Philco-Radio-and-Television-Corp-P10ST 电路原理图.pdf

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1、VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION PHILCO Tuner-Amplifier Chassis P10ST used in Models P1002 and P1718 (Diagram continued on page at right; other material on page following) FUNCTION POSITIONS 1 | OFF 2 PHONO 3 FM STEREO 4 FM MONO 5 AM T r- i i ! FM ! I ANTENNA 680; I 30

2、00 rtt ANTENNA FILTER PANEL R58$ CR9 I2K r t-1 C29- C47 100 .01 Ll /Tk 3%Ua/- ) R35 / 220 -R27 “ : !2K RI4 -LCI5 8Tk? fsr 013 R44 HR-26 470 aR59 R60 5.6K 52.4K 5% | 5% C59A. pooffi o 1 ras* 725 I R24 CI7 r*. 2.2KK47TC3* H lly R36 . kOK Jgff i LIB AFC SWITCH S2 vtL R47 R46 -vW IOOK I 2.2ME6 * COMPONE

3、NTS WIRED TO TOP OF Z5 *C68 I *220 i *cC SR40 !-5v )oi2liiJ|F;i8K 06 WTAl.-Ij* HR-16 C20-i; R33 5Uf 8.2K |2i 56 K 27QK /TSTtRt INDICATOR CRI 3.9K R69 CRZ i 3.9K OSI 8 23 H - r 1 r: 4 _ 56Kf i 05 IT ! HR-15.,. | i ilfSOA CI8 L IS, 47K vW c!RI5A/p n s| Sh 3900 _Lc 11 y0047 M v230 flSSn Y1 kJ ? JJL J j

4、J R29 . .CI9 .2 CR3 y 58K; jl2K “ .1 3 3mh 1 s 3.9K cl CR4 56K SECT I TO REAR 6 , FRONT 1VQ V RECORD I | CHANCER 1b R56 S.6K 2Q5 3AC65C T 250UF MODEL Pl7|8 收音机爱 好者资料库 RadioFans.CN VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION PHILCO Tuner-Amplifier Chassis P10ST used in Models P100

5、2 and P1718 (Continued; see also next page,over) , _ . , , . * VMnAtm nA I HHAnm CAraiVC! of rear A f nhaoei CHASSIS REMOVAL - PIOST, P25ST, 1. Disconnect line cord and remove back. 2. Disconnect speaker cables, phono power cable, phono input cable and bin light vfien used. 3. Remove holddown screws

6、 at rear of chassis. 4. Remove screws inside of cabinet at corners of front bezel, 5. Remove screws holding EXT. SFKR. JACK PLATE to cabinet. 6. Remove chassis from front of cabinet; in drop-in models lift lid then lift chassis up and out of cabinet. _C42l )! V I i5ocyl k O7 R62 H2%v 220 LC43 .-L r8

7、2o r* 018 R54 HR27 220 ,r- L* r-R63 56K Lai 99 S:C35 X-22 X5uF J_C44 ” X.ot NOTES: 1. ALL VOLTAGES AND RESISTANCES MEASURED WITH VTVM PRECISION MODEL *fe8 2. ALL RESISTANCES MEASURED IN-ClRCUIT. 3. ALL VOLTAGES ARE TYPICAL VALUES TAKEN WITH LOUDNESS FULLY CCW ANO SWITCH ON FM STEREO POSITION UNLESS

8、SPECIFIED OTHERWISE WITH NO SIGNAL APPLIED. VOLTAGES ON 06 WILL VARY WITH SIGNAL. MONOPOLE AND LINECORD FM ANTENNA LEAD USED ON MODEL PI002 ONLY. HRH eREC0Rt CHANGER OMITTED ON MODEL PI002. R7A Ri3 : 68K 56K “3.C4 X20 01 : VR1 , i megL. R2B 330K HRI7 .I.3V/P LOUO-f J! C5 nesslL x_ VR3 .1 330K BASS X

9、 1 Rt IK C52 r-1 27K TREBLE |_ 04 tov HRII L R2K R 2 l I IS8V ST R2A Q 56K I2C SRIA 02 HRI7 VRI 330K 1 ME6L- - LOUD-v nesslL C8 .1 2R8 5330K C28i UF ) 1( 60onj y iC6 I T.i *1 VR2 1 X 30K I TREBLE - M sldr, i2 FRONT 4u3u2n| roirT C67 R(og)L PHONO SOCKET -It- I _BLK I 1 047 C67_WHT MODEL PI002 RECORD

10、CHANGER OMITTED JfC65D X250UF CAUTION I I USE ONLY RECOMMENDED PHILCO EXTERNAL SPEAKER OTHERWISE EQUIPMENT DAMAGE MAY RESULT. 101 收音机爱 好者资料库 RadioFans.CN VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION ALL VOLTAGES MEA- PHILCO Chassis P10ST, continued sured with vtvm x AXX-1wiiuukiik

11、i DDcricmu unnri QI5 HR2 I A M F.M. RP C32 TUNING CONDENSER t QI3 HR26 Q17 FM. IF AW HR26 MIXER IF AMP QI6 HR27 LIMITER * r.Sr.f . . : ALL VOLTAGES MEA SURED WITH VTVM PRECISION MODEL 88 WITH SELECTOR SWITCH IN FM STEREO POSITION, AFC SW. ON AND NO SIGNAL. r-W: Q6 HR22 F M MIXER Jgr Vl- J JU. T* QI4

12、 HR 11 R.H. OUTPUT Q11 -HR 11 R H OUTPUT Q7 HR 11 L H OUTPUT Q4 -HR 11 LH. OUTPUT * THESE VOLTAGES VARY WITH SIGNAL. S I FUNCTION SW h I QZ 05 HR I 7 HR 15 RH AUDIO LI 36KC AMP k AMP T 01 VRI HRI7 LOUDNESS LH010 Q10 HR 13 R.H. DRIVER TRANSISTOR BASING BOTTOM VIEW Q 3 HR I 3 L.H. DRIVER Bottom View -

13、 Top Component Location PIOST Chassis Q4, Q7, Q6, 09. QI3 Oil. 014 015, QI7, QI6 AM SET FUNCTION SWITCH FOR AM FM STEPS I THRU STEP I 10.7 MC TOP AND BOTTOM FM SET FUNCTION SWITCH FOR FM AND AFC OFF TO MATCHING TRANS VRI LOUDNESS FM STEPS 4 THRU 8 STEP 4 STEP 2 87.5 MC 535 KC * C3I CHASSIS PIOST C4I

14、 P25ST COOE 124 C40 PD25ST COOE 126 C37 PDIOOST AM STEP 3 * 1620 KC VC 2 J a - Xrz. step 1 ar 10.7 MC 74 J- TOP AND - AM ( S BOTTOM - STEP 51 er1 K 1 11500KC I Zll TYPICAL VOLTAGES Q | E | B | C j 7 T3 27 2 7 I 3 2.7 3 2 I 2 7 26 4 O_7 15 5 2_7 315 6 * 5 *1 2 16 7 15 15.8 32 8 6 I 79 0 9 7 e e_ o 10

15、 2 I 2.7 26 11 0 7 15 12 1 6 2 l2J5 i3 86 8 2 0 14 15 IS 8 32 15 66 63 O 16 2 0 20 5 31 5 17 6.2 6 O 16 5.4 5 2 O ATTACH SCOPE GROUND HERE g MATCHING ( O TRANS, DUMMY SPEAKER LOAD RESISTOR AM FM Alignment Points SPKR.TERM. PANEL ALIGNMENT INFORMATION PIOST, P25ST, PD25ST, & PD 100ST CHASSIS 102 收音机爱

16、 好者资料库 RadioFans.CN VOLUME R-26, MOST-OFTEN-NEEDED 1966 RADIO SERVICING INFORMATION _ PHILCO P25ST - CODE 124 CHASSIS ELECTRICAL PARTS DESCRIPTION CAPACITORS .1 mf, treble cont. 100 pf. 67KC filter elec., 250 mf, 6V, driver emit. 220 pf, 67KC filter .1 mfd, bass cont. 1 mf, 1st audio .1 mf, treble c

17、ont. .05 mf, treble cont. .05 mf, treble cont. 150 pf, driver C to B 2 mfd, bass cont. .0047 mf, bass cont. .0047 mf, bass cont. .1 mf, 1st audio elec., 250 mf, 6V, driver emit. 4700 pf, mx. out. 4700 pf, mx. out. . 1 mf, AM ant. 10 pf, FM osc. inj. 100 pf, AM osc. 4700 pf, AM osc. FB 1800 pf, 19KC

18、transf. .01 mf, FM mix. .01 mf, B+ bypass 7.5 pf, FM osc. FB .001 mf, FM osc. ret. 56 pf, AFT .001 AM out. 3900 pf, 38KC transf. 2 mf, mx. amp. 1 mf, mx. elec., 5 mf, 25V, 38KC emit 1800 pf, mx. amp. t ransf. SERVICE PART NO. 30-4706-13 30-1293-32 30-2611-10 30-1294-19 30-4695-30 30-4695-30 30-4706-

19、13 30-1272-23 30-1272-23 30-1294-31 30-2612-2 30-1294-28 30-1294-28 30-6495-30 30-2611-10 30-1294-28 30-1294-28 30-4706-13 30-1221-23 30-1293-32 30-1294-28 30-4707-15 30-1294-6 30-1294-6 30-1221-24 30-1294-20 30-1287-5 30-1294-20 30-4707-17 30-4704-3 30-4706-13 30-2610-2 30-4707-15 SYM- LOCA- BOL TI

20、ON DESCRIPTION 150 pf, driver C to B 1500 pf, FM mix. coup, 4700 pf, osc. base .0082 mf, AM osc. inj. elec., 5 mf, 15V, AVC 01 mf, B+ bypass 220 pf, AVC coup. 2200 pf, AM bypass 03 mf, mx. input 100 pf, AM R-F :oil 01 mf, AM mix. coup, trimmer 3 to 12.5 pf FM osc. tuning AM-FM 3.9 pf, AM-FM R-F neut

21、. 150 pf, FM I-F-AM R-F bypass 100 pf. AM ant. 1500 pf 1st AM I-F 820 pf. 1st AM I-F .01 mf. B+ bypass 02 mf, AVC 01 mf. AFC bypass .01 mf. AM-FM R-F 4.7 pf. AM ant. coup. 7.5 pf. FM ant. pad. t r imme r 1 to 5 pf, FM ant. 02 mf, FM I-F-AM mix. .01 mf. 1st AM I-F .01 mf. I-F emit. .22 mf, AVC 2200 p

22、f, 2nd AM I-F 01 mf, lim. bypass .01 mf, B+ bypass elec., 5 mf, 15V. over- SERVICE PART NO. 30-1294-31 30-1294-30 30-1294-13 30-1294-32 30-2610-1 30-1294-6 30-1293-34 30-1294-29 30-1272-5 30-1293-32 30- 1294-6 31- 6520-37 31-2795-1 30-1221-14 30-1293-22 30-1293-32 30-4707*7 30-4707-6 30-1294-6 30-12

23、94*27 30-1294-6 30-1294-6 30-1221-13 30- 1293-31 31- 6520-36 30-4706-32 30-4706-22 30-1294-6 30-4706-29 30-4707-16 30-1294-6 30-1294-6 30-2610-1 QI5 HR20 AM-FM RF C42 TUNING CONDENSER 1 6 1 7 QI3 HR26 F.M. IF-A.M. 017 MIXER HR26 I F. AMP 018 HR27 LIMITER 012 HRI7A MX. AMP. Ic&U ft1 _ CT SR: A/ a5 ye

24、s * / Ur/ H lali r% ! 5? M-Mml r * V* OFF PHONO ii i i t c* D SI FUNCTION SW 1 I 02 05 HRie HR 5 R H AUDIO | :38KC.AMF flMp VRI hr!b LOUDNESS L H.AUDIO 06 010 HR 16 HRI4 I9KCAMP. R H. DRIVER “ 03 4 2 HRI4 VR3 BLE L H. DRIVER BASS -Oil HRI2 RH. OUTPUT - Q7 HRI2 L H OUTPUT - 04 HRI2 L H. OUTPUT 103 Bottom View - Top Components Location