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clony

42lw5500 display sau mainboard?

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Am primit un 42lw5500 care porneste fara imagine si apare dupa cateva secunde dar se manifesta precum in clipul de mai jos.

Tensiuni am pe t-con. Cu jumatate de display conectat face la fel, cu reflow la procesor face la fel.

O idee?

Display LC420EUF(SD)(PX)

Mainboard: LD12C EAX64405501(0)

VIDEO AICI

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Posted (edited)

Am facut reflow la scaler si am aceeasi manifestare.

Placa are 3 memorii ram: un H5TQ1G63DFR la scaller si doua H5TQ2G63BFA la procesor.

As incepe cu memoria de la scaler.

Stiti daca H5TQ1G63DFR are un echivalent ca am cautat in 2 cutii cu placi si nici una nu are aceeasi memorie?

Edited by clony
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H5TQ1G63DFR este 1Gb DDR3 SDRAM, merge orice RAM important e sa fie de 1Gb DDR3 SDRAM, eu am pus vreo 3 variante de RAM echivalent 512MB DDR2 SDRAM la tv-urile led Sharp si Toshiba...

Vezi ce gasesti pe placi, daca in seria RAM-ului este 1G inseamna ca e de 1GB, apoi te uiti pe datasheet sa vezi daca e DDR3. De obicei cand pica un RAM, acesta se cam incinge, vezi sa nu cumva sa fie dezlipit

Edited by Costica Tv
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Am inlocuit cu H5TQ1G63EFR-PCB ram-ul de la scaler si tot asa se vede. Reflow la scaler am facut. Sa fie din memoria ram de la procesor?

Nu se incalzeste excesiv nici o memorie ram.

 

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