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philips 47PFL6877T12 нет инициализации 2-53
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VO_Serg [ 01 сен 2018, 22:27 ]
Заголовок сообщения:  philips 47PFL6877T12 нет инициализации 2-53

tv - 47PFL6877T/12
SSB - QFU2.1E LA
NAND - 29F8G08ABABA

Кратко предыстория.
Проц ранее был заменен на новый,(хотя тогда причина была в прошивке - зависал), при этом радиатор был поставлен алюминиевый на термопасту. После чего аппарат проработал пол года теперь вовсе не включается. Сейчас - проц прокатывал с флюсом, на паялке БГА. Нанду заменил новой, с той самой прошивкой. Но похоже что вычитываемое из нанды вовсе не стартует.

Ошибка 2, в SDM 53.
При подаче 220 все вторичные напряжения подымаются, в норме 3.3v, 5v, 1,5v(4 Ом), 1,2v.... На протяжении около 5-и минут 4 раза дергает питание, после включения и каждого дерга на шине данных NAND коротко проскакивают данные около 10мс. При этом на терминал выплевывает почти одно и тоже, что на старом NANDе что на новом вновь записанном... Может кто знает, судя по логу - в чем проблема?
с NAND
nBackupPageOffset=0.
nand.c:otp_ReadNandID
NAND ID: 0x0302012C
nand.c:otp_NandReset
nand.c:nand_readwithinpage
0x00000000 page is reading
0x00000000 0x00000007 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.
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.

0xFEF790A7 cycle now
Jump to 0xB5034100 load begin!
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.

load end!
K0xFFFFDA6E cycle now
Fusion Rom Boot: Jun 30 2011, 14:38:15
main.c:main_bootrom
nand.c:nand_init
0x00001000 0x00000200 05 08
nBackupPageOffset=0.
nand.c:otp_ReadNandID
NAND ID: 0x0302012C
nand.c:otp_NandReset
nand.c:nand_readwithinpage
0x00000000 page is reading
0x00000000 0x00000007 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.
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.

0xFEF790A7 cycle now
Jump to 0xB5034100 load begin!
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.

load end!
K0xFFFFDA6E cycle now
Fusion Rom Boot: Jun 30 2011, 14:38:15
main.c:main_bootrom
nand.c:nand_init
0x00001000 0x00000200 05 08
nBackupPageOffset=0.
nand.c:otp_ReadNandID
NAND ID: 0x0302012C
nand.c:otp_NandReset
nand.c:nand_readwithinpage
0x00000000 page is reading
0x00000000 0x00000007 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.
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.

0xFEF790A7 cycle now
Jump to 0xB5034100 load begin!
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.

load end!
K0xFFFFDA6E cycle now
Fusion Rom Boot: Jun 30 2011, 14:38:15
main.c:main_bootrom
nand.c:nand_init
0x00001000 0x00000200 05 08
nBackupPageOffset=0.
nand.c:otp_ReadNandID
NAND ID: 0x0302012C
nand.c:otp_NandReset
nand.c:nand_readwithinpage
0x00000000 page is reading
0x00000000 0x00000007 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.
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.

0xFEF790A7 cycle now
Jump to 0xB5034100 load begin!
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.

load end!
K

без NAND выдает иначе.
без NAND
nand.c:nand_readwithinpage
0x00018E00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019A00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019C00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00019E00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001A000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001A200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001A400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001A600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001A800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001AA00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001AC00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001AE00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001B000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001B200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001B400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001B600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001B800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001BA00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001BC00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001BE00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001C000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001C200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001C400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001C600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001C800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001CA00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001CC00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001CE00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001D000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001D200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001D400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001D600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001D800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001DA00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001DC00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001DE00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001E000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001E200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001E400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001E600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001E800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001EA00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001EC00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001EE00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001F000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001F200 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001F400 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001F600 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001F800 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001FA00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001FC00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x0001FE00 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
nand.c:nand_readwithinpage
0x00020000 page is reading
0x00000000 0x00000007 0x00000000 StartUnit/EndUnit/offset
Reading out data:
00 unit:


waiting ECC result ready
00 page has Hardware ECC error
0xC3CC529C cycle now
Jump to 0xB5034100

ars500 [ 02 сен 2018, 02:28 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

Попробуй прошить сервисной прошивкой и потом обновить.

mzr910 [ 02 сен 2018, 02:30 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

Ну это память отвалилась , если проц уже реболен проверить все vref памяти ну и потом поднимать память и дорожки вызванивать , переходы могли отгнить и т д

При таком логе никакие сервисные прошивки не помогут

VO_Serg [ 03 сен 2018, 14:36 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

mzr910 писал(а):
При таком логе никакие сервисные прошивки не помогут


А не растолкуете, по чем именно вы судите, что именно в этом логе указывает на это... ?
Хотелось бы понимать суть происходящего. Спасибо.

VO_Serg [ 04 сен 2018, 00:46 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

mzr910 писал(а):
проверить все vref памяти
Проверил. По прозвонке везде по адресной шине около 50 Ом по линиям vref по 500 Ом. Как и должно быть, на сколько я понимаю.

При работе
- на той паре что 256*8 по всем делителям всех линий стоит среднее - 0,72В. без каких либо шевелений. в том числе и на M1_RESET# 0,72В.
похоже эта пара идет под видео, и пока отключена.

- на той паре что 128*16 по всем делителям всех линий адреса стоит - 0,31В. без каких либо шевелений,
на M0_RESET# = 1,2В. без шевелений
на CAS#,RAS#,CKE,CS#,WE# = 1,2В. без шевелений
RESET - снятый, но обращения отсутствуют (M0-CS# = 1,2В)

Я понимаю что частоты там не шуточные, но если бы был сигнал, то осциллограф(SDS 1072CML+ 70MHz) показал бы хотя-бы среднюю составляющую, на время работы с памятью.

Что еще можно посмотреть... ?

mzr910 [ 04 сен 2018, 01:58 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

Там 0.75 должно быть , может не работать и при 0.72 а уж при 0.31 и подавно

VO_Serg [ 04 сен 2018, 15:04 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

То у меня такая погрешность у осциллографа. На разных пределах он вычисляет разные уровни.
Перемерял тестером
+1V5-ХХ = 1,535В
4 точки DDR-MVREF = 0,767В, 0,769В, 0,760В, 0,773В
2 точки M1(0)-MVREF1(0) = 0,765В, 0,767В
Диодная прозвонка оных vref дает M1(0)-MVREF1(0) = 0,279В в сторону проца, и DDR-MVREF = 0,373В в сторону памяти.
Думаю по vrefам тут все нормально. А те что 0,3 и 1,2В это 0 и 1 для интерфейса работ с памятью(0<vref<1). Тем более эти уровни стоят на массе линий, а не 1-й двух, что не похоже на неисправность - все 15 линий адреса не могут быть подгнившими строго одинаково в одну сторону, а управляющие сигналы строго одинаково в другую сторону. :-(

VO_Serg [ 05 ноя 2018, 17:06 ]
Заголовок сообщения:  Re: philips 47PFL6877T12 нет инициализации 2-53

Нашел еще одну нерабочую плату (в соседнем сервисе), но с нормальным/полноценным логом. По которому её удалось починить. Лог ниже, где четко указано какую деталь нужно менять.
Вложение:
115.7z

Старая плата при этом пригодилась на запчасти (НАНД и I2S коммутатор).

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