Sharp XGMB55X, PG-MB56X, PG-MB66X, XG-MB55X-L, XG-MB67X-L Service Manual

TopPage
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
SERVICE MANUAL
No. S06Y1XGMB55XLL
MULTIMEDIA PROJECTOR
Basic
PG-MB56X
PG-MB66X XG-MB55X-L XG-MB65X-L
MODELS
CONTENTS
SAFETY PRECAUTION
Precautions for using lead-free solder ..............vi
CHAPTER 1. OPERATION MANUAL
[1] Specifications ................................................. 1-1
[2] Parts Name and Basic Operation................... 1-2
[3] DIMENSIONS ................................................ 1-9
[4] Regarding the lamp...................................... 1-10
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] Removing the lamp door and the lamp
unit ................................................................. 2-1
[2] Removing the top body .................................. 2-1
[3] Removing the main PWB unit ........................ 2-2
[4] Removing the speaker, fan, and power
supply ballast unit........................................... 2-2
[5] Removing the optical mechanism unit and
RC light receiver PWB ................................... 2-3
[6] Removing the photosensor PWB unit,
blower fan, DMD PWB, and DMD .................. 2-3
XG-MB67X-L
CHAPTER 5. TROUBLE SHOOTING TABLE
[1] TROUBLE SHOOTING TABLE .....................5-1
CHAPTER 6. MAJOR IC INFOMATIONS
[1] MAJOR IC INFOMATIONS............................6-1
CHAPTER 7. BLOCK DIAGRAM/OVERALL WIRING DIAGRAM
[1] BLOCK DIAGRAM.........................................7-1
[2] OVERALL WIRING DIAGRAM ......................7-3
CHAPTER 8. PRINTED WIRING BOARD
[1] MAIN Unit ......................................................8-1
[2] DMD Unit .....................................................8-17
[3] BALLAST POWER Unit ............................... 8-19
[4] BALLAST CONTROL Unit ...........................8-25
[5] PHOTOSENSOR Unit .................................8-27
[6] R/C RECEIVER Unit....................................8-28
CHAPTER 9. WAVEFORMS
[1] WAVEFORMS ...............................................9-1
CHAPTER 3. THE OPTICAL UNIT OUTLINE
[1] THE OPTICAL UNIT OUTLINE...................... 3-1
CHAPTER 4. ELECTRICAL ADJUSTMENT
[1] ELECTRICAL ADJUSTMENT........................ 4-1
[2] Adjustment mode process menu.................... 4-4
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.
CHAPTER 10. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC
DIAGRAM....................................................10-1
[2] SCHEMATIC DIAGRAM ..............................10-2
Parts Guide
This document has been published to be used for after sales service only. The contents are subject to change without notice.
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
XG-MB55X-L

SAFETY PRECAUTION

Service Manual

IMPORTANT SERVICE SAFETY NOTES

IMPORTANT SERVICE SAFETY NOTES (for USA)
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, (Donot 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. 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 0.4 volts RMS (this corresponds to 0.27 milliamp. AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the unit to the owner.
TO EXPOSED METAL PARTS
DVM
AC SCALE
1.5k ohm 10W
0.15 µF
TEST PROBE
CONNECT TO KNOWN EARTH GROUND
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SAFETY NOTICE
Many electrical and mechanical parts in DMD™ 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 “ ” and shaded areas in the Replacement Parts Lists and Schematic Diagrams. For continued protection,
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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.
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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PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
PRECAUTIONS A PRENDRE LORS DE LA REPARATION
Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants.
AVERTISSEMENT
1. N'entreprendre aucune modification de tout circuit. C'est dangereux.
2. Débrancher le récepteur avant toute réparation.
VERIFICA TIONS CONTRE L'INCEN-DIE ET LE CHOC ELECTRIQUE
Avant de rendre le récepteur à l'utilisateur, effectuer les vérifications suivantes.
1. Inspecter tous les faisceaux de câbles pour s'assurer que les fils ne soient pas pincés ou qu'un outil ne soit pas placé entre le châssis et les autres pièces métalliques du récepteur.
2. Inspecter tous les dispositifs de protection comme les boutons de commande non-métalliques, les isolants, le dos du coffret, les couvercles ou blindages de réglage et de compartiment, les réseaux de résistance-capacité, les isolateurs mécaniques, etc.
3. S'assurer qu'il n'y ait pas de danger d'électrocution en vérifiant la fuite de courant, de la facon suivante: Brancher le cordon d'alimentation directem-ent à une prise de courant de 120-V. (Ne pas utiliser de tran sformateur d'isolation pour cet essai). A l'aide de deux fils à pinces, brancher une résistance de 1.5 k10 watts en parallèle avec un condensateur de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre connue comme une conduite électrique ou une prise de terre branchée à la terre.
Utiliser un voltmètre CA d'une sensibilité d'au moins 5000/V pour mesurer la chute de tension en travers de la résistance. Toucher avec la sonde d'essai les pièces métalliques exposées qui présentent une voie de retour au châssis (antenne, coffret métallique, tête des vis, arbres de commande et des boutons, écusson, etc.) et mesurer la chute de tension CA en-travers de la résistance. Toutes les vérifications doivent être refaites après avoir inversé la fiche du cordon d'alimentation. (Si nécessaire, une prise d'adpatation non polarisée peut être utilisée dans le but de terminer ces vérifications.)
La tension de pointe mesurèe ne doit pas dépasser 0.4V (correspondante au courant CA de pointe de 0.27mA).
Dans le cas contraire, ilyaunepossibilité de choc électrique qui doit être supprimée avant de rendre le récepteur au client.
DVM
ECHELLE CA
1.5k ohm 10W
µ
F
0.15
SONDE D'ESSAI
AUX PIECES METALLIQUES EXPOSEES
BRANCHER A UNE TERRE CONNUE
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AVIS POUR LA SECURITE
De nombreuses pièces, électriques et mécaniques, dans les projecteur à DMD™ 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 “ ” et hachurées dans la
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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.
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-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
NOTE TO SERVICE PERSONNEL
//////////////////////////////////////////////////////////////
UV-RADIATION PRECAUTION
//////////////////////////////////////////////////////////////
The light source, lamp, in the 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, dans le projecteur 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:
Toujours porter des lunettes de soleil lors d’un entretien
1. 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 AN-XR20L2 rated 275W DC.
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 AN-XR20L2, caractéristique 275W-DC.
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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PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
////////////////////////////////////////////////////////////////
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
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)
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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 . [N’utiliser qu’un remplacement d’origine.]
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.
2
1
Lampe
2
Reflecteur
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.
To illuminate the lamp in the unit with Top Body removed, attach the above Service Top Body (DBDYTA132WJZZ). If not, problems may be caused by UV light emitted from the lamp.
Top Body Part code:DBDYTA132WJZZ
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.
iv
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
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 into 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,
DO NOT REMOVE CABINET.
NO USER-SERVICEABLE PARTS EXCEPT LAMP UNIT.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
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
(POWER Unit)
6.3A 250V
AVERTISSEMENT: Source lumineuse de grande intensité. Ne pas fixer le faisceau lumineux ou le regarder
For continued protection against a risk of fire, replace only with same type
6.3A, AC250V fuse. (F701)
directement. Veiller particulièrement à éviter que les enfants ne fixent directement le faisceau lumineux.
AVERTISSEMENT: AFIN D’EVITER TOUT RISQUE D’INCENDIE OU D’ELECTROCUTION, NE PAS PLACER
CET APPAREIL DANS UN ENDROIT HUMIDE OU MOUILLE.
ATTENTION
RISQUE D’ÉLECTROCUTION. NE PASR ETIRER LES VIS Á
L’EXCEPTION DE LA 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 REPARABLE
PAR L’UTILISATEUR, A L’EXCEPTION DE L’UNITE DE
LAMPE. POUR TOUTE REPARATION, S’ADRESSER A UN
TECHNICIEN D’ENTRETIEN QUALIFIE.
triangle indique à l’utilisateur que les instructions de fonctionnement et d’entretien sont détaillées dans les documents fournis avec le projecteur.
PRECAUTION
(Unité de PUTSSANCE)
6.3A 250V
Pour une protection continue contre un risques d’incendie, ne remplacer qu’avec un fusible 6.3A,AC250V
du même type.
(F701)
v
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

Precautions for using lead-free solder

Employing lead-free solder

• "PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
Example:
L Fa
Indicates lead-free solder of tin, silver and copper.

Using lead-free wire solder

• When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder may cause dam­age or accident due to cracks.
As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 °C, we recommend you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service branch in your area.

Soldering

• As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 °C which is higher than the conventional lead solder by 40 °C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering condition.
Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
• Be careful when replacing parts with polarity indication on the PWB silk.
Lead-free wire solder for servicing
Part No. Description Code
ZHNDAi123250E J φ0.3mm 250g(1roll) BL ZHNDAi126500E J φ0.6mm 500g(1roll) BK ZHNDAi12801KE J φ1.0mm 1kg(1roll) BM
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PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
XG-MB55X-L

CHAPTER 1. OPERATION MANUAL

Service Manual

[1] Specifications

Product type
Model
Video system
Display method
DMD panel
Projector PG-MB66X/PG-MB56X/XG-MB67X-L/XG-MB65X-L/XG-MB55X-L NTSC3.58/NTSC4.43/PAL/PAL-M/PAL-N/PAL-60/SECAM/DTV480I/DTV480P/ DTV540P/DTV576I/DTV576P/DTV720P/DTV1035I/DTV1080I/DTV1080I -50 Single Chip Digital Micromirror Device Panel size:
[PG-MB66X/PG-MB56X/XG-MB67X-L/XG-MB65X-L/XG-MB55X-L]
TM
(DMDTM) by Texas Instruments
0.55 (14 mm), 1chip XGA DMD
No. of dots:[PG-MB66X/PG-MB56X/XG-MB67X-L/
XG-MB65X-L/XG-MB55X-L]
786,432 dots (1,024 [H] 768 [V])
Lens
[PG-MB66X/XG-MB67X-L/XG-MB65X-L] 1-1.15 x zoom lens, F2.4-2.6, f = 18.7-21.5 mm [PG-MB56X/XG-MB55X-L] 1-1.15 x zoom lens, F2.4-2.6, f = 19.0-21.9 mm
Projection lamp
[PG-MB66X/PG-MB56X/XG-MB67X-L/XG-MB65X-L/XG-MB55X-L] 275 W DC lamp (AN-XR20L2)
Component input signal
(INPUT1/2)
Horizontal resolution
Computer RGB input
(INPUT 1/2)/output
(OUTPUT) signal
15-pin mini D-sub connector Y: 1.0 Vp-p, sync negative, 75 terminated P
B
: 0.7 Vp-p, 75 terminated
P
R
: 0.7 Vp-p, 75 terminated
[PG-MB66X/PG-MB56X/XG-MB67X-L/XG-MB65X-L/XG-MB55X-L] 600 TV lines (DTV720P) 15-pin mini D-sub connector
RGB separate/sync on green type analog input: 0-0.7 Vp-p, positive, 75 terminated HORIZONTAL SYNC. SIGNAL: TTL level (positive/negative) VERTICAL SYNC. SIGNAL: Same as above
S-video input signal
(INPUT 3)
4-pin mini DIN connector Y (luminance signal): 1.0 Vp-p, sync negative, 75 terminated C (chrominance signal): Burst 0.286 Vp-p, 75 terminated
Video input signal
(INPUT 4)
Vertical frequency
Horizontal frequency
Pixel clock
RS-232C terminal
LAN terminal
Audio input signal
Audio output signal
RCA connector: VIDEO, composite video, 1.0 Vp-p, sync negative, 75 terminated 45-85 Hz 15-70 kHz 12-108 MHz 9-pin mini DIN connector 8-pin RJ-45 modular Connector [XG-MB67X-L only]
φ3.5 mm minijack or RCA terminal: 0.5 Vrms, more than 22 k(stereo) φ3.5 mm minijack: 0.5 Vrms, less than 2.2 k
(AUDIO OUTPUT 1-4)
Speaker system
Rated voltage
Input current
Rated frequency
Power consumption
4 cm x 2.85 cm oval x 1 AC 100-240V [PG-MB66X/PG-MB56X/XG-MB67X-L/XG-MB65X-L/XG-MB55X-L] 3.6 A
50/60 Hz [PG-MB66X/XG-MB67X-L/XG-MB65X-L] 350 W ("Bright" mode)/280 W ("Eco + Quiet" mode) with AC 100 V [PG-MB56X/XG-MB67X-L/XG-MB55X-L] 330 W ("Bright" mode)/270 W ("Eco + Quiet" mode) with AC 240 V
Power consumption
(standby)
Heat dissipation
[PG-MB66X/PG-MB56X/XG-MB65X-L/XG-MB55X-L] 4.7 W (AC 100 V) - 6.1 W (AC 240 V) [XG-MB67X-L] 9.2 W (AC 100 V) - 10.0 W (AC 240 V)
[PG-MB66X/XG-MB67X-L/XG-MB65X-L] 1,315 BTU/hour ("Bright" mode)1,050 BTU/hour ("Eco + Quiet" mode) with AC 100 V
Operating temperature
Storage temperature
Cabinet
I/R carrier frequency
Dimensions (approx.)
Weight (approx.)
Replacement parts
[PG-MB56X/
XG-MB67X-L/
1,240 BTU/hour ("Bright" mode)/1,010 BTU/hour ("Eco + Quiet" mode) with AC 240 V 41Fto95F(+5Cto+35C)
-4Fto140F(-20Cto+60C) Plastic 38 kHz 12 12
13
/32"x4
13
/
32
"x4""
19
/
64
47
111/32(315 (W) x 109 (H) x 280 (D) mm) (main body only)
/641137/64(315 (W) x 120 (H) x 294 (D) mm) (including adjust-
ment foot and projecting parts)
8.6 lbs. (3.9 kg) Remote control, Power cord for U.S. and Canada, etc., Power cord for Europe,
XG-MB55X-L]
" "
except U.K., Power cord for U.K. and Singapore, Power cord for Australia, New Zealand and Oceania, RGB cable, 3 RCA to 15-pin D-sub cable, DIN-D-sub RS-232C adaptor, Operation manual (Printed and CD-ROM), Dust filter
As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specifica­tion figures indicated are nominal values of production units. There may be some deviations from these values in individual units.
1 – 1

[2] Parts Name and Basic Operation

Part Names and Functions
Projector
Top View
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Power indicator
STANDBY/ON button For turning the power on and putting the projector into standby mode.
ENTER button For setting items selected or adjusted on the menu.
KEYSTONE button For entering the Keystone Correction mode.
Front View
Lamp indicator
Temperature warning indicator
Volume buttons (/+) For adjusting the speaker sound level.
INPUT button ( / ) For switching input mode 1, 2, 3 or 4.
MENU/HELP button For displaying adjustment and setting screens, and help screen.
Adjustment buttons (///) For selecting menu items.
Focus ring For adjusting the focus.
HEIGHT ADJUST lever
Intake vent
Zoom ring For enlarging/ reducing the picture.
Remote control sensor
Push both sides of the lens cap to attach or remove.
1 – 2
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Rear View (PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L)
Terminals
AUDIO (INPUT 1, 2) terminal (Shared for INPUT 1 and 2)
INPUT 1 and INPUT 2 terminals Terminals for computer RGB and component signals.
AUDIO OUTPUT terminal Audio output terminal of equipment connected to the AUDIO INPUT terminal.
Refer to "INPUT Terminals and Connectable Main Equipment".
OUTPUT (INPUT 1, 2) terminal (Shared computer RGB and component signals output terminal for INPUT 1 and 2) Terminal for connecting a monitor.
INPUT 3 terminal Terminal for connect­ing video equipment with an S-video terminal.
RS-232C terminal Terminal for controlling the projector using a computer.
AUDIO (INPUT 3, 4) terminal (Shared for INPUT 3 and 4)
INPUT 4 terminal Terminal for connecting video equipment.
Exhaust vent
Speaker
Intake vent
Kensington Security
AC socket Rear adjustment foot
Using the Kensington Lock
This projector has a Kensington Security Standard connector for use with a Kensington Micro Saver Security System. Refer to the information that came with the system for instructions on how to use it to secure the projector.
Connect the supplied
Power cord.
1 – 3
Standard connector
Rear View (XG-MB67X-L)
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Terminals
OUTPUT (INPUT 1, 2) terminal (Shared computer RGB and component signals output terminal for INPUT 1 and 2) Terminal for connecting a monitor.
AUDIO (INPUT 1, 2) terminal (Shared for INPUT 1 and 2)
INPUT 1 and INPUT 2 terminals Terminals for computer RGB and component signals.
Refer to "INPUT Terminals and Connectable Main Equipment".
INPUT 3 terminal Terminal for connect­ing video equipment with an S-video terminal.
RS-232C terminal Terminal for controlling the projector using acomputer.
LAN terminal Terminal for controlling the projector using a computer via network.
AUDIO (INPUT
AUDIO OUTPUT terminal Audio output terminal of equipment connected to the AUDIO INPUT terminal.
Intake vent
Kensington Security
Rear adjustment foot
Using the Kensington Lock
This projector has a Kensington Security Standard connector for use with a Kensington MicroSaver Security System. Refer to the information that came with the system for instructions on how to use it to secure the projector.
AC socket Connect the supplied Power cord.
Standard connector
3, 4) terminal (Shared for INPUT 3 and 4)
INPUT 4 terminal Terminal for connecting video equipment.
Exhaust vent
Speaker
1 – 4
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
STANDBY button For putting the projector into the standby mode.
KEYSTONE button For entering the Keystone Correction mode.
RETURN button For returning to the previous menu screen during menu operations.
FORWARD/BACK buttons Same function as the [Page Down] and [Page Up] keys on a computer keyboard when using the optional Remote Receiver (AN-MR2).
ON button For turning the power on.
MENU/HELP button For displaying adjustment and setting screens, and help screen.
Adjustment buttons (///)
For selecting menu items. For adjusting the Keystone Correction when in the Keystone Correction mode.
ENTER button For setting items selected or adjusted on the menu.
FREEZE button For freezing images.
BREAK TIMER button For displaying the break time.
AV MUTE button For temporarily displaying a black screen and turning off the sound.
PICTURE MODE button For selecting the appropriate picture.
Volume buttons For adjusting the speaker sound level.
AUTO SYNC button For automatically adjusting images when connected to a computer.
RESIZE button For switching the picture size (NORMAL, BORDER, etc.).
INPUT1,2,3and4 buttons For switching to the respective input modes.
1 – 5
Inserting the Batteries
Press the mark on the cover and slide it in the
1
direction of the arrow.
Insert the batteries.
2
Insert the batteries making sure the polarities correctly match the and marks inside the battery compartment.
Attach the cover and slide it until it clicks into place.
3
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Incorrect use of the batteries may cause them to leak or explode. Please follow the precautions below.
Caution
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type. Insert the batteries making sure the polarities correctly match the and marks inside the battery compartment. Batteries of different types have different properties, therefore do not mix batteries of different types. Do not mix new and old batteries. This may shorten the life of new batteries or may cause old batteries to leak. Remove the batteries from the remote control once they have run out, as leaving them in can cause them to leak. Battery fluid from leaked batteries is harmful to skin, therefore ensure you wipe them first and then remove them using a cloth.
The batteries included with this projector may run down in a short period, depending on how they are kept. Be sure to replace them as soon as possible with new batteries. Remove the batteries from the remote control if you will not be using the remote control for a long time. Comply with the rules (ordinance) of each local government when disposing of worn-out batteries.
1 – 6
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Connections
INPUT Terminals and Connectable Main Equipment
INPUT 1, 2 terminal
Connecting the computer. Connecting video equipment with compo­nent output terminal (DVD player, DTV decoder, DVD recorder with hard disc, etc.).
AUDIO (INPUT 1, 2) terminal Connecting an audio cable (Shared audio input terminal for INPUT 1 and 2).
Rear View
COMPUTER-RGB/COMPONENT OUTPUT terminal Connecting the monitor when you want to simultaneously watch the projection image on the monitor.
AUDIO (INPUT 3, 4) terminal Connecting an audio cable (Shared audio input terminal for INPUT 3 and 4).
INPUT 3 terminal Connecting video equipment with S-video output terminal (VCR, DVD player, etc.).
AUDIO OUTPUT terminal Connecting to an amplifier or other audio equipment with an audio cable (commercially available) (Shared audio output terminal for INPUT 1, 2, 3 and 4).
φ
Use an audio cable with minijack plug to connect to this terminal.
3.5 mm
RS-232C terminal Connecting the computer to control the projector.
LAN terminal (XG-MB67X-L only) (10 BASE-T/100 BASE-TX) Connecting the computer or the hub using a LAN cable.
INPUT 4 terminal Connecting video equipment without S­video output terminal.
1 – 7
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Connecting Pin Assignments
COMPUTER-RGB/COMPONENT INPUT 1, 2 and COMPUTER-RGB/COMPONENT OUTPUT Terminals
15-pin mini D-sub female connector
6
11
COMPUTER-RGB Input/Output
15
1
5
10
1. Video input (red)
2. Video input (green/sync on green)
3. Video input (blue)
4. Not connected
5. Not connected
6. Earth (red)
7. Earth (green/sync on green)
8. Earth (blue)
9. Not connected
10. GND
11. Not connected
12. Bi-directional data
13. Horizontal sync signal:TTL level
14. Vertical sync signal: TTL level
15. Data clock
Component Input/Output
1. PR(CR)
2. Y
B(CB
3. P
4. Not connected
5. Not connected
6. Earth (P
7. Earth (Y)
8. Earth (P
9. Not connected
10. Not connected
11. Not connected
12. Not connected
13. Not connected
14. Not connected
15. Not connected
)
R
)
B
)
RS-232C Terminal: 9-pin mini DIN female connector
8
9
6
5
7
3
4
12
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 RS Request to Send Connected to CS in internal circuit 8 CS Clear to Send Connected to RS in internal circuit 9 Not connected
RS-232C Terminal: 9-pin D-sub male connector of the DIN-D-sub RS-232C adaptor
15
69
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 RS Request to Send Connected to CS in internal circuit 8 CS Clear to Send Connected to RS in internal circuit 9 Not connected
:
RS-232C Cable recommended connection: 9-pin D-sub female connector
51
96
Pin No. Signal Pin No. Signal
1CD 1 CD 2RD 2 RD 3SD 3 SD 4ER 4 ER 5SG 5 SG 6DR 6 DR 7RS 7 RS 8CS 8 CS 9CI 9 CI
Note:
Depending on the controlling device used, it may be necessary to connect Pin 4 and Pin 6 on the controlling device (e.g. computer).
Projector
Pin No.
4 5 6
Computer
Pin No.
4 5 6
LAN Terminal : 8-pin RJ-45 modular connector (XG-MB67X-L only)
Pin No. Signal Pin No. Signal
1TX+ 5 2TXÐ 6 RXÐ 3RX+ 7
8...1
48
1 – 8
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

[3] DIMENSIONS

Units: inches (mm)
(5)
64
/
13
(280)
32
/
1
11
(9)
64
/
23
(109)
64
/
19
4
(11)
16
/
7
φ97/64(69.2)
3
1213/32(315)
5
/32(80)
1
3
/16(77.5)
55
7
(47)
64
/ 1
(73)
8
/ 2
(104)
64
/
7
1 – 9
11
1
2
(75)
/32(33.8)
61
/
64
53
1
(46.2)
(47.5) 4
8
/
7
1
(11)
16
/
7
219/
/
64
32
(65.5)

[4] Regarding the lamp

Regarding the Lamp
Lamp
It is recommended that the lamp (sold separately) be replaced when the remaining lamp life becomes 5% or less, or when you notice a significant deterioration in the picture and color quality. The lamp life (percentage) can be checked with the on-screen display. Purchase a replacement lamp of type AN-XR20L2 from your place of purchase, nearest Sharp Authorized Projector Dealer or Service Center.
IMPORTANT NOTE TO U.S. CUSTOMERS:
The lamp included with this projector is backed by a 90-day parts and labor limited warranty. All service of this projector under warranty, including lamp replacement, must be obtained through a Sharp Authorized Projector Dealer or Service Center. For the name of the nearest Sharp Authorized Projector Dealer or Service Center, please call toll-free: 1-888-GO-SHARP (1-888-467-4277).
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Hg LAMP CONTAINS MERCURY For State Lamp Disposal Information www.lamprecycle.org or 1-800-BE-SHARP
U.S.A. ONLY
Caution Concerning the Lamp
ı This projector utilizes a pressurized mercury lamp. A loud sound may indicate lamp failure. Lamp
failure can be attributed to numerous sources such as: excessive shock, improper cooling, surface scratches or deterioration of the lamp due to a lapse of usage time. The period of time up to failure largely varies depending on the individual lamp and/or the condition and the frequency of use. It is important to note that failure can often result in the bulb cracking.
ı When the lamp replacement indicator and on-screen display icon are illuminated, it is recommended
that the lamp be replaced with a new one immediately, even if the lamp appears to be operating normally.
ı Should the lamp break, there is also a possibility that glass particles may spread inside of the
projector. In such a case, it is recommended you contact your nearest Sharp Authorized Projector Dealer or Service Center to assure safe operation.
ı Should the lamp break, the glass particles may spread inside the lamp cage or gas contained in the
lamp may be vented into the room from the exhaust vent. Because the gas in this lamp includes mercury, ventilate the room well if the lamp breaks and avoid all exposure to the released gas. In case of exposure to the gas, consult a doctor as soon as possible.
Replacing the Lamp
Caution
Do not remove the lamp unit from the projector right after use. The lamp will be very hot and may cause burn or injury.
ı Carefully change the lamp by following the instructions described in this section. * If you wish,
you may have the lamp replaced at your nearest Sharp Authorized Projector Dealer or Service Center.
* If the new lamp does not light after replacement, take your projector to the nearest Sharp Authorized
Projector Dealer or Service Center for repair.
1 – 10
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Removing and Installing the Lamp Unit
Warning!
Do not remove the lamp unit from the projec­tor right after use. The lamp and parts around the lamp will be very hot and may cause burns or injury.
Info
Make sure that you remove the lamp unit by the handle. Do not touch the glass surface of the lamp unit or the inside of the projector. To avoid injury to yourself and damage to the lamp, make sure you carefully follow the steps below. Do not loosen other screws except for the lamp unit cover and lamp unit.
Optional
accessory
Lamp unit
AN-XR20L2
(for PG-MB56X/ PG-MB66X/ XG-MB55X-L/ XG-MB65X-L/ XG-MB67X-L)
STANDBY/ON button
Press STANDBY/ON on the pro-
1
1
jector or STANDBY on the re­mote control to put the projector into standby mode.
Wait until the cooling fan stops.
Disconnect the power cord.
2
3
Unplug the power cord from the AC socket. Leave the lamp until it has fully cooled down (about 1 hour).
Remove the lamp unit cover.
Turn the projector over. Loosen the user service screw (ı ) that secures the lamp unit cover. Remove the lamp unit cover
2
(ˇ ).
1
AC socket
1
2
User service screw (for lamp unit cover)
1 – 11
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Regarding the Lamp (Continued)
Remove the lamp unit.
4
Loosen the securing screws from the lamp unit. Hold the lamp unit by the handle and pull it in the direction of the arrow. At this time, keep the lamp unit horizontal and do not tilt it.
Insert the new lamp unit.
5
5
Press the lamp unit firmly into the lamp unit compartment. Fasten the securing screws.
Replace the lamp unit cover.
6
Align the tab on the lamp unit cover
1
(ı )and place it while pressing the tab
2
(ˇ ) to close it. Then tighten the user ser­vice screw ( ) to secure the lamp unit cover.
3
Info
If the lamp unit and lamp unit cover are not correctly installed, the power will not turn on, even if the power cord is con­nected to the projector.
Handle
Securing screws
2
3
1
Resetting the Lamp Timer
Reset the lamp timer after replacing the lamp.
Info
Make sure to reset the lamp timer only when replacing the lamp. If you reset the lamp timer and continue to use the same lamp, this may cause the lamp to become damaged or ex­plode.
Connect the power cord.
1
1
Plug the power cord into the AC socket of the projector.
Reset the lamp timer.
2
While simultaneously holding down
MENU/HELP, ENTER and on the projector, press STANDBY/ON on the projector. "LAMP 0000H" is displayed, indicating that the lamp timer is reset.
AC socket
STANDBY/ON button
ENTER button
MENU/HELP button
button
1 – 12
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
XG-MB55X-L

CHAPTER 2. REMOVING OF MAJOR PARTS

Service Manual

[1] Removing the lamp door and the lamp unit

1. Loosen the lamp door fixing screw. Lift off the lamp door.
2. Remove 2 lamp unit fixing screws to detach the lamp unit.
1-1
Lamp Door

[2] Removing the top body

1. Remove 8 top body fixing screws to detach the Top body.
1-2
1-2
Lamp Unit
2-1
Top Body
Bottom Body
2-1
2 – 1
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

[3] Removing the main PWB unit

1. Remove all connectors from the main PWB unit.
2. Remove 2 terminal fixing screws.
3. Remove 3 main PWB fixing screws to detach the main PWB unit.
3-3
[RC]
[CW]
[SO]
[FA]
[MO]
[FB]
[EA]
[LF]
3-1
[BB]
MAIN PWB Unit
[FD]
[FC]
3-3
3-2

[4] Removing the speaker, fan, and power supply ballast unit

1. Remove the speaker.
2. Remove 2 fans for the power supply ballast unit and 1 fan for the optical mechanism unit.
3. Remove 2 bimetal fixing screws to detach the bimetal.
4. Remove 2 lamp socket fixing screws to detach the lamp socket.
5. Remove 1 inlet fixing screw.
6. Remove 4 ballast unit fixing screws to detach the power supply ballast unit.
7. Remove 4 ballast shield (upper) fixing screws to detach the ballast shield (upper).
8. Remove 2 ballast PWB fixing screws and 1 clip to detach the power supply PWB unit from the ballast shield (lower).
POWER SUPPLY BALLAST Unit
Lamp Socket
Fans for power supply ballast unit
Fan for optical mechanism unit
4-2
4-3
Bimetal
4-6
4-4
4-1
Speaker
2 – 2
POWER SUPPLY BALLAST PWB Unit
4-5
4-7
Ballast shield (upper)
4-7
4-8
Ballast shield (lower)
4-8
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

[5] Removing the optical mechanism unit and RC light receiver PWB

1. Remove 4 optical mechanism unit fixing screws to detach the optical mechanism unit.
2. Remove the RC light receiver PWB unit.
5-1
Optical Mechanism Unit
RC Light Receiver PWB
5-2

[6] Removing the photosensor PWB unit, blower fan, DMD PWB, and DMD

1. Remove 1 photosensor PWB fixing screw to detach the photosensor PWB.
2. Remove 2 blower fan fixing screws to detach the blower fan.
3. Remove 4 DMD heat sink fixing screws to detach the DMD PWB unit and the DMD.
DMD
Optical Mechanism Unit
Photosensor PWB Unit
6-1
Blower fan
DMD spring
6-2
DMD socket
DMD PWB Unit
Backer plate
DMD heatsink
6-3
2 – 3
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
XG-MB55X-L

CHAPTER 3. THE OPTICAL UNIT OUTLINE

Service Manual

[1] THE OPTICAL UNIT OUTLINE

1. Layout for proper setup of the optical components and parts (top view) (Schematic diagram)

Projection lens
Illumination lens 2
Illumination lens 1
Reflection mirror
Plastic Lens
Color wheel
DMD
Item Function
Lamp Light source. DC high-pressure mercury lamp. UV/IR cut filter (UV GLASS) Filters out harmful UV and IR rays from the lamp. Color wheel Splits light from the light source into R, G, B and W through a color filter. Rod (ROD INTEGRATOR) Assures uniform light ray. Illumination lens (ILLUMINATION LENS 1, 2) Reflection mirror Reflects light from the illumination lenses toward DMD. Condenser Lens (PLASTIC LENS) DMD Turns the internal micromirror ON/OFF at the rate of color component of each dot of the input
Projection lens Enlarges light from DMD and projects it on a screen.
Focus light from the rod on DMD.
Condenses the light from the reflection mirror to the DMD and the pupil of the projection lens.
source to reflect light.
Rod Integrator
UV Glass
Lamp
3 – 1
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

2. When the DMD unit has been replaced

If shading shown in Figure 1 appears on the screen after replacing DMD, turn the adjustment screw of the optical engine to adjust the lighting area of DMD.
1. Loosen the adjustment lever fixing screw . After adjusting the lighting area with the adjustment lever , tighten the adjustment lever fixing
screw .
1
1
Tightening order: →→→
2
Fig. 1
Screw torque: 0.44 ± 0.05 N·m
Shading
When mounting DMD, tighten the 4 screws evenly.
3 – 2
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
XG-MB55X-L

CHAPTER 4. ELECTRICAL ADJUSTMENT

Service Manual

[1] ELECTRICAL ADJUSTMENT

No. Adjusting point Adjusting conditions Adjusting procedure
1 EEPROM
initialization
2 Model setting (Process menu)
3 Adjustment of CW index 1) Signal input: Send 256 STEP color bar.
1) Turn on the power (with the lamp on) and warm up the set for 15 minutes.
1) Select the following group and subject. Group: CONFIRM Subject: MODEL
XGA series (XGA60HZ), SVGA series (SVGA60HZ)
2) Select the following group and subject. Group: ADJUST CW/Auto KS Subject: CW-INDEX.
• Make the following settings. Press S2551 to call the process mode and execute “SS2” on SS menu.
1) Set as below. MB67X-L : 2 MB65X-L : 4 MB66X : 5 MB55X-L : C MB56X : D
1) Feed the signal to input 1.
2) Select the adjustment item and adjust the lamp gradation patterns of RGBW so that smooth pat­terns without noise appear.
W
R
G
4 R/G/B contrast adjustment
(manual or automatic)
5 RGB white balance adjustment 1) Feed the 50% gray signal.
6 sRGB white balance adjustment 1) Feed the 50% gray signal.
7 Auto keystone initialization
(XG-MB67X-L only) and audio output check
1) Select the following group and subjects. Group : ADJUST AD/DLP Subject : R-CONT G-CONT B-CONT (Process GAMMA interlock)
2) Feed white signal with the amplitude level of 96% (0.67Vpp). XGA series (XGA60HZ), SVGA series (SVGA60HZ)
XGA series (XGA60HZ), SVGA series (SVGA60HZ)
2) Select the following group and subjects. Group : ADJUST AD/DLP Subject : R-GAIN G-GAIN B-GAIN
XGA series (XGA60HZ), SVGA series (SVGA60HZ)
2) Select the following group and subjects. Group : CONFIRM/DLP Subject : S-G-OS S-B-OS
1) Select the following group and subjects. Group : ADJUST CW/Auto KS Subject : CAL
B
1) Measure chromaticity of the 96% white wind pat­tern using CA100.
2) On the screen where bit dropouts occur, raise the values of R/G/B-Contrast. Adjust the values so that bright red, green, and blue bit dropouts appear on a black background; and amounts of change in x value of R and y values of G/B become 100/1000 or more.
3) If adjustment is performed manually watching the screen, make adjustment so that bright red, green, and blue bit dropouts appear on more than half of the screen.
1) Raise the values of two of R/G/B-GAIN (default:
100) so that the following chromaticity values are obtained using CL200. x value: 300 ± 5 y value: 320 ± 5
1) Adjust S-G-OS and S-B-OS so that the following chromaticity values are obtained using CL200. x value: 313 ± 5 y value: 329 ± 5
1) With the set placed on a level surface, press the ENTER key and check that K-SENS value is 0 ±3. Check that keystone is caused by tilting the unit. (XG-MB67X-L only)
2) Check that the start-up sound is heard from the speaker when the ENTER key is pressed.
4 – 1
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Check items
No. Adjusting point Adjusting conditions Adjusting procedure
1 1 Adjustment of RGB brightness 1) Select the following group and subjects.
2 Adjustment of Component offset 1) Feed 10-step signal with 480P compo-
3 Adjustment of DLP Brightness 1) Select the following group and subject.
4 Video Contrast adjustment 1) Feed NTSC 100% wind pattern signal.
5 Adjustment of Video Brightness 1) Feed NTSC 100% wind pattern signal.
6 Adjustment of Video Tint 1) Feed split color bar.
7 Adjustment of Video color satura-
tion
8 RGB tone reproduction adjust-
ment
Group : CONFIRM/AD Subject : R-BRIGHT G-BRIGHT B-BRIGHT (Process GAMMA interlock)
nent 100% amplitude.
2) Select the following group and subjects. Group : CONFIRM/AD Subject : C-R-OS C-B-OS (Process GAMMA interlock)
Group : CONFIRM/DLP Subject : R-BLK G-BLK B-BLK (Process GAMMA interlock)
(Signal with burst)
2) Select the following group and subjects. Group : CONIRM/VIDEO Subject : V-CONT
(Signal with burst)
2) Select the following group and subject. Group : CONFIRM/VIDEO Subject : V-BRIGHT
2) Select the following group and subject. Group : CONFIRM/VIDEO Subject : V-HUE
1) Select the following group and subject. Group : CONFIRM/VIDEO Subject : V-COLOR
1) Feed the SMPTE pattern signal. 1) Make sure the 100% and 95% white as well as the
1) Check the fixed value. Fixed value : 127
1) Check the fixed value. C-R-OS : 260 C-B-OS : 260
1) Check the fixed value. Fixed value : 256
1) Check the fixed value. Fixed value : 124
1) Check the fixed value. Fixed value : 68
1) Check the fixed value. Fixed value : 128
1) Check the fixed value. Fixed value : 154
0% and 5% black gradations are visible.
9 VIDEO white balance adjustment 1) Feed the 50% gray signal.
2) Select the following group and subjects. Group : CONFIRM/VIDEO Subject : V-R-OS V-B-OS
10 White balance checking and
readjustment
11 Off-timer performance 1) Select the following group and subjects.
12 Thermistor performance checking 1) Heat the thermistor with a hair dryer. 1) Make sure that the temperature is indicated. 13 Auto sync performance checking 1) Feed the phase check pattern signal. 1) In the VGA, SVGA, XGA and SXGA modes, make
1) RGB Input sRGB Input VIDEO Input DTV Input DVD Input
Group : CONFIRM/CHECK Subject : TEMP-OFF
1) V-R-OS is 132. V-B-OS is 132.
1) Check that there is no deviation of white balance with the monitor.
1) Select OFF from the process mode. Make sure the off-timer starts with 5 minutes onscreen and count one minute in one second. And then indication is 0 minute, the power supply of the set is cut off.
sure the Clock, Phase, H-Pos and V-Pos settings can be automatically adjusted.
4 – 2
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
Destination Process Remote control
adjustment adjustment
USA SS4 Factory setting at 4
China SS6 Factory setting at 6
Others SS3 Factory setting at 3
No. Adjusting point Adjusting conditions Adjusting procedure
14 Monitor out check 1) Send signals to INPUT 1 and INPUT 2.
2) Connect another monitor to the monitor out.
3) Connect the audio OUT.
15 RS232C operation check 1) Connect the unit and a PC with the
RS232C cable.
16 Model name and version check 1) Select the following group.
Group : INFO/VERSION.
17 Delivery settings 1) Make the following settings.
* Writing a software program (before main PWB is mounted)
Use the DLP Composer Lite Ver. 4.2 or higher to download the firmware.
After writing the specified version of firmware to the PWB using the RS232C cable, check the version of the written firmware.
If no software program is written, all three LEDs light up in the chassis inspection process.
Calling and quitting the process mode with the control keys on this model.
* Although it is possible for the process OUT to exit using the process menu, the IN/OUT toggle command is also available considering the existing
specification.
1) Calling and quitting
With the menu not displayed, press the “ENTER”, “ENTER”, “VOL+”, “VOL-”, “ENTER”, “ENTER” and “MENU” keys on the remote control (one for C50/45 or P25/20 system is also usable) or on the main unit.
2) Others
Press the S2551 process key (toggle) on the main PWB to call and quit the process menu.
NOTE: When adjusting in the process mode, set a signal with a vertical frequency of 60 Hz or no signal. (May not be properly adjusted with other sig-
nals.)
1) Check that the same images as seen on the screen appear on the connected monitor and that the sound from the sound source connected to the audio OUT is heard.
1) Send a command from the PC, and check it func­tions correctly.
1) The model name appears in the MODEL field, and the firmware version in the VERSION field. Check that they are correct.
Resetting the lamp timer for this model
1) Resetting procedure
In Stand-by, run this command to clear the operating time of the lamp to 0 and turn on the power.
Press and hold “ “, “ENTER”, and “MENU”, and then press the “STANDBY/ON” key of the set.
Forced disabling of the System-Lock of this model
1) Disabling procedure
With System-Lock input window onscreen, press the “MENU”, “ENTER”, “ENTER”, “MENU”, “ENTER”, “ENTER” and “MENU” keys, in this order, on the remote controller.
4 – 3
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

[2] Adjustment mode process menu

1st Layer 2nd Layer Default
ADJUST CW/Auto KS CW-INDEX 20
CAL K-SENS (0)
AD/DLP R-CONT 110
G-CONT 110 B-CONT 110 R-GAIN 100 G-GAIN 100 B-GAIN 100
SS SS1
SS2 — SS3 — SS4 — SS5 — SS6
CONFIRM AD R-BRIGHT 127
G-BRIGHT 127 B-BRIGHT 127 C-R-OS 260 C-B-OS 260
DLP R-BLK 256
G-BLK 256 B-BLK 256 S-R-OS 128 S-G-OS 128 S-B-OS 128
VIDEO V-CONT 124
V-BRIG HT 68 V-COLOR 154 V-HUE 128 V-R-OS 132 V-G-OS 128 V-B-OS 132 OFFSET-MODE 0 OFFSET-CONT 0
OFFSET-BRI 0 MODEL MODEL-SELECT 1 CHECK LED-CHK 0
TEMP-OFF
INFO VERSION MODEL
VER. — PATTERN RGB 1
RGB50 1
CORSS 1
STEP 1
COLOR 1
CHR 1 LAMP CURRENT 0
HISTORY1 0
HISTORY2 0
HISTORY3 0
HISTORY4 0
TOTAL 0 TEMP/FAN TEMP1
TEMP2
FAN0 3
FAN1 3
FAN2 3
OTHER 232C 232C-MODE 0
EXIT
4 – 4
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L

1. Adjustment of ballast unit output power (lamp power)

1. List of parts requiring adjustment
When replacing the following parts, adjust the ballast unit output power (lamp power).
Part name Ref No. Part code
1 Cement resistor R905 RR-FZA002WJZZ 2 Ballast Control PWB —— DUNTKD148WEF5/6 3 Ballast microprocessor IC7707 RH-iXB957WJZZQ 4 5V regulator IC7704 VHITA78L05F-1Y 5 Ballast Unit IC7701 VHIM51995AF-1Y
2. Adjustment jigs
The following jigs are required for adjusting the ballast unit output power (lamp power).
Part name Part code Manufacturer
1 Adjustment jig (resistance load 25 ) RUNTZA018WJZZ Asahi Communication 2 Connecting cord (conversion cable) QCNWKA016WJZZ SMK
3. Ballast unit output power (lamp power) adjustment method
Adjust the ballast unit output power (lamp power) in the following method.
[Setting method]
PG-MB56X PG-MB66X XG-MB55X-L XG-MB65X-L XG-MB67X-L
Projector
Ballast Unit Lamp Cable
Connecting Cord
(QCNWKA016WJZZ)
Tester (Voltage)
TP1
Adjustment Jig
(RUNTZA018WJZZ)
TP2

2. Adjustment method

1) Unplug the ballast unit lamp cable of the projector from the lamp and connect the cable to the connecting cord (QCNWKA016WJZZ).
2) Connect the connecting cord (QCNWKA016WJZZ) to the adjustment jig (RUNTZA018WJZZ).
3) Connect TP1 of the adjustment jig (RUNTZA018WJZZ) to the negative terminal of the tester and TP2 to the positive terminal.
4) Turn on the projector.
5) Check the lamp setting to “Bright”.
6) Age the projector for 60 seconds or more.
7) Adjust the volume resistor (R7728) of the ballast control PWB (DUNTKD148WEF5/6) so that the voltage of the tester reaches 83± 0.5 V.
Adjustment value: 83±0.5 V
CAUTION: 1) Caution for electric shock: Do not touch the test points TP1 and TP2 of the adjustment jig when supplying power since a high voltage
and large current is applied to them.
2) Caution for heat: Be careful that the resistance load of the adjustment jig produces a high temperature when supplying power.
3) Connection of the lamp cable: Check that the lamp cable and connecting cord (QCNWKA016WJZZ) are connected securely.
Poor connection may cause smoking or ignition due to arc discharge.
4 – 5
PG-MB56X/PG-MB66X/XG-MB55X-L/XG-MB65X-L/XG-MB67X-L
XG-MB55X-L

CHAPTER 5. TROUBLE SHOOTING TABLE

Service Manual

[1] TROUBLE SHOOTING TABLE

Checking the basic
operation
Does the power LED light up or flash in red or green?
YES
Does the set function with its keys or the remote controller?
YES
Lamp does not turn on or it turns off in a short time.
NO
Nothing is displayed or white vertical line noise
appears.
NO
NO
NO
YES
YES
Has P1701 come off or is it loose?
NO
Go to "Main PWB check".
Go to "Checking the lamp light-up".
Go to "DMD system check".
YES
Fully insert the connector.
Colors are not displayed normally. Color deviation and color fluctuation occur.
NO
Are RGB and component input displayed normally?
YES
Is VIDEO input displayed normally?
YES
Is S-VIDEO input displayed normally?
YES
END
YES
NO
NO
NO
Check PHOTO SENSOR circuit.
Go to "RGB and component signal check".
Go to "VIDEO input check".
Go to "S-VIDEO input check".
5 – 1
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