575 556? I would love to have a 556. They are both massive double beam machines but there are quite a few differences. The 556 is in one piece while the 555 is quite a bit larger and has a separate

Thanks Emanuele for your extensive coverage for cleaning the pots of an 475. I'm sure more people appreciate this nice stor, because it is one of the most common failure's in 465, and 475 scopes,

help. pins vertical the Q394 good. this wire you sure w7ni@e................................................................ .. upper signal have the Q should You can and see if then I would shorting

Hi Mike, Good news! It is always great to hear of a success like yours. More comments below . . . mtmpsmp@... wrote: Well, there are marginal technicians in every company . . . Half the

on this, ...................................................................... The trace starts on center of screen and runs to right side, Vertical seems to be ok. The output transistors voltages

Thanks to everyone who replied, I've contact several and am looking for the best price Doug manual manual

I need a transformer or a working power supply for my 7904 scope.The serial # is above B260000. The transformer is T1310, part # 120-0742-00. The power supply assembly is # 620-0461-00 Paul

Hi, Doug, Check out the "Q&A" column in the February 2001 issue of "Poptronics" magazine (formerly "Popular Electronics" and "Electronics Now" magazines) for a list of manual sources. Also check

Hi Paul, I can't help you with this one. You might try Deane Kidd <dektyr@...> Stan w7ni@... ke4dnk@... wrote:

Hi Doug, Are you really sure Tek still offers older manuals on microfiche? Last time I checked I thought they had discontinued that, too. Stan w7ni@... dhuster@... wrote:

I have picked up a 127 preamp power supply that is used to power a couple of 1- or letter plugins for use as instrument amplifiers. It's quite a boatanchor and seems to work OK but I want to replace

Hi Morris, I am sure Tek made a silicon replacement kit for those seleniums. I am sure I have a copy of it on microfiche. I will check that out at my next free moment and see about taking my

Hello, since you have a 556 you may be the one to know, i just picked up for cheap a 556 that looked good, but when i got it home it looks as if a rodent has eaten a lot of the wires and insulation

Hi, Stan, I was the one (Dean) who mentioned the manuals on 'fiche. I suppose that I'm only assuming that they're doing that since they were so hot to get all of us Service Center technicians to

Well, if you have the room, it's quite the scope, don't you think? ;-) On the other hand, I would buy the manual from you! Michael

dhuster@... wrote: Well, Tek USED to do exactly as you described . . . make all the old data available on microfiche. I think they quit doing it a couple of years ago. I am not familiar

Congratulations TekGroup! We've hit 100 members! ----------------------------------------------------------------- Michael Dunn | Surround Sound Decoder & Stereo Enhancer Cantares |

Hi Morris, Well, Tek made TWO different silicon mod kits for the 127, depending upon the serial number of your instrument. For Serial Number 100-357, it is 040-0217-00 and for Serial Number

Hi Don. Been watching the list for a while. It was from one of your email on the DCC list that I learned about this list. Anyway... I told Jim Williams here at Linear Tech about this list. (My

I have a 7104 and now a 7103 that have the same readout problem. The readout is not visible unless the intensity knob is turned CW to the "pulsed" position and then pushed against the stop. On the