Service manuals, schematics, eproms for electrical technicians

NIPPON CT20C CT 21CT CT20S CT14C CT25T CTV 2005R PRO21 ROYAL CTV1405 S140 S141 S142S1 SCH

TV - SERVICE MANUAL
Type: (PDF)
Size
1.6 MB
Page
44
Category
TV
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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NIPPON CT20C CT 21CT CT20S CT14C CT25T CTV 2005R PRO21 ROYAL CTV1405 S140 S141 S142S1 SCH service manual (1st page)
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NIPPON CT20C CT 21CT CT20S CT14C CT25T CTV 2005R PRO21 ROYAL CTV1405 S140 S141 S142S1 SCH service manual (2nd page)
Preview of NIPPON CT20C CT 21CT CT20S CT14C CT25T CTV 2005R PRO21 ROYAL CTV1405 S140 S141 S142S1 SCH [2nd page]
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  • Also known:
    NIPPON CT-20C CT CT-20S CT-14C CT-25T CTV PRO-21 CTV-1405 CT20C 21CT CT20S CT14C CT25T 2005R PRO21 ROYAL CTV1405 S140 S141 S142S1 20 21 14 25 2005 PRO 1405 140 141 142
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  • Please take a look at the below related repair forum topics. May be help you to repair.
Warning!
If you are not familiar with electronics, do not attempt to repair!
You could suffer a fatal electrical shock! Instead, contact your nearest service center!

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Relevant TV forum topics:
Nippon CT 2014 tv csatornahangolaskor nem all meg az adon.Megoldva
Szevasztok!! Egyik baratom talalt meg ezzel a TV-vel.A sortrafo mellett 5118H van szitazva,mint sassze tipus,de nem stimmel a "valosag" ,a rajzokkal amit talaltam.A csatolt rajznak az a resze egyezik azzal ahol a hibat sejtem. Hangolas elindul,VL-VH savokban semmi adot nem talal,UHF-ben talal nehanyat.Kapcsolo feszultsegek a tuner labain rendben vannak,varikap feszultseg 1-2V-tol 28,5V valtozik.(csatornavalto hiba).UHF savon azok az adok amiket talal,gyonyoruen jonnek,csak tul fut rajtuk.Nem is lassul a kereses,ado kozeleben.A processzor (M34300N4-012SP) 8-as laban (AFC),jel nelkul,0,5V-1V korul merheto,ahogy kozeledik az adohoz,4,2V-4,5V-ra emelkedik,majd ujra csokken 0,5V-1V-ra ahogy tavolodik.A kerdesem az lenne hogy a processzor hogy erzekeli az adora hangolast,hogy le kell alni,az AFC jelen kivul? Lehetseges hogy hibas a processzor?Tudom e valahogy szimulalni ( kulso feszultsegekkel) a processzornak,hogy "most kell megallni",hogy ki tudjam zarni, egyertelmuen,a processzor hibajat,csere nelkul?.A processzor es a KF IC (TA 8611AN) tapjai, feltetelezem hogy, rendben vannak,de ma az elkokat cserelem. Segitsegeteket elore is koszonom,Peter
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