BF-Goodrich-92505 电路原理图.pdf

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1、MANUAL OF 1949 MOST-OFTEN-NEEDED RADIO DIAGRAMS THE B. F. GOODRICH CO. cJCjcl STL t Qi- JCL. 92505 Models g2506 VOLTAGE DATA Readings made between point indicated and Volume Control Lug (Point X on drawing). Measured on a 117 Volt A.C. line. Dial turned to low frequency end, no signal. Measured with

2、 Vacuum Tube voltmeter. A second voltage reading is shown made with a 1000 ohm-per-volt meter when use of this instrument would result in appreciably lower readings. REPLACEMENT PARTS RESISTORS Symbol Part No. Rl. 10,000 Ohms. y2 Watt.60B 8-103 R2. . 10 Megohms, y2 Watt.60B 8-106 R3. . 22,000 Ohms,

3、Vfe Watt.60B 8-223 R4. . 100 Ohms. Vfe Watt.60B 8-101 R5. . 1 Megohm, Vfe Watt.60B 8-105 R6. . y2 Megohm, Volume Control 6 Switch .75B 1-6 R7. . 4.7 Megohms, Yi Watt.60B 8-475 R8. . 270,000 Ohms, U Watt.60B 8-274 R9. . 470,000 Ohms, y2 Watt.60B 8-474 R10. 150 Ohms, Vz Watt.60B 8-151 Rll. 33 Ohms, 1

4、Watt.60B 28-3 R12. 1,000 Ohms, 1 Watt.60B 28-2 R13. 150,000 Ohms, 1/2 Watt.60B 8-154 CONDENSERS Symbol Part No. Cl. . 785 mmfd., 5%, Silver Mica. .65B 1-8 C2. . 250 mmfd., Mica.65B 7-22 C3. . .02 mid., 400 Volts, Paper. . . .64B 1-24 C4. . 50 mmfd. Mica.65B 7-11 C5a. 0 to 420 mmfd.) CQH )0 C5b. 0 to

5、 108 mmid. J Gang.68A 18 C6. .1 mfd., 200 Volts, Paper.64B 1-30 C7. . .05 mfd., 400 Volts, Paper_64B 1-22 C8. . 250 mmfd. Mica.65B 7-22 C9. . .01 mfd.,400 Volts, Paper.64B 1-25 CIO. 500 mmfd. Mica.65B 7-27 Cll. .01 mfd., 400 Volts, Paper_64B 1-25 C12. .02 mfd., 400 Volts, Paper_64B 1-24 Cl3a 50 mfd.

6、, 150 Volts 1 , CfI_ . Cl3b 30 mfd., 150 Volts) Elect.67A 10 C14. .18 mfd, 200 Volts, Paper_64A 2-2 C15. .05 mfd., 400 Volts, Paper_64B 1-22 COILS V6*VS OD.17A 1-3 Screw, Set; 8/32xVb (Dial Drum). . 1A 5-58 Shaft, Tuning .28A 1-1 Slug, R.F. Iron Core (with wire). . . .71B 1-2 Socket, Octal Tube.87A

7、10-2 Speaker (5 PM) and Transformer. .78B 4-4 Spring, Tension (Dial).19B 1%3 Spring, Lever Arm (RJF.).19A 4 Spacer, T (R.F.).29A 2-3-21 Stud. Slug Adj. (R.F.).27A 4 Washer, C (Tuning Shaft).4A 4-6 Washer, Spring (Tuning Shaft).4A 6-3-0 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