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I have a TDS684A scope which refuses to turn ON, instead when power button is pressed it tries to power ON but shuts off right away and then it get stuck in half second ON half second OFF loop. I have

Oops, sorry I totally missed that. I think I should read the manual before asking such questions :) Fabio. Albert <aodiversen@...> ha

short description of 155.013.00: Tek Custom IC, Horizontal Chop and Alt Bin greetingsMartin To: TekScopes@... From: aodiversen@... Date: Wed, 11 Jul 2012 08:32:07 +0000 Subject:

There is an extensive description of the U2530 Horizontal Binary operation at page 2-15 manual. Albert

Please note that water that has been through a domestic water softener does not qualify as that merely swaps sodium for the calcium, magnesium etc that causes hardness, but doesn't reduce the quantity

The Tek article mentions not using any carbon based solvents as they might damage capacitors & critical assemblies..... I think normal contact cleaner spray is a carbon based solvent... Does anyone

thanks morris. I am going to try and buy the silver solder from stan's parts shop. I might also try and buy the cover clamps from there also since there is a minimum $10 order. will I need to use

1. At first I will use compressed Air to remove all what I can blow away.2. Remove all covers, also the small like HV area.3. remove all tubes, marked where they was plugged in, no hange to another

Hi Reed, Just one note of caution - when pulling the paper covers off the can capacitors, be careful they are not charged. The can is usually insulated because it is a part of a negative supply or

Tek used to wash scopes this way like forever, nothing new there. <http://groups.yahoo.com/group/TekScopes/files/Tek%20Scope%20Cleaning%20by%20C%20Phillips.pdf> I sometimes wonder if a vacuum drying

I want to pass on to the forum members the procedures Stan Griffiths has developed for washing, cleaning and drying scopes. One salient point, make sure the water you use in these procedures is soft.

Some time after my first response to Jim Powell's comment I decided to re-look around, and I discovered that I only needed to remove the bottom panel in order to see the end of the CRT. Not sure why I

They routinely go for $100-$120 at hamfests in the pacific northwest. (475/475A go for about $200). You willget a better price at a hamefest of craiglist, as on e-bay you are competing with

Thanks guys on the impromptu training on the 7854. I had thought to be helpful but I should have checked for similarities first before posting. At least it is good to hear that if/when I finally get

Are you double sure the connector between the bottom half and top half is plugged in tight, all associated connections/pins are tight, clean, etc.? All of my 7704A's had strange 'issues' at first.

Currently I've seen reconditioned 465's in very clean condition selling for between $250-500 (really!) on ebay.

I'd like to thank Casey for posting here; at least there's a fighting chance somebody with the proper inclination and skill will see it AND lives close enough to adopt it. Google says Scotts Mills is

Ive added some photos of the scope displaying the fault. These are in my photo folder under bill.valvetechnology. Ive checked the waveforms and ripple from both power supplies against the manual and

http://www.slack.com/TE/Tek7854/

Hello, I bought a broken 7704A. The question: anybody knows the function of the 155-0013-00 IC ? Is possible to build an equivalent device, or to test one comparing it to another one? I have tree of