Radio Wire Television A-41 Schematic

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Product Information:
Model:A-41
Manufacturer:Radio Wire Television (Lafayette Radio)

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:

PAGE 18-6 RADIO WIRE
MDDELA 1 RAD O WIRE TELEVISION
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(C)Joh.n F. Rider

Page 2:

RADIO WIRE PAGE 18-7
QDIO WIRE TELEVIS ON EDEL A-41'
A1.IGNMEN'I' PROCEDURE
Do not attempt the following adjustments unless thoroughly familiar with the
alignment procedure of' modern superheterodyne circuits and in possession of all
necessary equipment.
To align the Model A-41
Short antenna to ground. Short oscillator section of' 3 gang tuning condenser
Connect a signal generator tuned to 175 K.C. thru a .OOO25 mfd. condenser to
grid of first detector tube. Signal generator and receiver grounds should be
connected together. Connect output meter to output of* amplifier tube. With
volume control at maximum, adjust signal generator attenuator for minimum vis-
ible deflection on output meter. Adjust I.F. trimmer condenser-s for maximum
deflection on output meter. When I.F. is aligned. TGIIIOVS Shorts f`1'0re Oscil-
lator condenser and antenna. Using same procedure as in aligning I.F.'s, now
connect signal generator tuned to 1400 K.C. to antenna lead. Adjust trimmer
condensers on three gang condenser for correct calibration and maximum output.
To align receiver on policy hand, tune three gang condenser to a 4000 K.{C.
signal from generator, and adjust police band trimmer till maximum sensitivit
'is noted on output meter. Band Switch is on "Police Band" position during this
t \ TRI?A%ER = Top
TRIMMERS A 41
Nil II |{_
3 - STATION
CONTROL
FRONT VIEW
1 D.c. VOLTAGES ro CHASSIS
TUBE FILAMENT CATHODE SCREEN GRID PLATE OSC. OSC. PLATE
SO 4.2 (Fil. to chassis)- 178 volts
(C)John F. Rider

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