Western Auto Supply Co. 1845B Schematic

Get a print!
Price: $8.00
In stock
Product Information:
Model:1845B
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:

ERN AUTO SUPPLY C.

Mode

(C)John F. Rider

Page 2:

WESTERN AUTO PAGE 18-23

WESTERN AUTO sUPPLY co.

fall woz

Page 3:

GE 18-24 WESTERN AUTO

the SSA? tube.

Ref . No .

(C)John F. Rider

WESTERN AUTO-sUPPL's? co.

SUPPLEMENTARY SERVICE DATA

Part No.

TRUETONE MODEL D1845B

10 ohm

A resistor has been added to the circuit to eliminate parasitics in

Description
carbon

The addition is shown in the partial schematic below:

Page 4:

W ER AUTO PAGE 18-2=
WESTERN AUTO SUPPLY CO. MODELS D1845A; D1845B
ALIGNMENT PROCEDURE "a H
vnlnm. cnnnnl-Mnximnln All Adinnmnnn. 1An. Ilililllewwing gqvimlnn?n it rnqnlre: 'for aligning:d 'u'amai mfr limit .
Allow'A Chanu and _Signal Glnnrninr to "that Output lndilsutlyrig Mu'er-NDwMetollit Screwdriver. Cb IWKC
un 1." "mul nnnnm. Dummy Anlnnn'mfn mf., 50 mmf., and 400 nnms. mom
FREQUENCY CONNECTION DUMMY SWITCH CONDENSER ADIUST TRIMMERS TO
SETTING AT RADIO ANTENNA SETTING SETTING MAXVMUM ?fc z 62021.05?
LF. 455 KC 6$A7 Pm B .l mf. B Ran/we Tum Rotor to Full Open 2nd I F. YCZO) A. (CU)
RANGE lSTIf.
B '620 KC Ant-nun Lend 50 mmf4 B Kang' Tum Rotor 'c Full Open chillctor Rang!! B C-IS l C'IS
AOD KC Antenna Lead 50 mmf, B Range Tune Rotor Io Max. Ouipu! Ant. Range B (C3) (cd Loop M"- 'RIwER |
000 Kc Anlnnnn lnnd so mmf, a Rang. rnnn nan-'1? Manonvnnv 5500 lac (cg) ==$======n
RANGE NOTE Bfvan rotor End( and for'h and
n 18.3 Mc Anlnnnn had 400 ohm Dunnge 10m 11mm 1? Pulloan onlllnwr Range 01cm; Sfmt* 'hi *Erma """' Pm* ?f Umm"
10 Mc Ana.an had wo ohm n Rang. Tuna 11?va 1? Max. onlpnl Am. knange 0 (cm Y
nan amor-see Nun, a 1
s 1400 Kc Anlnnnn L-nd so mmf. nanny. lun. 11mm Manonfpvl Ani. Range n (cal Ro GAB A _
s" Nm A Before removing the chassis from
MI ELLA E Us the cabinet it_ will he necessary to
SC N o TRANSFORMERS AND COILS detach the dm] pointer from 'ge
dial strin . T0 do this, s read t e
mln a" PM. spent" "1917 "n" Runga Anlnnnn call Assembly Labs on tghe pointer andppuu the.
Jun; vnbn sean-odd (a prong) Mnnlded 9921314 lsvdllf coil| Qttemhv. dial string 06 the pointer
Pho n Mann sane' .. ,. v 15 n .r col ,semby . _ _ ' _
Pho'rzo socke'isingle Pi" "P 26M" .,B., Runge Loop Amen" The dxarl lamp socket. `assemblies
'DAMN Knob mmm) _ _ _ 9A1918 olclllnlnr coil humbly may be disengaged .rqm the ca x>>
xml. (owen vnlnmel saxm vows, mmfnnn., net mvuqtmg by squeezmg together
'UMW Knob (sw-Bc) 5111134 oulpnl T'nnnls'm., and pnlhng away from the cabinet
13261;; Knob(1?m__l;') mgurllthngl; thie lspi-ing bracket t0
6 wic te ia amp socet is
nan :mdcifgngadsgllsfgh#Mmm DIAL AND DRIVE ASSEMBLY mounted. Take care not to bend or
mms Nu, 750 Phonorcunwln Cablnu v 6X2] Hubba momma' I _ 'xmage th' mage drive lmueyfm
CAPACITORS 20m" Cuni cumin" sm, [mncnngcendnnm this gang con enser while doing
mlm Pulley 11mm 1mm When repncin n n ' '
2'.; 2_2? m; ax; zsxuvo Pulley amen. new the cgbmet in yvlll be necessary to
c-oA,c-?u14A11u Gang candnnm will. 26X485 nn" shun , tune 1n a station of a lgnown fre-
?9251051 605000543? mf oov l9x197 "c" wnnnev . quency and move the A11ml pointer
j _ _ "' 25)('491 Penn" smite' v until that frequency is indicated
Eibcc`is :12113; 105 Jim; mov 1 b 1511229 P on the dial d th tt h t1
~ , - . m v oinlaf all GTI 8,516 le
C-'S '7X 69mm' MW'ded 10x65 mm cord Ammm pointer to the dial string. Take
CM gerzsfnuoans Coillaazmbl'llfbnlm v 28mg ww Cowl ka," sp ,,g care not to scutf or put the (tial
C_wfcaa 4;;(423 '47 mln( 5 nodded __ __ 30X517 Dial Clamp , .strmlz 01' bend the pointer during
6-10V c-11 Pnn ni 1-:1 (1nd IJ coil Anemslyl "715 Ewnnmn, nnn lalgln; lhls Operation,
'21%,' }47x112 50-50 mmf 01ml Maw .. 4x916 Em'd'ww lm' (WU
m7 mms, _m mf wav Tuma, moo mov 11910 sack" Ammbly
c-az 47x407 470 mmf Mana-a Dm POWER `
RESISTORS
325;? Rin' 535531.52 31% DRIVE com: kwLAcmsN-r gggmlsfimjsgawwm
585473 n_a A7 Kilim MW The drive cord should be replaced
584153 11.9 15Knhm? vol.5w as shown on the accompanying ll-
;ggig: :IW 12%,; lustration using a new IOXSG drive TUNING
"Aim Mg "Kohn" O_sw cord assembly for the lpurpose?
"4223 n-u szKenm; oc.5w After the cord has been installed, y r
2151;? m? 2'7%'???nz ms "MLSVJ Cuban _ _ __ stretch the tension spring and fast- J' WV:
"5100 mo m :'th 0,5 w Carbon en the free end of the cord to it.
Power Consumption Speaker..H . 8" PM Dynamic
(at 117 Volts AC) . ..45 Watts (normal)
70 Watts (phono Intermediate Frequency... n.455 KC
Power Output..mn 4 Watts, Maximum S "my ' ""40 Bmgfi a' 11000
Harmonies __ . -
T _ F R Sensitivity (For 0.5 Watt Output, with External
B Range .. 540-1600 Kilocycles B Range, . 9 Microvolts Average
D Runge 5,75-183 Megccycles D Runge . V20 Microvolts Average

(C)John F. Rider

Please note: we carry a wide range of products which will fulfill the specifications above. Please use our search function or browse our products to find what you need!