Firestone-Tire-and-Rubber-Co-4-B-31 电路原理图.pdf

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1、MANUAL OF 19S0 MOST-OFTEN-NEEDED RADIO DIAGRAMS THE FIRESTONE TIRE & RUBBER CO. Stock No. 4-B-31 0) 0 O 5 o IS) .o o u O l. 0) E E c *o c o i 43 3 SI - Si m The bottom cover (the one with the speaker louvers) con Voltages token from I he different points of the circuit to be removed to permit servic

2、ing of major components, such )he chassis are measured wilh volume control in maximum as tubes and vibrator, by removing the eight (8) screws position, oil tubes in their sockets, no signal applied, and holding it to the top cover. There are three (3) screws on wjlh 0 vo|t meter having a resistance of 20,000 ohms per each side, one (1) in the rear, and one U) in the front. vo|t. These voltages are clearly shown on the voltage chart. 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