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Greetings to the list. I have been working on restoring a 7D20 module in my R7704 mainframe. I have everything working except the CH1 input attenuator (A12 hybrid board on the A4 preamp module). The 2

From: "jones_chap" [Snip] If you will be aligning Tuners, the 5000 series won't do. You will need something that will get out there. I've read that one needs to have three times the bandwidth of the

Hi, I would really like the schematics for the 465 Military, I am trying to trouble shoot my scope -5 is gone I have replaced the caps. I have downloaded the avalible manuals and they are helpful but

Beside collecting TM500 plugins, anyone actually usem, in particulars, the AM501. Just got two of em. I'd like to use a FG504 & FG501A plus other signal generators to create all different types of

From a Person that has started a very small business repairing, modding, restoring equipment, local & eBay, has friends that design for Peavey and do this for a living, and owns 7000 series equipment

From: "Paul Anderson" I just recently bought one of these for my 7603 mainframe scope, are they suitable as a general purpose timebase? Not really. They are mainly designed to use paired with the 7B80

Has to be at least a tripler with 6kV diodes and 10nF caps/10kV each. For a tripler - 3 diodes and 3 capacitors... Greg

Jerry, you welcome. I see you probably used R186 trig bal to adjust voltage. that -3V was probably coming from out of Q190. good job, Greg checked good

Would anyone have a copy of Stan Griffiths' Book "Oscilloscopes: Selecting and Restoring a Classic" they would be willing to sell at a reasonable price? Please reply to me off-list. Thanks in Advance

These scopes have similar CRTs: SC501 (PN 154-0699-00) MR501 (PN 154-0703-00) 212 (PN 154-0699-00) 211 (PN 154-0642-00) In my 212 manual the CRT circuit shows .6V AC (that's POINT SIX VOLTS) coming

---- "Richard W. Solomon" <w1ksz@...> wrote: For a real bargain look at a 465M, much better that either of those two, I've owned both, and much more portable than the 76 series. The 465M is

Hi from Deane: Yes, I am still alive and well and still rather sarcastic as follows. You want the HV multiplier from the 2235 scope but you don't include the Tek part number. Yes, I can go find the

I was originally going to suggest one of the T9xx scopes for portability and really low cost, but there are no expansion options at all. The 5000 series scopes are cheap and have a large CRT, (and I

Hi, Paul, * REPLY SEPARATOR * The 7B85 is easily usable as a standard timebase. It was, as I recall (someone check me on this?) designed as a 'companion' unit to the 7B92A to

I just recently bought one of these for my 7603 mainframe scope, are they suitable as a general purpose timebase? I'm not rally familiar with the capabilities of this particular plugin, though I am

Stephan, By taking your time and watching for sellers with good feedback ratings. Buying through Ebay can be a very good way to go. Tektronix 465's and HP 1740's are great oscilloscopes with 2

While it's true that you don't NEED a 'scope with a bandwidth of several hundred MHz for audio range use, I'd have to agree that a 7000 series 'scope is an excellent choice. They're versatile, very

From: "Richard W. Solomon" <w1ksz@...> I would recommend the 7603 with a 7B53 Time Base and a couple of 7A18 Vertical Amps. You can get that combo for $125 or less. With the plethora of

I would recommend the 7603 with a 7B53 Time Base and a couple of 7A18 Vertical Amps. You can get that combo for $125 or less. With the plethora of other plug-ins available you would have a versatile

I have (most of) a tektronix 212 scope that has been damaged badly, and I'm not going to try to fix it. What I will be doing is salvaging the CRT and building a new scope around it. I am looking for