Panasonic PTL759U - LCD PROJECTOR Manuale utente

ORDERNO. VED00073000A0

D10

LCD Projector

PT-L759U / PT-L759E / PT-L759A

SPECIFICATIONS

Specifications

LCD panels

1.3” Polysilicon LCD panel (W/MLA) X 3, / RGB shutter

method, using Translucent TN crystal panels

Drivemethod

ActiveMatrix4:3Aspect Ratiopanels, TFT (ThinFilm

Transistor)

No. of pixels

786 432 (1024 X 768) stripepixelsX 3panels

Lens

1-1.3zoomlens, F2.0-2.5, f45 mm- 59 mm Manual Focus

Projectorlamp

220 WUHM lamp

Contrast ratio

250 : 1

Brightness

2500 lumen/ ANSI

No. of colors

16 777 216

Screensize

0.508 m- 7.62 m(20” - 300”) (measureddiagonally)

Projection (throw) distance

0.85 m- 13.45 m(2.62’ - 44.29’)

Note

- Specificationsand design subject toChangewithout notice.

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Lensaxisshift

6: 1Lowposition

Colorsystems

PAL/SECAM/NTSC/PAL-M/PAL-N/NTSC4.43

Videoinput signal

1V [p-p], syncnegative, 75 terminated

S-Videoinput signal

Y (luminance signal) : 1V [p-p], syncnegative, 75

terminatedC (chrominance signal) : burst 0.286 V [p-p], 75

terminated

RGB1input signal, RGB2/ YPBPRinput signal

Videosignal

RGB Analog (0.7V [p-p], 1.0V [p-p] withsyncon green, 75

) YPBPR(Y : 1.0V [p-p], PB, PR: 0.7V [p-p], 75 )

Syncsignal

H/V separate, H/V composite, orSync-on-Green

H-Frequency

24 KHz - 85 KHz (TTL Level)

V-Frequency

50 Hz - 86 Hz (TTL Level)

Connectors

S-VideoInput: Mini DIN 4-pinX 1

VideoInput : RCApinX 1

VideoAudioInput: M3stereomini pinX 1

Serial Port (RS-232C): Mini DIN 8-pinX 1

MOUSE port: 13-pinround connectorX 1

RGB2/YPBPRInput: D-Sub mini 15-pinX 1

RGB/YPBPRAudioInput: M3stereomini pinX 1

RGB1input: D-Sub mini 15-pinX 1

Audiooutput: M3stereomini pinX 1

USB 4-pinX 1(TypeB)

Controls

Cabinet Buttons/ Switches

MainPower ON/OFF, Power ON/OFF, Volume+/-, Autosetup,

Menu, Input, , , , , Enter, Keystone

RemoteControl Buttons

Power ON/OFF, Freeze, Shutter, Mute, Volume+/-, Enter,

Menu, Input, , , , , Laser, D. Zoom+/-, Keystone,

Autosetup, Mouse, Click1, Click2

Audiooutput

1.5W(10%THD)

Speaker

70 mm X 40 mm X 1(2.76” X 1.58” X 1)

Operating Temperature

5°C to40°C (41°Fto104°F)

Operating Humidity

10%- 80%(non-condensing)

Note

- Specificationsand design subject toChangewithout notice.

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StorageTemperature

-25°C to40°C / (-13°Fto

104°F) 40°C to60°C / (104°Fto140°F)

StorageHumidity

5%- 85%(non-condensing) Normal humidity

Power Supply

100 V - 240 V AC (50 Hz or60 Hz) Automatic

Power consumption

370 W

DimensionsWX H X D

263 mm X 124 mm X 336 mm (10-6/16” X 4-14/16” X 13-14/

16”)

Amps

3.7A- 1.5A

Weight

13.9lbs. (6.3Kg)

Approvals

FCC, UL, C-UL, CE, VDE, FDA, CCIB

Note

- Specificationsand design subject toChangewithout notice.

Unauthorized copying and distribution isaviolation of law.

1. SAFETY PRECAUTIONS

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1.1. GENERALGUIDELINES

1. For continued safety, no modification of anycircuitshouldbe

attempted.

2. Disconnect AC Plug before disassembling thisunit.

3. Itisadvisableto use an isolation transformer inthe AC supply

before servicing.

4. When servicing, observe the original lead dress. Ifashort circuit

isfound, replace all parts which have been overheated or

damaged bythe short circuit.

5. After servicing, see to itthat all the protective devices such as

insulation barriers, insulation papers, shield, and isolation R-C

combinations etc. are properlyinstalled.

6. After servicing, be sure to restore the wires, leads, insulation

barriers, shields, etc.

7. After servicing, make the leakage current checks to prevent the

customer from being exposed to shock hazards.

Caution:

Use aseparate Isolation Transformer for thisunitwhen servicing.

1.2. LEAKAGECURRENTCHECK

1. Connect AC Plug to 120 voltor 240 voltAC outlet.

Donot use the ground prong of AC Plug. (See Fig. 1-2-1)

Donot use aisolation transformer for thischeck.

Fig. 1-2-1

2. Connect a1.5Kohms, 10 watts resistor, inparallel with a0.15 F

capacitor, between each exposed metallicpart on the set and a

good earth ground. (See Fig. 1-2-2)

Fig. 1-2-2

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3. Use an AC voltmeter, with 1000 ohms/voltor more sensitivity, to

measure the potential across the resistor.

4. Check each exposed metallicpart, and measure the voltage at

each point.

5. Reverse the AC plug inthe AC outlet and repeat each of the above

measurements.

6. The potential at anypoint shouldnot exceed 1.125 voltRMS. A

leakage current tester (Simpson Model 229 equivalent) maybe

used to make the hot checks, leakage current must not exceed

0.75 milliamp. Incase ameasurement isoutside of the

limitsspecified, there isapossibilityof shock hazard, and the LCD

Projector shouldbe repaired and rechecked before itisreturned

to the customer.

1.3. UV-PRECAUTION

1. Besure to disconnect the AC Plug when replacing the lamp.

2. Since the lamp reaches averyhigh temperature during its

operation, waituntil ithas completelycooled off when replacing

the Lamp Unit.

3. The lamp emits small amounts of UV-Radiation.

Avoiddirect-eyecontact. Fig. 1-3-1

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2. OPERATION GUIDE

Note:

-Atthisservice manual, itmentions onlythe Operating Instructions

of PT-L759Uas the representative of PT-L759U, PT-L759E and PT-

L759A.

-Because some pages inthe user instruction manual are used for

thischapter (page 5through 50 inthisservice manual)without

change, note that the page numbers showninthe sentences of

thischapter are those of the user instruction manual.

3. SERVICE CAUTIONS AND NOTES

3.1. SERVICEPOSITION

The position showninFig. 3-1-1 is usedforchecking, adjusting and replacing parts.

Extension Cable (LSUA0024) is necessaryforservicing.

Fig. 3-1-1

1. Inthe order described inthe "4.2. DisassemblyMethod of Cabinet

Parts" of 4. Disassembly/AssemblyProcedures, remove the Top

Cover Ass'y.

2. Remove 7screws(F) and 2screws(G)as showninFig. 4-2-6.

3. Disconnect connectors P3501, P3502, P3503 and P4001 on the

MainC.B.A.

4. Connect Extension Cables as follows:

A. Connect Extension Cable(36 pin) between P3501 on the Main

C.B.A. and LCD Red Unit.a) Connect Extension Cable(36 pin)

between P3501 on the MainC.B.A. and LCD Red Unit.

B. Connect Extension Cable(36 pin) between P3502 on the Main

C.B.A. and LCD Green Unit.

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C. Connect Extension Cable(36 pin) between P3503 on the Main

C.B.A. and LCD Blue Unit.

5. Carefullyplace the MainC.B.A. as showninFig. 3-1-2.

Note:

The LCD Projectorpowercannot be turnedon unless the AirFilterunit is correctlyinstalled.

6. After servicing, remove Extension Cables.

7. Reinstall the MainC.B.A., and reconnect connectors.

8. Make sure that all wires and leads are placed intheiroriginal

position.

Fig. 3-1-2

3.2. How to displayLamp operation time (Service Mode)

1. Connect ajumper wire between TP6012 and TP6013 on Main

C.B.A. for over 5seconds as showninFig. 3-2-1.

Fig. 3-2-1

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2. Lamp operation time will be displayed as showninFig. 3-2-2.

Fig. 3-2-2

3. Connect ajumper wire between TP6012 and TP6013 for over 5

seconds againor press MENU button on remote control inorder

to release from service mode.

Note:

Afterreplacing MainC.B.A., memorydata suchas

historyof lampoperation time has been

reset.However, it canbe remainedbyinstalling

EEPROM IC (IC6009) toreplacedMainC.B.A. from

original MainC.B.A.

3.3. How to initialize EEPROMIC

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If bothEEPROM IC’s (IC6009, IC6010) on MainC.B.A. are replaced: Afterreplacing both

EEPROM IC’s (IC6009, IC6010), be sure toperform eachof following steps inthe order

presented.

1. Connect ajumper wire between TP6016 and TP6017 on Main

C.B.A. for over 5seconds to set to factoryset mode. Then,

remove the jumper wire.

2. “FACTORY” appears on screen.

3. Connect ajumper wire between TP6016 and TP6017 againfor over

5seconds to initialize EEPROMIC’s. Then, remove the jumper

wire.

4. “SelfCheck” appears on screen.

5. Remove jumper wires and“MEMORYOK”appears on screen.

6. Perform adjustments 5-4-1 through 5-4-4 and 5-4-11 through 5-4-

16.

7. After completing all adjustments, press the MENU button to

memorize adjustment data inEEPROMICand release from the

FactoryAdjust mode.

Otherwise, adjustment data will be cancelled.

8. “FACTORY” appears on screen.

9. Press the POWERbutton on remote control inorder to release

from factoryset mode.

Note:

Wheninitializing EEPROM IC’s, memorydata suchas historyof lampoperation time and

adjustment data will be reset.

3.4. Lamp replacement procedure

Caution:

Lamp replacement procedure Caution: Because of possibilityof

injury, strictlyfollow the replacement procedure below.

1. After the cooling fan has stopped, and STANDBY(R)ON(G)

indicator turns solidred. Set the MainPower Switch to OFF and

unplug the power cord.

Note:

Please wait more thanone hourforlampreplacement.

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[Ifyou need to replace the lamp more urgently]

-The LCD Projector has aforced cooling feature. After the

POWERswitch isturned OFF, and sometime during about the

first minute of the normal cooling fan operation, press and

at same time. The cooling fan will change to high speed for

about 10 minutes. (The "C-d" STATUSCODEwill be

displayed.)

2. Grabbing the handle, place the LCD Projector up on its side as

illustrated.

3. Remove the Lamp cover screws.

First read caution and warning labelson Lamp cover. Then,

remove the Lamp cover screws(2), and take off the lamp cover.

Fig. 3-4-1

4. Remove the Lamp unitscrew.

Remove the lamp unitscrew (2), then grasp the Lamp unithandle

and carefullypull itfrom the LCD Projector. Keep Lamp housing

opening to your right. Donot touch Lamp or point Lamp opening

at anyone. Fig. 3-4-2

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