on the process menu screen turns red and the message "INITIALIZE" appears onscreen for 5 seconds after pressing the specified key. Finally turn off the AC power (unplug the power cord).

2 Initial factory settings (S4, S5)

It takes 5 seconds to get the initial factory settings written. Do not turn off the main power during this procedure. To ensure this waiting time, "S4" or "S5" appears on the onscreen display for 5 seconds. When this sign disappears, you can keep on the power or turn it off.

3 Video adjustment

Be careful not to cut off the signals during the video adjustment.

No. Adjusting point Adjusting conditions Adjusting procedure

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1 EEPROM

initialization

2 Brightness

adjustment

1. Turn on the power (with the lamp on) and warm up the set for 15 minutes.

2. Select the following group, sub-group and subject. Group : Option Sub-group:

EEPROM Initialize

Subject : Initialize Start

1. Feed the XGA 10-step signal.

2. Select the following group, sub-group and subjects. Group : Adjust PC Image Sub-group: AD Subject :

R-Bright (In R adjustment) G-Bright (In G adjustment) B-Bright (In B adjustment)

3. Connect the synchroscope (0.2V/div.) to the following TPs. In R adjustment TP1403 In G adjustment TP1402 In B adjustment TP1401

» Make the following settings.

Press SW1601 to call the process mode. Initialize the EEPROM by execution of Initialize Start. (After the execution of Initialize Start, the EEPROM will not be initialized unless the power is once turned off.)

» Adjust the setting just until the color tone level 0 starts

moving.

0-gradation

0.8Vp-p

10-gradation

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No. Adjusting point Adjusting conditions Adjusting procedure

3 Drive adjust-

ment

4 Panel input

signal amplitude adjustment

1. Feed the XGA 10-step signal.

2. Select the following group, sub-group and subjects. Group : Adjust PC Image Sub-group: AD Subject :

R-Contrast (In R adjustment) G-Contrast (In G adjustment) B-Contrast (In B adjustment)

3. Connect the synchroscope (0.2V/div.) to the following TPs. In R adjustment TP1403 In G adjustment TP1402 In B adjustment TP1401

1. Select the following group, sub-group and subjects. Group : Adjust PC image Sub-group: CXA2111R Subject :

AMP-R-GAIN (In R adjustment) AMP-R-BLK (In R adjustment) AMP-G-GAIN (In G adjustment) AMP-G-BLK (In G adjustment) AMP-B-GAIN (IN B adjustment) AMP-B-BLK (IN B adjustment)

2. Connect the synchroscope to the following TPs. In R adjustment TP1101 In G adjustment TP1201 In B adjustment TP1301

3. Feed the XGA 10-step signal.

» First reach a setting where the color tone level 10

gets saturated. Then decrease the setting by one point.

0-gradation

0.8Vp-p

10-gradation

1.Select AMP-R-GAIN and adjust the signal amplitude to 3.8 ± 0.1. Select 0.1Vp-p.

2.Select AMP-R-BLK and adjust the white-white signal amplitude to 2.1 ± 0.1Vp-p.

Note: Make sure that the black side does not interfere

in GAIN adjustment. Adjust the amplitude as for G and B in the same procedure.

2.1Vp-p

3.8Vp-p

5 Sample hold

pulse phase checking

1. Feed the XGA mode monochrome signal.

2. Select the following group, sub-group and subjects. Group : LCD2(6050) Sub-group: CLDLY Subject : R_CLDLY

G_CLDLY B_CLDLY R_REVCLDLY G_REVCLDLY B_REVCLDLY

» Feed the G (30%) signal to see if there is no vertical

stripe visible on the screen. If it is visible, adjust the setting to somewhere between 160 and 200.

Make also sure that the R and B settings are as follows. R_CLDLY 171 R_REVCLDLY 175 B_CLDLY 175 B_REVCLDLY 178

No. Adjusting point Adjusting conditions Adjusting procedure

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6 RGB

countervoltage adjustment

7 RGB tone

reproduction adjustment

1. Feed the countervoltage adjustment signal. (XGA)

2. Select the following group, sub-group and subjects. Group : LCD2 (6050) Sub-group: COM Subject :

R_LCCOM (In R adjustment) G_LCCOM (In G adjustment) B_LCCOM (In B adjustment) R_REVLCCOM (In R reverse adjustment) G_REVLCCOM (In G reverse adjustment) B_REVLCCOM (In B reverse adjustment)

1. Feed the green-only SMPTE pattern signal. (XGA)

2. Select the following group, sub-group and subject. Group : Adjust PC Image Sub-group: CXA211 1R Subject : AMP-BLK

» Using the set's control switch or the remote control-

ler’s button, adjust the setting so that the flickering be minimum.

» Adjust the setting so that the image comes to the

center of the screen.

» Adjust the AMP-BLK setting so that the gradation of

the part 1 (white 95% and 100%) as shown in the figure below is barely discernible.

» Make sure that the gradation of the part 2 (black

0% and 5%) is also discernible.

8 RGB white

balance adjustment

9 Horizontal

center adjustment

1. Feed the 32-step grayscale signal. (XGA)

2. Select the following group, sub-group and subjects. Group : Adjust PC Image Sub-group: CXA211 1R Subject : AMP-R-BLK

(In R adjustment) AMP-B-BLK (In B adjustment)

1. Feed the NTSC monoscope signal.

2. Select the following group, sub-group and subject. Group :

Adjust VIDEO Image Sub-group: VPC3230 Subject : H-Position

» Adjust the setting to achieve the best color tone

balance.

» Make sure the setting is 52.

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No. Adjusting point Adjusting conditions Adjusting procedure

10 Video BRIGHT-

NESS adjustment

11 Video CON-

TRAST adjustment

12 Color saturation

adjustment

1. Feed the NTSC 10-step signal.

2. Select the following group, sub-group and subject. Group :

Adjust VIDEO Image Sub-group: VPC3230 Subject : Bright

1. Feed the NTSC 10-step signal.

2. Select the following group, sub-group and subject. Group :

Adjust VIDEO Image Sub-group: VPC3230 Subject : Contrast

3. Connect the synchroscope to TP1402.

1. Feed the color bar signal.

2. Select the following group, sub-group and subject. Group :

Adjust VIDEO Image Sub-group: VPC3230 Subject : Color

» Make sure the setting is as shown below.

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» First reach a setting where the color tone level 10

gets saturated. Then decrease the setting by one point.

0-gradation

0.8Vp-p

10-gradation

» Make sure the setting is 128.

13 PSIG adjust-

ment

1. Select the following group, sub-group and subjects. Group :

Adjust VIDEO image Sub-group: CXA2111R Subject : PRGLEV

SIDLEV

2. Connect the synchroscope to TP1210.

3. Using the NTSC 10-step input signal, make sure that there is no vertical stripes appearing every 12 dots. (If white or black vertical stripes appear, fine-adjust the SIDLEV setting.)

PSIG

» Make sure the setting is as shown below.

PRGLEV ...........61

SIDLEV .............170

No. Adjusting point Adjusting conditions Adjusting procedure

14 VIDEO panel

input signal amplitude adjustment

1. Select the following group, sub-group and subjects. Group :

Adjust VIDEO image Sub-group: CXA2111R Subject :

AMP-R-Gain (In R adjustment) AMP-R-BLK (In R adjustment) AMP-G-Gain (In G adjustment) AMP-G-BLK (In G adjustment) AMP-B-Gain (IN B adjustment) AMP-B-BLK (IN B adjustment)

2. Connect the synchroscope to the following TPs. In R adjustment TP1101

1.Select AMP-R-Gain and adjust the signal amplitude to 3.8 ± 0.1Vp-p.

2.Select AMP-R-BLK and adjust the white-white signal amplitude to 2.1 ± 0.1Vp-p.

3.Select AMP-G-Gain and adjust the signal amplitude to 3.5 ± 0.1Vp-p.

4.Select AMP-G-BLK and adjust the white-white signal amplitude to 2.6 ± 0.1Vp-p.

5.Select AMP-B-Gain and adjust the signal amplitude to 3.5 ± 0.1Vp-p.

6.Select AMP-B-BLK and adjust the white-white signal amplitude to 2.6 ± 0.1Vp-p.

Note: Make sure that the black side does not interfere

in Gain adjustment. In G adjustment TP1201 In B adjustment TP1301

3. Feed the NTSC 10-step signal.

2.1Vp-p(R)

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15 Video white

balance adjustment

16 Automatic color

irregularity correction

17 Color-related

performance checking

3.8Vp-p(R)

1. Feed the 32-step grayscale signal. (VIDEO)

» Adjust the setting to achieve the best color tone bal-

ance.

2. Select the following group, sub-group and subjects. Group :

Adjust VIDEO Image Sub-group: CXA2111R Subject :

AMP-R-BLK (In R adjustment) AMP-B-BLK (In B adjustment)

1. Apply the automatic color correction using the auto-

» Make sure that no remarkable uneven color remains

on the screen. matic color irregularity correction system.

1. Feed the color bar signal. » User adjustment: Check the Color and Tint settings.

18 Video-related

performance checking

19 Audio-related

performance checking

1. Feed the monoscope pat-

tern signal.

» User adjustment:

Check the performance relating to Contrast, Brightness and Sharpness.

1. Feed the audio signal. » User adjustment: Check the sound volume performance.

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No. Adjusting point Adjusting conditions Adjusting procedure

20 RGB-related

performance checking

21 DVD perform-

ance checking

performance checking

23 Auto sync

performance checking

24 Keystone cor-

rection performance checking

25 Lamp power

changeover performance checking

1. Feed the RGB signal. » User adjustment: Check the performance relating to Contrast, Brightness, Red, Blue, Clock, Phase, H-POS, and V-POS.

1. Receive the 480I signal. » User adjustment: Check the performance relating to Contrast, Brightness, Color, Tint and Sharpness.

1. Heat the thermistor with a

» Make sure that the temperature is indicated.22 Thermistor

hair dryer.

1. Feed the phase check pat-

tern signal.

» In the VGA, SVGA, XGA, and SXGA modes, make

sure the Clock, Phase, H-Pos and V-Pos settings can be automatically adjusted.

» Make sure that the keystone distortion can be cor-

rected.

» Make sure that the brightness can be changed with

the user lamp power control.

26 Delivery set-

tings

» Make the following settings.

Destination

Process adjustment Remote control adjustment

(Model)

US (XU) S4 Factory setting at 4

Europe (XE) S4 Factory setting at 4

Process menu1

Group Sub group Subject

R-Bright R-Contrast

Adjust PC Image

CXA2111R

VPC3230 Color

Adjust VIDEO Image

CXA2111R AMP-B-BLK

VPC3230 Contrast

Adjust Component (480I) AMP-G-Gain

CXA2111R

LCD5(CXA1839)(480P) (The menu appears on the screen. But do not use this menu because this model is not equipped with the DTV function.)

NRS

LCD2 (6050)

COM

G-Bright G-Contrast B-Bright B-Contrast AMP-R-BLK AMP-R-GAIN AMP-G-BLK AMP-G-GAIN AMP-B-BLK AMP-B-GAIN AMP-BLK AMP-GAIN Bright Contrast

H-Position AGC AMP-R-BLK AMP-R-Gain AMP-G-BLK AMP-G-Gain

AMP-B-Gain CLPLVL PRGLEV SIDLEV Bright

Color AMP-R-Gain

AMP-B-Gain AMP-R-BLK AMP-G-BLK AMP-B-BLK DTV_Bright DTV_Contrast DTV_Color DTV_Tint NRS-H NRS-L R_LCCOM G_LCCOM B_LCCOM R_REVLCCOM G_REVLCCOM B_REVLCCOM

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Process menu2

Group Sub group Subject

R_CLDLY G_CLDLY

LCD2 (6050) CLDLY

GHOST B_GHOST

LCD3 (Adjust GA4) G_GHOST_W

CK-PHASE GCK-PHASE

Adjust Horz. Conv

LCD4 (Adjust Conv)

Adjust Vert. Conv

Version

Temp

Temp/Fan State

Fan Speed Gamma Off on/off

Option

Revise Color Uneven on/off EEPROM Initialize

B_CLDLY R_REVCLDLY G_REVCLDLY B_REVCLDLY R_GHOST G_GHOST

R_GHOST_W

B_GHOST_W RCK-PHASE

BCK-PHASE R_HCONV G_HCONV B_HCONV R_REVHCONV G_REVHCONV B_REVHCONV R_VCONV G_VCONV B_VCONV R_REVVCONV G_REVVCONV B_REVVCONV Boot Code Config Sharp Table Rom Code GUI Sub CPU S4 S5 Inside Temp/ref Outside Temp/ref Lamp Fan Other Fan

Cancel Initialize Start

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