Emerson-Radio-and-Phonograph-Corp-531 电路原理图.pdf

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1、J IfI m n. 1C L yt5J + l_|iC 17 Cl, C2 900070 Two-gang variable condenser *C3, C4 Trimmers, part of variable condenser C5, C15 920170 0.001 mfd., 600 volt condenser *C6 Trimmer, part of antenna transformer C7, C12 910000 0.00022 mfd. mica condenser *C8, C9, Trimmers, part of i-f transformer CIO Cll

2、Trimmer and fixed condenser, part of second i-f transformer C13, C16, 920100 0.02 mfd., 200 volt condenser C19, C20 C14 910250 0.00005 mfd. mica condenser C17 910010 0.00011 mfd. mica condenser C18 920515 0.002 mfd., 400 volt condenser C21 920040 0.1 mfd., 200 volt condenser C22 925003 16 mfd., 150

3、volt electrolytic condenser PL1 585311 Battery plug and cable assembly, or PL1 585312 Battery plug and cable assembly Rl, R4 310730 10,000 ohms, J4 watt resistor R6 390180 R7 321450 R8, Rll 321330 R9 321210 R10 390280 R12 310770 R13 310410 SP1 180008 SW1 510401 SW1 510001 T1 710001 VIEW LOOKING 1PLI

4、 AT CABLE SIDE V / of plug. Tr 1.5 VOLTS 321130 470,000 ohms, *4 watt resistor 320970 100,000 ohms, *4 watt resistor 47,000 ohms, *4 watt resistor, part of second i-f transformer 390180 0.5 meg. volume control 321450 10 meg., *4 watt resistor 321330 3.3 meg., % watt resistor 321210 1 meg., J4 watt r

5、esistor 390280 0.4 meg. tone control 310770 15,000 ohms, *4 watt resistor 310410 470 ohms, watt resistor 180008 P.M. speaker 510401 Battery switch, or 510001 Battery switch 710001 Antenna transformer and trap The following voltage readings are d-c measurements from be used for all readings except those indicated by an asterisk All voltages are positive unless otherwise indicated. tube socket pin to chassis. A 1000 ohms-per-volt meter should (*), which should be taken with a d-c vacuum-tube voltmeter. 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