Пытаемся восстановить NAND на Android TV приставке MK808b

Привет друзья!
Столкнулся с такой проблемой — после того как во время работы телевизора задел Android TV Box MK808b приставку рукой в районе HDMI провода после чего она перестала работать. Видимо был разряд статического электричества.

Разоборал, проверил ее подключив к компьютеру — она успешно определяется в программе прошивки но выполнить прошивку устройства не получается. Вот лог программы RKDevTool

NAND Чип который используется в этой приставке имеет маркировку SKHynix H27UCG8T2ATR-bc.

В других программах получаю ошибку Prepare IDB Fail или Load IDB Failed. Говорят что причина может быть в отвалившемся процессоре.

Вот логи программы прошивки:MK808b Плата

00:29:01 188 瑞芯微开发工具 v2.8.1.0 start run
00:30:01 295 RKDevTool v2.8.1.0 start run
00:30:46 469 Layer<6-6>:Download Boot Start
00:30:46 529 <LAYER 6-6> ERROR:Boot_VendorRequest-->DeviceIoControl failed,Total(10242),Sended(0),bRet(0),err(1f)
00:30:46 529 <LAYER 6-6> ERROR:DownloadBoot-->Boot_VendorRequest471 failed,index(0)
00:30:46 544 Error:Layer<6-6>:Download Boot Fail
00:31:06 415 Layer<6-6>:Download Boot Start
00:31:09 061 Layer<6-6>:Download Boot Success
00:31:09 061 Layer<6-6>:Wait For Maskrom Start
00:31:09 501 Layer<6-6>:Wait For Maskrom Success
00:31:09 511 Layer<6-6>:Test Device Start
00:31:09 524 Layer<6-6>:Test Device Success
00:31:09 531 <LAYER 6-6> ERROR:ReadCapability-->RKU_ReadCapability failed,err(-8)
00:31:09 541 Layer<6-6>:Check Chip Start
00:31:09 561 Layer<6-6>: Check Chip Success
00:31:09 561 Layer<6-6>:Get FlashInfo Start
00:31:09 571 <LAYER 6-6> INFO:FlashInfo: 00 00 00 00 00 04 04 00 28 00 00
00:31:09 591 <LAYER 6-6> INFO:GetFlashInfo-->Emmc storage.
00:31:09 602 Layer<6-6>:Get FlashInfo Success
00:31:09 616 Layer<6-6>:Prepare IDB Start
00:31:09 625 <LAYER 6-6> ERROR:PrepareIDB-->No Found 1st Flash CS
00:31:09 643 Error:Layer<6-6>:Prepare IDB Fail
00:31:33 723 Layer<6-6>:Download Boot Start
00:31:36 374 Layer<6-6>:Download Boot Success
00:31:36 374 Layer<6-6>:Wait For Maskrom Start
00:31:36 824 Layer<6-6>:Wait For Maskrom Success
00:31:36 827 Layer<6-6>:Test Device Start
00:31:36 834 Layer<6-6>:Test Device Success
00:31:36 844 Layer<6-6>:Get FlashInfo Start
00:31:36 854 <LAYER 6-6> INFO:FlashInfo: 00 00 00 00 00 04 04 00 28 00 00
00:31:36 864 <LAYER 6-6> INFO:GetFlashInfo-->Emmc storage.
00:31:36 884 Layer<6-6>:Get FlashInfo Success
00:31:36 899 <LAYER 6-6> ERROR:ReadCapability-->RKU_ReadCapability failed,err(-8)
00:31:36 914 Layer<6-6>:Prepare IDB Start
00:31:36 924 <LAYER 6-6> ERROR:PrepareIDB-->No Found 1st Flash CS
00:31:36 939 Error:Layer<6-6>:Prepare IDB Fail
00:31:50 715 Error:ListStorageProc-->RKU_ReadCapability failed,err=-8
00:31:52 266 Error:ReadCapabilityProc-->RKU_ReadCapability failed,err=-8
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6 комментариев

use hot aire +good flux.
if you not pro
give it to pro
if your nand is skhynix orginal
unplug pin problem
cs=CHIP SELECT
AD DE 94 DA Hynix H27UCG8T2ATR=8GB
IF YOUR DEVICE IS 8GB SO YOU HAVE 1CE .1 R/B
MAY BE RB,CE PIN IS UNPLUGED FROMM PCB
Hi dear DavodAmirajam, hi all.
I try to change NAND (tsop-48) to new from old USB Flash drive Silocon Power (8 Gb) look like original chip, but it has not solve my problem. Maybe i kill processor (Rockchip RK 3066) after static electrick shot (shock)? A try to use hot air, good flux and check all pin of 48 — good contact. Or may be i need to set test mode for nand and connect many pins I/O to set Maskrom mode? I use many driver version and any programms (BatchTool and ROM Flash tool and RKDEv Tool ) many releases and many versions.

My best result — i can to load RKDevTool_Release_v2.86 boot, kernel, loader, parameter, misc, system and other parts of Firmware to RAM but when i try to load FW to NAND — it call to error IDB FAIL :((

Maybe i need to other programm or other driver or other firmware? But i try many of this.

May be i kill other details and it is reason — static electric may kill them?
RKDevTool and NAND IDB FAIL ERROR

I TRY TO CLEAR NAND *(LBA) BUT I NEED TO SET TEST MODE AND CONNECT ANY PIN ON CHIP?
IT MESSAGE WITH Manufacturer SAMSUNG AND FLASH SIZE 0 MB I SEE WHEN CONNECT NEW OR OLD CHIP. MAY BE IT TAKE FROM LOADER AND IT NOT SUPPORT MY CHIP WHICH I USE? ^^
just support l74 intel /micron
and hynix 20nm mlc

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