Ue55mu6172uxxh, bn94-12438k

[ducky29]

Re: Ue55mu6172uxxh, bn94-12438k

But you have a completely different chassis, BN96-46782A belongs to the "NU" series three in one (power supply, motherboard, t-con), there were cases of smd fuse burned out at 13v due to a short circuit of the ceramic capacitor on this bus, dump your not much different from others, slightly corrected, check.

I had 2 cases with burned fuse. I fixed both of them. 2 shorted chips as far as I remember. This was was previously worked by another tech and had few missing components. Also 2 caps 470v 35v(those in the picture that you posted above) were replaced. I replaced everything from a scrap board but now the tv makes a slight buzz and tries to start up and fails then it repeats. Every voltage is fine about 400v on main cap, 12v, 2.5, 1.2, 3.3, processor gets warm(in these series it should get very hot). Don't know what else to check. I will flash the dump tomorrow and I will report back. Thank you

[lotas]

Re: Ue55mu6172uxxh, bn94-12438k

I have a BN96-46782A stuck in standby that tries to get out of standby every 10 seconds or so, no backlight, no picture. Red led flashes. Already tested with another board and it works fine but I wanna repair the original one. Is by any chance a faulty eeprom? I think its fine but can iotas please check it?

But you have a completely different chassis, BN96-46782A belongs to the "NU" series three in one (power supply, motherboard, t-con), there were cases of smd fuse burned out at 13v due to a short circuit of the ceramic capacitor on this bus, dump your not much different from others, slightly corrected, check.

[ducky29]

Re: Ue55mu6172uxxh, bn94-12438k

I have a BN96-46782A stuck in standby that tries to get out of standby every 10 seconds or so, no backlight, no picture. Red led flashes. Already tested with another board and it works fine but I wanna repair the original one. Is by any chance a faulty eeprom? I think its fine but can iotas please check it?

[crym1111]

Re: Ue55mu6172uxxh, bn94-12438k

Agree, you fill only first stage between 00-00001000 with the same containt - no mater tv model...?

[lotas]

Re: Ue55mu6172uxxh, bn94-12438k

Ok
With someone else's dump, this will not work.

[crym1111]

Re: Ue55mu6172uxxh, bn94-12438k

Hi lotas,
All ok, works !!
Kind regards

[Diah]

Re: Ue55mu6172uxxh, bn94-12438k

Try..

take look again on this fix... dont hurry with work lotas lol

[lotas]

Re: Ue55mu6172uxxh, bn94-12438k

Try your corrected dump.

[crym1111]

Re: Ue55mu6172uxxh, bn94-12438k

Hi Diah,
When i use remote access for power on led for stand-by is blinking but mainboard don't start BKL.
And yes, BKL is active when i disconnect mainboard from power board.
So, maybe i need to write 24c512 as well but i don't have any dump for this model,...,
Have somebody a full dump for this model, UE55MU6172...?
Regards

[Diah]

Re: Ue55mu6172uxxh, bn94-12438k

can you see picture on screen whrn you use torch light and pressing menu ??
did your BL come on if you disconnect the mainboards socket from PCB???

[crym1111]

Dear all,
I have this board defective, don't have led active in stand-by.
Read IC1604 and see that from begining have only FF data, attached file. (W25Q40CL, vbc7.bin)
Erase ic and check if ic are blank, all ok.
Programming ic with a file that i received from lotas (file is UE49MU6400_SPI_ic1604) and now tv have stand-by led active and respond from remote but don''t have backlight active.
Could somebody to help me with the next steps...?
Attached also reading of IC1604 after power on when stand-by led are active but tv is not working,..., respond for remote access but don't start backlight.
Kind regards,
CM