Samsung UE65MU6102KXXXH not work

[Alex Corps]

Hello, my UE65MU6102K TV does not start, no red light. When I press the power button I have the action of 1.8V, nothing happens. On the power diodes on the power supply I have 9.4V on the cathodes relative to ground. 3.3 and 1.8v are present on the motherboard. With the remote control nothing happens either

[lotas]

Read the dump with IC1604 (25Q40) programmer and post it here.

[Alex Corps]

I can't read without desoldering.

[Alex Corps]

HERE IS MY DUMP OF THE 24Q40CL

[Alex Corps]

HERE is the dump copied with asprogrammer

[lotas]

Why are there two of them, which one is yours? They are different in data.
You read it using a clothespin, but as I understand it, you got two different dumps and they differ greatly from each other (apparently contact was lost)...

[Alex Corps]

yes my clamp does not hold properly, so I made a second copy

[lotas]

yes my clamp does not hold properly, so I made a second copy

The second copy is also damaged, try several times, the copies should match each other), if they do not match, then it is better to unsolder this flash and read the data through an adapter, this will be better with 100% quality, and throw the clothespin in the trash, it causes a lot of problems, do not forget that you still need to write a high-quality dump...
And also, with this clothespin you can damage small smd resistors and capacitors that are located around this chip, near its terminals, and then your motherboard will never start.

[Andrew F. Ali]

If the PSU and Main Bd. can be separated, disconnect the connector from the PSU and plug it into the ac.
If the PSU and Backlights are OK the Backlights should turn ON and remain ON.
If NO then the PSU or Backlights is defective.
If YES then the Main Bd is defective.

[Alex Corps]

If the PSU and Main Bd. can be separated, disconnect the connector from the PSU and plug it into the ac.
If the PSU and Backlights are OK the Backlights should turn ON and remain ON.
If NO then the PSU or Backlights is defective.
If YES then the Main Bd is defective.

Hi, I don't have the screen at the moment, I just have the power supply board, the motherboard, the IR sensor and the power button.

[lotas]

You have 100% damaged firmware in 25Q40 (disease in "MU" series!)

[Alex Corps]

You have 100% damaged firmware in 25Q40 (disease in "MU" series!)

ok, so what should I do to fix this problem?

[lotas]

ok, so what should I do to fix this problem?

What to do, I described in post 8, calculate your dump correctly.

In addition to the damaged dump, you also have a dump that was poorly read by the programmer...

[Alex Corps]

the only solution is therefore that I buy a motherboard

[lotas]

the only solution is therefore that I buy a motherboard

Why buy a new motherboard, I will correct your dump, but I need you to download it correctly, so that there is correct, reliable contact of the chip with the clamp, if you cannot unsolder the chip from the board and read it through the adapter (make 8-10 copies of dumps and I will choose from them, with the best quality).

[Alex Corps]

ok thanks, that's very nice of you. i should maybe solder a soic8 support, in case it happens again i would just have to extract the eprom and reprogram it or make some in advance to be able to replace it quickly in case of recurrence. i bought another clamp of better quality i'm waiting for it. thanks again it's great.

[lotas]

If a new firmware update occurs via the Internet (updates to a new version of the software), then this corrected dump will no longer help, since it is also updated and the old version of the software will not be compatible with the new one.

[Alex Corps]

ok, so the tv has to be disconnected permanently?

[lotas]

Why? Why turn it off? I don't get it.

[nomoresonys]

So lets clear this up, CAN he update the tv with the dump and will it still work or not.