بسم الله الرحمن الرحيم
هدا الموضوع نقدم لكم من خلاله توضيح لسبب اختفاء الايقونات في راديو السيارات اللتي بها MediaNav متل داسيا و رونو4 وما شابههما
بمعنى ان MediaNav تشتغل لاكن ليس بها اي ايقونة بالشاشة او تكون شاشة زرقاء كما يمكن ان يكون هناك خلل في اقلاع الجهاز من الداكرة الخارجية اثناء عملية التحديث عن طريق الفلاش ديسك او ما شابهه
فالسبب الحقيقي لهدا الخلل هو شريحة داكرة التمهيد للاقلاع من نوع NOR MX29LV320ETTI-70G و لها نفس مبدا عمل البيوس في اجهزة الكومبيوتر لان الملف المحمل بها هو ملف Bootloader.bin
هته الملفات اللتي لا تراها الا في المنام الا القليل منها
طبعا طريقة العمل تحتاج الى فصل الشريحة من البطاقة الام واستعمال اي مبرمجة تفي بالغرض في حالتنا نحن كان العمل ب RT809H
رابط تحميل الفيرموار مع صورة لنقاط ISP EMMC الخاصة بهدا الجهاز الحامل لداكرة من نوع SANDISK SDIN5D2-4G على ميغا
وهدا لوغ عملية لاخد نسخة من الدامب و كتابته
كود:
001: https://www.facebook.com/profile.php?id=100034063062312
002: https://www.youtube.com/channel/UCzpAcvN9AlDhPu5Kk4iqGbw?view_as=subscriber
003: USB : 4.78V
004: USB voltage is too low£¬Please check whether the USB cable is the original cableآ،¢Try another USB port£¬Or use an external DC9 to 12V power supply.
005: Serial number:xxxxxxxxxxxxxx-yyyyyy ,PCB V1.80,Boot V1.00
006: >------------------------------------OK---------------------------------------<
007: The currently selected:MX29LV320ET@TSOP48, capacity: 32Mbits, 4Mbytes.
008: Adapter model£آ؛RT-TSOP48-1, 0.5, 12*18, Pin to Pin
009: Download device programming algorithm......
010: Algo update OK
011: >------------------------------------OK---------------------------------------<
012: Align to the bottom of ZIF,disable placed at random function.
013: Chip pins contact is detected OK.
014: Chip ID verification OK.
015: Start reading chip......
016: Buffer data checksum: 16bits_0x8223 £¬32bits_0x29908223 :
017: Elapsed time: 1.223 seconds£¬average speed of 3429520 bytes/sec.
018: >------------------------------------OK---------------------------------------<
019: File has been saved.
كود:
022: D:\READ_RT809H\RADIO_CAR\MEDIANAV\MX29LV320ET@TSOP48_20201111_212751-2.BIN
023: File has been loaded, checksum: 16bits_0x8223 £¬32bits_0x29908223 :
024: Align to the bottom of ZIF,disable placed at random function.
025: Chip pins contact is detected OK.
026: Chip ID verification OK.
027: Start writing chip......
028: Auto erasing...
029: Erase successful£¬Elapsed time£آ؛20.56 secondsآ،£
030: Start writing...
031: Write successful£¬Elapsed time£آ؛10.61 secondsآ،£
032: Auto verifying...
033: Verification successful£¬Elapsed time£آ؛1.223 secondsآ،£
034: Elapsed time: 32.46 seconds£¬average speed of 129206 bytes/sec.
035: >------------------------------------OK---------------------------------------<
Z3X EasyJtag EMMC File Manager v 1.19 at 04/01/2021 Started..
Box API Version: 3403
FS Driver Version: 04012021
SQLite Version: 3.34.0
FSCK Engine Version: 04012021
ESE DB Version: 04012021
System Util Version: 04012021
System: Windows NT 6.1 (Build 7600) / 32 BIT
CPU: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz
Total RAM: 2.30 GB
System Date: 2021/1/15 0:43:26
Official Site: http://efm.easy-jtag.com/
Telegram Support: https://t.me/z3xefm
FRP Apps: http://efm.easy-jtag.com/frp/
Z3X Card Serial: AA989202
EasyJtag Plus Box Found at: COM113
EasyJtag Plus Box Firmware: 2.53.1
Source: EasyJtag Port [EMMC/SD/MMC]
Generation: GPT [QC/SAMS/BCM/INTEL/MTK]
Box Voltage set to: 1800 mV
Scanner Thread Created..
Config: 1011111111101111
Setup HiPower CLK: OFF
Connecting To EasyJtag Plus Box: 1800mV/36MHz/1BIT
EasyJtag Plus Box Found! Result: 0/OK
CMD Pullup Level: 1817 mV
CMD Active Level: 1871 mV
EasyJtag Plus S/N: 7404E6D16F7EABC9
EasyJtag Plus Box FirmWare: 2.53.1
Box Bus Width = 1 BIT
Box Hardware = EasyJtag 2nd Generation
Search Emmc Chip...
EMMC Chip Found! 0/OK
EMMC CID: 45010053454D30344790B1B6D7158F39
EMMC CSD: D00F00320F5903FFFFFFFDFF924040C9
EMMC VENDOR: SANDISK
EMMC NAME: SEM04G
EMMC SERIAL: B1B6D715
EMMC REVISION: 90
EMMC ROM1 Size: 7733248 Block(s)/3776 MB
EMMC ROM2/3 Size: 2048 Block(s)/1024 KB
EMMC RPMB Size: 256 Block(s)/128 KB
EMMC RPMB Counter: 0
EMMC RPMB Answer: -607/RPMB_ERR_KEY
Switch To ROM1 Part: 0/OK
EMMC REV: 1.5 (for MMC v4.41)
EMMC VER: MMC 4.41
EMMC Boot Config: 0x00/0x00/0x00
ExtCSD Automatically Saved..
SanDisk Health Report
MLC Life Time: 0x00 -> Not Defined
SLC Life Time: 0x02 -> 10% - 20% Life Time Used
Scanning Data From EMMC. Please wait..
Scanning GUID Partition Table from ROM1
GPT Signature Not Found. Break..
Search Master Boot Record Table..
Found MBR Partition. Reading..
MBR: MBR [000000000000 - 000000000200] Size: 512 Bytes
MBR: P06 [000000007C00 - 00002C166C00] Size: 705.40 MB
MBR: P06 [00002C16E800 - 00000676A000] Size: 103.41 MB
MBR: P06 [0000328D8800 - 00000CB22800] Size: 203.13 MB
MBR: P06 [00003F3FB000 - 0000ACAA2000] Size: 2.70 GB
Reading Table Completed
Scanning GUID Partition Table from ROM2
GPT Signature Not Found. Break..
Scanning GUID Partition Table from ROM3
GPT Signature Not Found. Break..
Reading Initial Data. Please Wait..
Partition #2 - [P06] mount as [/P06] -> 705.40 MB, Type: FAT16
Partition #3 - [P06] mount as [/P06] -> 103.41 MB, Type: FAT16
Partition #4 - [P06] mount as [/P06] -> 203.13 MB, Type: FAT16
Partition #5 - [P06] mount as [/P06] -> 2.70 GB, Type: FAT16
EmptyCheck:
EmptyCheck: Done
Scanner Thread Terminated
Elapsed: 00:00:05:133
Found 5 Partition(s)..
Scan Done. Init Main Engine...
Resetting EasyJtag Box. Wait..
CMD Pullup Level: 1818 mV
CMD Active Level: 1872 mV
Reader Engine Initialized.. 0/OK
Source: EasyJtag Port [EMMC/SD/MMC]
Generation: GPT [QC/SAMS/BCM/INTEL/MTK]
Config: 1011111111101111
Bus Mode: 1BIT
Operation Done: [Init Engine], Elapsed: 00:00:01:747
Start Read 7733248 Sectors from Partition #0 -> 'ROM_1'
Read All Blocks Done! Count: 7733248
Saved To: C:\Users\cstrepair\Desktop\medianav-read\ROM1_DUMP_ROM_1_0x000000000000_0x0000EC000000.bin
Operation Done: [Dump Partition], Elapsed: 00:15:09:544
Start Read 2048 Sectors from Partition #1 -> 'ROM_2'
Read All Blocks Done! Count: 2048
Saved To: C:\Users\cstrepair\Desktop\medianav-read\ROM2_DUMP_ROM_2_0x000000000000_0x000000100000.bin
Operation Done: [Dump Partition], Elapsed: 00:00:00:514
Start Read 2048 Sectors from Partition #2 -> 'ROM_3'
Read All Blocks Done! Count: 2048
Saved To: C:\Users\cstrepair\Desktop\medianav-read\ROM3_DUMP_ROM_3_0x000000000000_0x000000100000.bin
Operation Done: [Dump Partition], Elapsed: 00:00:00:515
Start Read 1 Sectors from Partition #0 -> 'MBR'
Read All Blocks Done! Count: 1
Saved To: C:\Users\cstrepair\Desktop\medianav-read\ROM1_DUMP_MBR_0x000000000000_0x000000000200.bin
Operation Done: [Dump Partition], Elapsed: 00:00:00:265
Read ExtCSD To File..
ExtCSD Readed..
ExtCSD Saved to: SEM04G_45010053454D30344790B1B6D7158F39_20210115011302.extcsd
Done..
Read Emmc Info..
EMMC CID : 45010053454D30344790B1B6D7158F39
EMMC CSD : D00F00320F5903FFFFFFFDFF924040C9
EMMC Vendor ID : 0x45
EMMC Vendor : SANDISK
EMMC Name : SEM04G
EMMC Name HEX : 53454D303447
EMMC S/N : B1B6D715
EMMC Revision : 0x90
EMMC OEM ID : 0x00
EMMC Dev Type : BGA (Discrete embedded)
EMMC Version : MMC 4.41
EMMC Date : 8/2012
Temp WR Protect : No
Perm WR Protect : No
EMMC ROM 1 Size : 3776 MB (0x0000EC000000)
EMMC ROM 2/3 Size : 1024 KB (0x000000100000)
EMMC RPMB Size : 128 KB (0x000000020000)
EXTCSD REV : Revision 1.5 (for MMC v4.41)
EMMC Boot Config : 0x00/0x00/0x00
[PARTITION_CONFIG] : 0x00
[PARTITION_ACCESS] : No access to boot partition
[PARTITION_ENABLE] : Device not boot enabled
[BOOT_ACK] : No
[BOOT_BUS_WIDTH] : x1 (sdr) or x4 (ddr) bus width
H/W Reset Function : 0x00, RST_n signal is temporarily disabled
Partition Features : 0x03
[PART SET_COMPLETED] : 0x00
Min GPx Size : 8.00 MB
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