United-Motors-Service-Delco-R-1188 电路原理图.pdf

收音机爱 好者资料库 RadioFans.CN MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS SERVICE INSTRUCTSONS-DELCO MODEL R-1186 AND R-1188 COMBINATION. RADIO AND PHONOGRAPH ADJUSTMENTS FOR PUSH-BUTTON TUNING: The push Duttons should he adjusted after the receiver has been operating for a brief v/arm-up period. Each button may be set up to any standard broadcast station. The preferable arrangement is to adjust for stations in the order of frequency, from low to high. Proceed as follows: 1. Press down on the first push button and hold it down. The screw in back of the push button is now accessible and should be loosened one or two turns with a screwdriver. 2. While still holding down the push button, tune in the first station with the tuning knob, by Dial Tuning. When the station is heard at its best, tighten up the screw in back of the push button. Now let go of the push button, turn the tuning knob in order to detune ana again press down the button and let go. To check repeat action. 3. Proceed to set up the other five push buttons in a similar manner. BOTTOM VIEW OF CHASSIS VOLTAGE MEASURED WITH IOOO OHM PER VOLT VOLTMETER BETWEEN SOCKET TERMINALS AND CHASSIS A.C. LINE VOLTAGE 117 VOLTS POWER CONSUMPTION HO WATTS a CANNOT BE MEASURED WITH VOLTMETER 5Y3G GKGGT GKGGT GT G5F5 GSK7 REAR OF CHASSIS COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 收音机爱 好者资料库 RadioFans.CN