Мои познания в ремонте данного вида техники: Начинающий Наличие схемы: нет Состав аппарата. Марка и модель - AIWA 40LE6120 V1N12 Шасси (если известно) - Модуль обработки сигнала (Main) - 5800-A6M88G-0P10 Блок питания (PSU) - 5800-L3L021-W000 LCD матрица - Skyworth SEL400FY (QD0-701)(05) Прочее (T-CON, инвертор...) -
Со слов клиента, проблема произошла после обновления какого-то приложения. Думаю не соответствует действительности. Телевизор включается с пульта и с клавиатуры, показывает заставку Aiwa, потом остается гореть подсветка в течении примерно 10 секунд, и аппарат переходит в дежурный режим. Поведение стабильное. На всякий случай проверил питания майна, в т.ч. типовую проблему для данного шасси по Доступно только для пользователей, там все хорошо. Хорошие люди помогли с апдейтом по usb, запустился процесс прошивки, процесс прошел планово, дошел до 100% и ТВ выключился в дежурку - все по инструкции. Но ситуации это не помогло. На всякий случай забил EEPROMку FF, тоже мимо. Слил лог (включение в розетку, включение с пульта, самовыключение) - прилагаю. Вопрос, какие варианты решения проблемы? Замена NAND TC58NVG1S3HTA00?
Hello U-Boot Stack Pointer at: 87e75dc0 uboot held at [8f000000~90000000] Now running in RAM - U-Boot at: 871f0180 NAND: DMA MODE [NC_Init] SDR NAND is detected CIS is found @Blk0 FCIE is set to 54MHz 256 MiB *** Warning - set default for mtdparts, using default environment
Creating 1 MTD partitions on "nand0": 0x000000640000-0x000000840000 : "mtd=2" Bad block table found at page 131008, version 0x01 Bad block table found at page 130944, version 0x01 nand_read_bbt: Bad block at 0x000008e00000 nand_read_bbt: Bad block at 0x00000c000000 nand_read_bbt: Bad block at 0x00000c020000 UBI: attaching mtd1 to ubi0 UBI: physical eraseblock size: 131072 bytes (128 KiB) UBI: logical eraseblock size: 126976 bytes UBI: smallest flash I/O unit: 2048 UBI: VID header offset: 2048 (aligned 2048) UBI: data offset: 4096 UBI: attached mtd1 to ubi0 UBI: MTD device name: "mtd=2" UBI: MTD device size: 2 MiB UBI: number of good PEBs: 16 UBI: number of bad PEBs: 0 UBI: max. allowed volumes: 128 UBI: wear-leveling threshold: 250 UBI: number of internal volumes: 1 UBI: number of user volumes: 1 UBI: available PEBs: 1 UBI: total number of reserved PEBs: 15 UBI: number of PEBs reserved for bad PEB handling: 2 UBI: max/mean erase counter: 996/418 Volume not found!
NAND read: device 0 offset 0x1c0000, size 0xa8 168 bytes read: OK Volume "MPOOL" found at volume id 0
-U[AT][MB][start ub][614]
U-Boot 2011.06-svn2190 (Sep 09 2014 - 09:59:28)
DRAM: 256 MiB
Hello U-Boot Stack Pointer at: 87e75dc0 uboot held at [8f000000~90000000] Now running in RAM - U-Boot at: 871f0180 NAND: DMA MODE [NC_Init] SDR NAND is detected CIS is found @Blk0 FCIE is set to 54MHz 256 MiB *** Warning - set default for mtdparts, using default environment
Creating 1 MTD partitions on "nand0": 0x000000640000-0x000000840000 : "mtd=2" Bad block table found at page 131008, version 0x01 Bad block table found at page 130944, version 0x01 nand_read_bbt: Bad block at 0x000008e00000 nand_read_bbt: Bad block at 0x00000c000000 nand_read_bbt: Bad block at 0x00000c020000 UBI: attaching mtd1 to ubi0 UBI: physical eraseblock size: 131072 bytes (128 KiB) UBI: logical eraseblock size: 126976 bytes UBI: smallest flash I/O unit: 2048 UBI: VID header offset: 2048 (aligned 2048) UBI: data offset: 4096 UBI: attached mtd1 to ubi0 UBI: MTD device name: "mtd=2" UBI: MTD device size: 2 MiB UBI: number of good PEBs: 16 UBI: number of bad PEBs: 0 UBI: max. allowed volumes: 128 UBI: wear-leveling threshold: 250 UBI: number of internal volumes: 1 UBI: number of user volumes: 1 UBI: available PEBs: 1 UBI: total number of reserved PEBs: 15 UBI: number of PEBs reserved for bad PEB handling: 2 UBI: max/mean erase counter: 996/418 Volume not found!
NAND read: device 0 offset 0x1c0000, size 0xa8 168 bytes read: OK Volume "MPOOL" found at volume id 0
UART BUS OFF!! BIST0-OK [123456789AB][123456789A][123456789A][123456789A]-6555 U[AT][MB][start ub][615]
U-Boot 2011.06-svn2190 (Sep 09 2014 - 09:59:28)
DRAM: 256 MiB
Hello U-Boot Stack Pointer at: 87e75dc0 uboot held at [8f000000~90000000] Now running in RAM - U-Boot at: 871f0180 NAND: DMA MODE [NC_Init] SDR NAND is detected CIS is found @Blk0 FCIE is set to 54MHz 256 MiB *** Warning - set default for mtdparts, using default environment
Creating 1 MTD partitions on "nand0": 0x000000640000-0x000000840000 : "mtd=2" Bad block table found at page 131008, version 0x01 Bad block table found at page 130944, version 0x01 nand_read_bbt: Bad block at 0x000008e00000 nand_read_bbt: Bad block at 0x00000c000000 nand_read_bbt: Bad block at 0x00000c020000 UBI: attaching mtd1 to ubi0 UBI: physical eraseblock size: 131072 bytes (128 KiB) UBI: logical eraseblock size: 126976 bytes UBI: smallest flash I/O unit: 2048 UBI: VID header offset: 2048 (aligned 2048) UBI: data offset: 4096 UBI: attached mtd1 to ubi0 UBI: MTD device name: "mtd=2" UBI: MTD device size: 2 MiB UBI: number of good PEBs: 16 UBI: number of bad PEBs: 0 UBI: max. allowed volumes: 128 UBI: wear-leveling threshold: 250 UBI: number of internal volumes: 1 UBI: number of user volumes: 1 UBI: available PEBs: 1 UBI: total number of reserved PEBs: 15 UBI: number of PEBs reserved for bad PEB handling: 2 UBI: max/mean erase counter: 996/418 Volume not found!
NAND read: device 0 offset 0x1c0000, size 0xa8 168 bytes read: OK Volume "MPOOL" found at volume id 0