Kenwood-KXFW1010-tape-sch 电路图 维修手册.pdf

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1、STEREO DOUBLE CASSETTE DECK CT-201/KXF-W1010 SERVICE MANUAL 1998-04/B51-5423-00 (K/K) 3162 KENWOOD 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

2、) (K27-2218-08) Knob (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 ou

3、tlet * (E03-0351-08) Metallic cabinet (A01-3451-08) 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 2 RadioFans.C

4、N 收音机爱 好者资料库 CT-201/KXF-W1010 CONTENTS/ACCESSORIES/CAUTION 2 CONTENTS/ACCESSORIES/CAUTION .2 ADJUSTMENT.3 PC BOARD .5 SCHEMATIC DIAGRAM .7 EXPLODED VIEW .9 PARTS LIST.12 PARTS DESCRIPTIONS .15 SPECIFICATIONS. .Back cover Contents Accessories Audio cord .2 (E30-0615-05) AC plug adaptor.1 (E03-0115-05

5、) (Except for Europe and Australia) For the unit with a European AC plug in areas other than Europe Beware of condensation When water vapor comes into contact with the surface of cold material, water drops are produced. If condensation occurs, correct operation may not be possible, or the unit may n

6、ot function correct- ly. This is not a malfunction, however, and the unit should be 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 la

7、rge temperature difference. *When a heater starts operating. *When the unit is brought from an air-conditioned place to a place 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 conditions where

8、condensation occurs easily Caution * Please refer to KX-W594/W1060 Service Manual (B51-4924-00) if you want to know disassembly and mechanism operation. CT-201/KXF-W1010(K) 1p 98.4.25 11:42 AM yW 3 RadioFans.CN 收音机爱 好者资料库 No.ITEM INPUT SETTINGS OUTPUT SETTINGS CASSETTE DECK SETTINGS ALIGNMENT POINT

9、ALIGN FORFLG. CASSETTE DECK SECTIONTAPE: NORMAL, DOLBY: OFF, INPUT: LINE IN0 dBs = 0.775 V I. REC/PLAY HEAD 1 DEMAGNET- IZATION POWER OFF Remove the cassette door. REC/PLAY head Demagnetize the REC/PLAY head with a head demagnetizer. 2 CLEANINGPLAY REC/PLAY head, erase head, capstan pinch roller Cle

10、an the REC/PLAY head, erase head, capstan and pinch roller using a cotton swab slightly damped with alcohol. 3 AZIMUTH (A) MTT114, TCC-153 0 kHz, -10 dB (B)PLAY Azimuth adjustment screw Maximum output.(a) II. DC BOARD 1 TAPE SPEED (A) MTT-111, TCC-110 3 kHz (B)PLAY Timming potentiometer in the DC mo

11、tor. Adjust the tape speed so that a 3 kHz signal is produced at the center of the tape. (b) III. PC BOARD PLAYBACK LEVEL MTT-150 400 Hz (200 nWb) (B)PLAY DECK A SFR101 (L) SFR102 (R) Output level : -1 dBs MTT-256 315 Hz (160 nWb) Output level : -4 dBs DECK B SFR103 (L) SFR104 (R) MTT-256U, TCC-160

12、315 Hz ( 250 nWb) Output level : 0 dBs LED LEVEL MTT-256U, TCC-160 315 Hz ( 250 nWb) (B)PLAYSFR109 (L) Adjust the variable resistros so that LED level of 0 dBs is worked. BIAS CURRENT (A) 1 kHz, -20 dBs 10 kHz, -20 dBs (B) Adjust REC level VR so that the REC monitor output becomes -20 dBs at 1 kHz,

13、then record and reproduce signal of 1 kHz and 10 kHz in alternation. SFR107 (L) SFR108 (R) Record 1 kHz and 10 kHz in alternation and adjust the variable resistors which control the bias current so that the same playback level is obtained. RECORD LEVEL (A) 1 kHz, -20 dBs (B) Record and reproduce a 1

14、 kHz, signal under the conditions set in . SFR105 (L) SFR106 (R) Adjust the variable resistors so that LED level of 20 dBs is worked. 3 CT-201/KXF-W1010 ADJUSTMENT CT-201/KXF-W1010(K) 1p 98.4.25 11:43 AM yW 6 RadioFans.CN 收音机爱 好者资料库 (A)(B) AC voltmeterAG Oscilloscope AC voltmeter Frequency counter L

15、 R RECPLAY 4 CT-201/KXF-W1010 ADJUSTMENT CT-201/KXF-W1010(K) 1p 98.4.25 11:43 AM yW 5 ACEGIBDFHJ 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) 56 CT-201/KXF-101CT PCB/SD 2P 98.4.25 11:33 AM y W 1 ABDFHJCEGI 2 1 3 5 7 4 6 REC: 13

16、.7V PLAY: 2.5V PLAY: 12.6V REC: 13.1V REC: 0V PLAY: 13.2V PLAY: 21.3V REC: 20.0V REC: 20.0V PLAY: 21.3V 0.7V A PLAY: OTHER: 13.9V A PLAY: 0V PLAY: 22.0V REC: 20.5V AC35.6V 13.7V 13.9V VOLTAGE: D601-603 (ON) 0V0V 0.6V2.5V 4.1V (70uS) 0V (120uS) 6.3V A PLAY: 9.9V (NOR) 0V 0.6V2.5V B PLAY: 0V A PLAY: 4

17、.1V 0V A PLAY: 0V B PLAY: 2.5V 0V A PLAY: 10.4V (NOR) 0V0V0V0V 12.3V PLAY: 0V REC: 4.0V 13.3V A PLAY: 6.3V 3.6V (HI) 6.0V (NOR) 13.7V REC 0.8V 1.4V 0.8V 1.4V REC: 0V PLAY: REC: 13.7V PLAY: 1.8V REC: 13.7V 13.3V 13.9V 11.1V 11.8V 13.9V 21.1V 14.4V 12.2V 21.3V 13.9V A PLAY: 0.6V 1.5V -0.6V -16.6V 0.6V

18、 12.7V 1.1V 12.7V 1.1V 0.6V PLAY: 0.5V DUB: 0V 13.7V DUB: REC: 7.2V 2.6V 2.0V 5.5V 2.6V 2.0V ON: 0V OFF: 4.6V 6.7V 13.1V 6.7V 6.8V DOLBY 6.7V 0.4V REC: 0V 6.7V 0.4V6.7V 6.8V1.2V6.7V PLAY: 4.2V 9.3V 6.3V 13.9V 9.8V10.3V10.3V1.2V0V12.0V 13.9V 2.4V 10 4 7 9 8 6 5 3 2 1 11 17 14 12 13 15 16 18 19 20 680

19、P C105 680P C107 R107 120 0.068 33u16 C109 + 0.01 C111 R111 47K R115 4.7u50 C115 + 4.7u50 C113 + 10K R117 12K C118 + 100u16 R109 18K 680P C108 C106 680P0.01 C112 R112 R110 12K 18K R108 120 33u16 C110 + R113 4.7K 4.7K R114 4.7u50 C116 + 0.1u50 C114 + 1 2 3 4 5 4 8 6 7 5 3 2 3 1 2 1 Rch Lch - + MOTOR

20、TAPE (120uS/ 70uS) MOTOR SW PLAY SW +B PLAY +B MOTOR PLAY +B M(+) M(-) Rch GND Lch1 3 2 820P C101 220K R101 820P C102 220K R102 12 12 10 R104 100K R105 R103 10 100K R106 820P C103 820P C104 Rch+ Rch GND Lch Rch- GND Lch- Lch+ 100u16 C117 + 0.1 C117A SFR101 10K(B) SFR102 10K(B) SFR104 10K(B)10K(B) SF

21、R103 L102 47mH C122 R124 13K R123 13K C121 6800P L101 47mH 6 4 7 1 2 3 R127 R129 2.7K R125 2.4K R131 1u50 C125 + 150K L103 3 2.4K R132 2 1 7 4 L104 6 1u50 C126 + 2.7K R130 150K R126 150K 150K R128 1u50 + C130 1u50 C124 + - + ATT1 ATT2 ATT3 SCDET - + ATT2 ATT3 ATT1SCDET 16 15 14 13 12 11 10 9 1 2 3 4

22、 5 6 7 8 4.7u50 C127 + 10u50 C199 + 22K R134 23K R137 0.68u50 C135 + 4.7u50 C137 + R135 4.7K 4.7u50 C129 + L G R R139 47K 100u10 C132 + 1K R241 R243 1K 2.2K R141 4.7u50 C191 + C123 1u50 + R136 4.7K C136 0.68u50 + 4.7u50 C138 + 100u16 C133 + C190 100u16 + R138 150 1/4W 22u16 C134 + 22K R140 100K R144

23、 C128 1u50 + R143 100K 4 5 6 1 2 36 5 4 3 2 1 10K R166 22K R168 22K R167 6800P R133 5.6K 47u16 C120 + 47K R163 10K R169 1u50 C141 + 47K R164 10K R165 1M R171 5.6K R173 1u50 C142 5.6K R174 + 1M R172 10K R170 L+ GND L- R/P GND VCC R- GND R+ 1 2 3 4 5 6 7 8 9 47K R116 0.47u50 C195 + R152 22K 47K 220 47

24、u16 C119 + 22K R154 R155 22K 2.2K R157 10K R159 10K R160 R158 1K 4.7K R156 47u16 C139 + 47u16 C140 + 15K R162 15K R161 1E(+) E(-)2 200K(X) SFR107 220P C143 L105 10mH 220P C143A L106 200K(X) SFR108 220P C144 220P C144A 10mH 1 2 3 7 6 5 4 T1 (105kHz) 12 1 R175 2000P C145 C147 0.01 R180 27K C148 3900P

25、C149 3300P R181 27K C150 3300P 2.2 R176 2.2 R177 3 2 6 52 3 141 5 6 4 HIGH (72uS) NOR. (120uS) C151 470PC152 470P 47 R181A 3.9K R183 2.2K R185 0.027 C157 0.022 C153 L109 3.9mH 0.033 C155 R187 100K 1.2K R189 33u16 C161+ 1/4W 3.9mH L110 0.033 C156 0.027 C158 2.2K R186 3.9K R184 R182 1/4W 47 0.022 C154

26、 4.7u50 C159 + 2.2K R191 1.2M R193 15K R195 0.33u50 C165 + 10u50 C163 + 330 R199 5.6K R197 SFR105 47K(B) 33u16 + C162 1.2M R194 + R200 10u50 C164 330 47K(B) SFR106 + 4.7u50 C160 2.2K R192R196 15K 0.33u50 C166 + 5.6K R198 R188 100K 1.2K R190 3.3K R201 3.3K R202 1u50 C194A + 10K R204 47K R203 10K R237

27、 22K R205 10u50 C167 + 6.8K R209 1u50 C170 + 10K R207 10K R206 R208 56K 47u16 C168 + R211 10K 10K R212 4.7u50 C169 + 10K R216 10K 1/4W R213 R215 10K 4.7K R214 22K R218 10u50 C171 + 10K R219 R217 10K 47K R224 R223 10K 10K R220 10K R225 10K 1/4W R226 R230 330K R228 R229 15K R231 22K 470u25 C175 + 4.7K

28、 R232 3.3u50 C174 + 47u16 C172 + 22K R227 6.8K 1 2 3 4 5 1 5 3 2 4 L OUT L IN GND R IN R OUT VR1 50K(A) x2 27K R119 27K R120 27K R121 27K R122 11 5 3 2 DUB. REC 4 GND VCC SG 5 2 3 4 R148 4.7K R147 4.7K 39K R149 SFR109 220K(B) 1.8K R146 1.8K R145 39K R150 1K R244 4.7u50 C192 + 2.2K R142 100u16 C181 +

29、 330 R235 100u16 C182 + 220u16 C184 + 680 R236 2.2 1/2W FR240 0.01 C185 2200u35 C187 + 47u16 C180 + 2 31 1/4W C186 1000u35 + + C183 100u16 1.1 or (2,2x2) FR238 FR239 1.1 or (2,2x2) 1 2 33 2 1 AC GND AC T.F PT1 P G 1 2 3 4 5 6 7 1 2 3 4 5 6 7 2 1 2 1 4 3 4 3 6 5 6 5 87654321 4.7u50 C188 + 22UH L112 +

30、15V GND +12V 21543768 C189 4.7u50 + 22uH L111 R180A 18K 1/4W M(-) M(+) MOTOR +B PLAY +B TAPE +B REC +B +B MOTOR M(+) GND PLAY M(-) REC, VCC SW 8GND SW (MUTE) REC PLAY MOTOR REC PLAY7 6 +B 5 4 +B MOTOR 3 5Lch(+) 3 Rch(-) 4 ERASE Rch Lch 1 2 GND Rch(+) Lch(-) E(-)2 E(+)1 MOTOR M(-) M(+)+ -2 1 1 2 3 4

31、6 7 8 9 5 10K R606 10u50 C601 + 10u50 C602 + R607 47K 1/4W 47u16 C603 + 390 R605 22K R609 1.8K R608 82 R602 820 R601 820 1/4W R603 1K 1/4W R604 1/4W 1W AC GND AC T.F 3 P B PT1B 2 1 G B AC GND AC (230V) 2 3 1 T.F GRY PT1A 230V 115V (115V) YEL BLU G A P A 330u16 C146 + R178 180 1W R179 150 1W REC, VCC

32、 DIGITAL LINE GND LINE SIGNAL LINE R153 R151 REC, VCC Q118,119 Q113,129 270 1/4W R118 IC101 A DECK IC102 REC LEVEL UNITMAIN UNIT IC103 IC104 POWER UNIT B DECK IC601 POWER UNIT (K,P) TYPE (X,E) TYPE POWER UNIT (M,Y) TYPE CT-201/KXF-W1010 (K) REC/PLAY UNIT AREC/PLAY UNIT B METER LED UNIT MAIN UNIT Q10

33、1 P.B LEVEL ADJ P.B AMP TP1 CN101 CN102 TP2 D101 A Q103 Q104Q106 B Q105 Q107 MPX FILTER MPX FILTER Q108 Q136 TP D109 SW101-3SW101-2 DUB.N.R Q110 Q119 Q111 Q118 HEAD SELECTOR Q139 D103 D102 Q102Q109 D105 D107 D106 Q124 Q125 D108 CN103 TRAP COIL BIAS (Lch) (Rch) BIAS TRAP COIL BIAS OSC COIL TP3 Q132 Q

34、133 BIAS OSC TAPE SELECT SW101-1 SW Q122 Q123 MUTE REC EQ. REC Q120 LEVEL REC (Lch) REC (Rch) LEVEL Q121 D111A Q130 D114 D115 D117 D118 Q128 D111 D116 D112 D113 D119 REC SW Q113 Q129 Q114 D120 D122D121 SW MUTE CONTROL D123 Q115 Q116 FW108 REC LEVEL JK101 Lch Rch OUT Rch IN Lch MUTE LINE Q134 FW102 L

35、ED LEVEL Q135 Q137 Q117Q131 D129 D128 D124 D125 +12V AVR POWER +15V AVR D131 D130 DOLBY (B) NR OUTPUT AMP OUTPUT AMP SW101-4 D127 D126 FW101 AC120V 60Hz CN105 CN106CN107 CN104 AB A B D602 5+3- D603 0 D604 D605 +5 D601 D607DUBB D606REC Q601 Q602 D608 LED DRIVER FW101C AC240V 60Hz FW101A AC110-120/220

36、/230-240V 50/60Hz SW1 D110 D104 EQ. REC REC MUTE A PLAY REC AMP Q139 Q134,135 Q132,133 Q131 Q128-130 113-125,136,137 Q107,108,110,111, Q103-106 Q102,109 Q101 IC104 IC103 IC102 IC101 : DTC114YS : 2SC2878A : 2SC2001(L) : 2SD313E : 2SA733(P,Q) : 2SC945(P,Q) : DTC114TS : DTC124ES : DTC144ES : MC7812CT :

37、 CXA1101P : uPC1330HA : LA3246 or CXA1115BP: MTZ6.2BD101 D128-131 D102-111,111A,112-123 D124 D125 D126,127: 1SS142T : 1N4002 : 1N4148M : MTZ12C : RD15E(B2) Q601 Q602 IC601 : 2SC945(P,Q) : 2SA733(P,Q) : BA6124 S1 S2 S3 S4 S5 S6 D133: 1SS176 : 1N4148M : B30-2511-08 : B30-2469-08 D608 D606,607 D601-605

38、 AC OUTLET AC OUTLET 0.068 Y26-4400-10 CT-201/KXF-W1010 UPC1330HA DTC114YS DTC114TS DTC124ES DTC144ES 2SA733 2SC2001 2SC2878A 2SC945 MC7812CTCXA1115BP LA3246 CAUTION: For continued safety, replace safety critical components only with manufacturers recommended parts (refer to parts list). indicates s

39、afety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the

40、appliance is returned to the customer. The DC voltage is an actual reading measured with a high impedance type voltmeter with a cassette loaded at playback mode. The measurement value may vary depending on the measuring instruments used or on the product. Bias circuit DC voltage is measured while in

41、 the record mode. DOLBY and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Noise reduction circuit made under license from Dolby Laboratories Licensing Corporation. CT-201/KXF-101CT PCB/SD 2P 98.4.25 11:33 AM y W 2 1 2 3 AB Parts with exploded numbers larger than 700

42、 are not supplied. CT-201/KXF-W1010 EXPLODED VIEW (DECK MECHANISM : A) 9 CT-201/KXF-W1010(K) 1p 98.4.25 11:43 AM yW 8 179 181 x6 182 180 1 2 3 CD Parts with exploded numbers larger than 700 are not supplied. EXPLODED VIEW (DECK MECHANISM : B) CT-201/KXF-W1010 10 CT-201/KXF-W1010(K) 1p 98.4.25 11:43

43、AM yW 7 CT-201/KXF-W1010 1 2 EGF Parts with exploded numbers larger than 700 are not supplied. 11 EXPLODED VIEW (UNIT) CT-201/KXF-W1010(K) 1p 98.4.25 11:44 AM yW 10 CT-201/KXF-W1010 8 New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fourni

44、s. Teile ohne Parts No. werden nicht geliefert. Ref. No Add- ress New Parts Description Desti- nation Re- marks Parts No. 8 New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Ref. No Add-

45、 ress New Parts Description Desti- nation Re- marks Parts No. 6731EK27-2217-08KNOB PLAYA 6741E,2FK27-2218-08KNOB REW 6751E,2FK27-2219-08KNOB F.F 6761E,2FK27-2220-08KNOB STOP/EJECT 6781E,2FK27-2221-08KNOB PAUSE 6792FK27-2222-08KNOB RECB 6802FK27-2223-08KNOB PLAYB 6851F8L07-2611-08TRANSFORMERKP 6851F8

46、L07-2612-08TRANSFORMERYM 6851F8L07-2613-08TRANSFORMERXE GN09-3216-08SCREW(3X8)YM D601-605B30-2469-08LED,LEVEL METER D606,607B30-2511-08LED,DUBB C101-104C91-0756-05CERAMIC820PFK C105-108C91-0755-05CERAMIC680PFK C109,110CE04KW1C330MELECTRO33UF16WV C111,112CQ92FM1H103JMYLAR0.010UFJ C113CE04KW1H4R7MELEC

47、TRO4.7UF50WV C114CE04KW1HR10MELECTRO0.10UF50WV C115,116CE04KW1H4R7MELECTRO4.7UF50WV C117,118CE04KW1C101MELECTRO100UF16WV C117AC91-1525-08CERAMIC0.1UFZ C119,120CE04KW1C470MELECTRO47UF16WV C121,122CQ92FM1H682JMYLAR6800PFJ C123-130CE04KW1H010MELECTRO1.0UF50WV C132CE04KW1A101MELECTRO100UF10WV C133CE04KW

48、1C101MELECTRO100UF16WV C134CE04KW1C220MELECTRO22UF16WV C135,136CE04KW1HR68MELECTRO0.68UF50WV C137,138CE04KW1E4R7MELECTRO4.7UF25WV C139,140CE04KW1C470MELECTRO47UF16WV C141,142CE04KW1H010MELECTRO1.0UF50WV C144,144ACC45FSL1H221JCERAMIC220PFJ C145CQ93HP2A202JMYLAR2000PFJ C146CE04KW1C331MELECTRO330UF16WV C147CQ92FM1H103JMYLAR0.010UFJ C148CQ92FM1H392JMYLAR3900PFJ C149,150CQ92FM1H332JMYLAR3300PFJ C151,152C91-1524-08CERAMIC470PFK C153,154