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While the commercial reasons for poor repair documentation are easy to appreciate, this is an example of where the most profitable route is not best for society as a whole. There are many such

Nik, what you describe is broadly speaking correct for Keysight too. They too have people who estimate the need for new and rebuilt assemblies for the period after product obsolescence. If an

Im not sure thats quite the whole story Vladan, or at least it wasnt for me in the early 2000's when i worked for Applecare Engineering. You dont simply create all the spare assemblies you think you

When the supply chain fails as happened with Covid, it could even become a national security issue when companies are unable rather than unwilling to make timely repairs…and where new equipment

Frank, I will tell you something interesting. At Keysight, they still have a few people who repair broken in house equipment (e.g. for the R&D lab). However, if they have to dig deeper than described

Yes, times have changed and that is what the OP lamented. Until around 1990, it was still economical to have an in-house repair department that could find a bad IC or transistor. Almost everyone

Chuck, Fair enough.? I get your point.? I think you could have used a better example though.? I understand the difficulties in passing legislation.? I already stated that I don't think

Vladan, I really appreciate your input as you do have the advantage of all 3 vantage points.? I am not a designer.? I am a consumer and a professional repair engineer.? And I think you take my

Why am I here? Possibly to teach guys like you that modern equipment isn't always economical for guys like you and me to repair. Companies providing schematics wouldn't change that fact one

Sadly, I didn't think you would understand... I inferred your desire to share in proprietary manufacturing processes from what you were asking. Programming a custom chip is a part of the

I am a hobbyist and also a professional in engineering who has for decades made purchasing decisions.? In my career I have leaned toward buying equipment that is supportable.? Yes now that is

Frannk, I can speak about this topic from all the vantage points you mentioned. I am a consumer, I do like to repair some of my equipment (but not all), I have designed test equipment at HP, and I

Good Evening to the group!? ?First post but I've been reading a ton for a few weeks now. (I thought I posted this but I don't see it, so I'm reposting.. please delete if i did something dumb) I've

Congratulations Jinxie, your hard work and determination paid off. Your dual transistor construction looked great and will be an inspiration for others. I also enjoyed the challenge, no need for any

Thank you for the nice words Barry. I can assure you no computers were harmed during the debug :) I like the puzzle of hunting for the fault, especially on older HP and Tek equipment where there is

@jmr Thanks for the suggestion; I guess now - or nowish - would be optimal. If I can find the time tomorrow I shall do so (but it will definitely be under a new subject title as this thread has

I think group member Milan Vasic has some CLIP files (Component Level Information Packet) that contain schematics for various HP gear including the ESGD B variants of these signal generators. These

That assumes you have the time to reverse engineer the faulty product, at least to some degree.? These days I'm commuting about two and a half hours each day, so not having at least a schematic

I agree there Jim.? While I do agree with some legislation, I have not been too keen on what I've seen passed so far.? Manufacturers are already circumventing some of these laws passed in CA from

As usual, something between the ridiculous extremes would be the best situation.? Between say, manufacturers being forced by the government to divulge all their secrets and consumers forced to have