Zenith-Radio-Corp-5D20 电路原理图.pdf

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1、VOLUME R-21, MOST-OFTEN-NEEDED 1961 RADIO SERVICING INFORMATION ZENITH RADIO CORPORATION MODEL SFD-660 PORTABLE STEREOPHONIC PHONOGRAPH CHASSIS 5D20 6AV6 DET 1ST AUDIO 6AQ5A PWR. AMR ALL VOLTASES A At DC UNLESS OTHERWISE SPECIFIED SWITCH SHOWN M PHONO POSITION FULL COUNTER CLOCKWISE AS VIEWED FROM F

2、RONT OF CHASSIS. v I F TRANSFORMER NUMOCRlNS STARTS WITH #1 TERMINAL AS FIRST TERMINAL CLOCKWISE AND ADJACENT TO MARKER AS VIEWED FROM BOTTOM OF CHASSIS TUHINS RANSE 93S-I920KC ANTENNA ASSEMBLY- ttOW CMC 40 MFD 40MF0 490 V 29 V STEREO PHONO SOCKET- CIB ANTENNA TRIMMER- CID OSCILLATOR TRIMMER - TUNING CAPACITOR ON-OFF SWITCH AND LOUDNESS CONTROL RADIO PHONO SWITCH +55 Kc. LT2 2ND IF. TRANSFORMER % L5 PRIMARY BOTTOM L6 SECONDARY TOP 455 KC. -TI- 1ST. I.E TRANSFORMER L3- PRIMARY BOTTOM L4-SEC0NDARY TOP BASS CONTROL TREBLE CONTROL -SPEAKER LEADS (TO 71/2” WOOFER) 178 收音机爱 好者资料库 RadioFans.CN