[Test-Equipment] Tek 7613 with 7L13 plug-in help

[Kim Herron]

Kim Herron W8ZV 
www.goldenradioservice.com
kim.herron at sbcglobal.net
1-616-677-3706

-----Original Message-----
From: test-equipment-bounces at mailman.qth.net
[mailto:test-equipment-bounces at mailman.qth.net] On Behalf Of Greg Miller,
K2GTM
Sent: Monday, February 02, 2009 10:08 PM
To: test-equipment at mailman.qth.net
Subject: [Test-Equipment] Tek 7613 with 7L13 plug-in help


Hi all,

Does anyone have any experience repairing the 7L13 Spectrum Analyzer 
plug-in from Tektronix?  I am working on one with a 7613 storage scope.  
It seems the scope's power supply is dragged down by the plug-in when 
it's installed (the 7613 power lamp is dim).  I've run the scope without 
the plug-in and it seems much happier (the power light is full 
brilliance, etc.) 

This is what happens when the plug-in is installed:
-  No reference level or center frequency LED readout on the plug-in.
-  There is a dot about one major division up from the bottom of the 
screen which can be slightly controlled by the vertical position control 
on the plug-in.
-  There is no horizontal sweep.
-  There is no on-screen readout.

Instead of wasting time digging, if anyone has any suggestions or knows 
of any common problems with the 7L13 I would GREATLY appreciate it!  I 
have the manuals for both the scope and plug-in.

Thanks!
- Greg ______________________________________________________________
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