Tektronix 2213 - Where to start?

sorenj07 · 14th April 2007, 08:02 PM

Hi, I just picked one of these up for a reasonable price off eBay. It turns on, and I get a dot in the middle, but I have no probes or anything. I found and downloaded the service manual, but have yet to make heads or tails of it. First off, does anyone have any recommendations for probes that I should try picking up? I don't know what else to do to make sure the thing works, I assume that fooling around with my CD player's output once I have probes should give me more of an indication...

XEAGLEKEEPER · 14th April 2007, 08:40 PM

soren
Ideally a x1/x10 probe or one of each.
Can you get a verticle trace with no probes? Select say 500ms on the sec/div and 500mv on the volts/div.Select channel 1 DC and you may have to adjust the trigger control a bit.

Dave

sorenj07 · 14th April 2007, 08:48 PM

Unfortunately, this is what I got after fiddling with a few settings. Bad, I assume?

XEAGLEKEEPER · 14th April 2007, 08:50 PM

That don't look good

If you dont mind me asking ! I hope it was a real reasonable price-I take it ,it was (as is) needs work price.
Dave

sorenj07 · 14th April 2007, 08:54 PM

$50 or so including shipping. I was actually anticipating having to do some work on it. Should I pop the cover and take a look?

XEAGLEKEEPER · 14th April 2007, 09:00 PM

Well it looks like a vertical sweep problem.What have you got to lose.

Dave

XEAGLEKEEPER · 14th April 2007, 09:07 PM

Be careful.I'm sure your aware of very high voltage on the CRT .

Dave

sorenj07 · 14th April 2007, 09:29 PM

Yeah. There's a little cluster of Sprague .01uF 4000V caps near the wire headed to the anode of the CRT

Unfortunately, I have absolutely no clue what to do. I'm reading this thread:
repair the Tektronix 2213 oscilloscope,service manual?
but I'm not positive that his and my problems are the same.

sorenj07 · 14th April 2007, 09:58 PM

Flipping the thing over, I saw a few areas with burned components. The Sharpie writing on the board confirmed my suspicions that someone else had tried to service this scope. A bunch of screws are also missing from the chassis, and some of them looked a bit chewed up. I guess he wasn't very good at repairing things...

14th April 2007, 08:02 PM	#1
sorenj07 diyAudio Member Join Date: May 2006	Tektronix 2213 - Where to start? Hi, I just picked one of these up for a reasonable price off eBay. It turns on, and I get a dot in the middle, but I have no probes or anything. I found and downloaded the service manual, but have yet to make heads or tails of it. First off, does anyone have any recommendations for probes that I should try picking up? I don't know what else to do to make sure the thing works, I assume that fooling around with my CD player's output once I have probes should give me more of an indication...

14th April 2007, 08:50 PM	#4
XEAGLEKEEPER diyAudio Member Join Date: Jan 2006 Location: central Iowa	That don't look good If you dont mind me asking ! I hope it was a real reasonable price-I take it ,it was (as is) needs work price. Dave __________________ Ret. USAF... AKA- Avionic * Solder slinger for hire...*

14th April 2007, 09:00 PM	#6
XEAGLEKEEPER diyAudio Member Join Date: Jan 2006 Location: central Iowa	Well it looks like a vertical sweep problem.What have you got to lose. Dave __________________ Ret. USAF... AKA- Avionic * Solder slinger for hire...*

14th April 2007, 09:07 PM	#7
XEAGLEKEEPER diyAudio Member Join Date: Jan 2006 Location: central Iowa	Be careful.I'm sure your aware of very high voltage on the CRT . Dave __________________ Ret. USAF... AKA- Avionic * Solder slinger for hire...*

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14th April 2007, 08:48 PM	#3
sorenj07 diyAudio Member Join Date: May 2006	Unfortunately, this is what I got after fiddling with a few settings. Bad, I assume?

14th April 2007, 08:54 PM	#5
sorenj07 diyAudio Member Join Date: May 2006	$50 or so including shipping. I was actually anticipating having to do some work on it. Should I pop the cover and take a look?

14th April 2007, 09:29 PM	#8
sorenj07 diyAudio Member Join Date: May 2006	Yeah. There's a little cluster of Sprague .01uF 4000V caps near the wire headed to the anode of the CRT Unfortunately, I have absolutely no clue what to do. I'm reading this thread: repair the Tektronix 2213 oscilloscope,service manual? but I'm not positive that his and my problems are the same.

14th April 2007, 09:58 PM	#9
sorenj07 diyAudio Member Join Date: May 2006	Flipping the thing over, I saw a few areas with burned components. The Sharpie writing on the board confirmed my suspicions that someone else had tried to service this scope. A bunch of screws are also missing from the chassis, and some of them looked a bit chewed up. I guess he wasn't very good at repairing things...

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