Stewart-Warner-Corp-A61CR3 电路原理图.pdf

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1、MANUAL OF 1948 MOST-OFTEN-NEEDED RADIO DIAGRAMS STEWART-WARNER MODELS *52 11 A61CR2 A61CR3 lOf 9034-E Jl A61CR4 9034-F ant. /g/eV osc. 400 KCWVa/1400 KC. TOP VIEW OF CHASSIS DIAL AND POINTER DRIVE CORD ARRANGEMENT SIDE VIEW (With dial plate removed) TRIMMER LOCATIONS ALTERNATE TYPES OF RADIO-PHONO m

2、ay serve as wiring junction point. Lettered terminals in illus trations correspond to simi larly lettered terminals on the circuit diagram DIA GRAM PART NO. NO. 13 502151 14-A, 6.505315 16 .502931 19 502153 20 502157 22 502152 25 502153 33 502931 36 502156 39 502152 41 502157 45 ;.502405 48 502150 4

3、9 502271 51 502410 53 502152 55-A, B, C. 502207 57 .502156 OSCILLATOR COIL 505326 _DESCRIPTION_ CONDENSERS Condenser.01 Mid. 400 volt. Condenservariable gang (with drum) Condensermica 100 Mmfd. 500 volt. Condenser.05 Mid. 200 volt. Condenser.05 Mid. 400 volt. Condenser.02 Mid. 400 volt. Condenser.05

4、 Mid. 200 volt. Condensermica 100 Mmid. 500 volt. Condenser.004 Mid. 400 volt. Condenser.02 Mid. 400 volt. Condenser.05 Mid. 400 volt. Condenser.25 Mid. 400 volt. Condenser.004 Mid. 600 volt. Condensermica 260 Mmid. 500 volt. Condenser.1 Mid. 400 volt. Condenser.02 Mid. 400 volt. Condenserelectrolyt

5、ic t A20 Mid. 400 volt ( B10 Mid. 400 volt I . C20 Mid. 25 volt J Condenser.004 Mid. 400 volt. RESISTORS Resistorcarbon 33,000 Ohms 1 watt . Resistorcarbon 47,000 Ohms Va watt . Resistorcarbon 2,200 Ohms 1/4 watt . Resistorcarbon 47,000 Ohms 1 watt . Resistorcarbon 6,800 Ohms Va watt . Resistorcarbo

6、n 3.3 Meg. Va watt . Resistorcarbon 47 Ohms Va watt . Resistorcarbon 47,000 Ohms Va watt . Volume Control 1 Meg. (with switch). Resistorcarbon 100.000 Ohms iwatt Resistorcarbon 68,000 Ohms Va watt Resistorcarbon 4.7 Meg. Va watt . Resistorcarbon 1,500 Ohms Va watt . Resistorcarbon 2.2 Meg. Va watt_

7、Resistorcarbon 220,000 Ohms Va watt. Resistorcarbon 220,000 Ohms Va watt. Resistorcarbon 470,000 Ohms Va watt. Resistorcarbon 3,300 Ohms 2 watt. Resistorwire wound 200 ohms 2 watt. 6SF7 1 r A_J KFf u A To string dial c6td iirst slip pointer oii its shait. Then remove dial scale by taking out the six

8、 clips around its edges. Dial plate may now be taken off by removing the two screws which are visible and accessible at front of chassis. Now set gang condenser to fully open position and use the following parts: 114955 Clip on end of cord 117057 Cord (3 feet) 119087 Ring for dial cord 505161 Tensio

9、n spring SOCKET VOLTAGES Measured with voltmeter having sensitivity of 1000 ohms per volt except where indicated by (*). The (*) symbol designates a vacuum tube voltmeter measurement. DIAL TUNED TO 540 KC. VOLUME ON FULL WITH NO SIGNAL RADIO-PHONO & TONE SWITCH IN _RADIO-BASS POSITION_ BOTTOM VIEW O

10、F CHASSIS 6J5GT osc. -3.3 85JK1 lit A.F. *95 Npjjj/ .5 tc -#?ra5 0 20 6.3 23 *60 A.C. 80 0.6 *85 6SF7 I.F.-2N DET.-A.V.C. All VOLTAfiES MEAS8RED RETWEEN SOCKET TERMINALS AND CHASSIS. 117 VOLT SO CYCLE A.C. POWER SfPPLY SSED FOR THESE MEASUREMENTS. 5Y3GT RECTIFIER 310 REAR OF CHASSIS 6V60T MTMf I. F. 455 KC. i55A 55B1 SSCi 5Y3GT RECTIFIER 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN