nand flash was not detected RT809H
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by DoOm86Hello everyone.
I would like to know more about the following topic:
Nand flash on smartphone for data recovery.
I have been reading of people swapping nand flash from a faulty mainboard to another in order to save the data.
But I also read about encrypted data which to be read must been swap also cpu, or nfc or something else where is located the key to make the data being readable.
How does it works? How do I know if data are encrypted or where is the key?
I know there are also very expensive external socket where you can put the nand flash in...08-20-2023, 07:10 AM -
by ekozeko333Hi all,
I’m trying to recover a Lenovo Yoga Slim 7-14ARE05 with board DA0LS3MBAF0 Rev:F. I’ve run into an unusual issue where USB-C PD is stuck at 4.7–5V and the system won’t boot (keyboard lights flash briefly, then nothing).
🔥 The Problem Started After Suspected ESD/PD Fault
I experienced a power issue or ESD event through a USB-C charger
After that, the NX20P5090 power switch was visibly burned and was replaced
Now the PD controller always negotiates 5V @ 2A, even with known-good chargers
🧠 What I’ve Done So Far
Flashed...-
Channel: BIOS Requests ONLY!
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by tranquilityHello,
i want to repair an Onkyo TX-NR809 receiver.
symptoms:
on power on, display appears and i hear one click. enue functions is given.
- no hdmi output
- audio output not tested, but i think it is not there
- usb sticks are not recognized
if i read out the chips with display+standby button + tone+
both dts show only ????
chip is D830K013BZKB4
things i have done:
- reflow of the dts chip without taking off and reballing
- changed the aluminium caps without the big one with 25v because i dont...-
Channel: Troubleshooting Audio Equipment
08-25-2025, 01:04 AM -
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by mijatovic86Hi everyone,
I have an issue with JVC LT-32VF52K, that is chassis Vestel 17MB110.
It just flashes Logo JVC and then red led flashes for 12-13 times.
Tried with flashing SPI MX25L1606 but acts identically with it also.
How can I try and flash the NAND using only USB ?
Can it be done with USB flash drive and usb_auto_update_A1.txt file, and what should be the content of that file ?
I did find a nand dump on elektroda.pl, just need to be sure how to flash it ? Its LED JVC LT-32VF52K_NAND.BIN around 540MB large
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