philips-7t-bc-batt-portable-transistor-ace-1961 电路原理图.pdf
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1、PHILIPS TRANSISTOR ACEMODEL L3Z74T PHILIPS SERVICE NOTES WAVERANGETRANSISTORS SITI622LC/s 0C44.ZXOC45,2XOC7I. , I.F.20071 0A7?Diode Model mm 455kc/s BATTERY LOUDSPEAKER EvereadyType744/6V AD34602Curran Consumpfi on: I l-I4Ma ALIGNMENTOFRECEIVER |.F.ALIGNMENT ConnecfSig.Gen.TrimmingFrequencyAdiusf #0
2、Maximum Oufpuf . 3rd|.F. LI: 23ng Pf +0base 455KC OC79 Winding. 2ndOC45 Collecfor Winding “ 2ndI.F. Via33000 pf 10base . 455K.C. 2ndOC45Base Wlndmg.IsfOC45CoIIecIor IsIOC45 Winding Via 33K ohm +op of IsI.F. 5-F- (0044 C 455K.C.0C44ColIecror Winding.moms Base Winding Iecior Plafe) _-_ R.F. Alignment.
3、CannedSIgneIGenerator to Ferrocepiorbymeans of CouplingWIndIr-g Waverange m,_._._._,_ TrimmingFrequency BC IIIIOKII “P w“ l500K.C. across TIandTIA 550K.C. Remove l500K.C. Damping 550K.C. Adiusf #0Maximum Oufpuf OscTrimmer Osc. CoiI. Slug Ae. Trimmer TIA (SlidealongRod) RadioFans.CN TUNING CONDENSER
4、AT MAXIMUM CAPACITY _ CORDKOSOJBl EYELET 3002AF3X4 SPRINGA3646 80 DIALCORDDIAGRAM 0A79 2OC4SIs“OC45 WINDING“aAsE“BA5_E 2-OC 4s IJoc 45 oc 44 COLLECTORCOLLECTOR COLLECTOR 3?.I29.I2 _A_ER. we.mcm. I:I -II|H|I|II|II|lIlllllllIlllIlllllll L3L4 AERIALCOILS L_I_L2 ADJ. _ TRI%SIII:ERg ,0)- -_-m TRIMME RLOC
5、ATION DIAGRAM IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II: - IIIIlIIIIIIIIIII|IIIIMIIIIIIIIIIIIIIIIIIII WARNING When repairingequipment usingTransistorsandGermanium Diodes, care mustbetaken tosee thattheyarenotdamagedby excessiveheat orvoltage. SOLDERING.Use a pair of pliers,ortweezers with wide
6、 points tog gripthe Wirebetweenthe Transistorsandtinttobe soldered,soconductingtheheat away. Becarefultoconnect the batteries to the correctPolarity. PuinsIIed by PRODUCT MAINTENANCEDIVISION.PHILIPSELECTRICAL INDUSTRIES (N.Z.) LTD. PO. BOX 2097, WELLINGTON. RadioFans.CN R22 R29 R3I Cl C2 C3 C4 C9 CI
7、Z Cl8 C29 C3l C32 C33 C35 LI L4 L5 L6 L7 L8 1 L9 LIO Llll Ll2 LI3 L14 Ll5 Ll6 L|7 Ll8 Ll9 L20 L2I L25 L26 L22 L23 L24 m WHENORDERINGSPARE PARTS. PLEASEQUOTEMODELNO.AND CODENO. SPAREPARTSLIST RESISTORS 4K +le polenfi omefer 2K presef ., NTCresisfor CONDENSERS Iuning condenser9-498 mmfd 8-!68mmfd AirI
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