RCA-Victor-Co-Inc-6-EMP-2A 电路原理图.pdf

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1、VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION rca Victor 6-emp-ia, 6-emmb Chassis No. RS-152 RCA Victor Models 6-EY-3A, 6-EY-3B, Chassis RS-152A, are similar. A. F. AMPLIFIER 6AT6 V2 OUTPUT 25L6-GT ON VOLUME - SUPPLY CONTROL COMMON 6N0. ISOLATED FROM CHASSIS ALL RESISTANCE VALUES I

2、N OHMS. K-1000 ALL CAPACITANCE VALUES LESS THAN 1 IN MF AND A80VE I IN MMF UNLESS OTHERWISE NOTED. NOTE-DO NOT USE TERMINAL *1 OF 25LG-GT AS A WIRING T| POINT- OPERATION Remove metal Needle Guard from the Tone Arm. Turn POWER-VOLUME knob clockwise about one-half turn. Allow brief warm-up. Move SPEED

3、 CONTROL lever to 33/ 45, or 78 posi tion for correct Turntable Speed. Place record over correct Spindle onto Turntable. Turn NEEDLE SELECTOR to 33-45 before playing 33 or 45 r.p.m. records; to 78 before playing 78 r.p.m. records. Set Tone Arm needle at start of record; adjust VOLUME and TONE as des

4、ired. IMPORTANT The speed selector lever must be kept in the maximum clockwise position (adjacent to 78 position) when the instrument is not in use. Failure to do this will result in deformation of the idler wheel tire. rca Victor 6-EMP-2A, 6-EMP-2B Chassis No. RS-153 PICKUP VI 25L6-GT AMPL.rs Rt .

5、I MEG.” vol.; CONTR. ?.*o FT7 RM SPEAKER CHASSIS GND. XC3A -1.C3B 4-7 SI SR I v(ON VOL. AArEC CONTR.) OSMIUM TIP TO REMOVE -PULL STYLUS STRAIGHT OUTWARD PICKUP CARTRIDGE . 115 v. 60a, SUPPLY STYLUS FOR 33-45 IS CODED RED STYLUS REMOVAL Each Btylus is mounted on a short pin which fits into a socket o

6、n the pickup. To remove a stylus, pull straight out* ward away from pickup; it is held in place only by pres sure fit. rca Victor Automatic Record Player Model 7-EY-1 Series Chassis No. RS-155 Record Changer No. RP-190D-1 VI 25L6-GT AMPLIFIER Pm SPEAKER R6 f 27K 51 ZZZ1 . R4 V4 4700 VOL- 5Z7 KCONTROLS 7* RE W PICKUP | - Si Rm nrx_rjnpv(0N mtr MOTOR IbODL. BLK T BRN_ 115 V. 6O1A SUPPLY -C3A XC5B fc20MF T 8OMF CHASSIS GND. ISOLATED FROM CHASSIS LEADS TO PICKUP VOLUME control SELENIUM RECTIFIER I- I I I Chassis Assembly (Top View) 113 收音机爱 好者资料库 RadioFans.CN