Philco-Radio-and-Television-Corp-T-901 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-901, CODE 124 Refirinct Symbol Location Description Reference Symbol Location Description Cl _ Capacitor, variable, tuning C2 A6 Capacitor, ,008 mfd, r-f base C3 C8 Capacitor, .008 mfd, r-f emitt

2、er C4 F7 Capacitor, .008 mfd, osc. emitter C5 F6 Capacitor, .008 mfd, osc. base C6 B5 Capacitor, .008 mfd, mixer base C7 D7 Capacitor, 008 mfd, mixer emitter C8 E3 Capacitor, .008 mfd, 1st i-f C9 El Capacitor, .008 mfd, 1st i-f CIO F5 Capacitor, .008 mfd, 2nd i-f Cll H2 Capacitor, 008 mfd, 2nd i-f C

3、I2 K5 Capacitor, 008 mfd, det. base 03 J6 Capacitor, .025 mfd, det. collector 04 G9 Capacitor, .1 mfd, volume control 05 L6 Capacitor, 40 mfd, A VC filter 06* M5 Capacitor, 40 mfd, A VC filter 07 L8 Capacitor, 10 mfd. Audio coupling C18A* N5 Capacitor, 200 mfd, B-f filter CI8B* N5 Capacitor, 100 mfd

4、, driver emitter J1 Case Jack, listening LAI Case Antenna coil LSI Case Speaker, 120 V.C., 4 inch R1 G8 Resistor, I.5KO. r-f amp. emit R2* C9 Resistor, 1-5KO. r-f amp emit. R3 C8 Resistor, 4.7KO. emit. R4 H8 Resistor, 12KO osc. base R5 H6 Resistor, 3.9 kfi. osc base R 6 R7 R8 R9 RIO Rll* R12* R13 R1

5、4 R15 R16 R17 R18 R19 R20 R21 R22 R23* R24* R25* R26 R27 R28 R29 R30 R31 R32 B1 Resistor, I.OK/1, r-f amp. base B5 Resistor, 47Kmixer base B2 Resistor, 39KO, mixer base D5 Resistor, 3.3lCjfl* mixer emitter A3 Resistor, 1 OKO, 1st i-f base E3 Resistor, I.2Kjfl, 1 i-f emit. El Resistor, 1.2KH. 1st i-f

6、 emit. F5 Resistor, 8.2K/1. 2nd i-f F5 Resistor, 15KO. 2nd i-f base H5 Resistor, 2.7Kf“l, 2nd i-f emit. M4 Resistor, I OKO, 2nd det. base M4 Resistor, 2200. 2nd det. base K5 Resistor, 82 0, 2nd det. emit. J6 Resistor, 6.8KO. 2nd det. coL H7 Resistor, 3300, 2nd det. col. - Resistor. 4KO. vol. control

7、 L9 Resistor, 3300, driver input filter M6 Resistor, 3-9KO, aud driver base Q3 Resistor, 1200, B-f filter Q4 Resistor, 2200, aud. driver emit. Q8 Resistor, 2.7KO, aud. feed back P3 Resistor, I.5KO. aud. collector R5 Resistor, 1 5KO. ud. output col. Q5 Resistor, 680. TR8 base S3 Resistor, 680. TR9 ba

8、se S6 Resistor, 1,80. TR8 emitter R5 Resistor, 1.80. TR9 emitter Reference Symbol Location Description R33 J1 Resistor, 220. jock SW1 R21 Switch T1 E8 XFMR, osc. T2 N7 XFMR, aud. out TR1 A7 Transistor, r-f amp., T-1233 Transistor, osc., T-1306 TR2 F7 TR3 D5 Transistor, mixer, T-I033 TR4 D1 Transisto

9、r, 1st i-f, T-1233 TR5 H3 Transistor, 2nd i-f, T-I232 TR6 H5 Transistor, det., T-I033 TR7 L7 Transistor, aud. drive, T-1001 TR8* R9 Transistor, aud. out., T-1007 TR9* R8 Transistor, aud Out, T-1007 XI K7 Choke, 400nh Z1 B6 Transformer, R-F transistor Z2 B3 Transformer, 1st I-F Z3 F3 Transformer, 2nd I-F Z4 J3 Transformer, 3rd I-F * RUN 2CHANGE INFORMATION C16deleted Cl8A400 mfd Cl8B300 mfd R21.8KO Rll1.5KO R121.5*0 R2312KO R242700 R253900 I * 1 a I C I D I i I P I I H 1 J I K I L 1 M I N I e I o | m | l J 125 收音机爱 好者资料库 RadioFans.CN