WTB: Tektronix oscope tds540 or tds544 acquisition board.

[kora]

my tds540 acquisition board is dead, rest of the instrument in perfect condition. My board is not repairable (physically damaged) so need to replace entire board with one for tds540 or compatible (say for tds544A ). I am in Ukraine. Sure there is an option just buy on ebay, but asking here first.  Actually no need to send internationally, I have mailing address in Delaware, they will forward, if you are in US.

Thanks in advance,
Sergey (skype: kora007).

[madao]

Yes,  TDS44A board fit into  TDS540.

But, i must asking you, how much want you paying for board?
Reason: i got soon TDS544A acquisition board with bad (orginal)caps , i have paying  it for 80€ (include shipping) to replacing  of  damaged TDS540 Board. but this damaged TDS540 board is reparable. (ripped solder pad, preowner  )  But i think now: I didn't need TDS544A Board and it is  already shipped to me.

Grettings
matt

[kora]

thanks, repaired, with the help of my fiend from Germany. The project still not finished, - there need analog adjustments, sure will do, but this corrections I will do later.

[kora]

The latest was lie. The ACQ board in good condition, no traces eaten by electrollite (anyway , replaced by Tantalum SMD). OK unknown servicemen desoldered ADC in ch1, have no idea why, but replacement works. OK, there still minor problems, like bad memory. I wrote the program to translate memory error log address to IC schematic name Just ask if needed. this is useful - just replace the failed one.

 

[madao]

Yes,  you have doing a big step by repair.

I have make decision, i keep both acquisition board and sell to him  partial parted-out TDS520 Acquisition board. This board is very helpful for repair of their board.
Now, i seen, it is good decision, because their board have good condition.
greetings
matt

[kora]

The beast now is up and running, all fixed thanks to madao. SPC done. OK.