RCA-Victor-Co-Inc-9QK 电路原理图.pdf

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1、PAGE 227-0 FREQUENCY RANGES Standard Broadcast (A Band) Medium Wave (B Band) 31 Meter Spread Band 25 Meter Spread Band 19 Meter Spread Band 16 Meter Spread Band 13 Meter Spread Band 11R8 - Model 9QK Models 901 and 90K Chassis No. RC -444 and 444A Nine -Tube, Seven -Band, A -C, Receivers Model 9Q1 El

2、ectrical Specifications .540-1,720 kc (556-174 m) 3 0 -9.5 mc (100-31.6 m) 9 5 -11.7 mc (31.6-25.6 m) 11.7-15.1 mc (25.6-19.9 m) 15.1-17.75 mc (19.9-16.9 m) 17.75-18.1 mc (16.9-16.6 m) 21.42-22.4 mc (14.0-13.4 m) INTERMEDIATE FREQUENCY 455 kc POWER SUPPLY RATINGS Symbol Voltage Rating A 105-125 Rati

3、ng B 105-125 ,. 25-60 . 100 Rating C 100.130,140.160,195.250 . 40-60 . 100 Calibration Scale pmgnnimi mpnnpnlrmpnlpmpnlpwrilmpinimpiti rmpmirmpmimpnrpm puritipmputil inniiimpi rnitu ipil O 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Frequency Watts (cycles) 50.60 . 100 TUBE COMPLE

4、MENT (1) RCA-6SK7 R -F Amplifier (2) RCA -6S7 1st Detector (3) RCA-6SA7 Oscillator (4) RCA -6B8 I -F Amplifier, 2nd Det., A.V.C. (5) RCA-6SC7 A -F Amplifier, Phase Inverter (6) RCA -6F6 -G Power Output (7) RCA -6F6 -G Power Output (8) RCA-6U5/6G5 Tuning Indicator (9) RCA -5Y3 -G Rectifier LOUDSPEAKE

5、R 9Q1 9QK Model (RL -63K-5) (RL -70J-3) Type 8 -inch 12 -inch Electrodynamic Electrodynamic V.C. Impedance at 400 C.P.S. 2.2 ohms 2.2 ohms PILOT LAMPS (3) Mazda 51, 7.5 volts, 0.2 amp. POWER OUTPUT RATING Undistorted 4.5 watts Maximum 5 watts KC 550 600 700 800 1000 1200 1400 1700 A HAND MC 3.2 3.5

6、TROPICAL 4.0 AMATEUR TROPICAL 95 96 98 100 MC TURNI, lAIN MI r1(U IN IANU AU.IRALIA 1RAN(1 N11111 .I111 INDIA I.IRMnNI ITALY (DNA 11.1 11.8 12.0 MC UNITED STATES -NORWAY - GERMANY -HOLLAND CURA -ENGLAND- JAPAN- FIANCE - ITALY 5.0 6.0 1.0 8.0 9.0 B 49M BAND 40M AIRCRAFT 11 0 11 5 12.5 13.0 13.5 14.0

7、15.0 AMATEUR 15 151 155 MC LINTII I. STATI. I AND RUSSIA VATICAN HOLt ANZI TWANG IIA)? PERU TURNI? HUNOAR? JAPAN MC MC 16 0 11 74 11 16 17.80 11.85 UNIED STATES -GERMANY -ENGLAND GUATEMALA -HOLLAND -VATICAN 214 2158 2160 UNITED SIAIT, INI.IANIF CHINA IAPAN (.IRMANY CANADA NORWAY ITALY 1WITJIRI AND 1

8、6 5 11.90 170 18.00 1 7 5 21 80 22 00 25 R 19M 16A4. 13M HAND 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 11lllluu1u11hu11uuhm1uuluu3uuluu3uu11111m11I11111111111111111111111111111d111111III11I11111111IIIIII111111IIIIII1 IIII1mh1mi11111IIIIIIIIII11II11111) Receiver Dial Scales, a

9、nd Corresponding 0-180 Calibration Scales RCA VICTOR DIVISION OF RADIO CORPORATION OF AMERICA, CAMDEN N. J., U. S. A 收音机爱 好者资料库 RadioFans.CN PAGE 228-C 9Q1, 9QK L7? I- ? t O ro lAo my C) c c a, ri J d a, m U Q 2 O 2 ;,.2. F O. E y ; w 7 O 0. N O C 22 .c .y v e N2 u a 0 Q tll(.q, r A5sv1 CO Lai p b u

10、 1:09 oau ,9,uApm i VV. R LL,O L3-8,-2 o r QO: . .o CI V 4 He Av N Oi r y J ZJ jp_- oo- F o Lu t . OooOtYy 0000L I rA-1l, E i NO V Ny, 1H 11 T 21 h LL 4w V VOF rFe zIHI, CH _ $ v000:Z Sa z _o r 3 QNC Y O1. / Fm 111 S u AJ J 1 0161111 ota 0-e e ,C le 收音机爱 好者资料库 RadioFans.CN PAGE 230-C 9Q I , 9QK Alig

11、nment Procedure Cathode -Ray Alignment is the preferable method. Connections for When a test oscillator is employed for spread -band alignment, a the oscillograph are shown in the chassis drawing, final check should be made on actual reception of short-wave stations Output Meter Alignment.-If this m

12、ethod is used, connect the of known frequency, and the magnetite -core oscillator coil for each meter across the voice coil, and turn the receiver volume control to band should be re -adjusted so that the stations come in at the correct maximum. points on the dial. Test-Oscillator.-For all alignment

13、 operations, connect the low side For additional information, refer to booklet RCA Victor Receiver of the test -oscillator to the receiver chassis, and keep the output as Alignment. low as possible to avoid a -v -c action. Calibration Scale on Indicator -Drive -Cord Drum.-The tuning dial is fastened

14、 in the cabinet and cannot be used for reference during align- LI2-OSC. L13-OSC LI4-OSC LI5-OSC. L16-0SC LIT-OSC. tTA.F., PHASE ment, therefore a calibration scale is attached to the indicator -drive 3 MC 9.5MC 11.8MC 15 26,1C n.,s MC/2,-561C INVERT. cord drum which is mounted on the shaft of the ga

15、ng condenser. The V V / / 1 - setting of the gang condenser is read on this scale, which is calibrated ca D in degree_ The correct setting of the gang in degree;, for each align- ment frequency, is given in the alignment table. C24-DET. 9.5 Mc To determine the corresponding frequency for any setting

16、 of the t / V TUNING -n EYE N CD-DSC. - 9.5 MC e 6SC7 5 calibration scales, refer to the accompany drawing which shows p- p v oie C,19: the dial with 0-180 calibration scales drawn at top and bottom IoonDCT- .,C _? C44 C30 v Pointer for Calibration Scale.-Improvise a pointer for the calibra- R.F. os

17、a , A C16-OSC OUTPUT -.- CID 11.r tips scale by fastening a piece of wire to the gang -condenser frame, et -ANT./ to the OC mark I 6SK7 6SA7 DSC bend the that it the and wire so points on calibra- n.8 MC tion scale when the plates are fully meshed. J Dial -Indicator Adjustment.-After fastening the c

18、hassis in the C2 -ANT 9.5 MC cabinet, attach the dial indicator to the drive cable with indicator at / the 530 kc mark, and gang condenser fully meshed. The indicator has -. -, t 3 I500KC 91 5 L11 -05C j 600 KO RECT. 6$A7 F 6B6 F,i . TRANS Ti a spring clip for attachment to the cable. 03 -ANT. 1500

19、RC OCTIse . 2 / 4 ,TRARJ .l / I.F,20 DU., AMC Spread -Band Alignment.-The most satisfactory method of aligning SEC. P L27 -ADJ. NO. L29 -SEC. 951 A -444 or checking the spread -band ranges is on actual reception of short 955 K SEC.C. JACK ass ne wave stations of known frequency, by adjusting the mag

20、netite -core 56-1013 oscillator coil for each band so that these stations come in at the correct points on the dial. Tube and Trimmer Locations Steps Connect the high side of test-osc. to- Tune test- osc. to- Range switch Turn radio dial to- Adjust the following for max. peak output 1 6B8 I -F Grid

21、in series with .01 mid. Quiet Point L29 and L28 (2nd I.F. Trans.) 2 8SA7 1st Detector Grid in series with .01 mfd. 455 kc A Near 0 L27 and L26 (1st I.F. Trans.) 3 9.5 me 31M 20 L13 (osc.)* C24 (det.)f C2 (ant.) 4 11.7mc 171 C16 (osc.)* 4A Antenna Terminal in series with Check to determine turning ra

22、dio to 10.8 that C16 has me (141) where been adjusted a weaker signal to the correct peak by should be received. 300 ohms 9.5 mc B 180 C11 (osc.)* 5A Check to determine turning radio to 8.6 that C11 has me (156) where been adjusted a weaker signal to the correct peak by should be received. 6 3.0 me

23、B 0 L12 (osc.)* (Rock Gang) 7 Antenna Terminal in series with 1,500 kc A 149 C10 (osc.) C3 (ant.) C25 (det.) 8 200 mmf. 600kc 27 L11 (osc.) (Rock Gang) 8A Repeat steps 7 and 8. 9 Antenna 11.8 me 25M 33 L14 (osc.)* C20 (det.)t Cl (ant.) 10 Terminal in series with 300 15.2 me 19M 37 L15 (osc.)* 11 ohm

24、s 17.75 mc 16M 40 L16 (osc.)* 12 21.5 mc 13M 55 L17 (osc.)* * Use peak with plunger out if two peaks can be obtained. * Use peak with plunger in if two peaks can be obtained. t Rock gang condenser slightly while peaking. Use maximum capacity peak if two peaks can be obtained. Note: Oscillator tracks

25、 above signal on A, B, 31M, 25M and 19M bands; below signal on 16M and 13M bands. TENSION SPRING BROWN PACE 231-C 9Q1, 9QK D 9 AND ._ H,e . / i T: - BAND INDICATOR _ PULLEYS - - / r/ % INDICATOR - CORO PULLEYS / OR U NI f YLASLK 11,41v SRO LA L aoenl1 BLACK RED RED- BLACK RED CONNECTIONS NEUl COIL S

26、 6 OUTPUT RATES o BLACK 9O- -BLKTO OUTPUT SCREENS BROWN -RECTIFIER OF SPEAKER L CABLE YOKE COIL 13 meters 31825 12079 Cap -Dust cap Coil -Field coil 34649 Coil -Antenna coil, A hand 114i$ Coil -Neutralizing coil 34647 Coil -Antenna coil, B and 31 meters . - 31275 5039 Cone -Cone complete with voice

27、coil Plug -4 prong male plug for speaker 34652 Coil -RF coil, A band 14534 Transformer -Output transformer 34651 Coil -RF coil, 25, 19, 16, 13 meters 34650 Coil -RF coil, B and 31 meters. MISCELLANEOUS ASSEMBLIES 31782 Coil -Oscillator cOil for A band 34859 Coil -Oscillator coil for B band and 31 me

28、ter 34268 Cap -Rubber cap for Magic Eye bands 34285 Clip -Magic Eye clip drive 34661 Coil -Oscillator coil for 13 meter band 32634 Cord -Band indicator cord 34657 Coil -Oscillator coil for 18 meter and 19 meter 34674 Dial -Glass dial scale bands 34673 Frame -Dial frame assembly complete with 34858 C

29、oil -Oscillator coil for 25 meter band frame, brackets and stud less dial, pointer, 34645 Condenser -Variable tuningcondenser pointer rod, band indicator, band indicator spring, Magic Eye clip, cord. 34666 Control -Tone control 34678 Indicator -Band indicator disc 34667 Control -Volume control and p

30、ower switch 34490 Knob -Range switch knob 34662 Cord -Tuning condenser drive cord 34677 Knob -Tone control knob 34392 Drum -Variable tuning condenser drive drum. , - 34489 Knob -Tuning or volume control and power 11765 Lamp -Dial lamp switch knob 5040 Plug -4 contact female plug for speaker 34675 Po

31、inter -Station selector pointer and carriage. 34663 Pulley -Range switch pulley and hub 34491 Shaft -Pointer carriage guide shaft 14281 Resistor -68 ohms, watt (Rl) 34678 Shafts -Tone control extension shaft for Model 30545 Resistor -180 ohms, watt (R4) 9QK 30735 Resistor -560 ohms, 1 watt (R17) 307

32、56 Spring -Band indicator drive cord spring 12955 Resistor -3,900 ohms, I watt (R9) 4982 Spring -Retaining spring for knob Stock No. 14559 Resistor -10,000 ohms I. watt (R16) 34489 33489 Resistor -15,000 ohms 2* watt (R8, R22) 14270 Spring -Retaining spring for knob Stock No. 14284 Resistor -22,000 ohms 1/10 watt 34490 and Stock No. 34677 13998 Resistor -22,000 ohms I watt (R5) 33726 Washer -C washer for indicator Stock No. 12454 Resistor -33,000 ohms watt (R23) 34678 14560 Resistor -100,000 ohms * watt (R8) 12285 Resistor -470,000 ohms watt (R14, R15, R19, R20)