Firestone Tire & Rubber Co. S7427-7 Schematic

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Product Information:
Model:S7427-7
Manufacturer:Firestone Tire & Rubber Co. (Air Chief)

Schematics Content:

Please note: this content is a computer-generated interpretation of the above schematic and is provided only to help assist you in locating this schematic. For the actual text, please consult the schematic above. Thank you.

Page 1:

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(C)John F. Rider, Publisher

Page 2:

PAGE 13-48 FIRESTONE

MODEL 37427-7
FIRESTONE TIRE & RUBBER CO.

ALIGNMENT EQUIPMENT & PROCEDUR?

Pm Aleml'l': An output meter and sn accurately calibrated signsl generator with s tuning range from 455 KC to 1500 Kc' are re-

l. Connect the output meter across the voice coil or between the plete of the BFG-G output tube ans ground, depending on the
type oi' meter. (The more sensitive type should be connected across the voice coil).

2. Connect the ground lend or the signal generator to the "G" terminal or the chassis.

3. Turn the volume control to the mximm volume position ans keep it in this position throughout the entire aligm?nt proce-

4. Remove the connector from between tne 'A' and 'x' torminsls on the antenna strip.

mm m. common-1m or SIGNAL mmm
m mms sm. ummm GENERATOR DIAL 'mmm
my Pom and I F
wins ' ~ imus'r ron mxmm ou'i'Pu'r
commas .cms cum. AFFECT .m lst I F
SIGNAL 3 _ 4 ' '
zoo m. 3:112ng HAVE mus'r ron hmmm oil-rm
nm 'A' 'mmmt 455 Kc mrs nor 5 mp gigs; s'mons cmn'ros
TUNE To simmer
hIcA 'A' TERMINAL isoo rc 7 sum) PUT.
oounmsss SIGNAL

FOR OTHER DATA SEE
FIRESTOM PAGE 11-59

HOW T0 SET UP AND USE THE PUSH BUTTON TUNER

To set up the push buttons, proceed as follows:

Tum an the Sat and 811W it to' operate for at least one-qml'te'r html' baron ettelptlng t0 Bet ul! the DUSb butthns.
Bs sure that the set is connected t0 an antenna system before starting.

2. Select the five stations to which the buttons an to be set. Be sum to select nearby, ponerhxl stations, since
'bleak signals will generally give better results nhsn tuned in manually? A" button nay he set to any desired sta-

3. Grasp the tuning knob and push it in (the movement is slight, about l/B inch) so that the drive pinion engages the
condenser drive gear and the set may be tuned manually. f

L. Tune in the station to which you wish to set the rticulnrtutton. m sure to tune in the station correctly by
TUNING T0 TI'E POD" WHEPE THE PROGRAH IS HEARD HI LEAST KISS UR DISNRTIW.

5. urssp the yush button being set up, and turn it to the left (counter-clockwise) about one whole turn.

5. Push this button all the my inl and then release it. Noll turn it to the right (clockwise) until reasonably tight.
This completes the set-up operation.

7. Set up the remaining (our buttons in u similar manner.

B. Label each button with the cell letters ot the stations you have selected, using the call letter tabs pecloed with
your receiver. Este the call letter tab in the recess above the push button.

9>> T0 "Bs you!" Push Dutton tuner, push ln the butt" labelled with the 0811 letters of the desired Btltldn. Be Sure
to push the button sll the nay in.

(C)J?nn F. Rider

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