Panasonic PT-L711E User manual

ORDERNO. VED0008301C0
D10
LCD Projector
PT-L711E/ PT-L711U / PT-L701E/ PT-L701U / PT-L501E/ PT-
L501U / PT-L1711 / PT-L1701 / PT-L1501
SPECIFICATIONS
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MC-Service

2000 Matsushita ElectricIndustrial Co., Ltd. All rights reserved.
Unauthorizedcopying and distribution isaviolation oflaw.
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1. SafetyPrecautions
1.1. General Guidelines
-Forcontinuedsafety, no modification ofanycircuitmust be
attempted.
-Unplug thepowercordfromthepoweroutlet beforedisassembling
thisprojector.
-Itisadvisabletouse anisolation transformerintheACpowerline
beforetheservice.
-Observetheoriginal leaddress during theservice. Ifashortcircuit
isfound, replace all theparts overheatedordamagedbytheshort
circuit.
-Aftertheservice, all theprotectivedevices suchas insulation
barriers, insulation papers, shields, and isolation R-C
combinationsmust beproperlyinstalled.
-Aftertheservice, check theleakagecurrenttopreventthe
customerfromgetting anelectricshock.
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1.2. LeakageCurrentCheck
1. Preparethemeasuring circuitas showninFig.1.
Besuretouse avoltmeterhaving theperformance describedin
Table1. Fig. 1
Table1
Fig. 2
2. Assemblethecircuitas showninFig. 2. Plug thepowercordina
poweroutlet.
3. Connect M1toT1according toFig. 2and measurethevoltage.
4. Changetheconnection ofM1fromT1toT2and measurethe
voltageagain.
5. Thevoltmetermust read0.375 Vorlowerinbothofsteps3and 4.
Thismeansthat thecurrentmust be0.75 mAorless.
6. Ifthereading isoutoftheabovestandard, theprojectormust be
repairedand recheckedbeforereturning tothecustomerbecause
ofapossibilityofanelectricshock.
1.3. UVPrecaution and UHMLampPrecautions
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-Besuretounplug thepowercordfromthepoweroutlet when
replacing thelamp.
-Because thelampreaches averyhigh temperatureduring its
operation, waituntil itcoolscompletelywhenreplacing theLamp
Unit.
-Thelampemits small amounts ofUV-radiation, avoiddirect-eye
contact withthelight.
-Because thehigh pressurelampinvolves arisk ofexplosion, never
touchthelampwireleadduring theservice. (See Fig. 3)
Fig. 3
2. Operating Instructions
3. Self-Check Mode
Thismodeisusedtonarrowdownthelocation ofthefailure.
3.1. Proceduretoentertheself-check mode
Whilepressing theVOLUME "—" button on theremotecontrol unit, press theleft-arrow" "
button on themainunit3secondsor longer.
3.2. Self-Check Displayand Contents
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MC-Service

3.3. Canceling theself-check mode
Press theMENU button on themainunitor theremotecontrol unit.
4. Service Mode
Thismodeisusedtodisplay three kindsoftestpatterns(Crosshatch, FlickerAdjustmentand
White)inthefour colors(White, Red, Greenand Blue).
4.1. Proceduretoentertheservice mode
1. Select "FRONT/REAR"on theOPTIONmenu.
MENU OPTIONFRONT/REAR
2. Whilepressing theVOLUME"+"button on theremote control unit,
press theleft-arrow " "button on themainunit3secondsor
longertoentertheservice mode.
3. Intheservice mode, pressing theup-arrow " "ordown-arrow "
"button on theremote control unitallowsthetest pattern
selection [Horizontal Lines / Vertical Lines / Dots / White (No
pattern)] and theleft-arrow " "orright-arrow " "button the
colorselection (White / Red/ Green/ Blue).
4.2. Canceling theservice mode
Press theMENU button on themainunitor theremotecontrol unit.
5. DisassemblyInstructions
Warning:
-Besuretounplug thepowercordfromthepoweroutlet before
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disassembling thisprojector.
Caution:
-Whileturning overaprintedcircuitboard, besuretoputa
insulating material underittopreventashortcircuit.
-Printedcircuitboardsand wires must notbepulledforcibly, butbe
handledcarefully.
-Connectorsalsomust behandledcarefully.
-Afterrepairing thisprojector, besuretoputback thewires and
connectorstotheoriginal condition.
5.1. PrintedCircuitBoardand MainParts Location
Electrical Parts
Optical Parts
5.2. Removal ofUpperCover
1. Turnover(upsidedown)themainunitand unscrew the5screws
fixing theuppercover.
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2. Returnthemainunittothenormal position and extend the
carrying handle.
3. Unscrew the2screws.
4. Lift theuppercoverand disconnect the2connectorsfromthe
speakers.
5.3. Removal ofA-Module
Notes:
-Ifreplacing A-Module, readthemicrocomputerand gammadata
fromtheoldmoduleand write itinthenew oneaccording tothe
section 6.5. "SoftwareforAdjustment". (Ifnot, removeIC1041 and
IC1036 fromtheoldmoduleand replace themon thenew module.)
-Ifreplacing A-Module, adjust theInputLevel according tothe
chapter6"Measurementand Adjustments".
1. Removetheuppercoveraccording tothesection 5.2. "Removal of
UpperCover".
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2. Openthecardremote control unitholder.
3. Unscrew the2screwsfixing theconnectorpanel.
4. Disconnect theconnectorsfrom/totheA-Module.
5. Unscrew the5screwsand removetheA-Module.
5.4. Removal ofZ3-P.C.Board
1. Removetheuppercoveraccording tothesection 5.2. "Removal of
UpperCover".
2. RemovetheA-Moduleaccording tothesection 5.3. "Removal ofA-
Module".
3. Unscrew the1screw fixing theZ3-P.C.Board.
4. Disconnect theconnectorand removetheZ3-P.C.Board.
5.5. Removal ofK-P.C.Board
1. Removetheuppercoveraccording tothesection 5.2. "Removal of
UpperCover".
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2. RemovetheA-Moduleaccording tothesection 5.3. "Removal ofA-
Module".
3. Unscrew the1screw and removetheconnectorpanel.
4. Unscrew the2screwsfixing theK-P.C.Boardunit.
5. Disconnect theconnectorand removetheK-P.C.Boardunit.
6. Removethebarrierforinsulation.
Note:
-Aboveprocedure(steps1-6) becomes possibletoreplace
components oftheK-P.C.Board.
7. Unscrew the2screwsfixing theK-P.C.Board.
8. Unsolderterminalsofthepowerinputsocket (ACIN).
9. UnsolderterminalsoftheMAINPOWERswitchand removetheK-
P.C.Board.
5.6. Removal ofZ2-P.C.Board
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