38-9 Restoration

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The Beginning
Don't Plug it In
6.  Install Electrolytics
The Plan

 1.  Get the Data

 2.  Block Diagram

 3.  Pre-Flight Checks

 4.  What Needs Replacement?

 5.  Ordering Parts

 6.  Install Electrolytics

 7.  First Power-On Checks

 8.  Triage Problems - more trouble!

 9.  Complete Electrical Restoration

10.  2nd Pre-Flight and Power-On, and The Last Problem

Additional Resources

 o  Antenna in the attic

 o  Shortwave Listening Guide

 o  Philco and Radio History

 o  Other Links


When replacing the caps I clipped the wires of the originals, but left them in place.  These are big cans mounted to the top side of the chassis, and leaving them in place provided a more authentic look to the finished radio.

Watch out for polarity.  It matters greatly for these.

Here's what they look like in place:

The black-and-white ones are the electrolytic capacitors.  The yellow ones are modern film capacitors that replaced antique paper ones.

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Lilian Vernon
Copyright 2004 look4000@verizon.net 
Last modified: November 01, 2008