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- Naslov teme mora vsebovati: proizvajalca naprave, poln model in kratek opis okvare.
- Sporočilo teme mora vsebovati: oznako tiskanega vezja (v primeru popravil strojne opreme), razširjen opis okvare, kaj je bilo preverjeno, zamenjano in/ali izmerjeno, sklep in vprašanje. Če ne morete najti oznake tiskanega vezja, morate prebrati TO TEMO. Če še vedno ne najdete oznake, prosim objavite kakovostne fotografije obeh strani matične plošče - potrebno je odstraniti vse folije in module, ki bi lahko zakrivali te oznake.
- Pred objavo nove teme, preberite vse teme v podforumu USPOSABLJANJA, in naredite predhodno diagnostiko na podlagi vsebine teh usposabljanj.
- Nalaganje celotnih navodil/shem, BIOS datotek, ali objavljanje povezav, ki vodijo do drugih spletnih strani s takšnimi datotekami, je SROGO PREPOVEDANO. Lahko objavite le majhen del navodil/shem, ali povezavo na BIOS datoteko v podforumu NEVERIFICIRANE DATOTEKE BIOS/EFI. V eni temi ne smete objaviti več kot eno stran navodil/shem. Datoteka ne sme vsebovati vidnih žigov "zaupno",, e-poštnih naslovov ipd.
- V eni temi lahko opišete SAMO eno napravo. Za vsako drugo okvarjeno napravo morate odpreti novo temo.
- Zahteve za sheme, boardview, fotografije matičnih plošč, datoteke BIOS-a ali servisne priročnike za storitve NISO DOVOLJENE. Če želite vprašati za katero koli od teh, odprite novo temo v podforumu ZAHTEVA ZA DOKUMENTACIJO & DATOTEKO BIOS/EFI.
Re: TV LG 47LB652V-ZA stand on Logo LG
Napisal/-a Google Adsense [BOT] • 18 Marec 2020, 20:49
Hello!
It may be a corrupted firmware or bad FLASH chip. You should reflash/replace the FLASH chip, but it is not easy on this board, because the FLASH chip is in the BGA package if I'm not mistaken. It is also very hard to get a proven dump, except if you have another the same board in working condition or with a different issue.
You can try to heat / freeze the FLASH chip when the TV is turned off and turn on the TV, when the FLASH chip is hot / cold. It sometimes help, if the FLASH chip is bad.
I had the same case on older LG TV. In my case reflashing the FLASH chip solved the issue (mine FLASH chip was in the TSOP48 package).
It may be a corrupted firmware or bad FLASH chip. You should reflash/replace the FLASH chip, but it is not easy on this board, because the FLASH chip is in the BGA package if I'm not mistaken. It is also very hard to get a proven dump, except if you have another the same board in working condition or with a different issue.
You can try to heat / freeze the FLASH chip when the TV is turned off and turn on the TV, when the FLASH chip is hot / cold. It sometimes help, if the FLASH chip is bad.
I had the same case on older LG TV. In my case reflashing the FLASH chip solved the issue (mine FLASH chip was in the TSOP48 package).
It is probably also possible that the connections (solder balls) between the FLASH chip and APU are broken, but I haven't had this case on TV yet. You could try to reflow the FLASH chip and APU to exclude that option, but I think it is more likely FLASH related issue.
I think the eMMC and FLASH is the same thing, but I'm not 100% sure.
I don't know how often is this defect, because I don't have much experience with TV motherboard repair. I had such case once as mentioned.
I think the eMMC and FLASH is the same thing, but I'm not 100% sure.
I don't know how often is this defect, because I don't have much experience with TV motherboard repair. I had such case once as mentioned.
Re: TV LG 47LB652V-ZA stand on Logo LG
Napisal/-a Google Adsense [BOT] • 20 Marec 2020, 18:34
Kdo je na strani
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