RCA-Victor-Co-Inc-QU51C 电路原理图.pdf

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1、PAGE 5i1-C MODELS QU51C, QU51M and QU55 Chassis No. RC -568 RC -568A Seven -Tube and Magic Eye, Five -Band, Radio -Phonographs 4-44* QU51D1 Electrical and Mechanical Specifications FREQUENCY RANGES Standard Broadcast (A Band) 540-1,720 kc (556-174 m) Medium Wave (B Band) 3.0-9.5 me (100-31.6 m) 31 M

2、eter Spread Band 9.5-11.7 me (31.6-25.6 m) 25 Meter Spread Band 11.7-15.1 me (25.6-19.9 m) 19-13 Meter Spread Band 15.1-22.5 me (19.9-13.3 tn) INTERMEDIATE FREQUENCY 455 k TUBE COMPLEMENT (1) RCA-6SK7 (2) RCA-6SA7 1st (3) RCA-6SK7 I -F Amplifier (4) RCA -6U5 Tuning Indicator (5) RCA-6SQ7 2nd Det. A

3、-F Amplifier AVC (6) RCA-6AD7G Phase Inverter and Power Output (7) RCA-6F6G Power Output (8) RCA-5U4G(in QU51C and M) Rectifier (8) RCA -5T4 (in QU55). Rectifier PILOT LAMPS 2-Type 44, 6.3 volts, 0.25 amps. POWER SUPPLY RATINGS 105-125 volts, 50-60 cycles 115 watts* 105.125 volts, 25.60 cycles . 115

4、 watts* 100-130, 140-160, 200-250 volts, 50-60 cycles 115 watts* * Including phono motor. POWER OUTPUT QU51C Q51 QU55 Undistorted 9.5 watts 12 watts Maximum 11 watts 15 watts 3 TERM ar0 O - 57 RAD -PHONO 5w (SHOWN IN RAD. POSITION ) R (O 4IGH TONE CONTROL 500 M 223 82 M C54 .025I R11 LOW Tee.* CONTR

5、OL 1 MEG. LOUDSYEAKEIS RL7ON1 RL7ON3 RL71A4 Type 12 -in EM 12 -in. EM 12 -in. PM Used in QU51 Q1155 QU51 7z N yg -rl11 mTS86 f iaQ444Q 72255252 1919044111190 mOnOdaNj -N11dN19r L. O d N NA/Ne NW rc No l* 9 I, N V- .elk, 9Qg4Q,e O JA C,. G 48 n /40- -d 000 11 20 f _G N m N J 7,0 11 (1,N UN- a N O u r

6、u ,o- fki-f 11 e. m e 09 4Q / II. m, 00 PAGE 513-C U-5iC, -M, QU55 n N _ O w N g b J ne J11 4pr O d I m 4 d7 UN t watt Resistor -270,000 ohms, * watt Resistor -330,000 ohms, watt Resistor -470,000 ohms, 3 watt Resistor -1 meg., 1/10 watt Resistor -1 meg., watt Resistor -2.2 meg., 3 watt Resistor -10

7、 meg., * watt Screw-No. 8-32 square head set screw for drum Socket -7 contact socket located on rear apron of chassis Socket-Dial lamp socket Socket-Tube socket Socket-Tuning tube socket PAGE 515-C Replacement Parts (Continued) QU-5IC, -M, QU55 STOCK No. DESCRIPTION STOCK No. DESCRIPTION 31418 31261

8、 37993 35636 36815 34183 2917 37053 37994 37993 31373 38307 38308 13867 12079 11469 36145 31539 36146 37997 13867 38331 11469 36145 5119 31539 36146 37997 13867 36145 5118 38146 36461 12537 11315 4870 30716 36109 35629 36328 33680 38155 35387 36074 37839 36386 35392 36156 35391 38225 38303 30698 Spr

9、ing-Drive cord spring Spring-Retaining spring for oscillator coils core and stud assemblies Switch-Range switch Transformer-First I.F. transformer Transformer-Second I.F. transformer Transformer-Power transformer -110-125-150- 210-240 volts, 50-60 cycle Washer-C washer for tuning shaft CHASSIS ASSEM

10、BLIES QU55, RC568A (Same as QU51, RC568 except the following) DELETE Board-Antenna-Ground board Bracket-Pulley bracket assembly (long bracket) Switch-Range switch ADD Pulley-Drive cord pulley (-n. dia.) Pulley-Pulley (3 -in. dia.) and bracket assembly Switch-Range switch SPEAKER ASSEMBLIES (RL7ON1)

11、Cap-Dust cap Coil-Field coil, 1060 ohms Coil-Neutralizing coil Cone-Cone complete with Plug -5 prong male plug Suspension-Metal cone suspension Transformer-Output transformer SPEAKER ASSEMBLIES (RL7ON3) Cap-Dust cap Coil-Field coil, 1630 ohms Coil-Neutralizing coil Cone-Cone complete with voice coil

12、. Plug -3 -contact female plug for speaker cable. Plug -5 prong male plug for speaker Suspension-Metal cone suspension. . Transformer-Output transformer SPEAKER ASSEMBLIES (RL71A4) Cap-Dust cap Cone-Cone complete with voice coil Plug -3 prong male plug Suspension-Metal cone suspension MISCELLANEOUS

13、ASSEMBLIES QU51 Button-Plug button Capacitor -580 mmfd., for QU51C only Capacitor-.015 mfd., for QU51C only Capacitor-.025 mfd. Clip-Tuning tube clip Control-Bass tone control Control-Treble tone control Cover-Compartment leads cover Cup-Used needle cup Decal-Bass tone control decal. . Decal-Power-v

14、olume decal Decal-Radio-Phono switch decal Decal-Range switch decal Decal-Trade mark decal (His Masters Voice) Decal-Trade mark decal (RCA Victrola) Decal-Treble tone control decal Decal-Tuning decal Dial-Glass dial scale Hinge-Cabinet door hinge Hinge-Cabinet lid hinge 36593 13103 35814 35775 11891

15、 33774 31470 37998 36395 31048 38302 36246 30128 30492 14023 37800 33083 30900 35831 38301 14609 38303 30698 37998 38302 33083 35831 38704 38310 38382 38381 38309 36413 30650 35575 36414 36693 Indicator-Station selector indicator Jewel-Pilot lamp jewel Knob-Range switch or radio -phono switch knob K

16、nob-Tuning, volume control, treble or bass control knob Lamp-Dial lamp Mounting-Complete set of mounting hardware to mount one speaker Mounting-Motorboard spring mounting Plate-Dial plate complete-less dial, pointer, and tube clip. Plug -7 -prong male plug for radio -phono cable Plug-Phono ihput cab

17、le plug for QU51M Pull-Door pull and screw Receptacle-Packaged needle holder Resistor -12,000 ohms, watt Resistor -22,000 ohms, watt Resistor -82,000 ohms, watt Shade-Lamp shade Spring-Cabinet lid support spring Spring-Retaining spring for knobs Support-Cabinet lid support Switch-radio-phono switch

18、Transformer-Input transformer for QU51M. MISCELLANEOUS ASSEMBLIES QU55 (Same as QU51 except the following) DELETE Hinge-Cabinet door hinge Hinge-Cabinet lid hinge Plate-Dial plate complete-less pointer and tube clip Pull-Door pull and screw Spring-Cabinet lid support spring. Support-Cabinet lid supp

19、ort ADD Back-Cabinet back Board-Antenna-Ground Hinge-Cabinet lid hinge L.H Hinge-Cabinet lid hinge R.H. Plate-Dial plate complete-less pointer and tube clip Pull-Door pull Resistor -56,000 ohms, watt Spring-Cabinet lid support spring Support-Cabinet lid support L.H. Support-Cabinet lid support R.H.

20、w/k -11ML IORRFVOWMe COhTNOI 1 TaaIN6 CONTROL Gwa an u IMAGE COIITIfOI Q U55 FOR RECORD CHANGER REPLACEMENT PARTS SEE SERVICE NOTES ON RP -145E for MODEL QU-51C RP -152R for MODELS QU-51M and QU-55 lhighasst TREBLE TONE 4 CONTROL speech full (lasst louu) BASS TONE - CONTROL radio phono RADIO -PHONO

21、_ tly CONTROL Q U55 MAGIC EYE Shalt i+NO/N1 CdRROL QU51C and QU51M QU51 e_ TUNING CONTROL 31 B 25 RANGE CONTROL POWER -VOLUME CONTROL seih off, loud PAGE 698-C AUTOMATIC RECORD CHANGERS TYPE NO. RP -I32, RP -139, RP -1I0 and RP -1)45 Type RP -132 or Stock No. 9844. Uses a governor type motor. Models

22、 11QU and 12QU have a lever type speed control. Type RP -132 does not have pickup muting switch. Type RP -139 Uses an induction motor (not governor type). The turntable is driven thru a worm gear in the motor housing. Type RP -14o Uses agovernor type motor, has flat type pickup locating lever spring

23、 9M like RP -139. Type RP -145 Uses a capacitor induction motor. The turntable is driven thru a friction drive disc mounted on the turntable spindle. Variations of each type denoted by a suffix letter such as RP -139A, RP -145E, etc. indicate variations in tone arm style, motor switch, etc. Models Q

24、U-5, U-46 and QU-51 use a mercury switch to shut off the motor when. the pickup is on its rest. RP vs. MODEL NUMBERS QU-5 RP -145E 11-30 RP -132M U-123 RP -139B 11QU RP -132A U -4o RP -139A U-125 RP -132C 12QU RP -132A U-42 RP -145 U-128 RP -132 VA -22 RP -139D U-43 RP -145 U-129 RP -132C VA -22 RP

25、-145C U-44 RP -145 U-129 RP -132F U-25 RP -132M U-45 RP -139A U-130 RP -132C U-26 RP -132M U-46 RP -14o U-132 RP -132B QU-51C RP -145E U-134 RP -132B RECORDS RECORD -HOLDER SHELF RECORD-HOLDEP SPINDLE POST PICKUP - ARM PICKUP INDEX AND RECORD REJECT LEVER RECORD -HOLDER POST RECORD -HOLDER SHELF TUR

26、NTABLE TURNTABLE WITH RECORD IN PLACE. SWITCH NEEDLE ECREW/ IS INCH. NEEDLE MOLE MANUAL RP- 132 PICKUP REST NEEDLE GAUSS. PLATE NEEDLE EJECTOR TAW USED NEEDLE BOX REJECT 10 INCH These record changers are available for operation on volt- ages and frequencies as follows: RP -139-A 105-125 volts, 60 cy

27、cles, 21 watts RP -139-A 105-125 volts, 50 cycles, 21 watts RP -139-A 105.125 volts, 25 cycles, 22 watts RP -145 105-125 volts, 60 cycles, 15 watts RP -145 105-125 volts, 50 cycles, 15 watts RECORDS SPINDLE RECORD.NOLDER POST RECORD -MOLDER MIELP TURNTABLE WITH RECORD IN PLACE NEEDLE SCREW NEEDLE MO

28、LE IO INCH Motor Schematic R - 145 RECORD -MOLDER SHELF RECORO-HOLDER POST PICKUP -ARM PICKUP IND!X AND RECORD REJECT Leven PICKUP REST NEEDLE Ic 31159 Arm-Pickup arm complete-less crystal car - tridge, needle screw, and cable Cable-Pickup32635 lift arm cable and clips Cable-Output cable and plug 31

29、148 Escutcheon-Index escutcheon 32556 Model U-125 U-128 U-129 U 130 * 31156 Crystal-Pickup crystal cartridge and needle screw U-132 U-134 33114 Damper-Viscoloid damper for crystal armature 31873 Escutcheon-Speed regulator escutcheon 31160 91181 Screw-Pickup needle screw Shaft-Pickup pivot arm and .s

30、haft assembly Model 11QU 12QU Only 33098 Arm-Pickup arm, less crystal and cable 31151 Guide-Pickup lift cable guide (coil spring, 80T 2 -in. large) (2) U -2b. I)-28, -30, U-129 2nQ prod. 31150 Mounting-Pickup arm base rubber mounting complete 31155 Spring-Needle cup lid tension spring 32632 Crystal-

31、Pickup crystal cartridge and needle screw Models U-132 and U-134 Only OPERATING MECHANISM *NOT USED ON ALL TYPES 31134 Bracket-Pickup locating lever mounting bracket SEE SEPARATE LISTING (3) * 31144 Cam-Cam and gear assembly (4) 6808 31148 91129 31118 Clutch-Trip lever friction clutch assembly (5) C

32、oupling-Motor coupling complete with turn- edrive gear, rubber strips, motor coupling, a d drive a Cover-Cap for top of record post Finger-Trip lever frict on finger assembly (7) NOTE: RP -140 REPLACEMENT PARTS REFER TO MODEL U-46 91119 Gear-Long arm and rack gear for front left- hand record poet (8

33、) PAGE 498C 31120 Gear-Short arm and rack gear for rear right- hand record post (9) PAGE 706-C RP -132, RP -139, RP -040, RP -1145 Replacement Parts RP- 139, RP- 145 SERIES Insist on genuine factory -tested parts, which are readily identified and may be purchased horn authorized dealers. STOCK DESCR

34、IPTION STOCK N DESCRIPTION ASSEMBLIES (Model RP -139A) MODEL VA -22 2nd Production: The 2nd production of Model VA -22 uses 32956 Coil-Field coil and laminations for 25 cycle motor mechanism similar to RP -139A and RP -145. For replacement parts, refer to the Service 32955 Coil-Field coil and lamina

35、tions for 50 cycle motor Data on RP -139A and RP -145 as specified below: 32954 Coil-Field coil and laminations for 60 cycle motor Stock No. 32960 Gear-Motor spindle gear and pin PICKUP AND ARM ASSEMBLIES 32873 32872 Motor-Motor complete, 25 cycle, 110 volt AC Motor-Motor complete, 50 cycle, 110 vol

36、t AC Same as RP -145, except add: P 32871 Motor-Motor complete, 60 cycle, 110 volt AC 33905 Crystal-Pickup crystal cartridge and 30870 Plug -2 -prong male plug-used on motor leads needle screw for 25 -cycle only. 32959 32958 Spindle-Turntable spindle complete with metal pinion and fibre gear for 25

37、cycle motor Spindle-Turntable spindle complete with metal pinion and fibre gear for 50 cycle motor Spindle-Turntable OPERATING MECHANISM, MOTOR ASSEMBLIES, MOTORBOARD ASSEMBLIES For 110 -volt, 60 -cycles, same as 32957 spindle complete with metal pinion and fibre gear for 60 cycle motor RP -145. For

38、 110 -volt, 25 -cycles, same as 32875 Switch-Motor control switch (4) RP -139A. MOTOR ASSEMBLIES QU-5 and QU-51C (Model RP -145) OPERATING MECHANISM 36607 Armature-Complete motor armature and shaft 10129 Ball-Steel ball for turntable bearing for 50 cycle motor 33984 Bracket-Record discriminating lev

39、er mounting 34513 Armature-Complete armature and shaft for 60 bracket (3) 34512 cycle motor Cap-Bakelite cap for motor 32556 33987 Cable-Pickup arm shielded cable (8) Cam-Cam and drive gear (42) 34365 Capacitor -1.25 mfd., for 60 cycle and 50 cycle motor (38) 6808 34369 Clutch-Trip lever clutch (5)

40、Cup-Turntable bearing cup (36) 36114 Motor -105-125 volts, 50 cycle motor complete 34367 Disc-Turntable drive disc and tire (39) 34364 with capacitor (37) Motor -105-125 volts, 60 cycle complete with 31116 32879 Finger-Trip lever friction finger (7) Gear-Long arm and rack gear (41) capacitor (37) 32

41、880 Gear-Short arm and rack gear (40) MOTORBOARD ASSEMBLIES 31121 34368 Gear-Record separator shaft gear (10) Grommet-Rubber grommet for motor mounting (48) QU-5 and QU-51c 31151 Guide-Lift cable guide spring (2) 33982 Guide-Main spring guide (11) 33998 Base-Pickup arm mounting base 34370 Idler-Turn

42、table idler wheel and arm (39). 35847 Bearing-Turntable bearing (36) 34000 Lever-Index lever (12) 36112 Board-Motorboard complete with bearings and 31138 Lever-Locating lever and pawl (14) post-less operating mechanism 33985 Lever-Main lever (15) 33999 Cup-Used needle cup, lid, and pickup arm rest 3

43、4007 Lever-Mercury switch actuating lever (51) (6) 34002 Lever -10 inch and 12 inch record discriminat- 33997 Escutcheon-Index escutcheon ing lever (17) , 31150 Mounting-Pickup arm base rubber mounting 31140 Lever-Pickup lift cable lever and spring (16) complete 31130 Lever-Record separator elevatin

44、g lever with 31155 Spring-Used needle cup lid spring adjustment screws (18) 31132 Lever-Trip detaining lever (19). MOTORBOARD ASSEMBLIES 36115 Lever-Trip lever and cam complete (20). VA -22 (1st Prod. and 1 U-iy 9 31131 34086 Lever-Trip regulator lever (21) Link-Index lever setting link and button 3

45、1149 Base-Tone ar mounting base m 34004 Link-Roller index link 32876 Board-Motorboard complete with all riveted and 31137 Pawl-Index lever pawl (13) welded posts and brackets - less operating 31133 Pawl-Trip pawl assembly (22) mechanisms 31535 Pin-Drive pin for turntable drive disc (24). 14209 Bumpe

46、r-Main lever rubber bumper (1) 31124 Pin-Pin to fasten gear on record separator shaft 9848 32877 Cup-Used needle cup, rest, and lid complete Escutcheon-Index escutcheon (2331118 Screw-Cone pointed set screw for record sepa - 31151 Guide-Pickup lift cable guide (coil spring, 80T rator shelf (H and D)

47、 2 -in. large) (2) 33983 Screw-Record separator elevating lever pivot 31150 Mounting-Pickup arm base rubber mounting screw complete 31117 Screw-Special to adjust friction clutch (B). 31155 Spring-Needle cup lid tension spring 34001 Screw-Record separator elevating lever ball point screw (G) MOTORBOARD ASSEMBLIES 33990 Separator-Record separator knife (25) (Model RP -139A) 33988 33989 Shaft-Record separator shaft (34) Shelf-Record separator shelf (27) 33981 33978 33909 Base-Pickup arm mounting base Board-Motorboard complete with bearings and posts less operating