Products > Test Equipment
Upgrading the Hantek DSO4072C and DS4104C oscilloscopes bandwidth up to 250MHz
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kutukvpavel:
Well, I finally bought one of these. And guess what, it came with a malfunctioning front panel, some of the buttons that are integrated into the encoders somehow ended up wired to keys F1-F5 (I ran the front panel test). Surprisingly, I didn't even notice it until today, even though I've used the scope a couple times after initial inspection. Has anyone had this issue before?
I don't want to disassemble my unit yet, because it's covered under warranty of a local distributor. Still, the diagnostic/repair process can get quite lengthy and if this issue comes from, say, an improperly secured flat cable or something, I might give it a shot myself.
HHG:
Hi,

to Airfranz: please post here recovery files from Hantek.
Siverian:
Hello community,
is it possible to change the colours of the channel to have the same sequence as LeCroy has. Voltcraft has a next one 1(Yellow) 2(Blue) 3(Cyan) 4(Green) and LeCroy has 1(Yellow) 2(Сyan) 3(Blue) 4(Green).

Steve007iii:
I have a DSO4254B
device does not boot
and does not turn on the screen
only the LEDs on the right

Help

now if i don't know what to do
I disassembled the device and saw that all the information of the EEPROM and the operating system is stored in a Nand memory IC TSOP-48, 3V "IS34ML01G084", someone has a programmer to give me a copy of the Nand, they would be very grateful.

recovery is damaged too
https://youtu.be/W6qqxJy5auc



boogiepopgq:
Hello, I have a NAND memory programmer and others may help you. I have a DSO4254C. I don't know if the information from there works.
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