General > General Technical Chat

What ever happened to TV technicians?

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Brumby:

--- Quote from: bd139 on May 10, 2022, 10:38:22 am ---At a high level, the only realistically serviceable components are at module level at this point. When I say realistically, I mean in a commercially viable scenario. No vendor is going to set up a supply chain for individual parts for board level repair.
--- End quote ---
If you are talking about Apple here, then this, IMO, is a dumb comment .... sorry.  Nobody is suggesting Apple turn into Mouser or Digikey - just that they LET Mouser and Digikey sell the parts if Mouser and/or Digikey feel it is worth doing.

In addition, you can't be too critical at a repair industry that cannot GET original parts and have to go scrounging for whatever they can get.


--- Quote ---It makes no economic sense whatsoever to do this when the post-repair manufacturing test cases would need to be executed on rather large and expensive kit. What you end up with board level repair is an unvalidated system and the vendor would not risk their reputation on shipping that.
--- End quote ---
This is where one repairer can differentiate themselves from others - perhaps not by their post-repair test processes, but by their overall success (or failure) rate.  This results in a thing called a reputation - something by which a great many non-manufacturer repair organisations have distinguished themselves within an industry.  The vendor's reputation is isolated because it is the repairer's actions that are at the forefront.  When did the reputation of Ford, GM or Toyota ever suffer because the mechanic around the corner stiffed a customer on a service?


--- Quote --- Independent repairers (and I've pissed off Rossman on here before) do not do that validation and do not necessarily provide working kit after repair. It looks like it works but might not. Enough for data recovery, yes, but that's about it.
--- End quote ---
Maybe.  Such repairs could run for years - but it is an unknown.  The skill of the repairer has a lot to do with that.


--- Quote ---It's being terribly dishonest that a mechanical board level repair on a complex SoC is fit for purpose when you have no way of validating that other than it POSTing.

--- End quote ---
Even if they offer a warranty on the repair and declare any concerns they have?  If a duly informed customer is OK with that, where is the dishonesty?


Certainly, I am looking at the scenario of a repairer with some principles.  There are going to be bottom feeders - as there are in any industry.

CJay:

--- Quote from: Brumby on May 10, 2022, 02:50:40 pm ---If you are talking about Apple here, then this, IMO, is a dumb comment .... sorry.  Nobody is suggesting Apple turn into Mouser or Digikey - just that they LET Mouser and Digikey sell the parts if Mouser and/or Digikey feel it is worth doing.

In addition, you can't be too critical at a repair industry that cannot GET original parts and have to go scrounging for whatever they can get.

--- End quote ---

Agree with pretty much all of that. Apple have actively sought to prevent anyone doing component level repair on their equipment by fair or foul means over the past 30-35 years that I know of, they've created the market where people have to clone components precisely by denying anyone access to spares.

I have some sympathy for the argument that module level repair is the only feasible route for home repairers but I know of companies that make very nice profits repairing warranty boards for companies like HP, Dell etc and even some mobile device manufacturers (though that is a relatively small part of their business) who would *love* to be able to get their hands on genuine Apple parts and ramp up to offer component level repairs.

bd139:
I don’t think my argument was dumb. Go and look at the logic board in an M1 MacBook Air. It’s a couple of ASICs, FLASH, RAM and power management and SFA else. The component level repair isn’t viable even if skilled.

Reputation doesn’t even factor in here. That’s not a value you can add without lying about your capability to validate the repair.

People have access to spares now and everyone is complaining still  :-//

No one is ever happy  :-//

For reference Apple are slowly ramping their repair scope to all devices. They did the phones first because the market impact is the highest. It’s computers next I understand.

What I really want to see on the market is replacement port daughter boards for the recent MacBooks because that’s the thing I’m probably going to break and can replace myself. (Unlike Lenovo who solder the damn things onto the logic board now and when they go it tears the tracks off  |O)

David_AVD:
Getting back closer to the original post, the number of electronics repair shops has definitely decreased over time.

Most of the A/V repair techs I know are in the 50+ year old age bracket. There has been a lack of people entering the trade for a long time now.

The interest in component level repairs from younger people just doesn't seem to be there.

themadhippy:

--- Quote --- the number of electronics repair shops has definitely decreased over time
--- End quote ---
How much of that is down to the falling price of consumer electronics? A quick google says an average black +white tv in 1970 was equal  to over 2 months pay,now your average tv is less than a weeks wages,is it really worth paying £50-£100 to get your 40" tv fixed when you can buy a new one for less than £200.

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