Sentinel-Radio-Corp-338-W 电路原理图.pdf

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1、MANUAL OF 19S2 MOST-OFTEN-NEEDED RADIO DIAGRAMS O models 338-W, 338-1, 338-R, 1U338-W, 1U338-I, 1U338-R, I2AT6 OET.AVC-AF SOME MODELS USE A SOBS TUBE OTHEftS USE SOC5 TUBE. 50B5 and 50C5 are Not Inter changeable All voltages eiCEFT MEATEftS AAC MEASjAEO FROM SOCET CONTACTS TO TnC COMMON NECATVE iTm

2、a 000 Ohm PER vOlT VOLTMETER HEATER VOLTAGES ARE HEASUREO OIRCCTlt ACROSS SOCET CONTACTS AC EXCEPT WHEN SET IS USED ON OC. voltage table (aOTTOH ViC OF CHASSiSl DENOTES COMMON r.ROJilO NOTE I: Connected as shown In Model IU338 only. Loop return connected to A.V.C. at point X In Model 338. NOTE 2: It

3、ems with Illustration numbers (21) and (22) used In IU338 onl/. Loop and gang connected directly to pin 7 on I2BE6 In Model 338. TO SERVICE TUBES, it is necessary to remove the cabinet back by gently pulling out the two trimount studs, used to hold the back to the cabinet, and detaching the two lead

4、s from the loop. Before remounting the back on the cabinet, be sure to properly re connect these leads. The green-white wire must be attached to the terminal which has the word “GREEN* printed close to it. NOTE 50B5 and 50C5 are Not Inter changeable TUNiNS COR& ASseaitLT WITH AN eONOSNSeil rULVV IM HCSM. 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN