Bendix-Radio-Div-65P4 电路原理图.pdf

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1、MANUAL OF 1949 MOST-OFTEN-NEEDED RADIO DIAGRAMS BENDIX MODEL 65P4 ,cSJTJ i Circuit A1 igned *455 KC *1475 KC *1475 KC *965 KC *580 KC Pointer Position Max. to right 1475 Ref. Mark Adjustments C9b, C9a, C7b, C7a Cle, C2 +Check Cal i brat ion * Applied to Antenna input through . I mfd or less. * Appli

2、ed to Antenna input through 50mmf. or less. + if dial pointer calibration is not within plus or minus 10 KC the gang rotor plates must be bent to cause correct tracking. CONNER TUBE RECTIFIER LF r- Tnc r / r |ST /V-shield W (J HKtHTTq T2 C7b fc7o _OSC_ PaWERfSOAo) Cld Tifl (Ci4b01tu -K- l-:iT SHIELD

3、 (I4A7 J Cla C9b IffgM LflmJ LhfcONTROL |JS2 TUNING TRIMMER LOCATION DiAORAM DIAL REFERENCE POINTS -:-CONDITIONS OF MEASUREMENTS- LINE VOLTAGE 117 A:C. ZERO SIGNAL VOL CONT. MIN. SOCKET TO COMMON 6 MINUS 0. C. AT 20,00011 A. C. AT 1,000A/V. R.F CONVERTER I.F DEMOD I4A7 I4Q7 I4A7 0 . r- 0 *4.6 f- e 0

4、 0 r i e 0 0 -r /IS_5- 28iT6| /G / 0 70_r /- 2 73 r 2 7$ G * 38K G2#fr15MEG 38K Grr 7MEG. 38Ku#tgru -32 5 MEG. 38K 230 38K .9 V.39A.C. 14 AC.,/ h23.5i H 23 H 30 I F FREQUENCY 455 KC. .235AC 235AC, 30 30 1.7 330 K W* 47 pj 0 qL a 330KP 0 DEMODULATOR 8 1ST AUDIO POWER OUTPUT RECTIFIER I4B6 35A5 35Y4 0

5、 _2_nc NC_Q9ACH II5AC ( . -| 95 r S3K r 0 *IQ7A,C./ll5A.C gr0|l.4MEG. 38K Gj7-rrG|500K I20 /(T30 O 87 _ jSV-fflL 5.6 IIIA.cJy_fflL 113 ( 0 38K 160 120 fiXSP 38K . O 83.5A.C,/ .,50AC III AC,./ .,85A.C H-S-iOO H Ha59 140 H H 100 * LUG CONNECTIONS ONLY EXTERNAL ANTENNA CONNECTION Sf8* 47K 5 3LLc9c . CI

6、4 330 LOUD r T 4 SPEAKER =fcr S / C2 / 2-20 L_L_ / 1 / NOTE:all capacitance in c WHOLE NUMBERS IN MMF. AND all capacitance in decimals iA IN MF. ALL RESISTANCE IN OHMS UNLESS OTHERWISE 0 A / STATED. fl/o K* 1,000 A 3A O 0- COMMON BUS ZZZ I4A7 CiO So .006 42 aV l f) J * CD CC 88 l 1 1 1 L J ?9- S2 X

7、BB 70 * 0 Jl 90 / #47 #47 Bendix Radio 3Ap (oY o 8A 38tO-h/oQOtSB 5 4L-6 A 5b-60 FRONT OF WAFER BACK OF WAFER LOOKING AT REAR, LOOKING AT REAR, CHASSIS INVERTED CHASSIS INVERTED TONE PHONO SWITCH 80 l05VH25vl 7Q 50-60 70 AC DC R 14 R 15 -WV-WSr- 180 1200 C18b CIBc 60 MF 20 MF 1 0 1 8 4 1” 8 1 B-r 8 1 V 35A5 V I4A7 V I4A7 V I4Q7 IS 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN