General Electric Co. 113 Schematic

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Product Information:
Model:113
Manufacturer:General Electric Co. (Old RCA)

Schematics Content:

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Page 1:

GE PAGE 18 17
GENERAL ELECTRIC Co. _ " `Tv1'E>DEL 113
2 _ .?-_ _ ____ can ? E
(C)John F. Rider

Page 2:

MODEL 113 GENERAL ELECTRIC CO.
SPECIFICATIONS
Height ,....,.... _ ,,_,, 6 in.
Width _ _ _ _9},( in.
Depth _...... ._,, 4 % in.
Frequency on AC _..., _ ____. _ _ 40>>60 cps T T B' Db' ,~
Wattage (at ll7 volts)_ _ _ _ 28 watts OU PU B TTZNS 5"/JNV
OPERATING FREQUENCIES: ZND 'F ANT C
lroadtalf Band ___,.,__ ,540-1725 kc 'Y' 7' ' C ' .
Intermediate Froquen:y_ ___. .._,,,_ _ _ .455 kc TQQNS ~
Lounsrnxna ._...........__._._... -'Auwco v" MAGNET nvNAmc i _ OSC |: CH
Outside Cone Diameter ____.. _ _ ,,_,______ _ _ _ 4 in. GIOB
Voice Coil Impedance (400 cycles). _ _ __._ 3_5 ohms
TUBES COMPLEMENT: ,_ _
I-F Amplifier ...,, _ _ _ ,,._ 12SK7
Detector, AVC Audio ____ _____. 1 ZSQ7
lI;';';Egg"tP"'> > ---- - ~ Fig. 1. Tube md Trimmnr Location
GENERAL INFORMATION
Model 113 is a Eve-tube (including rectifier) AC-DC super~
heterodyne broadcast receiver in a distinctly styled cabinet. This
receiver incorporates automatic volume control, attached an-
tenna, permanent magnet "Alnico V" speaker, and beam power
ALIGNMENT PROCEDURE
ALIGNMENT FREQUENCIES:
R-F _,___,_,,___________________... 1725 kc and 1500 kc
The location of all trimmers is shown in Figure 1.
Connect an output meter across the voice coil, Turn the vol-
ume control to maximum, Set test oscillator to 455 kc and keep
the oscillator output as low as a readable meter reading will
permit Apply signal to the converter grid through a .05 mfd
capacitor and align progressively the trimmers in the 2nd and lst
i-f transformer cans.
Apply the r-f alignment signals through a standard IRE dummy
antenna tolC9_ With the gang condenser wide open, align the
Of flmmel' ( 1) to 1725 kc. Change the generator signal
to 1500 kc, tune the receiver to the signal, and peak antenna
trimmer (C9) for maximum output.
If the signal generator is a-c operated, use an isolating trans
former between the 1
power supp y and the radio receiver power
input. The use of an isolating capacitor is not recommended as
a-c through the capacitor will introduce hum modulation and/or
create the possibility ofa burned-out signal generator attenuator
-REPLACEMENT PARTS LIST
cn. No. Symbol Description cn. Np. Symbol ` Description
UNIVERSAL REPLACEMENT uns SPECIALIZED REPLACEMENT PARTS
Ucc-ozs cs CAPACITOR-.005 mt, poo v_, paper RCW-2032 CAPACITOR-330 mmf., mm
ucc-oao cs cAPAcxroR~_o1 mf., ooo v_, paper 'Rox-ons KNOB-vpnrme rprizrp1,
ucc-psi ca CAPACITOR--,OZ mr, poo v., paper RDK-041 xNos~-rrmrrrg knob with get screw _
UCC-635 C1,l2, IB CAPACITOR-~,05 mf, 400 v , paper RDK-144 KNOB -Tuning knob (Mahogany) for plain
Ucu-oao CAPACITOR-220 mmf., mica shaft
ucv-ioao* cv CAPACITOR-120 ram., maps R]S~003 socxmv-rubs socket (octal)
HOP-487 SPKR SPEAKER-4>>inch PM speaker Ris-coz socxm-"rubs socket
URD-ooo Rl RESISTORf zz ohms, yg w., carbon RWL>>009 POWER co_Ro
URD-U29 R3 RESISTOR- 150 ohms, H W., carbon SAB-D01 BACK-Cabinet back
URD~O8l R9 RESISTOR- zz,ooo pimp, if w _ ?r.pprr _ SAU-ozz CABINET- Plastic _
URD-105 RS RESISTOR-220,000 ohms, PQ W., carbon SCE-009 CAPACITOR-40 X_40 mf., electrolytic
URD-113 R4 RESISTORf470,000 ohms, if w., carbon scraoos A. B CA12AClTQR~ Tuning capacitor rirrruried
URD-129 R8 RESISTOR- 2_2 meg, ig w., mba.. with rpm shaft)
URD-iav me Rzsxsrox 4,7 msg., yi w., carbon SDK-005** KNOB --Tuning knob, for irrrpriee shaft
URF>>0S3 R2 RESISTOR-1500 ohms, 2 w., carbon SDK-007 KNOB-'Knob for volume control
SLC-ozu COIL>>Osci1lator coil
su.-coz LOOP'-'Loop antenna
STL>>007 x-F TRANSFORMER-ls! r-f transformer
su-cos I-F TRANSFORMER -2nd i_f rripsfprmer
s-ro_oo4 OUTPUT TRANSFORMER
* 'rp be used vim sn.-ons. "To be used with scr_oos_
(C)John F. Rider

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