Westinghouse-Electric-Corp-H-56ACS2 电路原理图.pdf

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1、VOLUME R-20, MOST-OFTEN-NEEDED 1960 RADIO SERVICING INFORMATION RED TO RIGHT CHANNEL BLACK TO LEFT CHANNEL Westinghouse MODELS h-56acs2 H-56ACS1 CHASSIS V-2507-2 Top view of chassis, Cortridge terminol I USIH6 A VTVH, 10U0NCSS CORTRd * CHASSIS REMOVAL 1. Remove control knobs* Remove the perforated t

2、ube- service cover which is attached to the cabinet by 2 phillips screws. 2. Remove the 4 phillips screws holding the motorboard* Lift the motorboard. 3* Note the color and location of the two coax cables con necting to the record changer. Disconnect the amp-lok plug and the two coax cable plugs fro

3、m the record changer* 4. Remove the 4 speed nuts holding the chassis to the cabinet front. Remove screws holding the two External Speaker sockets. PHASING Each speaker is coded with a dot on one terminal. The striped speaker leads must go to the speaker terminals marked with a color dot. STEREOPHONI

4、C CARTRIDGE Cartridge-stylus replacement. CARTRIDGE AND STYLUS REPLACEMENT The cartridge and stylii are constructed as an integrated plug-in unit. To replace cartridge, lift tone arm and grasp cartridge on notched sides. Pull cartridge out of holder and insert new cartridge. The cartridge should be

5、oriented so that the key, in the cartridge, fits into the key-way slot in the holder. POWER CORD POLARITY To remove the possibility of hum due to incorrect power plug polarity, try reversing this plug while the Bass and Loudness controls are set at maximum. Leave the plug in the minimum hum position. Always check the AC power plug polarity first when servicing a hum problem. KEY KEY-WAY 160 收音机爱 好者资料库 RadioFans.CN