Toshiba 37WLT67 User manual

SERVICE MANUAL
LCDColor Television
37WLT67 Ver.1
Thismodelis classified as a green product
(*1), as indicated by the underlined serialnumber.
ThisService Manualdescribes replacementpartsforthe green product. When repairing this
green product, usethe part(s)described in this manualand lead-free solder (*2).
For(*1)and (*2), referto GREENPRODUCTPROCUREMENT and LEAD-FREE
SOLDER.
©TOSHIBACORPORATION
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IMPORTANT NOTICE
WARNING:
Youare requested thatyoushallnot modifyoralter theinformationor data
provided hereinwithout prior writtenconsentbyToshiba.Toshiba shall not
be liabletoanybody for any damages,losses,expenses or costs,ifany,
incurred inconnection withor asaresultofsuch modification oralteration.
THE INFORMATIONORDATAHEREINSHALLBEPROVIDED"ASIS"
WITHOUTANYWARRANTYOFANYKIND, EITHEREXPRESS ORIMPLIED
WARRANTYOFMERCHANTABILITYANDFITNESSFORAPARTICULAR
PURPOSE.
Toshibashallnot be liablefor anydamages,losses,expensesorcosts,if
any,incurred inconnectionwithoras aresultofuse ofanyinformationor
dataprovided herein.
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GREEN PRODUCT PROCUREMENT
The ECis actively promoting the WEEE &RoHS Directivesthatdefine standards for
recycling and reuseofWaste Electricaland Electronic Equipmentand forthe Restriction of
the use ofcertain HazardousSubstances. FromJuly 1, 2006, the RoHS Directive will
prohibitany marketing ofnewproducts containing the restricted substances.
Increasing attention is given to issues related to the globalenvironmental. Toshiba
Corporation recognizes environmentalprotection as a key managementtasks, and is doing its
utmostto enhance and improve the quality and scopeofits environmentalactivities. In line
with this, Toshibaproactively promotes GreenProcurement, and seeks topurchase and use
products, parts and materials thathave lowenvironmentalimpacts.
Green procurementofparts isnotonly confined to manufacture. The same green parts used
inmanufacture mustalso beused asreplacementparts.
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LEAD-FREE SOLDER
Thisproductis manufactured using lead-freesolderas apartofa movementwithinthe
consumerproducts industry atlarge to beenvironmentally responsible. Lead-
freesoldermust
be used in the servicing and repairofthisproduct.
The melting temperatureoflead-freesolderishigherthan thatofleaded solderby 86 F to
104 F (30 Cto40 C). Useofa soldering iron designed forlead-based solders to repair
productmade with lead
-
free soldermayresultin damage to the componentand orPCB being
soldered. Greatcareshould bemadeto ensure high-quality soldering when servicing this
productespecially when soldering large components, through
-hole pins, and on PCBs asthe
levelofheatrequired to meltlead-free solderishigh.
WARNING: Thisproductismanufacturedusing lead free solder.
DONOTUSELEADBASEDSOLDER TOREPAIRTHISPRODUCT!
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SAFETY INSTRUCTION
SafetyPrecaution
1.An isolation transformershould be connected in the powerlinebetween the receiver
and the ACline before any service is performed on the receiver.
2.Always disconnectthe powerplug before any disassembling ofthe product. It may
resultin electricalshock.
3.When replacing a chassisin thecabinet, always be certain thatallthe protective
devices are putback in place, such as nonmetallic controlknobs, insulating covers,
shields, isolation resistor-capacitornetwork, etc.
4.
Always keep tools, componentsoftheproduct, etc away fromthe children, These items
may causeinjury to children.
5.Depending on the model, use an isolation transformerorwearsuitable gloves when
servicing with the poweron, and disconnectthepowerplug to avoid electricalshock
when replacing parts. In somecases, alternating currentis also impressed in the
chassis, so electricalshock ispossible ifthe chassis is contacted withthe poweron.
6.Always usethe replacementpartsspecified fortheparticularmodelwhen making
repairs. The parts used in products requirespecialsafety characteristicssuch as
WARNING: BEFORESERVICINGTHISCHASSIS,READ THE "SAFETY
PRECAUTION"AND"PRODUCTSAFETYNOTICE"INSTRUCTIONSBELOW.
WARNING: SERVICINGSHOULDNOTBEATTEMPTEDBYANYONE
UNFAMILIARWITHTHE NECESSARYPRECAUTIONSON THISRECEIVER.
THE FOLLOWINGARE THE NECESSARYPRECAUTIONSTOBEOBSERVED
BEFORESERVICINGTHISCHASSIS.
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SAFETYINSTRUCTION[LCD]ASIA, EU