Philco-Radio-and-Television-Corp-T-802 电路原理图.pdf

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1、VOLUME R-21, MOST-OFTEN-NEEDED 1961 RADIO SERVICING INFORMATION PHILCO PORTABLE RADIO TRANSISTOR MODEL T-802, CODE 124 TR2 T 1033 LAi MIXER El TIM TR4 r. m if I 0 rv| 1 a * / n raiig fj i VJv 1- -Xs r .VX L,_. _i C7 cs C9 ris 4K J p| i 0I/ * R20 XI. | ? V-ri h r n -oW n R12 *T r ItK i 400N| Is-1 JR7

2、 m ; m u NOTES* ALL VOLTAGES MEASURED TR1 * T-lSQS OSCILLATOR BATTERY CURRENT WITH NO SIO. 77._ VOL CONTROL AT MIN IS 16MA (4) V CELLS # RB07 OR P920 i C5 MS | A .01/ run Si,first production RUN S3. CKANOES: RUN,RESIsm (HANKS CHANGES ASIN run SSL AND C|3 SOOf R3 I.SK CI4 200hf R8 I.SK CIS 40.t R9 I.

3、SK R2I 390ji *2*. 270 jv i EE!? 1?T7!ljLT!r,r.!B1 ALIGNMENT CHART SIGNAL GENERATOR CONNECTION TO RADIO DIAL SETTING DIAL SETTING SPECIAL INSTRUCTIONS ADJUST Connect signal generator through a .1-uf. condenser to ant. section of gang. 455 kc Tuning gang fully open. Adjust for maximum output in order

4、given. Z33rd i-f pri Z22nd i-f pri. Zlbot. core Zltop core Use radiating loop. (See NOTE 1 below). 600 kc 600 kc. Adj. for maximum output. Rock tuning gang while making adj. T1ocs. core Same as step 2. 1620 kc. 1620 kc. (Tuning gang fully open) Adjust for maximum output. ClBosc trim. Same as step 2.

5、 1400 kc. 1400 kc. Adjust for maximum output. CIAant. trim. Repeat steps 2, 3 and 4 until no further improvement is c btained. Always stop on step 4. NOTE 1 Use a 6-to-8-turn, 6-inch diameter loop made up of insulated wire. Connect to generator terminals, and place about one foot from radio loop. trz T-1033 MIX TO LAI tSEC) TO LAI (PRO TR4 TR5 T-1232 T-1033 2N0IF DET 1 f t L - T _ BJ = % a v-. m If - - . M BPS.- L2 TO LAI PRI |J TO LAI (SECJ Component Layout, Bottom View torhl siwTofSanel TR8-TR7 T-1007 MATCHED PAIR AUD.OLTT 收音机爱 好者资料库 RadioFans.CN