click for History of the HW-101

click for HW-101 Service Bulletins

click for Misc. HW-101 Mods. by NR Williamson

click for Misc. HW-101 Mods. by WB8JKR

click for An RIT Mod. for the HW-101

click for HW-101 Specifications


1.  Power Cable Wiring Diagram for HP-23 series power supplies.

cable1a.jpg (160024 bytes)   cable2a.jpg (157862 bytes)   (click pictures to enlarge)


2.  Dial Cord Modification Directions   [CLICK HERE FOR MORE ON THIS MODIFICATION]

  (click pictures to enlarge)


3.  Heathkit Alternate Neutralizing Method

  (click picture to enlarge)


4.  Lever Knob Installation (make sure operating mechanisms turn easily, especially the filter switch, as these lever knobs are easy to break)

lever.jpg (257365 bytes)  (click picture to enlarge)


5.  Microphone Connector Diagram

mic1.jpg (189182 bytes)  (click picture to enlarge)


Contents copyright 2006-09 OldHeathkitParts - K8GNZ