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SAMSUNG M51A TV D

TV - SERVICE MANUAL
Type: (PDF)
Size
4.2 MB
Page
15
Category
TV
SERVICE MANUAL
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  • Also known:
    SAMSUNG M-51A TV M51A 51
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Relevant TV forum topics:
Samsung Le-40C650 új mainboard beállítás
Sziasztok Van ez a TV. Új alaplapot tettek bele, ami hibás volt, de az kb ki lett javítva. Most ue40C7000-nek hiszi magát, s minden induláskor megkér, hogy állítsam be a service menüben a local, type stb dolgokat. info menü mute power-al belépve beállítom a kijelzőt neki, de a többi nem lehet állítani, mert le van szürkítve, átugorja... Hogyan tudom ezeket beállítani?? S persze még képhibás is, mert néhány sor el van tolódva.. Köszi L
Samsung_LTA320AP02 kijelzőn a képtartalom függvényében függőleges fehér csíkok vannak.
Szevasztok! A kijelző, egy Vortex VLCD32K1 készülékben van. Bekapcsoláskor, antenna nélkül, kék háttér bekapcsolásával, homogén kék a kép. Egy rövid bemelegedés után, jellel, a "fehérnél,( programszám, menü, a kép fehér tartalmában) függőleges csíkok jelennek meg. Jel nélkül egy ideig megmaradnak a fehér csíkok. A T-Con panelen (320AP03C2) minden feszültség rendben van. A hiba beazonosításának megkönnyítésére, mellékelek egy pár képet. Segítséget kérek, hogy ez a kijelző javítható hibája, vagy szoftveres hiba? Köszönöm Dr Távadó
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I have this TV equipped with the source BN44-00134A.Tv does not start, it is heard how the relay is continuously coupling and disconnecting. The stable voltage drop is STB = 6.5V, P-ON / OFF varies between 0.2-2.5V in normal operation = 2.6V) PFC between 360-385V (when going is 382V). All electrolytes, secondary-primary, have been changed, except the 220uF / 450V which is ok. In this state, if measure the voltage on the pins 1-2 to optocoupler PCS802, the relay stay connect and tv work normally . I have replaced the PCS802,801, the ICS 802 (KIA431), the QP803, the QS801, the QS802 checked. If I stop it(unplugged) and I restart the tv in a few minutes, it works normally, if I leave it a little longer, the defect returns. Any suggestion is welcome, I do not think it would be the problem with the mainboard. Thank you!
 I attach the power supply+ inverter schematic model BN44-00134A
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