Admiral-Y4659 电路原理图.pdf

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1、VOLUME R-24, MOST-OFTEN-NEEDED 1964 RADIO SERVICING INFORMATION ADMIRAL SSi!4!.-Y4677 M21 SING-ALONG NIC00PH0NE 1/212AX7/ECC83 AUDIO ANPUflEO LEFT CHANNEL VIA W SING-ALONG/ SIEOEOT SWITCH (SHOWN IN STEREO POSITION) LEFT CHANNELS INPUT v M2 )0IGHT CHANNEL INPUT I M7 NBUNTEO ON RECORD CNAHCER M4 M3 BU

2、C n m BLACK 110 NFO f BV /.57 lOUDKESS l RSB 3 NEC 7 I 2207 C|f Bv. ov(r 2i0. “JpooT I 5.47_ TREBLE EL84/6BQ5 +1 L AU0I0 OUTPUT ? .ffii LEFT CHANNEL 1 I *S V2 BLUE |T2 Tk “1 TELLBW i corresponding needle will Mi4. point down. With thumbnail, pull flange at rear of imbtj4M worn needle straight away f

3、rom cartridge. Line up V4B6BI parallel flanges of new needle with opening in car tridge case and press in place with fingertip. CHASSIS REMOVAL Disconnect the line cord. Remove four screws holding chassis grille in place. Pull all control knobs off. Remove the nuts under the knobs of the treble and

4、loudness controls while supporting the chassis. Chassis may now be lowered and pulled out for easy servicing. IMPORTANT! For regular phonograph operation when * sing along* microphone is not being used, unplug microphone from socket and move switch back to Stereo* position. If microphone is not disconnected with switch in *Stereo* position, the two sound channels will become out of balance, affecting satisfactory sound reproduction. Connect micro phone only when using “sing along* operation. 3 收音机爱 好者资料库 RadioFans.CN