[TechAssist] Re: Semiconductor purchasing question
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 6 Oct 2005 10:11:00 -0400
Agreed!
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
jstielau@xxxxxxxx
========================
----- Original Message -----
From: "peggs" <peggs@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 06, 2005 12:09 PM
Subject: [TechAssist] Re: Semiconductor purchasing question
> Electrosound is the most trustworthy distributor I have found.
> They are cheaper than anyone,and I have NEVER receive a 'knock-off' part
> from them.
> They sell many OEM parts,and some replacement stuff(RCA Focus Block,Zenith
> Focus Block) if you dare to go that route.
> No semiconductor I've ever purchased from them has been inferior.
> 1-800-441-6110
>
> Peggs
>
> At 03:14 AM 10/6/05, Premium Technologies wrote:
>>Group,
>>I had a Panasonic 27" in for repair today, with a not uncommon 3" high pic
>>across the screen. Found three caps behind the vertical heat shield and
>>the vertical IC LA7838 at fault. Replaced these and still had the
>>problem. Traced and tested for about a half hour more and replaced the IC
>>again, still same problem. At this point I'm fuming, going over the
>>print, retesting up the circuit, ESR testing caps that I had done at least
>>twice and looking for any clue as to why the IC looked as though it had
>>failed.
>>Finally I tried a third IC and to my surprise the pic was restored. I
>>looked at the packaging and found that these three ICs were purchased from
>>Tritronics and they didn't appear to be the cheap TT Chinese
>>knock-offs. I'm at least intelligent enough to knowingly avoid those. In
>>fact, I noted that I had paid almost nine bucks a piece for these.
>>So, I went to order some things from Tritronics this evening and searched
>>the LA7838 on their site. It came-up with several brands all using the
>>LA7838 and all of them a different price, ranging from a couple of bucks
>>to eleven plus dollars a piece. So what denotes a knock-off from an
>>original Sanyo made component when all you have is the price to go
>>by?? None of the brands listed were Sanyo and most of them showed each of
>>the brand part numbers, Hitachi and Toshiba for example, identifying it as
>>a LA7838 or OEM part. It's probably how I ordered the last ones - middle
>>of the road price or manufacturer number.
>>This makes a about four times in the last month I've had to replace a
>>component because it was a failure right out of the box.
>>I'll be calling Tritronics tomorrow but this seems like an epidemic that
>>obviously could be cured at the supplier's end. Besides, I just hate
>>wasting money on such a small margin repair as this one.
>>Anyone else had a similar problems lately with Tritronics parts?
>>Bill
>>William Rayburn, CET
>>Premium Technologies
>>PO Box 442
>>Long Beach, WA. 98631
>>360-642-4993
>>
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