Knight-96RX635-tape-sm 维修电路原理图.pdf

PnoToFACT*F.,lJ*TAPETIMERKNOBRADIOP.A.PHONOINPUTEXT.SPEAKERJACKSMIKEINPUTTONECONTROTRECORDrocKBUTTONREVERSERECORDFigure IGENERAL INFORMATIONThe Knight Model 96RX635 features fingertip operation for Fast Forward, Playback, Stop ,RecordandFastReverse. Double-trackrecordingis used, giving two full length recordings on asingle reel of Tape. Any size up to 7 can be used. Two neon recording indicators simplify therecordinglevelsetting. Newrecordingscanbemade on previously recorded tape since the eraseheadisautomaticallypositionedwhentheRecordbutton is pressed or the same recording may beplayed back indefinitely. Recordings can be made from a radio, television receiver, or phono-graph, in addition to those made directly from the microphone. Recordings can be played backthroughtheself-containedspeakers, or an external speaker through use of the External SpeakerJack-Using both channels of the tape, the recording time is as follows:KNIGHTMODEL 96RX635SPEEDCHANGERECORDLEVETINDICATORVOTUMECONTROTON.OFswrTcHFORWARD3oExm,-talre9or+V1xoG,)lllSIZE5 reel7t reelSPEEDwt hour2 hoursSPEEDwl/2 hourt hourTheKnightisdesignedtooperateon 60 cycle, 115 volt, AC supply only. Before connectingto your line supply, be absolutely certain that it agrees with the above specifications.Allied Radio Corporation833 West Jackson BoulevardChicago ?, Illinoisul(?Ix-4+6oIrdZuYOo=fhis moleriol compiled ond published bySAtvls & co., lNc., lNDlANAPoLlS,Copyright 1955 . All Rights Reserved0AIt ll-55INDIANASET 2 9ETOLDER THOWARDl/.RadioFans.CN 收音机爱 好者资料库BIASADJUSTMENTNORMALINNKATQRADJUSTMENTQVERTOADINDICATORADJUSTMENTFigure 2OPERATING INSTRUCTIONSPreparation For Operation-1. Removethe AC power cord, b reel of tape,emptyreelandthe microphone from the storage com_partment.2. Depress the Stop button.3. Plug the AC cord into a convenient wall re_ceptacle of the proper rating.4 Set speed change knob to ?. b0 or 3. ?b as de_sired.5. Place Remote- Normal switch in Normalposition.CAUTION: Do not turn speed change knob unless Stopbutton is depressed.When the Forward or Reverse buttons are de-pressed, the Record and Play buttons are locked so thatthey cannot be pressed down, with the possibility ofspilling tape. The buttons should always be presseddown firmly until they latch and the Stop button mustbe depressed before changingfunctions or speeds of therecorder.IMPORTANT: Always depress the Stop button whenthe machine is not in use.Page 2Speed Change KnobThearrowonthe speed change knob should pointal 7.50 or 3. ?5 according to the speed desired. Thisrecorderhastwospeeds, 7 l/2 and3 3/4per secondThearrowpointingat 7.50 means the unit will operateat the fast speed or 7 L/2, per second.CAUTION: Turningthe speed change knob white the unitis operating will not change the speed.TheStop button rnust be depressed before thdspeed can be changed.Threading The Tape-1. Place a full reel of tape on the left (suppiy)spindle. making certain one of the reel slots catch theprotrusions of the pan. Unwind about 14r of tape fromthe supply reel.2. Insert free section of tape into the tape slot.3. Insert free end of tape into one of the threeslots in the hub of the right (take-up) reel and whileholdingthe tape inplace givethe reeltwo or three turnsuntil the tape is secured.4. The dull side of the tape should always faceaway from the operator (rear of unit).To Record From Microphone-1. Turn the On-Off Volume control to the rightuntil a click is heard and allow about 30 seconds forRadioFans.CN 收音机爱 好者资料库+.tV l- .tr:iit:k-:I G.in,:ii iiffi-:L SSt-Xt .Y *;1J :f:t;ti-*.-Figure 33o9Xa,rl!re9or+vHl859f:tO*AES-Zx;x2-Nco=Akx=(L=+U&cO=NceOaoo6;s$xll il,io8so_JHlYN:o*s: Lj6.sA.orOorctl-lociiooMo1r:F.gA-b0oFg;b0o,t-Mo6l6lMogl6lAlio.Eo-MoF+Mro606t-X6l-a+-M6TH+-ooHl.).gcotctHoIt:oorcoor(!AF.so-ctr(:otc)Holoort:ooHc)co-ot4l.)6lorctou1AFoco-b0c)Frll:Eo=otc).rtro+859sl8l6Page 9Bottom View Of Amp. ChassisELECTRICAL PARTS LISTRefNo.PartNo.DescriptionRef.No.PartNo.Descriptiony1V2v3V4V5ClAC1BC1CtlDC2AJ2c-J2Covr)J4l536J7l81q69-222469-217569-2t7t69-217169-222tB-5.437c-4. 109-9c-4. 109-13c-4. 109-13D-3. 100-18c-4 l nq-,12AYT Bias Osc. -Mic. Pre-Amp12AX? AF Amp. -Phase Inv.6AQS Output6AQS Output5Y3GT RectifierElect. 20MFD)450V.Elect. 20Mm450V.Elect. 20MFD 450V.Etect.20Mm25V.Elect. 3OMFD250V.Elect. 3OMFD 250V.Elect. 30Mm) 25V. Not UsedE1ect. 3OMFD450V.Cap. Ceramic 1000MMFCap. Ceramic 1500MMFCap. Ceramic 1500MMFCap. Molded Paper. 05MFD200v.Cap. Ceramic 10000MMFCan Cerernic 4?OMMFc10c11c12c13ct4c15c16C1?c18c19c20C2Lc22c23c24c25c-4. L09-27c-4. 109-9c-4. 109-2c-4. 109-10D-3. 100-18c-4. 109-10c-4. 109-10c-4. 109-27c-4. 109-13D-3. 100-19D-3. 100-19Cap. Ceramic 220MMFCap. Ceramic 10000MMFCap. Motded Paper .033600V.Cap. Ceramic 1000MMFCap. Ceramic 470MMFCap. Ceramic 100MMFCap. Ceramic 5000MMFCap. Molded Paper. 05Mm200v.Cap. Ceramic 100MMFCap. Ceramic 10000MMFCap. Ceramic 100MMFCap. Ceramic 220MMFCap. Ceramic 1500MMFCap. Molded Paper. 05MFD400v.Cap. Molded Paper. 05MfD400v.Cap. Molded Paper. 033MfD600v.Page 10ELECTRICAL PART LIST-ContRef.No.PartNo.DescriptionRef.No.PartNo.Descriptionc30Ec26c27c28c29c30AR1R2R3R4R5R6R7R8R9R10R11R12R13R14Rl5R16R1?R18R19R20R21n,22c-4.109-13c-4.109-9D-3.100-58c-4.109-34B-4.131B-4. 131c-8.227-2c-8.231-1c-8-207 -7D-?.101-121D-7.102-134D-7.t02-L26D-?.101-114D-7.101-1?8D-?. 102-80D-7.102-tt2D-?.101-58D-?.101-93D-?.101- 128D-?.101-1?8D-7.101-114D-7.103-153D-?.101-86D-?.101-155D-7.101-44D-?.102-112D-.tr02-Lt2Cap. Ceramic 1500MMFCap. Ceramic 1000MMFCap. Molded Paper. 015MFD )600v.Cap. Ceramic 20MMFCap. Ceramic Dual Disc4OOOMMFCap. Ceramic Dual Disc4OOOMMFVol. Cont. & Sw. Assy. lMegt/2 w.Tone Cont. 250Kl/2 W.Hum Cont.500QResistor 330K l/2 W.Resistor 1.5Meg1/2 W.Resistor 6B0K) l/2 W.Resistor 2?0K)1 W.Resistor 220K L/2 W.Resistor 4. ?Meg L/2 W.Resistor 22K)1 W.Resistor 120K1 W.Resistor 10K1/2 W.Resistor 68K1/2 W.Resistor 4?0K1/2 W.Resistor 4.?Meg l/2 W-Resistor 22OKl/2 W.Resistor 39KG)2 W.Resistor 47KL/2 W.Resistor 2.2lrIegl/2 W.Resistor 4.7Kl/2 W.Resistor 120K 1W.Resistor 120K 1W.BR23P24R25R26F-27R28R29R30R31R32R33R34R35,T1T2sP1sP2L1L2M1M2M3M4M5AM5BM6AM6M?D-?.101-114D-?.101-11453-2825D-7. t02-72c-6.215-10D-7.101-121D-7.101-121D-7.101-128D-7.lO2-12D-7.102-23D-?.103-58D-?.103-23c-35.804Ac-9.261Cc-30.341-2D-30.341-2B-1. 55?B-1.55645 -200345-2036-045-2036 -0c-4.t42AB-4.140B-4. 140c-4.t42AResistor 22OKl/2 W.Resistor 220K) l/2 W.Resistor 2?0O)2 W.Resistor 15K1 W.Resistor 3.30?W.Resistor 330K) 1/2 W.Resistor 330K1/2 W.Resistor 4?0K l/2 W.Resistor 15K1 W.Resistor I20IL/2 W.Resistor 1K1 W.Resistor 220f,l)2W.Resistor 334)2W.Power Trans. & Plug Assy.Output Trans.Speaker 8f,lPMSpeaker SQFMBias Osc. CoilTone ChokePilot Lamp #44Neon Lamp NE51 (Normal Ind. )Neon Lamp NE51(Overload Ind)Trimmer Bias Adj. (3-35MMF.)Trimmer Normal Ind. (5. ?0MM.Trimmer Overload Ind.(5-70MMF)Play-Record Sw. (Viewed FromRear)Play-Record Sw. (Viewed FromFront)Trimmer, Bias Osc. Freq. Adj.(850-115oMMF)MECHANICAL PARTS LIST3oEtt9or+VaxO.GlrlRef.No.PartNo.DescriptionRef .No.PartNo.Description1234567891011t213t41516t71819202L222324252627282930c-13.253-4E57 -2049-4?3 -2334 -1B-13.261-1B-28. 163D-13. 292-2F5?-3445 -1c-13. 254-?E73-2254-3E-13.293-3F48-2213-rB-19. 985-1AB-33.45354 -2030-35B-33. 3?073-2254-357 -2552-2B-13. 262-15?-36?8-1B-31. 351B-32.30273-223t-357 -2552-r?3 -2334 - 135-851B-19.9?5-38B-32. 308-157 -2L09-233.41554 -2030-35Speed Shift KnobScrew #6-32 x 1/4BHMS#6 Cantlink WasherReel Pan For Feed ReelLinen WasherRear Escutcheon#B-32 x 3/SPhillips RHMSTone Control KnobFelt WasherFront EscutcheonHex. Nut 3/B-32 x L/2Bracket for Input JackMidget JackDrilled Rivet L/4 x 122 x 7/32Phono JackFelt WasherScrew 6-32 x 1 1/4PhillipsRHMSReel Pan for Take-Up Reel#4-40 x 5/16 Phillips OHMSReel Drive Spring (Belt)Timer Knob#4 Internal Lockwasher#6-32 x 1 /4PhillipsRHMS#6-Cantiink WasherTimer Shaft and Pointer Assy.Rear Escutcheon PlateRecord Lock Button#6-32 3/16BHMS Brz. PhillipsEt Ring RetainerDrilled Rivet 1/4 x 122 x7/32313233343536373839404l424344454647484950515253545556575B5973-223r-548-4 10-173-2234-348-410- 173-2234-3B-19. B?6DB-33.446D-35.80?-6FB-32.259FB-31.337BB-19.859-1F57 -3445-1B-19. 870.AB-31.343A73-223I-45?i- 3603 - 15?-3439 -0B-32. 300DB-32. 260DB-35. ?94B-31.34?BB-31.334A57 -428-L73-2233-r48-22t6-Lc-35. ?564B-3s. ?66CB-32. 309#BInt. Lockwasher#6-32Hex. Nut#6-Ext. Lockwasher#6-32 Hex. Nut.#6 Ext. LockwasherPush Button LeverSpacerBase Plate Assy.Capstan ShaftPush Button Return SpringHinge Bracket for Push Buttons#8-32 x 3/B RHMSLocking Plate for Push ButtonLock Plate Spring#6 -Int. Lockwasher#6-32 x 1/2Phillips BHMS#6-32 x 3/16 BristolHead SetScrewTape Guide Post (Left)6-32 Hex. NutTape Guide Post SpacerErase Head Plate AssemblyErase Head Tension SpringPressure Pad (Felt)2 used#6-32 x 3/8 RHMSInt. Lockwasher#2-56 x 3/16Hex. NutErase HeadRecord Actuating LeverTape Guide Post (Right)Page 11MECHANICAL PARTS LIST - ContRef .No-PartNo.DescriptionRefNo.PartNo.Description606162636465666?6869707l72737475767778?9808182838485868788899899100101r021031041059192939410610?108109110111c-36.1568B-19. 881C73-224t-t4BFB-31. 336DB-35. ?58B-35. ?64DB-33.412B-19. 86BAB-33.40973-2340B-33.404EB-19- 85873-2340B-35.82441 10-48-BB-31.338Bc-35.835B-33.412B-31.339B-35. ?59B-35.7?4B-31. 33313-224t-ttg54-2030-3573-2231-557-2L02-3B-19. 863D-33.445B-32. 301B-28. 163c-35.823B-35. ?5?DB-32. 2?5-1EB-35.405E73-2254-673-224L-I50B-33.409B-33.118A73-224t-r50B-33- 41873-2254-6B-33.406CB-28.162c-35.8165?-3589- 157 -2t09-257 -3679-15?-3589-1B-35. ?55-5DD-35. ?53-173-223L-5Tape Recording Head(ShureTR16H)Playback Actuating LeverFIat WasherPinch Roller Tension SpringPlayback Slide Plate AssemblyPressure Pad Spring AssemblyPush-On Stud Nut, 3/16StudRecord Slide PlateHairpin ClipLinen WasherPinch RollerPush Button Retainer BracketLinen WasherPinch Roller Plate Assy.Switch Lever Assy.Brake Return SpringBrake Slide Plate AssemblyPush-On-Stud Nut, 3/16 StudIdler Lever Tension SpringShift Plate AssemblyRecord Interlock AssemblySwitch Arm LinkFlat WasherDrilled Rivet 1/4 x 122 x7/32(Bottom View of Item 38)#8 Int. Lockwasher#8-32 x 1/4 RHMSDrive Mounting Plate BracketGear Train for Tape IndexBrake Drum Shaft (Grooved)Linen WasherBrake Drum & Bushing Assy.Sub. Idler Plate Assy.#8-32 IIH Shoulder ScrewSub. Idler WheelFelt WasherFlat WasherIlairpin ClipSpacerFlat WasherTruearc Retaining Err ringFelt WasherIdler Drive SheaveIdler Drive BeltSpeed Control Shaft Assy.8-32 x l,/4Bristol Head SetScrew#6-32 x 3rr16Phiilips BHMS#6-32 x 7/8 Phillips BHMS#8-32 x 1/4 Bristol Hd. SetScrewPush Button Assy.Drive Mounting Plate Assy.Internal Lockwasher120t2lL22tr2113Lt411511611?118119123t24t25126127128r29130131t32133134135136138139140L4lL42143r44L45146r47148149150151t52154155156157158159160161L6216351 -2t02-3B-28-159B-19-840EB-23. 163c -13. 257-1CB-28.163B-32.297B73-223r-557 -2102-3B-19.862Cc-19. 83?F?3-2231 -557-2t02-3B-33- 411A73-223L-548-409-1D-36. 153ED-36. 154cB-33.41813-224t-L4373-2254-3c-19. 88?A73-2254-373-2241-t4333. 41535. 8349?-3062B-31.335A5?. 3683-1B-33.409B-28. 163B-33.408CB-28. 163B-31. 32?DB-32.288D57-2t02-313-2231-573-224L-t43tto-47B-32. 291B-31.3244,t -2109-2B-19.961B-33.40?-151-318257-2L09-2B-31. 324AB-32.264FB-35. 768A5?-3589-1#8-32 x 1/4 RHMSShock MountSteady BracketLinen WasherFlywheelLinen WasherBrake Drum ShaftErase Head Forward AdjustmentScrewInternal Lockwasher#8-32 x 1/4 RHMSAngle Bracket for MountingDrive Assy.Motor Adapter Plate#8 Int- Lockwasher#8-32 x 1/4 RIIMSFlat Washer#8 Internal Lockwasher8-32 x 5/16 Hex. NutMotor, Round Type( Fasco) Motor,Square Type(GI and Alliance)Truearc RetainingE RingFlat WasherFelt WasherFan BladeFelt WasherFlat WasherPush-On FastenerIdler Lever Assy.Brake SpringBrake Pad, Felt8-32 x 1/4Undercut Flat HeadIlairpin ClipLinen WasherRubber Bonded Idler Wheel,2 t/2, Dia.Linen WasherIdler Lift Compression SpringMotor Pulley#8-32 x 1/4 RHMS#8 Internal LockwasherFlat WasherIdler-Throw-Out LeverShoulder WasherIdler Spring (Tension)#6-32 x 3/l6Phillips BHMSSpeed Control Shaft DetentSpringttC WasherShift Plate for High Speed#6 -32-3/ 16 Phillips BHMSIdler Spring (Tension)Idler Slide BushingIdler Slide Plate Assy.#8-32 x 1/4 Bristol Hd. SetScrewPage 12