Emerson-Radio-and-Phonograph-Corp-120207B 电路原理图.pdf

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1、MANUAL OF 19S4 MOST-OFTEN-NEEDED RADIO DIAGRAMS EMERSON RADIO A PHONOGRAPH v-. MODEL - 789B CHASSIS - 120207-B 50C5 o o I2AT6 o 35W4 I SYMBOL TUBE PIN 1 PIN 2 V-I 12AT6 10 MEG 0 V-2 50C5 150 470 V-3 35W4 2 MEG t 2 MEG t RESISTANCE READINGS FOR CHASSIS 120207-B PIN 3 I PIN 4 | PIN 5 Resistance measur

2、ed to Pin 7 of rectifier 35W4 (B+). t Measured with VTVM Rxl0,000 when using other meters allow reading to settle (1 min.) Emerson Radio and Phonograph * Models 806 and 807 RESISTANCE READINGS SYMBOL V-l Taken with respect to positive terminal of Selenium Rectifier. R-l R-2 J “AI si 1 MEG. VOLUME 33K v. CONTROL C-l II .1 MFD. OR Z MFD. 120 v. 18.2 V. I+ V-2 C SELENIUM V- RECTIFIER II7V. AC ONLY (60 C PS.) B NEUTRAL 收音机爱 好者资料库 RadioFans.CN