Western Auto Supply Co. D1046A Schematic

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Product Information:
Model:D1046A
Manufacturer:Western Auto Supply Co. (Truetone)

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:

BAE 21-6 WESTERN AUTO SUPPLY

CHECK YOUR LINE VOLTAGE

Unless otherwise marked this radio must be oper-
ated on a supply of 105-125 volts AC, 60 cycles
only. Do not connect the radio to a wall outlet unless

certain that the power supply is correct for the re-
ceiver. If in doubt, telephone your local power com-
pany before inserting the plug. R'adios of this model
which are to be used on other power supplies are
marked accordingly.

FM BAND

88 - 108 MEGACYCLES _
This band is calibrated in mega-
cycles and covers the newly allo-
cated frequency modulation band -
of 88-108 megacycles. Reception
in this band is usually limited to
"line of sight" distances between
the transmitting and receiving
antennas. This is normally up to
about 30 miles with approxi-
mately 45 miles being the ex-

TONE CONTROL

Use this knob to adjust the tone
of the receiver. When turned clock-
wise the high notes will predomi-
nate and When turned counter-
clockwise a deep bass effect will

ON-OFF SWITCH AND
VOLUME CONTROL

The On-Off switch and Volume control are oper-
ated by the same knob. To turn the radio on, turn
the knob clockwise until a click is heard. Allow
approximately 30 seconds for the tubes to heat.
Then continue to turn the knob clockwise to in-
crease the volume.

C-2 LooP ANT

TRIMMER

Loop
ANTENNA

BROADCAST BAND

This band is calibrated in chan-
; nel numbers. To obtain the kilo-
cycle number add a zero to the
number on the dial scale.

T BAND AND PHONO
'__- RADIO SWITCH

This control has three posi-
tions, FM` Broadcast and Phono.
ln the Phono position, the elec-
trical circuits are connected for
the reproduction of records
played on the' Automatic Record

TUNING KNOB

Use this control to tune in the desired station. Turn
the knob until the station is heard. Then slowly rotate
it back and forth until the signal is clearest and
strongest. If signal is too strong, reduce it by means
of the volume control, not by using the tuning knob.

(C)John F. Rider

Page 2:

WESTERN AUTO SUPPLY PAGE 21-7

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Rider

Page 3:

PAGE 21-8 E TERN A T0 SUPPLY
MODEL Dloltoii

FM STAGES

Zero center scala DC vacuum tube valtmeter having a range of
approximately 3 volts.

(If a zero center scale meter.is nat available, a standard scale
vacuum tube valtmeler may he used by reversing the meter connec~
tions far negative readings).

Allaw aliassis ana signal genafaiai ia "Hear up'" iai several ininuies.

in. Fallawing is required far aligning:

An asiuraiely saliaraisd signal genaiaiai araviaing unmauu-
laiaa signals ai ina iasi fraauanaias lisiau balaw.

Dummy Antennas and I-F Loading Resistor-2500 mmf, 300 ohms

SIGNAL GENERATOR
coNNscr THROUGH BAND GANG
FREQUENCY astliAroii DUMMV swlicli coNDENssn ADlusr Anlusi
?E11|NG Qurpur 10 ANTENNA SEWING SETTING FOR
Dlsulminater 10.7 MC 55A6 2nd |.F 2500 mini FM Rotor Fully Disc4 Pri. (5) Maximum
Pin l and chassis _ open Naiu A Defiant,"
10.7 Mc aDAa 1nd if 2500 mmf FM iiaiar Fully Disa. sec. <6)
Pin I and Chassis Opsn Nate B
l-F 10.7 MC asAo isl l`-F 250? mmf FM Rom Fully 2nd l-F Pri. (7) Maximum
Note C Pin 1 and chassis Open sea. (a) Nara D Danaalian
Discriminator 10.7 MC ?BA? 'Ist I-F 2500 mmf FM Rotor Fully Disc. Pri.Y (5) Maximum
Pin 1 and chassis open Nate D Dafiaaiian
l-F 10.7 MC .lunaiian C-:izA A B 2500 mmf FM Rowr Fully ht l-F Pri. (9) Maximum
(Dual 100 nnnf aand.> open a Sas. (10) Daflaaiian
And :hassis 2nd l-F Pri. (7)
ln order shawn
f Nara D v
10.7 Mc same as abave 2500 mini FM Raiar Fully Disc. sae. (a) Maximum
open Nara a Daflaaiian
RECHECK l-F ADJUSTMENTS iN oRDER GIVEN
osaillaiar 108.5 Disaannesi diaale anienna :loo alnns FM liaiar Fully ose. cas Maximum
and connect generator to di- Open Defledion
pole terminals with resistor
Antenna 104.5 same as above 300 anms FM Tune raiar la' Ani. 039 Maximum

RECHECK ANTENNA Bi OSC. ADJUSTMENTS IN ORDER GIVEN

FM ALIGNMENT NOTES
NOTE A-The zero center scale DC vacuum lube valiineter is ia be
sonneaied between chassis greund and the AVC line.
A signal at .l vall must he led inia the reeeiver far
this aaiusnneni.
Note output voltage on the zero :enter DC vc

Page 4:

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SUPPLY PAGE 21-9`

Page 5:

PAGE 21-10 WESTERN AUTO SUPPLY

(C)John F, Rider

NOTICE: There is c model number [che] on 'he chassis. This lube] RESISTORS
idenrifies 'he reaie es fe ehessis, dial end issue lerler. when erderine
eerls er wriling, give ALL 1nlerrne1ien en 'his lebel. R] 585470 40;"'5 "at" C b
10x75] Knob 11-12 504652 5500 0.5 carbon..
13x546 Line cera 5 Plug Assembly . :$32
24-325 5ena chenee swiveh ........ Rim 555473 47K 0.5 cerben..
311303 Melded oerel Tube seeker Ry 535222 2200 05 Carbs"
"426 Tube Socke' (Mm'm'e) R-ll 43x235 3,6 0.5 wireweund...
3A443 Tube Socket (?BE?) .. |544)
3Aso4 Phene Meier seeker .. R465 585104 100 K 0-5 Carbon. . . .__.
3A427 Tube seeker <12A17> ...... 0.15 005223 22 l< 0.5 cerben_.
CAPACITORS R.26]
c-1 14A209 Gene condenser Assembly _. ...... Rm was] '5 meg Volume Comm'
C-'7 TRANSFORMERS AND Coll-S I
C'?} Pen bf 1-2 (1s1 l-F Trans. FM) L-s 35A9 |nsule1ed cheke
5.3 Pen ef T3 (151 I-F Truns- AM) 1-1 9A1972 "5" Range Leep Anlenne .
01655 47mm 505? '"mf DWI M'??"" T-7 9212065 oseillerer cell (AM)
c-111 Pen-1 ef 1.6 (Discrimineler 1rens.) 1.5 9A2o67 oseillever cell (PM) .......
035 I 47X468 220 mmf Ce'?""?-- 1-11 53x291 Fewer Trensfermer
c-zl 45x361 5 rnl 1oov Dry Eleevrelyvie T42 9A2066 An'emw CD" (FM) -~
212;); "XS" 2~2 mmf fefnml=~ DIAL AND DRlvE ASSEMBLY
(2-23 A7X556 30 mmf Ceramic.. gifs! Glass --
GRM 2? ""f 20V - . 251013 Dr'rve cerd Tensien spring
c-so 47x470 330 mmf Meirlerl Mica.. 26x510 Drive sheff
c5354; 76m 100 mmf Ducmmmku TYPE 6.1. - 28A168 REcoRD cHANGER PARTS
034 D66502 005 mf 400V T"b"'?' 6.1. 25A755782 idler wheel Assembly
c-sa 066203 .02 mf 400v Tubular.. *Needle Regular
c-41 _ *when erdering needles, specify een number end lelier siemeee en

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