Sylvania-Electric-Products-U50-1 电路原理图.pdf

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1、VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION SYLVAN IA Mot 5U5AK4e;2AT4o I2BE6 DSC/MIXER 0 I2BA6 1ST IF TRAUF iST IF n p r -iio L-JIJ T | tuv I2AV6 r rz OET a 1ST *UD. PPI-PLATE AUDIO 1 I I 2ND JF TRANS, U45SKS U R2 ? i son 50C5 AUDIO OUTPUT BLUE Ts cs 200n *nsv oi ,-Jllc 7 HOOVf-

2、Tv I Nw I RED L-C3 R4 “ ” 30DK z|l VOLUME MODEL AK_ON/OFF _| tLcSA +LC9B T30MFD TSOMFD 150V -L (50V swi partX ON/OFF OF R4 CLOCK MOTOR lODEL AK45_ _ VI I2BE6 OSC./MIXER ._._, _ t ItUUU r , 6 ER sr mm clockmotor! red wht pHyUr jy. iblk INTERLOCK V 2424 T V2 UJ I2BA6 L Ss 1ST IF AMP A r. _Resistance c

3、hart LZ_Tl_T2 between res between res between res 286 * B2 ISA I B 2 I6A 3 84 I2A| 384 |8a| 38 4 PPI-PLATE AUDIO R5 6.8 MEG R7 470K ne- C4 003 HI- C3 ISOpF R6 _47K pF H(- C6 .005 C5 lOOpF V5 35W4 rectifier I*1- 3ill . ?! _R2,I50A L4._3j J i *VV T A 1 Vo oV Jon ceL v *5/ -# j.0l*6* V2 #( Blue cio f“

4、I2AV6 ft DPT/1ST AUDIO 7 * ON/OFF -,l|5 / I4 jvyv, ! ! np !*;i I.R4 6- *16 SCHEMATIC NOTES I Line voltage set at 120 volt, 60 cycle. Voltages shown are average readings measured to chassis ground with no signal, minimum volume setting and variable capacitor fully open. All capacitors are in ucrofara

5、ds unless otherwise specified fV/eSt7Yre 10% 1/2 watt unles otherwise specified Intermediate frequency (IF), 455 KC. H designates chassis ground Arrow on volume control indicates clockwise direction. Q FIGURE A J II note: FIGURE B FIGURE C the cabinet sections are held together with snap tabs shown by arrows, see figures a and c. 137 收音机爱 好者资料库 RadioFans.CN