46-200 code 122

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46-200 code 122

Chuck Schwark
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Posts: 1,703
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Joined: Sep 2005
City: Evanston, IL

11-28-2007, 11:12 PM

You have a Code 122 version. Have not seen the Riders, but it sounds like it's not correct. R100 (as called out in the Philco service Bulletin PR-1135 for Code 121 and Bulletin PR-1298 for the 122) is an 80 ohm candohm unit (filament string ballast). The 46-200 Code 121 did NOT have a 14B6 in it.

The Model 48-200 has that tube lineup in the Rider's you are referring to. There also is no R100 filament string ballast resistor in the 48-200 because the IF tube has a 14 volt filament (14A7) instead of the 6.3 volt (7B7), the difference which R100 makes up.

Riders got it mixed up. There's the confusion.

Chuck Schwark,
The Philco Repair Bench
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Messages In This Thread

46-200 code 122 - by Jim Dutridge - 11-28-2007, 05:30 PM

[No subject] - by Chuck Schwark - 11-28-2007, 06:20 PM

[No subject] - by Jim Dutridge - 11-28-2007, 07:26 PM

[No subject] - by Chuck Schwark - 11-28-2007, 07:39 PM

[No subject] - by Jim Dutridge - 11-28-2007, 07:56 PM

[No subject] - by Chuck Schwark - 11-28-2007, 11:12 PM

[No subject] - by Jim Dutridge - 11-29-2007, 05:43 PM

[No subject] - by Chuck Schwark - 11-29-2007, 07:51 PM

[No subject] - by Jim Dutridge - 11-30-2007, 02:52 PM

[No subject] - by Jim Dutridge - 12-01-2007, 12:25 PM

[No subject] - by Jim Dutridge - 12-06-2007, 04:36 PM

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