Kenwood-CT201-tape-sm 维修电路原理图.pdf
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1、STEREO DOUBLE CASSETTE DECKCT-201/KXF-W1010SERVICE MANUAL 1998-04/B51-5423-00 (K/K) 3162KENWOOD badge(B43-0302-04)Front window(B03-3834-08)Display cover(B03-3807-08)Panel *(A60-)Knob (REC)(K27-2222-08)Knob (REW)(K27-2218-08)Cassette lid (R) *(A53-)Knob (PLAY)(K27-2217-08)Knob (REW)(K27-2218-08)Knob
2、(STOP/EJECT)(K27-2220-08)Knob (PAUSE)(K27-2221-08)Knob (POWER) *(K27-)Knob (FUNCTION) *(K27-)Knob (REC LEVEL) *(K27-)Knob (PLAY)(K27-2223-08)Knob (F.F)(K27-2219-08)Knob (STOP/EJECT)(K27-2220-08)Knob (PAUSE)(K27-2221-08)Phono jack (REC, PLAY)(E11-0264-08)AC outlet *(E03-0351-08)Metallic cabinet(A01-3
3、451-08)AC power cord bushing(J42-0083-05)AC power cord *(E30-)Lid glass(B03-3833-08)Lid glass(B03-3833-08)Cassette lid (L) *(A53-)Knob (F.F)(K27-2219-08)* Refer to parts list on page 12.CT-201/KXF-W1010(K) 1p 98.4.25 11:42 AM yW 2RadioFans.CN 收音机爱 好者资料库CT-201/KXF-W1010CONTENTS/ACCESSORIES/CAUTION2CO
4、NTENTS/ACCESSORIES/CAUTION .2ADJUSTMENT.3PC BOARD .5SCHEMATIC DIAGRAM .7EXPLODED VIEW .9PARTS LIST.12PARTS DESCRIPTIONS .15SPECIFICATIONS. .Back coverContentsAccessoriesAudio cord .2(E30-0615-05)AC plug adaptor.1(E03-0115-05)(Except for Europe and Australia)For the unit with a European AC plug inare
5、as other than EuropeBeware of condensationWhen water vapor comes into contact with the surface of coldmaterial, water drops are produced. If condensation occurs, correctoperation may not be possible, or the unit may not function correct-ly. This is not a malfunction, however, and the unit should be
6、dried.(To do this , turn the POWER switch ON and leave the unit for sev-eral hours.)Be especially careful in the following conditions:*When the unit is brought from a cold place to a warm place,and there is a large temperature difference.*When a heater starts operating.*When the unit is brought from
7、 an air-conditioned place to aplace of high temperature with high humidity*When there is a large difference between the internal tempera-ture of the unit and the ambient temperature, or in conditionswhere condensation occurs easilyCaution* Please refer to KX-W594/W1060 Service Manual (B51-4924-00) i
8、f you want to know disassembly andmechanism operation.CT-201/KXF-W1010(K) 1p 98.4.25 11:42 AM yW 3RadioFans.CN 收音机爱 好者资料库No.ITEMINPUTSETTINGSOUTPUTSETTINGSCASSETTE DECKSETTINGSALIGNMENTPOINTALIGN FORFLG. CASSETTE DECK SECTIONTAPE: NORMAL, DOLBY: OFF, INPUT: LINE IN0 dBs = 0.775 V I. REC/PLAY HEAD 1
9、DEMAGNET-IZATIONPOWER OFFRemove the cassette door.REC/PLAYheadDemagnetize the REC/PLAYhead with a headdemagnetizer. 2 CLEANINGPLAYREC/PLAYhead, erasehead, capstanpinch rollerClean the REC/PLAY head,erase head, capstan and pinchroller using a cotton swabslightly damped with alcohol. 3 AZIMUTH(A)MTT11
10、4, TCC-1530 kHz, -10 dB(B)PLAYAzimuthadjustmentscrewMaximum output.(a) II. DC BOARD 1 TAPE SPEED(A)MTT-111, TCC-1103 kHz(B)PLAYTimmingpotentiometer inthe DC motor.Adjust the tape speed so that a3 kHz signal is produced at thecenter of the tape.(b) III. PC BOARDPLAYBACKLEVELMTT-150400 Hz (200 nWb)(B)
11、PLAYDECK ASFR101 (L)SFR102 (R)Output level : -1 dBsMTT-256315 Hz (160 nWb)Output level : -4 dBsDECK BSFR103 (L)SFR104 (R)MTT-256U, TCC-160315 Hz ( 250 nWb)Output level : 0 dBsLED LEVELMTT-256U, TCC-160315 Hz ( 250 nWb)(B)PLAYSFR109 (L)Adjust the variable resistrosso that LED level of 0 dBs isworked.
12、BIASCURRENT(A)1 kHz, -20 dBs10 kHz, -20 dBs(B)Adjust REC level VR so thatthe REC monitor outputbecomes -20 dBs at 1 kHz,then record and reproducesignal of 1 kHz and 10 kHz inalternation.SFR107 (L)SFR108 (R)Record 1 kHz and 10 kHz inalternation and adjust thevariable resistors whichcontrol the bias c
13、urrent so thatthe same playback level isobtained.RECORDLEVEL(A)1 kHz, -20 dBs(B)Record and reproduce a1 kHz, signal under theconditions set in .SFR105 (L)SFR106 (R)Adjust the variable resistorsso that LED level of 20 dBs isworked.3CT-201/KXF-W1010ADJUSTMENTCT-201/KXF-W1010(K) 1p 98.4.25 11:43 AM yW
14、6(A)(B)AC voltmeterAGOscilloscopeAC voltmeterFrequency counterLRRECPLAY4CT-201/KXF-W1010ADJUSTMENTCT-201/KXF-W1010(K) 1p 98.4.25 11:43 AM yW 5ACEGIBDFHJ2135746Refer to the schematic diagram for the value of resistors and capacitors.PC BOARD(Component side view)56CT-201/KXF-101CT PCB/SD 2P 98.4.25 11
15、:33 AM y W 1ABDFHJCEGI2135746REC: 13.7VPLAY: 2.5VPLAY: 12.6VREC: 13.1VREC: 0VPLAY: 13.2VPLAY: 21.3VREC: 20.0VREC: 20.0VPLAY: 21.3V0.7VA PLAY:OTHER: 13.9VA PLAY: 0VPLAY: 22.0VREC: 20.5VAC35.6V13.7V13.9VVOLTAGE:D601-603 (ON)0V0V0.6V2.5V4.1V (70uS)0V (120uS)6.3VA PLAY:9.9V (NOR)0V0.6V2.5VB PLAY: 0VA PL
16、AY: 4.1V0VA PLAY: 0VB PLAY: 2.5V0VA PLAY:10.4V (NOR)0V0V0V0V12.3VPLAY: 0VREC: 4.0V13.3VA PLAY:6.3V3.6V (HI)6.0V (NOR)13.7VREC0.8V1.4V0.8V1.4VREC: 0VPLAY:REC: 13.7VPLAY: 1.8VREC: 13.7V13.3V13.9V11.1V11.8V13.9V21.1V14.4V12.2V21.3V13.9VA PLAY:0.6V1.5V-0.6V-16.6V0.6V12.7V1.1V12.7V1.1V0.6VPLAY: 0.5VDUB:
17、0V13.7VDUB:REC: 7.2V2.6V2.0V5.5V2.6V2.0VON: 0VOFF: 4.6V6.7V13.1V6.7V6.8VDOLBY6.7V0.4VREC: 0V6.7V0.4V6.7V6.8V1.2V6.7VPLAY:4.2V9.3V6.3V13.9V9.8V10.3V10.3V1.2V0V12.0V13.9V2.4V1047986532111171412131516181920680PC105680PC107R1071200.06833u16C109+0.01C111R11147KR1154.7u50C115+4.7u50C113+10KR11712KC118+100
18、u16R10918K680PC108C106680P0.01C112R112R11012K18KR10812033u16C110+R1134.7K4.7KR1144.7u50C116+0.1u50C114+1234548675323121RchLch-+MOTORTAPE(120uS/ 70uS)MOTORSWPLAYSW+BPLAY+BMOTORPLAY+BM(+)M(-)RchGNDLch132820PC101220KR101820PC102220KR102121210R104100KR105R103 10100KR106820PC103820PC104Rch+RchGNDLchRch-G
19、NDLch-Lch+100u16C117+0.1C117ASFR10110K(B)SFR10210K(B)SFR10410K(B)10K(B)SFR103L10247mHC122R124 13KR123 13KC121 6800PL10147mH647123R127R1292.7KR1252.4KR1311u50C125+150KL10332.4KR1322174L10461u50C126+2.7KR130150KR126150K150KR1281u50+C1301u50C124+-+ATT1ATT2ATT3SCDET-+ATT2ATT3ATT1SCDET1615141312111091234
20、56784.7u50C127+10u50C199+22KR13423KR1370.68u50C135+4.7u50C137+R135 4.7K4.7u50C129+LGRR139 47K100u10C132+1KR241R2431K2.2KR1414.7u50C191+C1231u50+R136 4.7KC1360.68u50+4.7u50C138+100u16C133+C190100u16+R138150 1/4W22u16C134+22KR140100KR144C1281u50+R143100K45612365432110KR16622KR16822KR1676800PR1335.6K47
21、u16C120+47KR16310KR1691u50C141+47KR16410KR1651MR1715.6KR1731u50C1425.6KR174+1MR17210KR170L+GNDL-R/PGNDVCCR-GNDR+12345678947KR1160.47u50C195+R152 22K47K22047u16C119+22KR154R15522K2.2KR15710KR15910KR160R1581K4.7KR15647u16C139+47u16C140+15KR16215KR1611E(+)E(-)2200K(X)SFR107220PC143L10510mH220PC143AL106
22、200K(X)SFR108220PC144220PC144A10mH1237654T1 (105kHz)121R1752000PC145C147 0.01R180 27KC148 3900PC149 3300PR181 27KC150 3300P2.2R1762.2R177326523141564HIGH (72uS)NOR. (120uS)C151 470PC152 470P47R181A3.9KR1832.2KR1850.027C1570.022C153L1093.9mH0.033C155R187 100K1.2KR18933u16C161+1/4W3.9mHL1100.033C1560.
23、027C1582.2KR1863.9KR184R1821/4W470.022C1544.7u50C159+2.2KR1911.2MR19315KR1950.33u50C165+10u50C163+330R1995.6KR197SFR10547K(B)33u16+C1621.2MR194+R20010u50C16433047K(B)SFR106+4.7u50C1602.2KR192R19615K0.33u50C166+5.6KR198R188 100K1.2KR1903.3KR2013.3KR2021u50C194A+10KR20447KR20310KR23722KR20510u50C167+6
24、.8KR2091u50C170+10KR20710KR206R208 56K47u16C168+R211 10K10KR2124.7u50C169+10KR21610K 1/4WR213R21510K4.7KR21422KR21810u50C171+10KR219R217 10K47KR224R223 10K10KR22010KR22510K 1/4WR226R230330KR228R22915KR23122K470u25C175+4.7KR2323.3u50C174+47u16C172+22KR2276.8K1234515324L OUTL INGNDR INR OUTVR1 50K(A)
25、x227KR11927KR12027KR12127KR12211532DUB.REC4GNDVCCSG5234R1484.7KR147 4.7K39KR149SFR109220K(B)1.8KR1461.8KR14539KR1501KR2444.7u50C192+2.2KR142100u16C181+330R235100u16C182+220u16C184+680R2362.2 1/2WFR2400.01C1852200u35C187+47u16C180+2311/4WC1861000u35+C183100u161.1 or (2,2x2)FR238FR2391.1 or (2,2x2)123
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