Emerson-Radio-and-Phonograph-Corp-G-1705 电路原理图.pdf

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1、VOLUME R-22, MOST-OFTEN-NEEDED 1962 RADIO SERVICING INFORMATION Emerson MODEL G-1704 MODEL: G-1705 MODEL: G-1706 CHASSIS: 120580 CHASSIS: 120581 CHASSIS: 120583 The models described in this Service Note are AC oper ated superheterodyne clock-radios designed for reception of programs in the AM broadc

2、ast band. They are electri cally very similar; differing only in use of a tone control circuit (not used In model G-1704), automatically control led appliance outlet (model G-1706 only) and the use of various clock-timer mechanisms. To remove defective components one of several methods may be used.

3、A recommended method is to cut close to the body of the defective component and solder the new part to the re maining leads. Another method is to apply heat at the (unction point of the component wire lead and the printed board ond lift out the component, If the wire lead is bent over, first heat an

4、d pry lead wire up. A defective component with many terminals may be removed by clipping into several parts and removing a small section at a time. 12AV6 T 2 2*0. | f 455 KC (T0P8BDTJ 022 400V R-7 1300 06 .047 00 v. .047 400 V -VAr, 35 W4 RECT /isov. C-58 sOMF* 18V -f- CONV&RT. i top bbot INTERLOCK ETCHED PRINTED CIRCUIT CHASSIS (BOTTOM VIEW) TUBE LOCATIONS AND ALIGNMENT POINTS TUNNG ALTERNATE CONTROLS USED WITH Chassis No 1205B1, 12 0 5 B 3 20 收音机爱 好者资料库 RadioFans.CN