RCA-Victor-Co-Inc-6K2 电路原理图.pdf

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1、PAGE 6 4- B MODELS 6T2,6K2,6T10,6K10 .MB. MOWN LLLOw .-kwcp POWER TRANSF. OUTPUT 66 (.211.41 MUdi 0og,/ .0000 CORRECT GAP BETWEEN FIBER TIP OF TRIP ._/.411 PLUNGER AND LEG OF TRIP LEVER IS FROM no, INCH TO nub INCH WHEN PLUNGER IS I ii. , . .1.11!. r , a xr, 1 I I I I I III I : 111 / MEET NAIL TO UN

2、SCREW TURNTABLE SPINDLE CAP ROTATED. LEVER TRIP FRICTION LEVER SWITEM 0: ./ LEVER PLUNGERR/I C:,-i_tx.in. i =. SPRING . FN. - ,4 t . / . I .-r4 / -,-,.- MOUNTING PLATE I PIVOT MATT gillf , CONE POINT SET SCREW .12.1., _.,. ,. .L.7# PICKUP 1 LEVER . PICKUP ARM SPINDLE .,- .15, , ,.7:, ,.a-it AND BEAR

3、ING ROTOR iP - - -C ,.e - ).r4 ISET SCREWS IN PIVOT ARM AND PICKUP LEVER BUSHING SHOULD BE LOCAT-t. Z!1 mikNim I 1,4=0, /,a- r i.,ii - .-. IS I.E.AVY1 /. / , , STATOR SPRING, rSx. .-ler IL. . (.-s-.: ED IN THEIR PROPER SLOT AND HOLE IN PIVOT SHAFT. MAKE SURE THESE SCREWS ARE TIGHT.CLEARANCE BETWEEN

4、PICKUP LEVER BUSHING AND ,/ . 1 - SWIFTS LEVER BUSNING SHOU1NOT ME MORE THAN o-bo INCH. CONE CLAMP,POINT SET SCREW IN PICKUP LEVER BUSHING MUST ENTER HOLE NV PIVOT 4 /C WASHER . IBI_ - /DAAWER.-,- SHAFT. / .,. _,_ TRIP -E.=_- ,a.Viar r I TRIPPER I FORK MS lib= - L 1 11 BRAKE STEEL WASHER .= .1 LEATH

5、ER % 1: PWASHER , .1 , N I)INIomm. ./ ; hailliP I ,/1 1 b LEVER ThADJIsUST AND D LOCKNBRAKEcNSCREVR TiN0 I 11 THE OFF POSITION AND TURNTABLE SLIGHTLY RAISED. ROTOR -. , a TURNTABLE .,.0 .,._, SHAFT AND BEARING If 40 i 1/ I l., ,. i. -_L_,- ., 47ADJUST TRIPPER .,_ _ S.,. I.17 / TO OBTAIN-. .*. .o03 P

6、ICKUPARM STATOR 4.0125.00IS AIR GAP OIL TURNTABLE SHAFT IFMOTOR BECOMES -.- - 011 INCHINCH -,-=-7-., i ,., , i SLOPE IN DIRECTION SHOWN NOISY VISCOLO ID CLAMP -.-. .a. - sen CHECK FOR CLEARANCE BETWEEN i, ROTOR AND MOTOR BOARD Airalt 4-1/ 11,411/;41. 1 PECTCS .,=,. _._._ _. .-_.- - -;.:; - - ,.-_-,

7、RUBBER SLEEVE . DANNg . TURNTABLE eh.-.-,-,- La li !MI I -.-.-.-4,- . IL , ,-.-.;. ,-. . ,.- -. - : - : ., - _, -,.,- 1It MOTOR BOARD . - ow. -.- IC,. FRi cnoN -=,.= -=-A- LIVER .L- .- _-.,.-.2-,._-,_:. LUBRICATE THIS SHAFT % % _-.- -_-_-. - t .-. lip- rmegiiire,.-.-ty.WL ONLY IN FR/CTION MECH- SIP

8、TRIP 4 .- ANISM, OTHERWISE LIB- 1 FORK ,e,;-, RICATEALLMOVING II . =.7.= PARTS _I. .6.-N.,b. ifk . 41 1=111 MOTOR SUPPORT SCREW USE ENOUGH WASHERS SO THAT FRICTION WILL PREVENT MOVE- CORRECT CLEARANCE OF al n 11104 ORITNINED IT ADJUSTINGMENT OF TRIP FORK WHEN TRIP LEVER IS MOVED BUT NOT THE THREE MO

9、TOR SUPPORT SCREWS.CHECK FOR CORRECTENOUGH TO CAUSE PICKUP TO JUMP GROOVES WHEN PLAYING CLEARANCE AT 3 PORTS AROUND EDGE OF TURNTABLEA VICTOR RECORD HAVING A a-LAI INCH DIAMETER ECCENTRIC SPRING C WASHER WASHERS FRICTION MECHANISM GROOVE 01-b/ 5 Model 7 IIMotor Board Adjustments PAGE 68-B 6T2, 6K2,

10、6T10, 6K10 .-SHIELD EXT. L24 5001. ToRECEIVER REPLACEMENT PARTS Insist on genuine Factory tested parts, which are readily identified and may be purchased From authorized dealers GREEN - SHIELDS, GREEN -BLUE BLACK BLUE Stock No. DESCRIPTION Stock No. DESCRIPTION 12930 5237 11888 12032 11350 12511 112

11、89 11623 11290 11622 11621 11287 4868 11315 12670 11395 4858 4836 11414 4841 5170 11240 11387 5212 11465 11256 11617 11618 12767 RECEIVER ASSEMBLIES Board-Antenna and ground terminal board Bushing-Variable condenser mounting bushing assembly-Package of 3 Cable-Tuning lamp cable and socket Cable -3 -

12、conductor,shielded,volume control cable, approx. 8 inches long, completewith4 -contactmalecon- nector and grid contact cap Cap-Grid contact cap-Package of 5 Cap-Grid contact cap-Package of 5 Capacitor -50 Mmfd.-(C9) Capacitor -175 Mmfd.-(C22, C26) Capacitor -400 Mmfd. (C2, C6) Capacitor -3000 Mmfd.-

13、(C13) Capacitor -3600 Mmfd.-(C11) Capacitor -4500 Mmfd.-(C14) Capacitor-.005 Mfd.-(C29) Capacitor-.015 Mfd.-(C33) Capacitor-.035 Mfd.-(C28) Capacitor-.01 Mfd.-(C24) Capacitor-.01 Mfd.-(C25, C27) Capacitor-.05 Mfd.-(C35) Capacitor -0.1 Mfd.-(C15, C42) Capacitor -0.1 Mfd.-(C19) Capacitor-.25 Mfd.-(C32

14、) Capacitor -10 Mfd.-(C30) Capacitor -10 Mfd.-(C16) Capacitor -18 Mfd.-(C31) Capacitor-Adjustable trimmer-(C12) Capacitor-Adjustable trimmer for wave - trap, Stock No. 11391-(C1) Coil-Antenna coil less shield-(L2, L3, L4, L5, C3, RI) Coil-Oscillatorcoillessshield-(L6, L7, L8, L9, L10, L11, C10) Cond

15、enser -2 -gang variable tuning con- denser-(C4, CS, C7, C8) 4573 5119 6123 12768 11619 12770 12712 4340 12718 11466 11624 11620 11400 8072 11282 12263 11398 11453 11452 Connector -2 -contactfemaleconnector for motor cable-receiver section Connector -3 -contactfemale connector for chassis reproducer

16、cable Connector -4 -contact male connector for cable, Stock No. 12032 Drive-Variabletuning condenser vernier drive Foot-Chassis mounting foot and bracket assembly-Package of 2 Holder-Dialscaleholderand lamp bracket assembly Indicator-S t a t i o n selectorindicator pointer Lamp-Dial lamp-Package of

17、5 Mask-Dial light diffuser complete with red, orange and green -colored screen Resistor-Voltagedivider-comprising one 3,500 -ohm, one 13,000 -ohm, one 85 - ohm, one 40 -ohm and one175 -ohm sections-(R14, R15, R16, R17, R18) Resistor -22 ohms-Flexible type com- plete with grid contact cap-(R19) Resis

18、tor -220 ohms-Carbon type -1/10 watt-(R1)-Package of 5 Resistor -27,000 ohms-Carbon type-% watt-(R10)-Package of 5 Resistor -33,000 ohms-Carbon type -1/2 watt-(R4)-Package of S Resistor -56,000 ohms-Carbon Type- -1/10 watt-(R5)-Package of 5 Resistor -100,000ohms-insulated-1A watt-Package of 5-(R3) R

19、esistor -220,000 ohms-Carbon type - 1/10 watt-(R7)-Package of 5 Resistor -270,000 ohms-Carbon type - 1/10 watt-(R12)-Package of 5 Resistor -470,000 ohms-Carbon type - 1/10 watt-(R13)-Package of 5 PAGE 69-B 6T2, 6K2,6T10, 6K10 TERM BD. RatG,HG 20opoom 2.2,AEG. Schematic Circuit Diagram (Model 6K2, Se

20、cond Production) RUBBER SPEED LOCK NUT ADJUSTMENT. ;-4v TURN SPEED ADJUSTER 50 THE FEL WILL PROTRUDE 1/1 6 WHEN ALL THE WAY IN, ADJUST GOVERNOR SO AS TO LEAVE Y16 BETWEEN FELT AND DISC, THEN SECURE BY MEANS OF GOVERNOR SCREW. ADJUST SO THAT SHAFT IS FREE TO ROTATE WITHOUT END PLAY REMOVE TO TAKE OFF

21、 GOVERNOR WITH POINTER IN EXTREME CLOCKWISE POSITION &FELT ALL THE WAY IN, ADJUST GOVERNOR, SO AS TO LEAVE jf BETWEEN FELT & DISC, THEN SECURE BY MEANS OF SCREWE, 4111. 60 CYCLES ADJUST SO THAT SHAFT IS FREE TO ROTATE WITHOUT END PLAY REMOVE TO TAKE OFF GOVERNOR z OIL . KEEP FILLED WITH LIGHT OIL TO

22、 INSURE SMOOTH OPERATION Details of 60 -Cycle Motor -3RUBBER OIL WICK RETAINING SCREWS 25 & 50 CYCLES F1-01473-0 DO NOT CHANGE THIS ADJUSTMENT DO NOT CHANGE THIS ADJUSTMENT CORRECT POSITION IN FOURTEENTH HOLE CLOCKWISE FROM CENTER OF ARM KEEP FILLED WITH LIGHT OIL TO INSURE SMOOTH OPERATION Details

23、of 25- or 50-01cle Motor PAGE 74-B 6K 2 & 7U2 0 V.164V, - 4 -TI, 5.3V. AZ. . (,e.1100V. -3V.L tOl- -j C.Gy.,11 .- -3V. -_I PRI. RDJ. 1 ST I.F TRANS. Ho - - - - - - - -20V. - RCA I SHIELD EXT. F 1.F AMP. 6K7 PRI. RDJ. 1T. DET. 4,05C. 6A8 1 A.C. 1T 0 V. 170V. (5.6 f 264V. c G OV. (-31.49 -0.4V tt I.F.

24、 TRANS. -3V.t -0.19V. 6.3V. A .C. L _ _ _ OtiV.*) BOY. 2. DEMTUNING GHPVCG TURF rgIBEI SHIELD7 g rRED-r1 GREEN -.1I C3 BOTTOM FRONT OF CHASSIS 286V OV. 315V OV.A.G. v. I -10V. REC5Z4T.I RRowit,4.11 eay.I 11 L yeLLovv,!., HMI I lI A.G. AUDIO6.4V. I31 ,.V-44 6F5 E A.C.7 - 2114Y.- - -0.5V.I 6F6 (711411

25、9 OUTPUT 1V.- OV. 2165v. C30 TT1.340 I I I I tt4 P,11.1111-1 Rodiotron Socket Voltages, Coil, and Trimmer Locations Measured at 115 volts, 60 -cycle supply-Tuned to approximately 1,000 kc (Standard broadcast)- No signal being received-Volume control minimum RED Note:Two voltage values are shown for

26、some read- ings. The value shown in parentheses with asterisk (*) indicureN operating conditions without voltmeter loading. REEK K I R27- 60,000. IJ 3 A BUS Nk IC.RIVOR BROWNSHIELD E XT. RADIO - PHONO -VOL. CONTROL MODEL7U2 COMPENSATOR PAC K 4 RED C40 .GIMP C41 2C39-SHIELD R26 I. MF67 EXT. SHIELD EX

27、% CASE RZ5 470.A. Alignment Procedure STEP CONNECT RICH SIDE OF TEST OSC. 10 - TUNE TEST OSC TO - TURN RADIO DIAL TO ALITUST THE FOLLOWING FOR MAX. OUTPUT 1 8K7 I -F Grid In series with 0.01 mfd 480 kc Quiet Point near 600 kc IlAg Band L15L14 2nd I -F Trans. 2 6A8 Det. Grid in series with 0.01 mfd L

28、13L12 1st I -F Trans. 3 Antenna in series with 203 mord ClWave Trap Minimum Output 4 Antenna in series with 300 ohms 15000 kc 15300 kc C Band CeltC54 Osc.Ant. 5 Antenna in serieswith 200 mmfd 1400 kc 1400 kc IVO Band C10C3 Osc.Ant. 6600 kc 600 kc PA Band C12L -F Osc. RockGang 7Repeat Step 5 *., I- 2

29、4 Oscillator tracks 460 kc above sigma on BandI & -5004, B Oscillator Tracks 460 kc below signal on Bond C !Use*azimut caPaci ty peak. Rock Gang PAGE 7 5-B REPLACEMENT PARTS 6K2 & 7U 2 Insist on genuine factory parts, which are readily identified and may be purchased from authorized dealers Stock No

30、. DESCRIPTION ListStock No. DESCRIPTION List RECEIVER ASSEMBLIES 11400 Resistor -27,000 ohms, carbon type, rA watt -Package of 5 (R10) 12930Board -Antenna andgroundterminal board 11282 Resistor -56,000 ohms, carbon type, 1/10 watt -Package of 5 (R5) 5237Bushing -Variable condenser mounting bushing a

31、ssembly -Package of 3 12286Resistor -56,000 ohms,insulated,1/4 watt -Package of 5 (R3) 11888Cable -Tuning lamp cable and socket 11398Resistor -220,000 ohms,carbontype, 12032Cable -3 -conductor,shielded, volume 1/10 watt -Package of 5 (R7) control cable, approx.8inches long, completewith4 -contactmal

32、econ- 11453Resistor -270,000 ohms,carbontype, 1/10 watt -Package of 5 (R12) nector and grid contact cap . 11452Resistor -470,000 ohms,carbontype, 11350Cap -Grid contact cap -Package of 51/10 watt -Package of 5 (R13) 12511Cap -Grid contact cap -Package of 5 11397Resistor -560,000ohms,carbon type, 112

33、89Capacitor -50 Mmfd. (C9)1/10 watt -Package of 5 (R2) 12946Capacitor -133 Mmfd. (C17, C18, C20, C21) 12013Resistor -1 megohm, carbon type, 1/10 watt -Package of 5 (R21) 11623Capacitor -175 Mmfd. (C26) 12406Capacitor -180 Mmfd. (C22)11626Resistor -2.2 megohms. carbon type,1/4 11290Capacitor -400 Mmf

34、d. (C2. C6) watt -Package of 5 (R6, R20) 11622Capacitor -3,000 Mmfd. (C13) 12607Shield -FirstI.F.transformer shield 11621Capacitor -3,600 Mmfd. (C11) top 11287 4868 11315 Capacitor -4,500 Mmfd. (C14) Capacitor -.005 Mfd. (C29) Capacitor -0.15 Mfd. (C33) 12581 11603 Shield -Second I.F. transformer sh

35、ield top Shield -Coil shield for Stock Nos. 11617 and 11618 12670Capacitor -.035 Mfd. (C28) 12735Shield -Dial lamp shield -Package of 5 11395Capacitor -.01 Mfd. (C24)12008Shield -I.F.transformershieldfor 4858Capacitor -.01 Mfd. (C25, C27)Stock Nos. 13106 and 13107 . 4836Capacitor -.05 Mfd. (C34) 111

36、99Socket -Dial lamp socket 11414Capacitor -0.1 Mfd. (C15, C42) 12771Socket -Dial lamp socket, located at top 4841Capacitor -0.1 Mfd. (C19) of dial scale 5170 11240 11387 Capacitor -.25 Mfd. (C32) Capacitor -10 Mfd. (C30) Capacitor -10 Mfd. (C16) 11381 11195 11198 Socket -Tuning lamp socket and cover

37、 Socket -5 -contact 5Z4 Radiotron socket Socket -7 -contact 6F5 or 6H6 Radiotron socket 5212Capacitor -18 Mfd. (C31) 11196Socket -8 -contact6A8,6F6or6K7 11465Capacitor -Adjustable trimmer (C12)Radiotron socket 11256Capacitor -Adjustable trimmer for wave - trap, Stock No. 11391 (C1) 12007Spring -Reta

38、ining spring for core, Stock No. 12006 -Package of 10 11617Coil -Antenna coil less shield (L2, L3, 12769Switch -Range switch (S2, S3) L4, L5, C3, R1) 12668Tone control and power switch (R9, S1) 11618Coil -Oscillator coil less shield (L6, L7, 11391Trap -Wave -trap (LI, C1) L8, L9, L10. L11, C10) 1310

39、6Transformer -FirstI.F.transformer 13597Condenser -2 -gang variable tuning con- (L12, L13, C17, C18) denser (C4, C5, C7, C8) 13107Transformer -Second I.F. transformer (L14, L15, C20, C21, C22, R5. R7) 4573Connector -2 -contact femaleconnector for motor cable, receiver section 11848Transformer -Power

40、 transformer,100- 125 volts, 50-60 cycles (T1) 5119Connector -3 -contactfemale connector for chassis reproducer cable 11849Transformer -Power transformer, 100- 125 volts, 25-40 cycles (T1) 6123Connector -4 -contact male connector for cable, Stock No. 12032 11850Transformer -Power transformer, 105- 2

41、50 volts, 40-60 cycles (T1) 12006Core -Adjustable coreandstudfor13144Volume control (R11) 13598 13599 Stock No. 13106 and No. 13107 Drive -Variabletuningcondenser vernier drive Foot -Chassis mounting foot and bracket Stock No.4838 Capacitor(C34), 4573 Connector 8123 Connector and 12013 Resistor(R21)

42、 used in Model 7U2 only. assembly -Package of 2 12770Holder -Dial scaleholderandlamp bracket assembly MISCELLANEOUS PARTS - 6K2 12712 4340 12718 11466 11624 11620 8070 Indicator -S t a t i o nselectorindicator pointer Lamp -Dial lamp -Package of 5 Mask -Dial light diffuser complete with red, orange

43、and green -colored screen Resistor -Voltage divider,comprising one 3,500 -ohm, one 13,000 -ohm, one 85 - ohm, one 49 -ohm and one175 -ohm sections (R14, R15, R16. R17, R18) Resistor -22 ohms, flexible type complete with grid contact cap (R19) Resistor -220 ohms, carbon type,1/10 watt -Package of 5 (

44、R1) Resistor -22,000 ohms, carbon type, Yz watt -Package of 5 (R4) 1Z717 Board - Phono. terminal board. 12772 Bracket - Top dial lamp bracket. 12792Dial - Station selector dial. 12607Shield - I -F Trans. shield top. 12888Cover - Reproducer cover assembly. 12698Crystal - Station selector crystaland e

45、s- cutcheon. 11582 Knob - Range switch mob. 12699 Knob - Large station selector knob. 12700 Knob - Small (vernier) station selector knob. 11347 Knob - Tone control or volume control knob. 11210 Screw - Chassis mounting screw assembly. 11349 Spring -Retaining spring for knob - Stock No. 11347, No.115

46、82 arid No.12700. 4982Spring -Retaining spring for knob - Stock No. 12899. PAGE 76-B 6K2 & 7U2 Stock No. 12641 12640 13600 11469 12667 5118 5119 9766 11253 11886 13576 13577 13578 13583 4577 13575 13065 3261 13573 13574 11750 13582 4577 3994 10174 3322 3 9 Ea REPLACEMENT PARTS (Continued) DESCRIPTIO

47、N ListStock No. DESCRIPTION List REPRODUCER ASSEMBLIES Board-Terminal board assembly Bracket-Output transformer mounting bracket Coil-Field coil (L16) Neutralizing coil (L18) Cone-Reproducer cone (L17) Connector -3 -contact male connector for reproducer Connector -3 -contactfemaleconnector for repro

48、ducer cable Reproducer complete Transformer-Output transformer (T2) Washer-Spring washer usedtohold field coil securely-Package of 5 MOTOR ASSEMBLIES Motor -105-125volts.60 -cyclemotor complete (M1) Motor -105-125volts,50 -cyclemotor complete Motor -105-125volts,25 -cyclemotor complete Regulator-Mot

49、orspeedregulator pointer,usedon25-and 50 -cycle motors only MOTOR BOARD ASSEMBLIES Connector -2 -contactmaleconnector for motor leads Escutcheon-Motor speed regulator es- cutcheon for 25- or50 -cycle motors only Lever-Brake mechanism actuating lever, fastens to pivot shaft under base Rest-Pickup rubber rest-Package of 5