Majestic-Radio-and-Telev-Corp-8S452 电路原理图.pdf

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1、收音机爱 好者资料库 RadioFans.CN MANUAL OF 1947 MOST-OFTEN-NEEDED RADIO DIAGRAMS . . Model s 88152, 8S173 CHASSIS 1810 ALIGNMENT Before aligning, close tuning condenser (plates fully meshed). Set pointer to center of extreme left hand mark on the dial. When aligning broadcast band, connect to output of the s

2、ignal generator a loop, about 12 inches in diameter, consisting of two or three turns of wire. Place this loop in a plane parallel to that of the receiver loop antenna and about a foot away from it. The receiver loop antenna should be in about the same position relative to the chassis as it is when

3、in stalled in the cabinet. While aligning, turn the volume control full on and keep the signal generator output as low as possible. Step Dummy Antenna Test Osci 11 ator Connection Test Osci11ator Frequency Receiver Bandswitch Receiver Dial Adjust for Maximum Notes 1 .01 mfd 6SA7 grid 455 kc B. C. Any quiet spot C18,C17 C14, C12 2 Loop - 1500 kc B.C. 150 C4, C7 3 Loop - 600 kc B.C. 60 C8 Note 1 4 400 ohms Receiver antenna post 17 me S.W. 17 C2, C5 Note 1 - Rock gang while making this adjustment. Then recheck step 2. TUBE LAYOUT 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN