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Tek Tektronix TDS 644A Color Digital Oscilloscope 500Mhz 2GS/s 4 Ch (Fail Acq), US $2900 – Picture 0
Tek Tektronix TDS 644A Color Digital Oscilloscope 500Mhz 2GS/s 4 Ch (Fail Acq), US $2900 – Picture 0

Tek Tektronix Tds 644a Color Digital Oscilloscope 500mhz 2gs/s 4 Ch (fail Acq)

US $2900

  • Irvine, California, United States
  • May 30th
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I replaced all the capacitors in it and washed the boards (CPU, Acq, Keyboard and RS-232), but turns out there's still a Acq fail that I cannot solve (see pictures). Hope it will find a good home where the owner can spend the time fixing it. The rest are in very good cosmetic condition. The goo around the op-amps are my attempts to reflow it to see if it'll fix the problem. Apparently not. The display is good. Doesn't have bubbles. I removed the floppy drive because the casing was internally dented and impacted the floppy slot (didn't know when I bought it) so it won't fit anymore. Let me know if you want me to send you the floppy drive instead of the cosmetic cover. If I don't hear from you after I received the payment, I'll assume you want the cosmetic cover by default. ----------------------------------------------------------------------- The TDS644A 4 Channel Digitizing Oscilloscope has a real-time bandwidth of 500MHz and a sample rate of 2 GS/s. The unit has a maximum record length of 2,000 points per channel. Other features include: Waveform Math and Advanced Waveform DSP Color VGA Display, RS-232, Centronics, GPIB and VGA I/O Ports.

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