Galvin-Mfg-Co（Motorola）-401 电路原理图.pdf

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1、Galvin Mfg. Co. Model: 401 Power: Chassis: Circuit: Year: Pre April 1941 IF: Tubes: Bands: Resources Beitmans 1941 83 Beitmans 1941 84 Beitmans 1951 78 Riders 12 (XII) MOTOROLA 12-62 Riders 12 (XII) MOTOROLA 12-65 收音机爱 好者资料库 RadioFans.CN MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS |7ltj t- 2 lull )

2、 O ajw 50 i (6) l _ _ iNODHOA 9 3H o-r-HH i NMil _ O iiiiiSllffllllllSs|ii giiii illiilllillliliillilri* iiiei d* o K r 5 3 d w d “ -*i*l*i 5 *. R R :i5!p3Sf il-lllillilllsi; ?sS2 SSSSs SSSS S|S5fSp|l|?sgs * - ., J t- t* o - J u; t; 2 g 5 Sj S d s a R S * COMPILED BY M. N. BEITMAN, SUPREME PUBLICATI

3、ONS 收音机爱 好者资料库 RadioFans.CN MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS SENSITIVITY AND STAGE GAIN MEASUREMENTS Average Microvolt Input * 2,800 420 510 8 2 Generator Set At 262 K.C. 262 K.C. 600 K.C. 600 K.C. 600 K.C. Generator Feeder Connected To I.F. Grid Mod. Grid Mod. Grid R.F. Grid Ant. Lead D

4、ummy Antenna Capacity .1 Mfg. .1 Mfg. .1 Mfd. .1 Mfd. * Leak Resistance .5 Meg. .5 Meg. .5 Meg. .5 Meg. None Output Meter Reading * Volume Control Set At Maximum * i Watt = 1.74 Volts Tone Control Set At Voice * Output meter connected across voice coil. * Use Special Dummy Part No. 1X26767 or Booste

5、r Coil Part No. 24A26751 in series with a 35 Mmf. Condenser. Operations In Order Gang Condenser Set At Minimum 1600 K.C. 600 K.C. 1400 K.C. 1400 K.C. 600 K.C. ALIGNMENT CHART Dummy Generator Antenna Connected To .1 Mfd. Osc.-Mod. Grid .1 Mfd. Osc.-Mod. Grid .1 Mfd. Osc.-Mod. Grid * To Special Dummy

6、* To Special Dummy * To Special Dummy Adjust Trimmers No. 1-2-3-4 5 6 7 8 9 Generator Set At 262 K.C. 1600 K.C. 600 K.C. 1400 K.C. 1400 K.C. 600 K.C. * Use Special Dummy Part No. 1X26767 or Booster Coil Part No. 24A26751 in series with.a 35 Mmf, Condenser. _ , f CG H SG CG H DL H P SH H SU OG K _. /

7、sG/tsSZTxi sgSzSk _VOLTAGE CHART _, TIIBF PLATE IsCREENl CATH . TO GND TO GNO TO GND 6SD7GT Rf.AMP 190 V. 125 V. 3 V- 6SA7GT OSG-MOD 190 V. 60 V. 3 V. 6SK7GT I.F.AMP 19 5 V. 60 V. 2.75 V. 6(?7GT avVa.f 130 v 6 5V 6K6 G T PWR.AMF 220 V 195 V. 0 6K6GT PWRAMP 220 V. 195 V. 0 6X5GT RECT. A.C. - 225 V. A

8、LL VOLTAGES MEASURED WITH IOOD OHM PER VOLT VDLTMETER Galvin ?ifg. Corp. 4545 Augusia Blvd. Chicago, Illinois P10T0R0LA NC H NC 6K6GT 6K6GT PWR AMP PWR AMP. H NC H SH 6K6GT 6Q7GT 6SK7GT 6SA7GT I F. OSC MOD 6 S D 7 G T R F OI 30) Vo J BOTTOM VIEW OF CHASSIS PWR. TRANS., ANT. PAD.(3 600 KC ANT.TRI Myg

9、. 1400 KC OSC.TRIM., 1600 KC |-1 -GREEN - BLACK - RED - YELLOW - WHITE Plodel 401 OUTPUT TRANS. cm 262 KC 4 g) R.FTRIM, n OSC.PAD.(400 1 a5?7 INPUT CHOKE COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN 9389 000000000 MANUAL OF 1951 MOST-OFTEN-NEEDED RADIO DIAGRAMS Models 401 and 451 Model 401 uses a self- contained speaker and its circuit is exactly as shown on this page. Model 451 employs an external speaker, but is the same as the 401 in all other respects. zjf o S y 2 * S3 5 * gu of oi* CD U3 Li_