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Philco "Aligning Adapter"
#1

I finished my 40-145 re-cap (and a the bad resistors), and it fires up good (isolated, slow up on the AC, no smoke, tubes good).  Still trouble shooting a few things, like the $%^&* push buttons.  Just very dirty, I think.  I know to use the manual "tune" button.

Question:  When I looked at the Rider alignment instructions, the RF alignment calls for an "Alignment Adapter". The unit is  Loctal tubes.  I happen to have a "Thru" Loctal adapter from - somewhere, no markings.  Anyone have any info on what the Philco "Alignment Adapter" hook-up is?  Mine has these, but I'm willing to modify it:
Black wire:  to pin 4 of the 1232/7G7 (RF) TUBE only, not thru to the receiver socket.
White Wire:  to pin 2 of the Receiver socket ONLY (not thru to the tube).  It's loose, so needs repair anyway.
Green wire:  to pin 2 of the TUBE only (not thru to the receiver).

White and green wires in series with an ammeter would be handy for measuring plate current on the 1232/7G7 (and many other Loctal tubes).
That makes no sense for the way it is called out on the alignment instructions.  BTW:  the black wire would be to the G3 (suppressor) of the tube (pentode).
The alignment instructions also call for it's use in on the 7C6 second detector for A.V.C. measurement.
I can probably noodle it out, but I'd rather not fry something (the 1232/7G7 is already low performing!).

Anyone got one of these little puppies? And can advise the pin outs.  Or recommend some?  (data attached)
.pdf usa_philco_40-145 LATE_sch1_1.pdf Size: 410.7 KB  Downloads: 153
.pdf Philco 40-145 late alignment.pdf Size: 754.47 KB  Downloads: 205


Messages In This Thread
Philco "Aligning Adapter" - by klemer - 07-01-2023, 02:30 PM
RE: Philco "Aligning Adapter" - by klemer - 07-01-2023, 08:02 PM
RE: Philco "Aligning Adapter" - by DaleHCook - 07-02-2023, 08:26 AM
RE: Philco "Aligning Adapter" - by klemer - 07-02-2023, 02:16 PM
RE: Philco "Aligning Adapter" - by RodB - 07-02-2023, 06:24 PM
RE: Philco "Aligning Adapter" - by DaleHCook - 07-02-2023, 08:37 PM
RE: Philco "Aligning Adapter" - by klemer - 07-02-2023, 09:44 PM
RE: Philco "Aligning Adapter" - by DaleHCook - 07-03-2023, 07:58 AM
RE: Philco "Aligning Adapter" - by Ron Ramirez - 07-03-2023, 04:25 PM
RE: Philco "Aligning Adapter" - by Ron Ramirez - 07-03-2023, 04:47 PM
RE: Philco "Aligning Adapter" - by jtiner - 07-04-2023, 09:17 AM
RE: Philco "Aligning Adapter" - by DaleHCook - 07-04-2023, 10:41 AM
RE: Philco "Aligning Adapter" - by klemer - 07-04-2023, 05:16 PM
RE: Philco "Aligning Adapter" - by klemer - 07-04-2023, 05:36 PM
RE: Philco "Aligning Adapter" - by DaleHCook - 07-05-2023, 09:18 AM



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