Does anyone know if there is an alignment procedure for a Majestic 90-B console?

Schematic here: http://www.nostalgiaair.org/Resources/018/M0040018.htm

What seems to be the problem with the radio?

This is a tuned-radio-freq (TRF) set. The only alignment is to make sure the tuning caps are synchronized with one another. But, even it they aren't synchronized, you should be able to pick up stations if everything else is OK.

Does your set work at all? If not, it's not an alignment issue - need to troubleshoot in a systematic manner. And, if it's not working, there's no way to synchronize the tuners until is is working.
Doug

:Does anyone know if there is an alignment procedure for a Majestic 90-B console?

:Schematic here: http://www.nostalgiaair.org/Resources/018/M0040018.htm
:
:What seems to be the problem with the radio?
:
:This is a tuned-radio-freq (TRF) set. The only alignment is to make sure the tuning caps are synchronized with one another. But, even it they aren't synchronized, you should be able to pick up stations if everything else is OK.
:
:Does your set work at all? If not, it's not an alignment issue - need to troubleshoot in a systematic manner. And, if it's not working, there's no way to synchronize the tuners until is is working.
:Doug
:
:
::Does anyone know if there is an alignment procedure for a Majestic 90-B console?

I don't agree . I have one and it only works on the upper portion of the band. I used an old tube type generator that puts out tons of signal, and can hear nothing below 1300 kc . We have two very strong stations here in town, one at 7690kc and one at 1250kc.
I have listened to both on crystal sets in the basement with nothing but about `10 ft of wire. I hear a station on 1500 that is 20 miles away and one at 1450 that is 15 miles away. The 2 stations at 790 and 1250 are within 12 miles.

Richard,
This is a TRF. My 90B only req'd touching up the trimmer caps across the large 5 gang tuning cap, after repairs. All other inductors are fixed tuned, with no adjustments. The antenna coil is adjustable from a front panel knob, to peak the input signal. Plays as well as any other TRF.

marv

:Does anyone know if there is an alignment procedure for a Majestic 90-B console?

I don't agree . I have one and it only works on the upper portion of the band. I used an old tube type generator that puts out tons of signal, and can hear nothing below 1300 kc . We have two very strong stations here in town, one at 7690kc and one at 1250kc.
I have listened to both on crystal sets in the basement with nothing but about `10 ft of wire. I hear a station on 1500 that is 20 miles away and one at 1450 that is 15 miles away. The 2 stations at 790 and 1250 are within 12 miles.

Hi

Majestic tuners have pot metal between plates. Over time pot metal expands and cracks. This can cause plates to short. Some are bad to the point a tuner is frozen.

Be sure plates don't touch. If plates have to be realigned signal strength may not be the same across the band.

Gary - I believe your Majestic tuner plates are shorting.

Norm

:I don't agree . I have one and it only works on the upper portion of the band. I used an old tube type generator that puts out tons of signal, and can hear nothing below 1300 kc . We have two very strong stations here in town, one at 7690kc and one at 1250kc.
: I have listened to both on crystal sets in the basement with nothing but about `10 ft of wire. I hear a station on 1500 that is 20 miles away and one at 1450 that is 15 miles away. The 2 stations at 790 and 1250 are within 12 miles.
:

I have this complete chassis if anyone wants parts..it weighs a ton will not ship whole thing
George

:Hi
:
: Majestic tuners have pot metal between plates. Over time pot metal expands and cracks. This can cause plates to short. Some are bad to the point a tuner is frozen.
:
: Be sure plates don't touch. If plates have to be realigned signal strength may not be the same across the band.
:
: Gary - I believe your Majestic tuner plates are shorting.
:
:Norm
:
:
:
::I don't agree . I have one and it only works on the upper portion of the band. I used an old tube type generator that puts out tons of signal, and can hear nothing below 1300 kc . We have two very strong stations here in town, one at 7690kc and one at 1250kc.
:: I have listened to both on crystal sets in the basement with nothing but about `10 ft of wire. I hear a station on 1500 that is 20 miles away and one at 1450 that is 15 miles away. The 2 stations at 790 and 1250 are within 12 miles.
::
:

Thanks for the info, guys. Jim Masse also sent me a great trf alignment article.
But Norm and Mauv were both right about the shorting plates. I found a lot of them shorting out. I still have one plate that I can't get completely straightened out, but I can go down down to 600kc now with no problem. This forum really helped !!! o>

Gary - I have a 90-B that works fine. It is in the garage, covered with a tarp, waiting for me to re-do the cabinet. Nice receiver.

Let me know if you want me to verify any aspect of the design. But, if you've fixed the clashing tuner plates, you're well on your way.

For some reason, my set had no problem with pot metal or clashing tuner plates. The speaker had an open voice coil, buy I found a replacement.

Doug,
Like yours, my 90B sits in the garage, covered with a big garbage bag, and lotsa dust and grime, awaiting a buyer or cabinet refinish. Sure there are several black widows inside, hiding somewhere awaiting her next lover/meal. Last time I took off the wraps, it didn't work. Maybe that twisted wire fix on the common cathode WW resistor in the finals corroded again. It's such a heavy beast, made a special cart with casters to move it around.

marv

:Gary - I have a 90-B that works fine. It is in the garage, covered with a tarp, waiting for me to re-do the cabinet. Nice receiver.
:
:Let me know if you want me to verify any aspect of the design. But, if you've fixed the clashing tuner plates, you're well on your way.
:
:For some reason, my set had no problem with pot metal or clashing tuner plates. The speaker had an open voice coil, buy I found a replacement.
: