strange 3 legged device

[m3vuv]

this was posted in repair section but only anwers i got were from the gramma police so posting it here,long story,but need to id the component that fixed it,look under laptop psu issues in repair section.TIA

[Brumby]

Since you haven't posted the story here, I looked up the original thread.

You have to understand:
  1. Communications is a two-way street
  2. People contribute here voluntarily and for free

So - if you want help, you need to make the effort to present your question in a way that is easily readable - so that the people who have the knowledge can understand it straight away.  If it requires interpretation or re-writing so that the message is clear, then you can expect a lot of people to avoid getting involved.

Getting upset at being criticised is just silly.  It says to us that you aren't prepared to make a decent effort and expect magic answers.


We are a pretty easy going group here, but this sort of attitude is not going to get you far.

[m3vuv]

FFS here we go againe,was the post written in an alien language then?,i must find a rosetta stone,WTF IS WRONG WITH PPL?,piece of advice if your just gonna slagg of my grammer fuck off!

[Ian.M]

O.P's lack of GoogleFu and poor attitude continues to entertain.  It took me about five minutes to narrow the mystery part down to a small family of similar parts from a well known manufacturer we love to hate^*, and a couple more minutes to find a method of spoofing one on a popular electronics website (and not buried in a forum post), and a manufacturer's page that states "***** are only available preprogrammed with customer-specific and write protected data" and "***** devices are only available to existing customers. New data patterns are no longer accepted".  (Part name and description obfuscated because we are trying to teach O.P. how to fish . . .)

S.E.D catchphrase: "Friends don't let friends use <specific_manufacturer>!"

[Brumby]

FFS here we go againe,was the post written in an alien language then?,i must find a rosetta stone,WTF IS WRONG WITH PPL?,piece of advice if your just gonna slagg of my grammer fuck off!

Arrogant prick.

Such an attitude is going to get you nowhere.  If you can't see what people are saying TO HELP YOU - then take your own advice and fuck off.

[Brumby]

Here is what you originally wrote, with some simple changes THAT MAKES IT 10 times more readable:

Hi all,

A few weeks ago my Dell Inspiron charger DC lead broke where it joins the plug.  I carved off the plastic and soldered the wires back onto the DC plug body.  It worked fine for a few days then I got a "plugged in not charging" error.  Long story short, a wire had come unsoldered.  I resoldered it and belled the wires through to the charger PCB.  All was good but I assume the loose wire shorted and fried the data Id chip as it still wont charge.

I have a spare PSU.  I took them both apart and the only thing going to the data wire is a TO92 device.  It is marked with two rows of numbers: top row reads 2929, second row underneath the first reads C4381.  It tests as a diode in my component tester.  Is this what sends the charger Id to the lappy?
TIA.

P.S.  I think the joint fail was due to Chinese eBay supposed 60/40 Pb solder thats more like dogshit when melted!


Make an effort in your communication and we will respond more positively, but if you want us to understand your slack scribble and get so offended by us having to re-interpret it, then I repeat my previous suggestion.

[Brumby]

Hint for the OP:  READ what you type and see it will be clear to someone else.  ONLY if it does should you then hit "Post".

[m3vuv]

thanks ian more helpfull info given than the idiot brunby,cheers.

[Brumby]

Ian.M gave you information to help you out this once - because he took the time to work out what you said.  I gave you information to help you out for the future - including the why and an example of how.


If you calling me an idiot makes you feel better, then jolly good for you.

[tooki]

FFS here we go againe,was the post written in an alien language then?,i must find a rosetta stone,WTF IS WRONG WITH PPL?,piece of advice if your just gonna slagg of my grammer fuck off!

Lemme tell you: you’re in NO place to be giving others advice on forum etiquette!!

You need to read this and take it to heart. Read and reread until you understand and respect every bit of it: http://www.catb.org/~esr/faqs/smart-questions.html

[gnif]

Warning given to m3vuv for breach of rule #2

2) No personal attacks. This is the biggest rule on this forum. If you don't follow it, you are not welcome here.

https://www.eevblog.com/forum/chat/forum-rules-please-read/

thanks ian more helpfull info given than the idiot brunby,cheers.

People here are trying to help you, how you write shows a total lack of care on your side and makes you very hard to understand. This is not our fault, it's yours, plain and simple. You need to humble yourself and accept that you need some help with your grammar/wording and accept it when offered or you're going to end up banned from this forum also.

[Capernicus]

Warning given to m3vuv for breach of rule #2

2) No personal attacks. This is the biggest rule on this forum. If you don't follow it, you are not welcome here.

https://www.eevblog.com/forum/chat/forum-rules-please-read/

thanks ian more helpfull info given than the idiot brunby,cheers.

People here are trying to help you, how you write shows a total lack of care on your side and makes you very hard to understand. This is not our fault, it's yours, plain and simple. You need to humble yourself and accept that you need some help with your grammar/wording and accept it when offered or you're going to end up banned from this forum also.

What a personal attack is, is actually rather ambiguous, my advice to m3vuv, is you have to be a sly as them, or u get booted off, its unfortunate,  and every single electronics forum on the internet is exactly the same,  I didn't make it this way I am sorry.

[Ian.M]

I've just 'plonked' (ignore list) the O.P. so I don't accidentally get drawn into his drama again, and as a reminder that I don't need to waste time helping the disagreeable.

[gnif]

What a personal attack is, is actually rather ambiguous, my advice to m3vuv, is you have to be a sly as them, or u get booted off, its unfortunate,  and every single electronics forum on the internet is exactly the same,  I didn't make it this way I am sorry.

Have a read through https://www.eevblog.com/forum/buysellwanted/ebay-scammers/ and then tell me you still feel the same... m3vuv was already being watched due to deplorable behaviour.

This member has a history of throwing insults at people trying to help him.

[tooki]

What a personal attack is, is actually rather ambiguous, my advice to m3vuv, is you have to be a sly as them, or u get booted off, its unfortunate,  and every single electronics forum on the internet is exactly the same,  I didn't make it this way I am sorry.

Yes, what a tragedy that so many forums expect people to act in a civil fashion, and to not waste others’ time with poorly worded, vague questions. 

[m3vuv]

Tbh the thing that angers me on these forums is when folks dont read the question and give answers what i am already aware of
It makes me mad,having to waste my payed bandwith reading replys that  dont answer the question i originaly asked
dont mean to be rude but it  totaly pisses me off big time,Then ontop of that is the grammer police WTF !!!!.

[gnif]

Tbh the thing that angers me on these forums is when folks dont read the question and give answers what i am already aware of
It makes me mad,having to waste my payed bandwith reading replys that  dont answer the question i originaly asked
dont mean to be rude but it  totaly pisses me off big time,Then ontop of that is the grammer police WTF !!!!.

1) How can people know what you're already aware of?
2) If you're so concerned about wasted bandwidth then perhaps the internet is not for you
3) Nobody here is obligated to answer your question at all, this is a public open and free community governed by a set of rules to try to keep things somewhat organised and amicable.
4) Calling people "twats" and various other derogatory things is indeed you meaning to be rude, don't try to play this down.
5) You need to learn the difference between someone picking on grammar (ie "grammar police") and someone pointing out that your writing is almost completely garble. If they were complaining that you made a single miss-spelling, or used `your` vs `you're`, etc... then yeah, they are a grammar natzi, but in your case, your posts are so poorly written they don't even approach any level of correctness making them extremely hard to read for all of us.

In short, the problem here isn't us... it's you. Settle down, stop being so angry, learn and grow instead of continually acting like a child.

[m3vuv]

how about folks just stick to the questions asked ?

[tooki]

how about folks just stick to the questions asked ?

You need to ask your questions in a way that the question is clear, and doesn’t take effort to figure out. We are not paid tech support, so you have no “right” to expect us to wade through incomplete questions written in a way that makes them incomprehensible. We do not owe you a response. If anything, it’s the people doing the responding who have a stronger claim to being able to dictate the terms on which they provide you, free of cost, a response.

Thus: If it’s too hard to even figure out what the question is, most people will just ignore it altogether. You had the fortune (and I say that in earnest, it’s not sarcasm) that someone told you that it’s the wording that made them ignore the question. (Fortune because now you KNOW the problem and can take steps to address it.)

But when you come back with an entitled, snippy tone, you turn everyone against you. The initial poor wording could have been dismissed as ignorance, but your responses ooze entitlement, and that will ensure nobody answers.

I shared this link with you before: http://www.catb.org/~esr/faqs/smart-questions.html
Seriously, dude: READ IT and take it to heart. Once you follow it, you’ll find that your questions are infinitely more likely to get answered.

[Brumby]

how about folks just stick to the questions asked ?

wetrytoreadyourquestionsandunderstandwhattheproblemisthatyouarehavingsowecanworkoutwhatwemightbe
abletoofferinthewayofadvicebutwhenitcomestohavingtodecipherwhatyouhavewrittensowecandothistbhthereare
betterthingswecandowithourtimethanmakeanattemptatinterpretingyourwaffleinthehopeofgettinganaccurate
pictureoftheissuesowecanstartgivingusefulinformationandhelpfulsuggestionssoifyouwantustohelpyouthenplease
makeiteasierforustodosoalsoitissomewhatarroganttowalkintoanestablishedgroupanddemandthattheymust
conformtoyourstandardofcommunicationswhichhasanextremelylowsnrthefactthatiandothershavetakenthetime
tooffersuggestionsinimprovingyourcommunicationabilitiesforyourownbenefitshouldindicatethatwearentdoing
soforthesakeofbeingpompousbutforagenuineinterestinhelpingyouthisisthereasoniamwritingthisasihavetotryand
showyouthatthewayyouwritemakesitdifficulttoreadwithoutgoingthroughaninterpretationstepsometingwhichidid
previouslyifyouarestillsofullofyourselfthatyourefusetoseethatthenthepreviousfuckoffadviceyouofferedisadviceyou
shouldtakeyourself

[Brumby]

I have to take a shower now.....

[mc172]

https://lmgtfy.app/?q=C4381

[DavidAlfa]

I'm more of this one when this level of incompetence is reached :
http://www.usethefuckinggoogle.com/?q=C4381

[mariush]

There's a thing most people don't know ... you have to add a code in front of that part number.

See : https://www.electronics-notes.com/articles/electronic_components/transistor/transistor-codes-numbering.php


ex. You have 1N for diodes (ex 1N4007, 1N5819 etc) and you have 2S for transistors .. so you may want to search for 2SC4381

Here's a random datasheet from Google Results : https://www.semicon.sanken-ele.co.jp/sk_content/2sc4381_ds_en.pdf

from the link above :

JIS semiconductor device numbering scheme

The Japanese Industrial Standards, JIS part numbering scheme for semiconductor devices is standardised under JIS-C-7012.

This scheme uses a type number that comprises of a number followed by two characters and then this is followed by a serial number.

First Number

The first number indicates the number of junctions int he semiconductor device.

    1 = Diode
    2 = Bipolar transistor or single gate field effect transistor
    3 = Dual gate field effect transistor

Letters in positions 2 & 3

    SA = PNP high frequency bipolar transistor
    SB = PNP audio frequency bipolar transistor
    SC = NPN high frequency bipolar transistor
    SD = NPN audio frequency bipolar transistor
    SE = Diodes
    SF = Thyristor (SCR)
    SG = Gunn devices
    SH = UJT (Unijunction transistor)
    SJ = P-channel JFET / MOSFET

    SK = N-channel JFET / MOSFET
    SM = Triac
    SQ = LED
    SR = Rectifier
    SS = Signal diode
    ST = Avalanche diode
    SV = Varactor diode / varicop diode
    SZ = Zener diode / voltage reference diode

[tszaboo]

Since you haven't bothered to spend 3 seconds to post a picture again, or to write complete sentences, with punctuation, I'm not going to bother spending time answering your questions. What comes around goes around.

[srb1954]

how about folks just stick to the questions asked ?

wetrytoreadyourquestionsandunderstandwhattheproblemisthatyouarehavingsowecanworkoutwhatwemightbe
abletoofferinthewayofadvicebutwhenitcomestohavingtodecipherwhatyouhavewrittensowecandothistbhthereare
betterthingswecandowithourtimethanmakeanattemptatinterpretingyourwaffleinthehopeofgettinganaccurate
pictureoftheissuesowecanstartgivingusefulinformationandhelpfulsuggestionssoifyouwantustohelpyouthenplease
makeiteasierforustodosoalsoitissomewhatarroganttowalkintoanestablishedgroupanddemandthattheymust
conformtoyourstandardofcommunicationswhichhasanextremelylowsnrthefactthatiandothershavetakenthetime
tooffersuggestionsinimprovingyourcommunicationabilitiesforyourownbenefitshouldindicatethatwearentdoing
soforthesakeofbeingpompousbutforagenuineinterestinhelpingyouthisisthereasoniamwritingthisasihavetotryand
showyouthatthewayyouwritemakesitdifficulttoreadwithoutgoingthroughaninterpretationstepsometingwhichidid
previouslyifyouarestillsofullofyourselfthatyourefusetoseethatthenthepreviousfuckoffadviceyouofferedisadviceyou
shouldtakeyourself

Did you go to law school?

It usually takes legal skills to write such a long and incomprehensible statement like this example.

[Brumby]

 

I just took my lead from the Op.

[Cerebus]

I used to be the technical editor for a well known computer magazine here in the UK. I've said this here before, but it bears retelling. There's an old saw that nutters write to the papers and magazines ALL IN CAPITALS AND IN GREEN INK.. I can say, having been the man to open the post more than once to find a letter just like that, that it really happens. Not only that, but I've observed the phenomenon at more than one magazine that gets letters from the public.

Not all crazy "letters to the editor" are that obvious, but there's a loose rule that the more idiosyncratic the presentation, the higher the probability that the writer has some *ahem* alternative approach to reality. So alternative CAPITALISATIONS, alternative 'uses' of ??, punctuation marks, random font changes or bolding and heavy emphasis of half the clauses in every sentence are all signs that should be heeded.  Also warning signs to heed are: rando speeling (sic), inappropriate usage of argot of the kind that you'd expect from someone who when speaking ends every sentence with "innit, fam", as should dropping of initial capitals and final full stops, the absence of paragraphs, or every sentence being a paragraph to itself, or no real fully formed sentences at all. See more than one symptom in a letter and it goes in the "funny letters" file rather than getting published or answered; 'funny' here being 'funny peculiar', not 'funny ha-ha'.

Sometimes the letters are funny ha-ha as well, but more often they're either sad, slightly scary or, thankfully rarely, need to be immediately passed to the police. I've seen a couple of the latter too.

Oh, and you know that footnote on the letters page that says something like "Letters may be edited for length or clarity"? Ninety percent of those worth publishing need editing for either clarity, spelling or basic grammar.

So, that's about 9% less that need editing when compared with what the actual paid writers turn in. 

[james_s]

FFS here we go againe,was the post written in an alien language then?,i must find a rosetta stone,WTF IS WRONG WITH PPL?,piece of advice if your just gonna slagg of my grammer fuck off!

On the contrary WTF is wrong with you? What do you think you are going to get out of being demanding and rude of people you're asking to help you for free? You're going onto my ignore list because of your attitude. Sorry, I can't be bothered to help people who act entitled and nasty. Perhaps you're just socially inept and completely unaware that you come off as incredibly rude but that is on you to figure out before you make an ass of yourself in a public forum.

[Terry Bites]

No pictures- no love. No time wasters please!