RCA-Victor-Co-Inc-HF-2 电路原理图.pdf

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1、PAGE 44-C MODELS HF -2, HF -4, U-1 30 Twelve -Tube, Five -Band, Electric -Tuning, A -C, Radios and Victrola Modcl HF -2 Model HF -4 Model U-130 Electrical Specifications FREQUENCY RANGES R -F ALIGNMENT FREQUENCIES Standard Broadcast (A) 540.1,720 kc A Band 600 kc (osc.); 1,500 kc (osc., det., ant.)

2、49 Meter Band 5 92.6.23 me 49 M 6,0 me (osc.) 31 Meter Band 9.48.9.69 me 31 M 9.60 me (osc., det., ant.) 25 Meter Band 11.68.11.94 me 25 M 11.8 me (osc.) 19 Meter Band 15.08-15.39 me 19 M 15.2 me (osc.) Intermediate Frequency 455 kc RCA TUBE COMPLEMENT (1) RCA -6K7 R -F Amplifier (5) RCA -6K7 2nd I

3、-F Amp. (9 ) RCA -6F6 Power Output ( 2 ) RCA -6A8 First Detector (6) RCA -6R7. 2nd Det.,lstA.F.,A.V.C.,Muting (10) RCA -6F6 Power Output (3) RCA -6J7. Heterodyne Oscillator (7) RCA -6J5 2nd A.F. Amp. (11) RCA -6U5. Tuning Indicator ( 4 ) RCA -6K7 1st I -F Amp. (8) RCA -6J5. Phase Inverter (12) RCA -

4、5T4 Rectifier Pilot Lamps: (4) 3-6.3 V., 0.25 Amp. Mazda No. 44; 1-6.3 V., 0.15 Amp. Mazda No. 47 POWER SUPPLY RATINGS (Model U-130) Rating A6 Rating A Rating B2 Rating C6 Rating C POWER SUPPLY Rating A Rating B Rating C POWER OUTPUT Undistorted Maximum MAGIC EYE Radio Only Total 105-125 volts, 60 c

5、ycles, 125 watts 150 watts 105-125 volts, 50-60 cycles, 125 watts 150 watts 105-125 volts, 25 cycles, 125 watts 150 watts 105,130/1 40440/200,250 volts, 60 cycles, 125 watts 150 watts 105.130/140.160/200.250 volts, 50.60 cycles, 125 watts 150 watts RATINGS (Models HF -2 and HF -4) 105-125 volts, 50-

6、60 cycles, 125 watts 105-125 volts, 25- cycles, 125 watts 100.130/140.160/195.250 volts, 50-60 cycles, 125 watts 10 watts 12 watts LOUDSPEAKER Type 12 -inch Electrodynamic Voice Coil Impedance 2.2 ohms at 400 cycles PHONOGRAPH (Model U-130 only) Type Automatic Record Capacity Eight 10 -inch, or ,eve

7、n 12 -inch Turntable Speed 78 r.p.m. (Adjustable) Type Pickup Crystal Pickup Impdance 80,000 ohms at 1,000 cycles ADJUSTMENTS FOR ELECTRIC TUNING .i r , .K. POWER -VOLUME FIDELITY TUNIN4 CONTROL CONTROL Figure 1-Location of Controls s N RAN4E SELECTOR RAN4E INDICAT00. The left-hand push-button is a

8、Victrola-Attachment switch. The right-hand push-button is for dial tuning. 1. Make a list of the desired eight stations, arranged in order from low to high frequencies. 2. Turn range selector to A band, turn power on, and allow a few minutes for warming up. 3. Turn Fidelity Control maximum counter -

9、clockwise. 4. Press down the dial -tuning (right-hand) button. 5. Manually tune in the first station on the list, using the Magic Eye for accurate tuning. 6. Hold down the dial -tuning button, and press down station button No. 1 (second from left). Both buttons will stay down, central dial lamp will

10、 light brightly or dully, depending on which side of disc, contact is. Move station -setting contact No. 1 to the insulating line on the disc at rear of gang. When the contact is correctly centered on the insulating line, the central dial lamp will go out. 7. Press down any other button in order to

11、release the dial -tuning button and station button No. 1. Then press down station button No. 1 again. The electric tuning mechanism will function to tune in the station, and the central dial lamp will stay on. 8. Repeat this process for the remaining stations. RCA VICTOR DIVISION OF RADIO CORPORATIO

12、N OF AMERICA, CAMDEN N. 1., U. S. A. 收音机爱 好者资料库 RadioFans.CN z I M 00 ebb 4ba I I Z r voooel urvool Et, z N 1Vlol tory 931z ea 10b1NOO 31(1101 ta v0000t4 v000Y v00op d000b0l S m 4 too ea ,f boo p mi u_ VVV a y fi O C tl fl + ln w3s17Ys nJ2m2 J 39 1 UfLYQQQoVYio/ U 000000060o601; 2S a1NO710A NO SS 4

13、_To 094 .e. *g 001 m a LLf o J T i4 PAGE s s-C HF -2, HF -i, U-130 E 3 a u v E N .1;), a.3. e - o c E p o 0. 0o b .aU- % E p -O O O O CL v=, C m Q C y 3 O C C .:L y CO 2W E N n -2 N N O .-1 .a w v CJ c? E E E E 0 TJ -1 oi u 4- . C m ro r p ca, -o Q; 5 V , 55 c4 g .v, -c 2_- a a aEaLa4. C 00 . M 2,9.

14、 . E C C y C C v v v01 C O L h O u uL ,. , -p d . p L d c ; dg c3 3 C N c a p E u C C OV C 2 C % b.D v O . C . c.,G, C.D 4 E C. oo cvv EU c v J uW tlilfmlI mW mlmQlm 1Q00QQp0001 IQJ, zvaiv 0A NVlB NR113A - 7nle o mono C O O eD VJ ) Cti 1.n y y N le y y Ol Ci y o E ? Y G a.u O d cm, d ; ; d 8 le 7 .

15、t, : + p n7 y w a mo. cg d o w .O t., 7 CC C b V O b . 73a dp . C Av b D Y a C Cogm.J: Q u 3 u o acb 4 .C . u ro b 1 m Y rd 4 ep Cya3. p,. m d. Z25d y e oDo co3 y.? y.wV. o 3 m43 E 收音机爱 好者资料库 RadioFans.CN PAGE 17-C HF -2, H F-)4, U-13( .7-, - INOICRTOR DRIve- COMO 3/55y (, h PULLS 5,280 INDICATOR DR

16、IVE CORD 31281 r423N - 312i - IN I 4. -ORVM - I, sTFC / IN REAR / .OF SPRING f DRUM 13638- I DRUM j 31273 j TART. 1/4 SPRING 1INICATOR- 31279 31277 STRIP TUNING KNOB ems, 11111116,1.11 p,EjpR! PULLCV 31271 TUNING KNOB SHAFTCONDENSER PULLEY 31271 77,-., DRUM DRIVE l GIRD 31283 COR 31278 CORD 912E (1N

17、 FRDNTppp IN FRONT GROOVE SN -623 3TURN3 OF DRUM) BANG -SWITCH SHAFT PULLEY 31272 5TU5N SN 550 BAND INDICATOR (TUNING CONDENSER IN FULL MESH POSITION) DRIVE CORD (TUNING CONDENSEZ IN FULL MESN POSITION) Models HF -4, U-130 Model HF -2 Drive Cord Arrangement for Tuning Condenser, Dial Indicator, and

18、Band Switch ALIGNMENT PROCEDURE . Pointer for Calibration Scale.-Improvise a pointer for the SEC LOTD7 2 T DETECTOR calibration scale byfasteningapiece of wire to the gang 455 KC AVC condenser frame, and bend the wire so that it to the TUNING TUBE - points A.c 0 mark on the calibration scale when th

19、e plates are fully CI CI . meshed. Dial -Indicator Adjustment.-After fastening the chassis in 96Kc 1s l c2 o 31 6R7 ANT F 7 AF the cabinet, attach the dial indicator to the drive cable with indicator at the 530 kc mark, and gang condenser fully DET.CIO 26008C.-RAFISoo I 6X1 DST. Cr 4 I 3 B t,- lit T

20、RANS NV - ER 2 IF OTT s, meshed. The indicator has a spring clipfor attachment toK cable. osc.caa soolc3 theSpread-Band 1c55 s 6N7 1 OUTPUT-_.0- Alignment.-The 611 -C. 6A8 2 most satisfactory method of aligning or checking the spread -band ranges is on actual osc. a OD mo TRANS L21 /gizsg Extil 02n1

21、 Lzz reception of short-wave stations of known frequency, by DSc DSc. osc 050 DSc 5,200X2 600X 4100X19600. 11,800X0. R7F adjusting the magnetite -core oscillator coil for each band so 4 6K1 I e Ti that these stations come in at the correct on the dial. 5N-824 I 1F 1; points When a test oscillator is

22、 employed for spread -band align- A3 AC A, G I L I5 sec. LIB 55G ment, a final check should be made on actual reception of ADJ. 455 KC ADO 435 KC short-wave stations of known fre uenc and the ma netite. CAUTION THIS ADJ. SCREW MUST PROJECT AT LEAST 34 q y, g FROM TOP OF CHASSIS TO PREVENT SHORTING +

23、6. core oscillator coil for each band should be re -adjusted so Tube and Trimmer Locations that the statons come in at the correct points on the dial. Steps Connect the high side of test -oscillator to- Tune Test- Oscillator to- Range Selector Set Tuning Gang to- Adjust the following for max. peak o

24、utput No.1 Turn Fidelity Control to Maximum Counter -clockwise position. No. 2 6K7 2nd I -F grid cap in series with .01 mfd. 455 kc A Quiet Poin between t 550-750 kc L26, L27 (3rd I -F transformer) No. 3 6K7 1st I -F grid cap in series with .01 mfd. 455 kc A Quiet Point L17, L18 (2nd I -F transforme

25、r) No. 4 6A8 1st-det- grid capbetween in series with mfd.455 kc A 550-750 kc L14, L15 (1st I -F transformer) No. b A2, in series with 100 mmf. A3 to Chassis.1,500 kc .Al5) C39 (osc.) C3 (ant.) C8 (det.) No. 6 A2, in series with 100 mmf. A3 to Chassis. 600 kc .A 600 kc (30.0) L25 (osc.) No. 7 AZ in s

26、eries with rand. mf. A3 to Chassis. 1,500 kc A 1,500 kc (151.5) C39 (osc.) No. 8 A2. Connect Al to chassis. 6,100 kc 49M 6,100 kc (106) L24 (osc.)* No. 9 A2. Connect Al to chassis. 9,600 kc 31M 9,60(0kc (1 -D) L23 (osc.)* C4 (ant.) C10 (det.) No. 10 A2 Connect Al to chassis. 11,800 kc c2,5,M 11,800

27、kc (90.0) L22 (osc.)* No. 11 A2. Connect Al to chassis. 15,200 kc 19M 15,200 kc (78.0) L21 (osc.)* * Use maximum inductance peak (plunger in) if two peaks can be obtained. * Use minimum inductance peak (plunger out) if two peaks can be obtained. Note that oscillator tracks above signal frequency on

28、all bands except 40D, where it tracks below. PAGE ig-C HF -2, HF -4, U-130 Innllnllnnlnnlmqnnlinrpnrlllnpminnpminnlunlnnlnnlnnliulmqnnlnrqnnlnnpnllnupminnlmilnnlnnnrllnnlnnllminnlnn 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 1111. U H e ,000.1 0090. ix Metu1.05 11011 .Dv 5(M1M

29、.11.1.8 1111,e5/ ( , 1M1 .l AM 31 Mc 9.50 9.55 9.60 9.65 Mc 49 -1,.-, DUA10M000 CUT 10M 10.0. 1000010 1000.10 100000 000000 .1.OMI0 011110 (II 0Y0.C*1.O VATICAN CU, 11010 WI1(040 (M.w . 10. 011150. *10(01 1001110 (111 - - - - 0 C0100 - 49 a Mc 5.95 6.00 6.05 6.10 6.15 6.20 Mc 0 10 20 30 40 50 60 70

30、80 90 100 110 120 130 140 150 160 170 180 luu6wluuhuiluuluuluuhuiluuluuluuluuluuluuluuluuluuhullurrllrrilliululiluuhwuuhuiluu6uiluulmwhulluuluuuuhwl Reduced Reproduction of Receiver Dial, and Corresponding 0-180 Calibration Scales REPLACEMENT PARTS nsist on genuine factory -tested parts, which are r

31、eadily identified and may be purchased from authorized dealers. STNo.OCK DESCRIPTION STOCK DESCRIPTION RECEIVER ASSEMBLIES 30882 Capacitor-.05 mfd. (C30) 4839 Capacitor -0.1 mfd. (C6, C16, C25, C60, C69) 31492 Bearing-Variable condenser motor rotor adjust- 30965 Capacitor -0.25 mfd. (C74) ment beari

32、ng-less bracket and cup assembly 12484 Capacitor -0.25 mfd. (C46, C61, C83) -Model U-130 only 30867 Capacitor -0.5 mfd. (C22) 31253 Board-Antenna and ground terminal board- 31553 Capacitor-Comprising 2 sections each 16 mfd. Models HF -2 and HF -4 (C32, C66) 31531 Board-Antenna and ground -terminal b

33、oard- 31495 Capacitor -20 mfd. (C31) Model U-130 only 31544 Clutch-Variable condenser drive gear clutch and 31276 31282 Bracket-Band indicator mounting bracket com- plete except less band indicating strip, cord, and tension springEy Bracket-Magic Eye bracket and holder 31237 pinion gear-engages pin

34、on motor shaft -25 cycle models only Clutch-Variable condensef drive gear clutch and 31491 Bracket-Bracket and bearing cup for variable condenser motor rotor adjustment - Model pinion gear-engages pin on motor shaft -50 - 60 cycle models only U-130 only 31263 Coil-A band antenna coil (L5, L7) 30766

35、. Cap-Magic Eye rubber cap 31264 Coil -19, 25, 31, and 49 meter bands antenna 12884 Capacitor-Trimmer capacitor 2-20 mmfd. (C4, coil (L1, L2, L3, L4, L6) C10) 31257 Coil-A band oscillator coil (L25) 12714 Capacitor-Trimmer capacitor 2-12 mmfd. (C39) 31258 Coil -19 meter band oscillator coil (L20, L2

36、1) 14392 Capacitor -4.7 mmfd. (C65) 31265 Coil-A band r -f coil (L12, L13) 31252 Capacitor-Adjustable trimmer 5-80 mmfd. (C1) 31266 Coil -19, 25, 31, and 49 meter bands r -f coil 12896 Capacitor -15 mmfd. (C51) (L8, L9, L10, L11) 31353 Capacitor -15 mmfd. (C43) 31254 Coil -25 meter band oscillator c

37、oil (L22) 31350 Capacitor -18 mmfd. (C38) 31255 Coil -31 meter band oscillator coil (L23) 31354 Capacitor -33 mmfd. (C48) 31256 Coil -49 meter band oscillator coil (L24) 13545 Capacitor -39 mmfd. (C68)-Model U-130 only 31234 Condenser -3 -gang variable condenser (C2, C3, 31349 Capacitor -82 mmfd. (C

38、37) C7, C8, C35) 12720 Capacitor -100 mmfd. (C18, C47) 31345 Contact-Push button switch contacts-compris- 31270 Capacitor -100 mmfd. (C17, C20) ing 10 contacts riveted on insulating strip. 12724 Capacitor -120 mmfd. (Cis, C41, C42) 31344 Contact-Push button switch contacts-compris- 31351 Capacitor -

39、190 mmfd. (C40) ing 13 contacts riveted on insulating stop. 12952 Capacitor -330 mrnfd. (C62) 31231 Contact-Contact tip for station selector plunger 31348 Capacitor -510 mmfd. (C34) 31278 Cord-Band indicator drive cord 31552 Capacitor -680 mmfd. (C70, C71, C72, C73) 31281 Cord-Indicator pointer driv

40、e cord-Model HF -2 14498 5107 Capaditor-680 m mf. (C75) Capacitor-.0025 mfd. (C19, C49, C64) (C49 31554 only Cord-Indicator pointer drive cord-Models HF - -Model U-130 only) - 4 and U-130 only 4838 Capacitor-.005 mfd. (C23) 31283 Cord-Variable condenser drum drive cord. A 4858 Capacitor-.01 mfd. (C9

41、, C45) 31260 Corr-Adjustable core and stud for band 14393 Capacitor-.01 mfd. (C5, C12, C24, C33, C49, oscillator coil C50, C67) (C49-Models HF -2 and HF -4 31269 Core-Adjustable core for i -f transformers only) (C67-Model U-130 only) 31259 Core-Adjustable core and stud for 19, 25, 31, 11315 Capacito

42、r-.015 mfd. (C21) or 49 meter band oscillator coils 4870 rapacitor-.025 mid. (C26) 31273 Drum-Indicator drive cord drum PAGE j.q-C HF -2, HF -4, REPLACEMENT PARTS (Continued) U -13C STOCK NST1OCK DESCRIPTION o. DESCRIPTION 31240 Flywheel -variable condenser wive motor ny- wheel 31245 Support -Variab

43、le condenser motor mounting support and studs -25 cycle models only - 31239 Gear -Variable condenser knob shaft drive gear Models HF -2 and HF -4 only 31545 and hub 31489 Support -Variable condenser motor mounting Gear -Variable condenser intermediate drive gear and pinion gear -25 cycle models only

44、 support and studs -50-60 cycle models only -Model U-130 31238 Gear -Variable condenser intermediate drive gear 31244 Support -Variable condenser motor mounting 31277 and pinion gear -50-80 cycle models only. Indicator -Band indicator strip -Models HF -2 support and studs -50-60 cycle models only -M

45、odels HF -2 and HF -4 only 31555 11891 and HF -4 Indicator -Band indicator strip -Model U-130 31360 Switch -Pickup switch for mounting on push button switch (S7) 31480 31243 Lamp -Dial lamp Lamp -Tuning indicator pilot lamp Leather 31312 Switch -Push button switch and bracket as - sembly 31346 31246

46、 -Friction leather insert for flywheel. Lock -plate -Push button switch lock-plate-com- prising 10 contact locks in one strip Motor -Variable condenser drive motor for 25 cycle models (M1) 31247 31546 31565 Switch -Range switch (S1, S2, S3, SI) Tone Control and fidelity switch (R11, S8) Transformer

47、-First i -f transformer (L14, L15, C70, C71, L18 ) 31235 Motor -Variable condenser drive motor for 50- 31551 Second i -f transformer (L17, L18, TrL19, 60 cycle models (M1) C 72, C73) 31228 Plate -Station selector contact -less plungers. 31549 Transformer -Third i -f transformer (L26, L27, 31227 Plate -Station selector mounting - mounts on C17, C20) 30868 rear of variable condenser Plug -2 -contact female plug for motor power 31226 Transf