Service manuals, schematics, eproms for electrical technicians

CK5085Z

TV - EPROM
Type: (004)
Size
512.0byte
Page
---
Category
TV
EPROM
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  • Also known:
    CK-5085Z CK5085Z CK 5085
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  • See related repair forum topics below. May be help you to repair.
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Relevant TV forum topics:
Videoton TS 6357 hang modul hiba
Üdv.

A hang modul átalakításához kellene információ. Sajnos, nem találok kapcsolási rajzot a TS6357 hez.
Segítségeteket előre is köszönöm!
cuc7350 nincs piros szín
Sziasztok! A címbeli tévén nincs piros szín sem antennabemenetről, sem scartról, de még a menüben és a teletexten sincs. A katód nem zárlatos. A színvégfok ic jó összemérve egy tuti jóval. Kontakthiba nincs, az egész piros rész átforrasztva a tda8374 kimenetétől, plusz a teletext RGB kimenet is. Mi lehet még rossz? Köszi.
EMERSON LC320EM3F WON'T START: SOLVED
:taps2: This is a LCD TV brand EMERSON, model LC320EM3F and is completely death. At first revision, we detected some bad components in the switching power source: Switching MOSFET K10A50D, RESISTOR 0.19 Ohm, 2W, transistor switching controler 2SC5344, Zener Diode 1ZB36 (36V) and the 4A fuse. I had the SM of LC320EM9 model, so, the values of the components are different. I replace them all twice and they always broke again! FRUSTRATING! Then I realyze that changin the values nearly to the LC320EM9 model, I would obtain better results (see FILE ATTACHED) I replace the 0.19Ohm resistor by a 0.39Ohm, maximizing the pulse received for the control transistor, for that purpose, also changed the 2.4KOhm resistor for 5.6KOhm. The switching MOSFET used was IRF640 replacing K10A50D, and transistor 2SC5344 was replaced by 2N5551. Finally we add a Zener diode not included in original board (marked with blue circle) limiting the colector voltage and gate voltage to 26V. For short, when we connect the power cord, every thing was fine, except than voltages at secondary of main transformer, was only 3.2V DC in all rectifiers. Found a diode in short-circuit (circled in red), replaced it and BINGO!, the TV return to live again!!!! I Hope it serves as a nice experience for the future.
GRUNDIG 48VLE6421BL TV-hez keresek softot Chassis:KT MEGOLDVA
Tisztelt Kollégák!
Segítséget szeretnék kérni!
A fenti készülék előlapi kék LED-je hálózatra kapcsoláskor 5-öt villan aztán elalszik és semmi további életjelet nem ad a készülék.
Innen  https://forum.iwenzo.de/grundig-service-anleitung-blinkcode--p300465.html#real300465  letöltöttem a KT chassihoz ajánlott softot és megpróbáltam USB keresztül rátölteni (Letölt, USB stick-re kibont, stick bedug, vezérlő joystik nyomva tart, hálózatba dug), kék LED kb. 10-et villog, a 8.-nál háttér LED-ek bekapcsolnak, képernyő fekete, tartalom semmi, a 10. villanás után kék LED égve marad, de semmi egyéb.
Kínomban megpróbáltam a joyt le vagy felnyomva a rátöltést megpróbálni, ekkor egy pillanatra bevillan egy felírat: "PLEASE DO NOT POWER OFF     LOADING SSL DATA -------   100%" Majd ugyan ez zöldben és ezt ismételgeti ciklikusan amíg a joyt el nem engedem. Aztán semmi.
Ha van valakinek ötlete a javításra ill. esetleg olyan softja ami jó lehet kérem ne titkolja. Minden megoldás érdekel :-)
Segítségeteket előre is köszönöm :
Andor

 
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