Philips 40PFL7007K/12 does not power on - Chassis QFU1.1E LA

[PeterH]

Re: Philips 40PFL7007K/12 does not power on - Chassis QFU1.1E LA

Hi Andronico and all,

I'm fighting with a Philips 42PFL6678K, QFU1.2EE LA.
The UART log looks very similar.

0xF9892D1C cycle now
Jump to 0xB5034100 02 key is used
Getting Hash...
0xBFC00000 01 10 00 00 52 55 00 0F 36 74 B3 80 00 00 00 00
Hash:
0xB5034570 1D 86 AE FF E3 71 65 8F 13 61 12 66 C4 5F 8D B0
Buffer for BIG NUM is at B5034E2C, size is 0440.
nand.c:nand_readwithinpage
0x00000000 page is reading
0x00000004 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
04 unit:


waiting ECC result ready
00 bits error in the unit.
05 unit:


waiting ECC result ready
00 bits error in the unit.
06 unit:


waiting ECC result ready
00 bits error in the unit.
07 unit:


waiting ECC result ready
00 bits error in the unit.

nand.c:nand_readwithinpage
0x00000001 page is reading
0x00000000 0x00000003 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 bits error in the unit.
01 unit:


waiting ECC result ready
00 bits error in the unit.
02 unit:


waiting ECC result ready
00 bits error in the unit.
03 unit:


waiting ECC result ready
00 bits error in the unit.

nand.c:nand_readwithinpage
0x00000001 page is reading
0x00000004 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
04 unit:


waiting ECC result ready
00 bits error in the unit.
05 unit:


waiting ECC result ready
00 bits error in the unit.
06 unit:


waiting ECC result ready
00 bits error in the unit.
07 unit:


waiting ECC result ready
00 bits error in the unit.

nand.c:nand_readwithinpage
0x00000002 page is reading
0x00000000 0x00000000 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 bits error in the unit.


{preboot}<break>

<000><break>

<010><break>

<020><break>
K<break>
<break>

Did you find a solution?
I have the SPI EEPROM 7CT3 under suspicion but not sure.
Is there anyone with an dump of this EEPROM for QFU1.2? Would be nice.

br and thanks
Peter

[Davi.p]

Re: Philips 40PFL7007K/12 does not power on - Chassis QFU1.1E LA

At least you can try to read the SPI in the meantime you freeze it and if you obtain a dump that seems complete, watched with a hex editor then buy a replacement SPI and change/reprogram it.

[Manniku TP]

Re: Philips 40PFL7007K/12 does not power on - Chassis QFU1.1E LA

Hi dear member,
I read your topic about your problem with your Philips TV.

I have the same problem with my own TV.
I also measured the resistance across the 1V5 and it saw very low impedance 4.5Ω.

Did you repaired your TV?
Do you have any tips for me?
I do likes the picture on this TV and I really want to keep it.

Thank you very much for your help and time.
Regards,

Nataf10

It is Processor failure.
I had the same problem and the current consumption at 1.5 V was 5 amps. The power current was limited to 5 amps. The processor became very hot.

[nataf10]

Re: Philips 40PFL7007K/12 does not power on - Chassis QFU1.1E LA

Hey,
i did not success to repair the TV.
I believe it was the main CPU.
It is very hard to repair that kind of problem.
wish you luck

[dominik0801]

Re: Philips 40PFL7007K/12 does not power on - Chassis QFU1.1E LA

I also had this problem not too long ago. Seems like the Fusion CPU gets killed by electromigration and heat.

I bought my TV used in september, and it died on the 1st of december. I heated it. Also, I saw that it had already been heated by someone else before me, because there were flux near the CPU and stratches on the heatsink bottom.
It worked for 2 weeks then died again.

Heated it up again, and cut the back panel of the TV, to put a bigger heatsink with a fan on the CPU.

It's been more than 1 month of it working. I hope it will last a while, I don't plan on buying a new TV anytime soon.