Service manuals, schematics, eproms for electrical technicians
LG 37LD450-CA CHASSIS LC01B
Type: 
(PDF)
(PDF)Size
10.1 MB
10.1 MB
Page
43
43
Category
TV
SERVICE MANUAL
TV
SERVICE MANUAL
If you get stuck in repairing a defective appliance download this repair information for help. See below.
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Good luck to the repair!
Please do not offer the downloaded file for sell only use it for personal usage!
Looking for similar lg manual?
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- Also known:
LG CHASSIS LC-01B 37LD450CA LC01B 37 LD 450 CA LC 01 37LD450 37LD450-CA
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- Please take a look at the below related repair forum topics. May be help you to repair.
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Relevant TV forum topics:
Üdv!
LG--32LH2000- LCD-Tv. Kikapcsol magától,majd magától visszakapcsol...
Segítséget kérnék így előre,mi lehet a hiba oka mire számítsakha elhozom a tv-t, még ügyfélnél van.
köszönöm.
Üdv!
Sziasztok !
Javításra került hozzám a fenti LCD tv táp(LGLP2637HEP ) hibával a szokásosnak mondható 6V-os problémával.
Q209 smd FET mellet 2db dióda szokott lenn D251 és D252.
De ebben csak D251 van beforrasztva ,D252 helye viszont gyárinak tünik,mintha soha nem lett volna itt alkatrész.
D251 anódja a testre katódja Q209 (IRF7807Z) G-re megy. D252 anódja Q209 S-re, katódja Q209 G-re menne,ha benne lenne.
Mi a tapasztalatotok ,ilyen változat is lehet ?
when i turn on the tv from standby i can access from control panel or remote control but after its red umber light blinks three times nothing comes/no video no audio / and to turn off i can access only from remote control i can't access from control panel.
please tell me what i am going to do
thank you so much
Üdv. Mester urak!
A tv nem indul, a táp az STV5V- ot kiadja. A LED nem világit. IC 500 tápfeszültségei megvannak.A quartzon nem tudok mérni rezgést. Azt szeretném kérdezni, hogy indulásnál szkóppal kellene-e látni a resetelést? KA75270 reset ic van benne, mikor rákapcsolom a készülékre a feszültséget akkor az ic kimenetén megjelenik a feszültség, de nem látom, hogy kis időre testelné a reset bemenetet.
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