Westinghouse-Electric-Corp-H-70ACS4 电路原理图.pdf

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1、VOLUME R-21, MOST-OFTEN-NEEDED 1961 RADIO SERVICING INFORMATION WESTINGHOUSE Chassis V-2507-8, Models H-70ACS1, H-70ACS3, H-70ACS4 1/2 7025 OR 1/2 I2AX7 82V $+LpW l/Z 70254* OR L % 2W IRSO MV J* Tl ri* igAMT | MOTOR j CHASSIS REMOVAL 1. Remove control knobs. “all umotmcc wlucr lcu THAN i am m mpo* l

2、 iacoDaec Amp-Lok type plug from record changer. * jubuhr than i am m mm, whu 3. Remove phono plugs ftpm record changer noting color of SttmJSSSiTsgoKgi0H l,ecables and their respective jacks. * 4- Disconnect speaker leads noting connections with regard :SK35SURm,S , * lead clor “d sPeaker d- J a ar

3、rows on controls woicATt clockwise roiation 5. Remove two nuts securing left speaker baffle and remove (CONTROL VKWCD PROM INAPT (NO) h.ffU a SWC USCO IN CARLY production ONLY. This SWITCH Maine. is omn in sTSRco postion. 6. Remove four nuts securing chassis and remove chassis. NOTE: Be sure during

4、chassis installation that phono cables to changer and leads to speakers are properly phased (refer to schematic diagram for speaker lead color coding). . o - Right CHAN. L ALL CAMCITANCC WtUKS LCSS THAN I ARC M MFD, WCATtR THAN I ARC IN MMFO, WHILC AU_RE8tyNCt VALUES ARC IN OHM* 1/2 WATT, UNLESS OTH

5、ERWISE SPCOPfCO. *. DC VOLTASES MEASURED FROM S-U8W0 VTVM, UNE VOLT SET AT 117VAC. RCADW8 SHOULD K WtTMN i*0% &AMFLOK CONNECTORS VKWCD FROM CONTACT CNO. 4 REAR SECTIONS OF ALL CONTROLS ARC RlOHT CHANNEL. & ARROWS ON CONTROLS MOKATE CLOCKWttC ROTATION (CONTROL VICWEO FROM SHAFT END) ftSWEUSCO IN CARLY PRODUCTION ONLY. THIS SWITCH IS OPEN IN STCRCO POSITION. CAI A.C. CONNECTOR |_ARLY_ PRODUCTION OIMLIS xriir LEFT CHAN. NWBLK.TR.-7 TO L.SPKR i-W_YEL.- YEl/BLK.TR.- TO R. SPKR. 173 收音机爱 好者资料库 RadioFans.CN