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Re: 7704A - Intermittent Readout


 

If I remember properly, one thing that distinguished the Texas Instruments sockets was that the IC pin was gripped by the small edges, not by the larger flat surfaces.

Harvey

On 3/23/2022 9:47 PM, n4buq wrote:
H?kan,

Thanks for that link. I was pretty sure the ones on that board are not Texas Instrument sockets. I think HP has had their share of bad sockets and I think those might be TI sockets. Those are identified by their red color. I replaced a few of them in an HP-3456A.

Thanks,
Barry - N4BUQ

----- Original Message -----
From: "zenith5106 via groups.io" <hahi@...>
To: "tekscopes" <[email protected]>
Sent: Wednesday, March 23, 2022 3:28:52 PM
Subject: Re: [TekScopes] 7704A - Intermittent Readout
On Wed, Mar 23, 2022 at 09:01 PM, n4buq wrote:

I've read where certain (Texas Instrument) sockets are known problems but this
one doesn't appear to be TI socket
The really bad TI sockets are easily identified by the profile at the short end.
Check here
Disregard the text above "DIP sockets are ..." and the picture at the right.
The bad ones are the ones on the pictures at the bottom of the page.

/H?kan




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