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SAMSUNG SP42W4HPX-BWT SP43T7HPX-SED-J54A-P-C1.5

TV - SERVICE MANUAL
Type: (PDF)
Size
9.5 MB
Page
79
Category
TV
SERVICE MANUAL
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  • Also known:
    SAMSUNG SP 42 HPXBWT 43 HPXSEDJ 54 APC SP42W4HPX BWT SP43T7HPX SED J54A C1.5
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  • See related repair forum topics below. May be help you to repair.
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Relevant TV forum topics:
Samsung LE32B350 tápegység nem indul
Sziasztok! Segítségre lenne szükségem. Van egy táphibás Samsung LE32B350 lcd televízióm BN44-00289B táppal. Hibajelenség: ha a hálózati 230V-ba dugom a készüléknek nem indul be a tápegysége. Félvezetők mérve jók, kondik mérve jók, nincs repedés vagy forrasztási probléma... Szerintem a UM801S -nek lenne feladata beindítani az első induláskor a tápot. Ezt az IC-t cseréltem de nem indul akkor sem táp. Viszont ha műszerrel bemérek a "HOT" oldali negatív táp és a TM801S trafo 3-as lábára azaz a 3-as lábat egy szinte végtelen ellenállással testre teszem akkor elindul (ami érthető) és tökéletesen működik a TV a hálózati 230V-ból kihúzásig. Ki-be lehet kapcsolni megy ameddig van rajta 230V. Valaki járt már így? Valami tipp?
Samsung CRT A51QGV csővel elmegy kép, visszajön, elmegy, visszajön......(MEGOLDVA)
Hi! Érdemes ezzel görcsölni? A szokásos Samsung csőbetegséget produkálja. Kösz
Samsung 50Hz A68KVL74X03 eltérítő
Sziasztok! Volna valakinek??? Köszi :) Üdv: Pityesz
lcd tv SAMSUNG LE40R71B relay clicking
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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