Service manuals, schematics, eproms for electrical technicians
LG 42LS3400-DA CHASSIS LT21C 1203-REV00
Type: 
(PDF)
(PDF)Size
5.1 MB
5.1 MB
Page
45
45
Category
TV
SERVICE MANUAL
TV
SERVICE MANUAL
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Good luck to the repair!
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- Also known:
LG CHASSIS LT-21C 42LS3400DA LT21C 1203REV00 42 LS 3400 DA LT 21 1203 REV 00 42LS3400 REV00 1203-REV00
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Relevant TV forum topics:
Sziasztok a fent emlitett tv fesz alá helyezve készenlét ok inditás után lassan villog de nem indul el.Külön led driver modulja van az a tápról megkapja a 24voltot,a main is kap 5v 12v szoft vagy esetleg led hiba miatt nem indul?
Szisztok !
Van egy kis problémám a tv-vel. Néha ha erősebb fehér hátterű műsor van, elkezd ugrálni a kép.
Miért csinálja ezt?
Mi a megoldás?
Philips - LG LCD TV tápot keresek... (többet is) 42"-os tv-hez
Sziasztok,
ez a táp időszakosan működik csak. Készenléti üzemmódban is csak hunyorog a LED, de nem hibakód, mert mérés alapján is egyértelmű hogy a tápfeszültségek ingadoznak. A lekapcsolgatásban nincs rendszer, tehát nem valami pulzáló üzemmódról van szó. Az RP05-06, CP09 és a TDA16846 IC kicserélve, minden átforrasztva, mégsem megy. 300Volt stabilan megvan a pufferen. Fóliaszakadást, rossz forrasztást nem látok. A CP09 kondin a feszültség nehezen követhetően ingadozik, nagyjából 9-13 Volt között.
Mi lehet még? Én kifogytam az ötletekből.
Köszi, üdv
Tamás
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