Knight-96RX635-tape-sm 维修电路原理图.pdf
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1、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 leng
2、th 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
3、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 tap
4、e, 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 supp
5、ly, 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
6、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
7、 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 Pla
8、y 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 mac
9、hine 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
10、 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 ta
11、pe 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 fa
12、ceaway 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
13、=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 LI
14、STRefNo.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)45
15、0V.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?c18c19c20C2Lc22c23
16、c24c25c-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.Ca
17、p. 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.Descriptionc30Ec26c27c28c29c30AR1R2R3R4R5R6R7
18、R8R9R10R11R12R13R14Rl5R16R1?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
19、-?.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.Re
20、sistor 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
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