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Motorola 77X-M22
Bob Andersen
Phorum Expert
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Posts: 797
Threads: 42
Joined: Dec 2008
City: Chicago, IL
#6

11-22-2013, 06:03 PM
Yes, for the FM band there are three ganged slugs that move in and out of coils. Here's a closer look.
[Image: http://farm6.staticflickr.com/5480/10950...130b_c.jpg]

Finally, here it is powered up. Turns out the FM band works fine. Problem was I had the variac turned down to 105 VAC Icon_redface Brought it up to 117 and the FM started working fine.
[Image: http://farm6.staticflickr.com/5535/11000...4ab5_c.jpg]
(This post was last modified: 11-22-2013, 06:05 PM by Bob Andersen.)
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Messages In This Thread
Motorola 77X-M22 - by Bob Andersen - 11-22-2013, 01:34 PM
RE: Motorola 77X-M22 - by Joe Rossi - 11-22-2013, 03:13 PM
RE: Motorola 77X-M22 - by Bob Andersen - 11-22-2013, 03:44 PM
RE: Motorola 77X-M22 - by VntgRads - 11-22-2013, 04:32 PM
RE: Motorola 77X-M22 - by PhilcoMike - 11-22-2013, 05:04 PM
RE: Motorola 77X-M22 - by Bob Andersen - 11-22-2013, 06:03 PM
RE: Motorola 77X-M22 - by Geoff - 11-23-2013, 02:30 AM
RE: Motorola 77X-M22 - by TA Forbes - 11-23-2013, 11:54 AM
RE: Motorola 77X-M22 - by TA Forbes - 11-23-2013, 01:08 PM
RE: Motorola 77X-M22 - by Bob Andersen - 11-23-2013, 08:58 PM
RE: Motorola 77X-M22 - by TA Forbes - 11-25-2013, 01:43 AM
RE: Motorola 77X-M22 - by Arran - 11-25-2013, 02:53 AM
RE: Motorola 77X-M22 - by philconerd - 11-25-2013, 11:38 AM



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  1. The PHILCO Phorum
  2. Various and Sundry Categories
  3. Other Radios (Non-Philco)