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Re: HP 3335A Repair


 

Well, after finally taking this apart (I'd post pictures, but I am a bit ptsd'ed...) I have two shorted diodes on A15 - CR1 and CR2.?
I am thinking vanilla 1N4148 would be OK in this position - thoughts??
Thank you,
Radu.?


On Sat, Sep 17, 2022 at 5:30 PM Radu Bogdan Dicher via <vondicher=[email protected]> wrote:
Raymond, Clay,
You both sort of got beat by a hair with the 4 youtube videos Clay is talking about. Must be this:?.?

And yes, I take back my statement on the overall assembly design of this unit. I didn't know there's just one SMA connecting?the shielded modules (there's actually several in my unit as to, I think, the youtube sample, but they're not rigid lines), but overall, it's a breeze to take apart (once you know what the correct path is).?

Thank you both! On to the work for me.
Radu.?

On Sat, Sep 17, 2022 at 4:42 PM Raymond Domp Frank <hewpatek@...> wrote:
On Sun, Sep 18, 2022 at 01:22 AM, freshndaire wrote:
I would not call this unit hard to service or a poor mechanical design.? Pull the big aluminum hunk and you have lots of access!? The synthesizer module has 3 long bolts holding it in.? Remove the SMA Semi-rigid coax cable from the module's backplane then pull the 3 screws in the middle and you can lift the synth module and set it aside with the other cables plugged in IIRC.
So my memory served me right!

Raymond

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