Service manuals, schematics, eproms for electrical technicians

SONY KVM2142K PCA84C840P 0

TV - EPROM
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256.0byte
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Category
TV
EPROM
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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  • Also known:
    SONY KVM-2142K KVM2142K PCA84C840P KVM 2142 PCA 84 840
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  • See related repair forum topics below. May be help you to repair.
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Relevant TV forum topics:
Sony kv-29c3k(nincs fény)
Hali,van ez a kapott tv.:Pár bekapcsoláskor képcső tetején volt 1-2 kékszinű csík,most az sincs.Képcsőfűtés van,nagyfesz van,hang van,annyi hogy a képcs fűtés ellenálása át van kötve.Nézegettem forrasztások,jók,ell jók, diódák,tranyók nagyjából átnézve ,melegedésnek nincs nyoma.Lehet valami konkrét oka,vagy( képcső kuka )Nézegettem a fórumon de nem találtam eddig még ötletet.
Sony KV29FX65 AE-5 sasszi
Tisztelt Kollégák! Készenléti táp van, de a stby led nem világít a főtáprelé sem húz be. Ha átkötöm a sor elindul képeltérítés hibával.A led ekkor sem mutat életjelet.A tápok megvannak amit tudtam mérni, mert szerviz szempontból katasztrófa ez a készülék az M-board rövid csatlakozói miatt.Ha lenne ötlet, megköszönöm. Köszi, üdv, kovácsa,
Sony KDL-37EX402 the TV in dead, no LED, motherboard problem.
Hello

The TV does not show any sign of life , I started the troubleshoot as this , no power Led, no reaction when pressing the power button.

I checked the Power coming out from the power supply, the 3.3V_standby is correct and steady, then I checked the 1.2V_standby produced by IC6001 which Is good as well.

So I decided to control the main IC , IC4000 , he does not output any oscillation on the Xtal, Then I am now bloacked there.

The schematic is downloadable on this  website , the schema is weird because the processor is not represented with any Xtal output, but obviously it has one.

Thanks you for your hint and help.
Sony KV-21X1B Ko???
Sziasztok! Nemtudom mennyire ismeritek eme gépet, de olyan kis pofás, baromi jó hangfalakkal az oldalában. Nemtudom mit kezdjek vele. IC001 52 lábú proci hiányzik plusz egy 64 lábú IC200 jelölésű is :S ezenkívül nemtudom van-e baja :( Cső jó, leellenőríztem egy működő panellal. Van értelme belevágni vagy marad alkatrésznek Szerintetek? Köszönöm! Üdv: Pityesz
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