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Did you find a knob for your scope? I have some for different 4** series scopes how is the clear flange marked and does it have a black ring around the cal red knob? Jim

Wow! You da man! Thanks! RB

I can program and send you those 2 chips, no problems. Just send me your address off list to ksi at koi8 dot net. No

Sergey, Thanks for your detailed post. I am new to SA's in general and to the 495P specifically but am learning. I have spent considerable time with the two-volume service manual (700+ pages) as well

Unless they're using a Yahoo email address.. Vince.

Okay, Jim. I took a second look and the power entry section is just a small part of the back panel so that would be a fairly easy replacement. Thanks, Barry - N4BUQ

The mail isn't coming from yahoo any more guys, we moved to the groups.io server. Dave

Same issue here. Marked them as not spam and all is fine now.

Chipquick is definitely very useful when the project calls for it. JK

There are 9 EPROMs in v9.7 firmware in 494AP that should be the same as you have. They are part numbers 160-8315-00 to 160-8323-00. First 2 are on that memory board, rest is on GPIB board. I have all

Uh, aren't we on groups.io now rather than yahoo?? Yahoo is out of the picture. Sent from my Verizon, Samsung Galaxy smartphone

I thought our group was using "groups.io" not Yahoo.? Yahoo should not be involved unless they are your email client.? I use Yahoo email client and web based email.? That Yahoo client dumped all of

If anyone is having trouble with replacing components, maybe try Chipquick low temperature alloy. Recently I came into an obscene hoard of that stuff, and found that it works rather well. I don't

Right. various yahoo.com servers may have been downgraded in their trustworthiness and then the settings of your junk sensing flag it as junk. If you change settings to allow from yahoo it will

Grayhill makes some DIP switches that are sealed with epoxy on each pin, and I've seen them with a clear layer of tape that is to be removed after a board is cleaned. They are the types with recessed

Yep, have to agree with this opinion, wonder why? <grin>

All email is directed by your email program, not yahoo. It's possible that the classification of the yahoo email has changed somehow, causing your email program to put it elsewhere. You might want to

I am no expert on driving power FETs, however I think the biggest concern is the gate charge rather than Gate/Source capacitance ? There is a good deal of correlation between the two of course, but

Same here. Any ideas? www.cwgsy.net/private/mandoline "Error 008472. Horrible bug encountered. $Deity knows what happened."

Help, Now all my TekScopes email is sent to spam folder. Is this a Yahoo problem? Carl Hallberg (W9CJH)