Philco_51-934 维修电路原理图.pdf

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1、PnoroFACT* FolJ* FtowAR0 w. sAMs -,i- .e 5T 3/CAM i,: FN/ :5 GD E!1i (11) r2au6 r2BAo r2AU6 rsca ; - ;n f, i,:p + .,9p + =-= -+ -lF ,ooo Y IF ,ou MEG DEf. -AVC-AF t9c8 50c5 ,+_ 600 | -r I l5O o * TEN AM PGITIOX i T AC Voltages urd ar 1,000 ohms per volt. r moectioas are shown r bottom views. rred va

2、lues are from mcket pin to common negative. Elete maintained ar I I - volts for voltage readings. iel tolerance on compooenr values makes possibld a variation of l4 io vokage and resisraace readings, x ontrol at maximum, no signal applied for voltage measure. I IO2-tO t: IFAD Y RFFORE ATTT NMFNT sed

3、andsetpointertolastrelerencemaxkotrIowfrequencyendofdiallackplate. Use isolatlon transformer u u.iruiru.- rr not otnt a 1MFD capacitor in series with Iow side of signal generator and chassis. L*p l-td b*intained in same relative position to chassis as when receiver is in cabinet. vohime control shou

4、ld be at maiimud position. Output of sigtral generator shouid be no higher than necessary to olltain an tput reading. Use an insulated atignment screwdriver ior adjusting DU,TMY ANTENNA -.-3rcNAr -I GENERATOR I anl tDt tNG I srcr.rAr I _G_E_EE4Iq.Bl BAND l sw:TcH I Dnq I RADIO DIAI OUTPUT hETER ,ADJ

5、UST RE)6-202 )6-r03 )6-502 f,6-l0r )6-l0t )6-33r D6 - 562 )6-r0r )6-68r 6-562 D6-101 D6-t0l BBR2 -50 51V5Tl 5W5Tl PTE4SI 5W5Ti rw5Dl5 lD5D4 ID5D4 5W5T25 5W5T25 5W5Tl pTE45r 5W5T25 5W5T25 5W5Tr P?E4SI 5II/5TI pTE4Sl PTtr6I2 PTE6D6 5W5Tl PTE6D2 pTE 4Sl LD5D5 5W5TI 5W5Tl 5W5t3 PTE6D4 PTE 6D6 5W5Tl FTE4

6、52 twST? PTE6D6 5W5Tl PTE452 5W5Tl pTE6S4 GpIK-t00 GplK-I00 8ll-01 GFrK-100 GP2L-00r5 juuz-, * oon GP2K-220 GpzK-220 GPIK-100 8lt-0r NpoK-6.8 N220K-7. 5 cp2K-220 GP2K-220 NpoK-?.5 GprK-t00 Bll-01 GPIK-100 8u-01 GP2M-002 Bll-005 GplK-100 GP2M-002 8il-01 8ll-005 6PlK-t00 GPIK-TOO cP2K-330 Gp2M-O04 8ll

7、-005 GplK-100 cp2( -680 Bu-006 GplK-100 GPIK.-r00 TVA-I2 I FII.3I IFM.3I TM-II lfM-31 IFM-215 36C2 IFM-325 lFItit- 325 IFM 31 TM_IT tFM- 325 IF M-325 ltaM-31 TM-II tFM-3t TM-II Tid.22 Tl,4-26 IFM-:lt IM-22 TM-II 29Cl rFM-31 IFM-3I IFM-335 TM-24 TM-26 IFM-3I TM.I2 IFM-37 TM-26 IFM-31 TM-I2 IFM-31 TM-

8、I4 - Fitter r Filter r Fillor Output Cath. BJp. Stabilizing Cap, Ant. Coupling Ant. Coupling Ant. Coupling FM RICath. Byp. FL RF Sareen nyil, Filament Evp. Irilament Btlp. Ii.F Couplitrg RF Coupling Oc. Grid Byp. Conv. Cath. Byp. Osc. Coupling f ixed Trimmer Osc. Feedback Conv. Cath. Byp. Fixed Trim

9、aer Fixed Trimmer Conv Plate Dec Osc. Plate Dec. AVC Filter lst F Screen Byp. IF Corpling 2rd IIGrid Filter 2nd IF DecouFling 2nd IF Cath. Bypass 2nd IF Fil. Bypass Diode Rtr Filter Dlode RF Filter Diode Load Cap. De-emphasis Audio Coupling RF Bypass Audio Coupling AF Amp. Plate Byp, Audio Coupling

10、Output Grid Bypass Output Plate Byp, * RF Bypass Line Filter * Some models use .006MFD in this ailplication. c0hdTRotS ITEM lu,lo. naTR.,tG IIISTAILAflON NOIES PHILCO PART No. tRc PART No. CIAROST,T PART No. CFNITRAI.A,g PART No. xt)!br- W.ATTS 50oKo Switch 33-5566-20 l,lot Req. Nt Rpd- Ql3-r33 76-l

11、 Not Req. _t Nr-60-z sw-A B-60-S Not Beq, Not Req. Volume controi and svitch Attach to RIA per inEtrdctions Attach to nlA per instructions PARTS L$ST ANM MffiSCEUPTIONS RESISTORS (omrinuued) pAm.T$ LIST AND DHSCRIPTIONS (Continued) SEIENIt.!M RFCTIFIER DIAtTIGHTS lTEtvl No. RATING REPLACEMENT NOTES

12、CURRENT PHILCO P,ART No. SYTVANIA PART No. - 0?5ADC 34-8003-l NC -5 ITEM No, IIA.TINGIDENTIFICATION CODES RF Amp. Cathode-Wire Wound RF Amp. screen conv. Grid Conv. Grid Parasitic Suppressor Parasitic SuPPressor FM Conv. Plate AIVI Conv, Plate Conv. Plate Decoupling Ist IF Amp. Cathode lst IF dmp. S

13、creen Decoupling lst IF Amp. Plate Decoupling 2nd trF Amp. Grid 2nd IF AmP. Cathode-Wire Wound AVC Netvork 2nd IF Amp. Decoupling Ratio Det. Diode Load De-emphasis Filter Avc Diode Load AF Amp. Grid AF Amp. Plate Output Grid Output Cathode Filter FiIter-Wire Wound surse Limitins-Wire Wound PAPT N6 t

14、Rc PART No. R2 R3 R4 R5 R6 R,? R8 R9 Rr0 Rll RI2 Rl3 Rl4 Rl5 RI6 RI? RIB RI9 R20 R2l F-22 R23 p.24 R26 H27 R28 120n 4?0f) lsKO I leg. 680s, 4?0c, l000fi 4?KO 4?00f, 41f) 1000s2 2200f, I Meg. 1200 I Meg. 4?0fl 4?KC 4?Kc 4?KO 3.3 Meg. l0 Mee. 4?0Ks, 4?0Kf, l50a 470f 1500 I 2 66-1I28340 66-r4?8340 66-3

15、158340 66-5r08340 66-1688340 66-14?8340 66-2r08340 66-34?8340 66-24?8340 66-04?8340 66-2108340 66-2228340 66-1058340 66-tl28340 66-sr08340 66-14?8340 66-34?8340 66-34?8430 66-3478340 66-5338340 66-608340 66-44?8340 66-44?8340 66-11s8340 66-r474340 66-1I85340 66-O225340 BTS-470 BTS.ISK BTS-1 Meg. BTS

16、-1000 ETS-4?K BTS-4?00 Bw-+-4? BTS-1000 BTS-2200 BTS-I Meg. BTS-l Meg. BTS-470 BTS.4?K 8T5.4?K BTS.4?K tsTS-3. 3 Meg. BTS-10 Meg. tsTS-470K BTS-4?OK Bw-;-l5o BTA-470 BW-2-tr50 ITEM No. BASE TYPE vot-TsArrPS. BEAD cot-oR REPI.ACEMENT DATA NOTESPHrLco I DAor N I Screw 120 34-2605 MISCETTANEOUS lTEivl

17、No. PART NAME PMLCO NOTES M3 M4 Ar3 Switch 2 Cang Var. Cap. Trimmer Cabinet Dial Scale Knob Knob Knob Dial Pointer 42-t924 31-2?56 31-65u l0?96 54.5089 54-4114-2 54-4774 54-4174-L 56-5630-23FCP Band (26-292MMr I5-19?MMF) FM Osc. Adi. FM.AM Tuning Volume/Off-on TUNING GANG FULLY CLO5ED DIAL CORD DRIV

18、E Remount output transf ormer. ITEM No. USE DC RES. REPI.ACEMENT DATA PHILCO D DI N MEISSNER PART No. L2 L4 L5 L6 LI L9 Ll0 Ltl Ltz LI3 Ll4 I M Ant. FI,I RF RF Choke RF Choke FM Osc. Fil. Choke tril. Choke Loop Ant, AM Osc. Ist AM IF lst FM IF 2nd fM IF znd AM IF Ratio Det. Trans. 0s) 3. lo 3. IO 0f

19、, I.9f, l.9f) 10. 5s) 5c, .2A I6. 5c) 3. 5f 4s, 12.5sl 2.24 16. 5n - 5S) 32-44t5-l 32-44r6-l 32-4422-10 32-4422-rO 32-44t4-t 32-4422-8 32-4422-8 32,4052-49 32-4458 32-4258-3A 32-43724 32-4372-24 32-4244A 32-43r0-lA l6-348? r6-348? t6-6?0 3- 3 microhenries 3.3 microhenties 2.2 microhenries 2,2 microhenries Taps at 4Q aod 3. IO Rcolts (r ( )