Sony-TCS30D-tape-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL Ver 1.1 2000. 11 With SUPPLEMENT-1 (9-927-684-81) STEREO CASSETTE-CORDER US Model Canadian Model AEP Model E Model Chinese Model SPECIFICATIONS TCS-30D Model Name Using Similar MechanismNEW Tape Transport Mechanism TypeMT-30D-118 Specifications Recording system 4-track 2 channel stere

2、o Tape speed 4.8 cm/s or 2.4 cm/s Frequency range Recording: 250-6,300Hz Playback:50-14,000Hz using nomal (TYPE I) cassette (with REC TIME switch at “NORMAL”) Speaker Approx. 3.6 cm (1 7/16 in.) dia. Power output 350 mW (at 10 % harmonic distortion) Input Microphone input jack (minijack) sensitivity

3、 0.3 mV for 3 kilo-ohms or lower impedance microphone Output i (headphones) jack (minijack) for 8-300 ohms headphones Variable range of the tape speed From approx. +30% to 15% (with REC TIME switch at “NORMAL”) Power requirements 3 V DC batteries R6 (AA) 2/ External DC 3 V power sources Dimensions (

4、w/h/d) (incl. projecting parts and controls) Approx. 91 112 39.2 mm (3 5/8 4 1/2 1 9/16 in.) Mass Approx. 170 g (6.0 oz.) Supplied accessories Headphones (1) Stereo microphones (1) Design and specifications are subject to change without notice. Battery life (Approx. hours) (EIAJ*) SonySony alkalineR

5、6P LR6 (SG)(SR) Playback92 Recording123 * Measured value by the standard of EIAJ (Electronic Industries Association of Japan). (Using a Sony HF series cassette tape) Note The battery life may shorten depending on the operation of the unit. RadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTS 1.SERVICING NOTE

6、S.3 2.GENERAL.4 3.DISASSEMBLY.5 4.MECHANICAL ADJUSTMENTS.8 5.ELECTRICAL ADJUSTMENTS.9 6.DIAGRAMS 6-1.Block Diagram . 11 6-2.Printed Wiring Boards. 13 6-3.Schematic Diagram . 15 7.EXPLODED VIEWS. 18 8.ELECTRICAL PARTS LIST. 21 Notes on chip component replacement Never reuse a disconnected chip compon

7、ent. Notice that the minus side of a tantalum capacitor may be dam- aged by heat. RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 SERVICING NOTES THE OPERATION CHECK AND THE VOLTAGE CHECK WHEN THE MAIN BOARD REMOVED This set detects which button of REC, PLAY, FF, or REW was pressed using the POWER switch (S303)

8、. However, this button operation cannot be detected if the MAIN board is removed because the POWER switch (S303) is mounted on the MAIN board. Therefore, if the operation check and the voltage check are per- formed with the MAIN board removed, the POWER switch (S303) must be fixed to ON state. on S3

9、03 MAIN BOARD (Conductor Side) TAP201 TAP101 TAP202 TAP102 TAP201 TAP101 TAP202 TAP102 IC302 MAIN BOARD (Conductor Side) CHANGE THE SPECIFICATION (US Model Only) For the mounted MAIN board (A-3021-325-A), the TAP101 and 201 patterns are opened. This specification is for the Canadian, AEP, E, and Chi

10、nese mod- els. Accordingly for the US model, short the TAP101 and 201 with a solder to change the specification. RadioFans.CN 收音机爱 好者资料库 4 SECTION 2 GENERAL This section is extracted from instruction manual. B AA DC IN 3V AC power adaptor Adaptador de alimentacin de CA Transformador de corrente CA R

11、EC TIME MIC z REC x STOP m REW/ REVIEW PAUSE . A BATT i Built-in microphone Micrfono incorporado Microfone incorporado Side A Cara A Tab for side A Lengeta de la cara A Patilha do lado A E C D Capstan Cabrestante Cabrestante Erase head Cabezal de borrado Cabea de eliminaao Pinch-roller Rodillo de ap

12、riete Roletes Cotton swab Bastoncillo de algodn Cotonete Record/playback head Cabezal de grabacin/ reproduccin Cabea de gravao MIC (PLUG IN POWER) VOL Lever Palanca Alavanca N PLAY x STOP m REW/REVIEW PAUSE . SPEED CONTROL M FF/CUE 5 CABINET (REAR), “LID BLOCK ASSY, CASSETTE” Note: Follow the disass

13、embly procedure in the numerical order given. SECTION 3 DISASSEMBLY This set can be disassembled in the order shown below. SET CABINET (REAR), “LID BLOCK ASSY, CASSETTE” MAIN BOARD, MECHANISM DECK (MT-30D-118) BELT 8 lid block assy, cassette INSTALLATION “SPRING, CASSETTE” cabinet (front) 5 strap, h

14、and 3 claw 3 four claws 2 screw (IB lock) 4 cabinet (rear) 1 three screws (B1.7 10) 7 boss 7 boss 6 Remove five solders. lid, cassette spring, cassette spring, cassette 6 MAIN BOARD, MECHANISM DECK (MT-30D-118) BELT 6 claw 2 screw (1.7) 3 screw (M1.4) 4 MAIN board 7 mechanism deck (MT-30D-118) 5 thr

15、ee screws (IB lock) 1 Remove two solders of electret condenser microphone (MIC901). 1 Remove four solders of magnetic head (HRP901). 1 Remove two solders of motor (M901). Cabinet (front) 1 belt (capstan) 2 belt (FR) capstan belt FR belt pulley (FR) assy flywheel assy motor, DC 7 INSTALLATION MAIN BO

16、ARD NOTE: On installation MAIN board, adjust to the S301 and the S303. screw (1.7) screw (M1.4) MAIN board S301 (REC/PB) S303 (POWER) lever (REC) 8 ModeTorque MeterMeter Reading 4.90 mNm FWDCQ-403C(more than 50 g) (more than 1.76 oz) ModeTorque MeterMeter Reading FWD 2.16 - 4.7 mNm (22 - 48 gcm) CQ-

17、102C (0.31 - 0.67 ozinch) FWD 0.05 - 0.29 mNm (0.5 - 3 gcm) Back Tension (0.007 - 0.04 ozinch) FF 4.90 mNm CQ-201B(more than 50 gcm) REW(more than 0.69 ozinch) SECTION 4 MECHANICAL ADJUSTMENTS Tape Tension Measurement 1.Clean the following parts with a denatured-alcohol-moistened swab: record/playba

18、ck headpinch roller erase headrubber belt capstanidlers 2.Demagnetize the record/playback head with a head demagne- tizer. (Do not bring the head demagnetizer close to the erase head) 3.Do not use a magnetized screwdriver for the adjustments. 4.After the adjustments, apply suitable locking compound

19、to the parts adjusted. 5.The adjustments should be performed with the rated power supply voltage (2.5 V) unless otherwise noted. Torque Measurement 9 SECTION 5 ELECTRICAL ADJUSTMENTS Tape Speed Adjustment Setting: Procedure: Normal 1.Set the REC TIME switch (S601) to NORMAL position. 2.Playback WS-4

20、8A (tape center) in the FWD state. 3.Adjust RV601 so that the frequency counter reading becomes 3,000 Hz. Specified Value: 2,970 to 3,030 Hz 4.Check that deflection of the frequency counter reading between the beginning and the end of tape is within 1.5% (approx. 45 Hz). Double (1/2 SPEED) 1.Set the

21、 REC TIME switch (S601) to DOUBLE position. 2.Playback WS-48A (tape center) in the FWD state. 3.Adjust RV602 so that the frequency counter reading becomes 1,500 Hz. Specified Value: 1,485 to 1,515 Hz Adjustment Location: PRECAUTION 1.Specified voltage: 2.5 V (DC) 2.Setting SPEED CONTROL dial: center

22、 click 0 dB=0.775 V Test Tape Record/Playback Head Azimuth Adjustment Setting: Mode: playback (normal speed) Procedure: 1.Turn the adjustment screw to obtain the maximum reading on level meter. Note: Several peaks may appear, but take the maximum. 2.After the adjustment, lock the adjustment screw wi

23、th suitable locking compound. Adjustment Location: TypeSignal Used for P-4-A0636.3 kHz, 10 dBHead Azimuth Adjustment WS-48A3 kHz, 0 dBTape Speed Adjustment level meter test tape P-4-A063 (6.3 kHz, 10 dB)US: 32 Except US: 16 set i jack (J301) + adjustment screw Press the N button. frequency counter t

24、est tape WS-48A (3 kHz, 0 dB) set i jack (J301) + US: 32 Except US: 16 RV602 Tape Speed Adjustment (Double) J301 RV601 Tape Speed Adjustment (Normal) J302 MAIN BOARD (Conductor Side) TCS-30D 11 12 SECTION 6 DIAGRAMS 6-1.BLOCK DIAGRAM SIGNAL PATH : PB : REC : MIC R-CH: Same as L-CH. L-CH R-CH R-CH HE

25、901 (ERASE) HRP901 (REC/PB) PB PREAMP, MIC AMP, REC AMP IC301 3 816 5 10 PB IN A MIC A REF 10 REC DRV OUT A 9 REC DRV IN A LINE OUT APB PREAMP REF MIC AGC ATT LINE AMP AGC DET REC AMP REC/PB SWITCH HEADPHONES AMP 1 S301-4 (REC/PB) REC PB S301-2 (REC/PB) REC PB REC BIAS SWITCH Q102 B+ R-CH 2 GCA MIC

26、AMP R-CH MIC901 MIC PULG IN POWER J302 PB/REC SW + DISCHARGE SWITCH Q301 VOL MUTING RV301 IN A OUT A IN A IN B MUTE HEADPHONES AMP IC302 (1/2) R-CH + INV OUT INVERTER AMP OUT B OUT A SP901 (SPEAKER) 6 1 8 11 3 RIPPLE FILTER POWER AMP POWER AMP SPEAKER AMP, RIPPLE FILTER IC303 REF INREF CNTL STANDBY

27、J301 i BATT B+ DRY BATTERY SIZE “AA” (IEC DESIGNATION R6) 2PCS. 3V CN301 DC IN 3V + S303 (POWER) 17 RIPPLE FILTER Q308 MIC B+ STANDBY SWITCH Q304S301-3 (REC/PB) REC PB B+ PULG IN/OUT MUTE SWITCH Q307-1 SPEAKER AMP SWITCHING Q306 Q307-2 PAUSE S302 BATT D401 ON OFF + MUTE PULSE GENERATOR (PAUSE ON) Q3

28、09 + MUTE PULSE GENERATOR (PAUSE OFF) Q310 MUTING SWITCH Q302, 303 D301 1113 VR BASE PW RIPPLE FILTER IC302 (2/2) RIPPLE FILTER POWER ON/OFF 12 RIPPLE FILTER Q305 13 13+ MOTOR B+ CAPSTAN/REEL MOTOR DRIVE IC601 34 VOUTV+ VCONT 8 VSENS MOTOR DRIVER TAPE SPEED (DOUBLE) RV602 THP601 S301-1 (REC/PB) REC

29、PB REC TIME S601 NORMAL DOUBLE TH602 TAPE SPEED (NORMAL) RV601 SPEED CONTROL RV603 M M M901 (CAPSTAN/REEL) 15 6 TCS-30D C318 C335 R214 C317 R403 R302 R203 R205 R105 R202 R102 R103 R301 R402 R111 R211 R303 R310 R334 C302 C303 C212 C213 C112 C214 C311 C113 C321 C208 C209 C203 C204 R314R337 R339 R335 R

30、341 R336 R603R608 R607 R610 R601 R604 C114 C345C344 C601 C329 C346 C350 C340 C207 C104 C107 C205 C105 C103 C108 C348 C324 C109 C301 C111 C210 C110 C304 C320 C211 R212 R213 R112 R113 R332 R333 R308 R207R206 R107 R338 R106 R108R109 R342 R208 R209 R331 R307 R114 Q102 BCE Q202 BCE Q301 BCE D301 AK +C360

31、 +C334 +C342 +C331 +C332 +C337 +C341 +C603 +C333 BCEBCE IC301 112 2413 IC303 19 18 10 IC302 1 8 9 16 Q304 Q306 Q305 B C E BCE Q308 IC601 1 4 8 5 RV602 THP601 TH602 MAIN BOARD (CONDUCTOR SIDE) DC IN 3V + CN301 DRY BATTERY SIZE “AA” (IEC DESIGNATION R6) 2PCS. 3V M901 (CAPSTAN/REEL) RED BLK M M SP901 (

32、SPEAKER) BLK RED/BLK BLK/RED RED 1 3 BLK 1-675-339- (11) 11 S303 (POWER) Q307 1B E 2B 1C 2C BLK RED MIC901 MIC BLU WHT RED HRP901 (REC/PB) R-CH L-CH TAP201(US) TAP202 TAP101 TAP102 1 2 RV301 VOL D401 BATT J301 i J302 MIC E CB Q302 R312 R306 R313 R602 R309 R204 R104 C202 C102 R311 R305 R304 + C326 +C

33、315 +C327 Q310 Q303 Q309 B C E B C E BCE MAIN BOARD (COMPONENT SIDE) C602 + C323 + C314 + C308 + C305 + C309 + C206 + C106 + C310 + C338 + C306 + C312+C313 + C307+ C319+ C316+ RV603 SPEED CONTROL 1-675-339-(11) 11 SWITCH BOARD 1-675-340- 11 BLK RED 1 3BLK 05 1 A 2345678910111213 B C D E F G H I J S3

34、01 (REC/PB) REC PB 1 2 3 4 HE901 (ERASE) RV601 S302 PAUSE OFF ON DOUBLE NORMAL S601 REC TIME C390 13 14 6-2.PRINTED WIRING BOARDS Semiconductor Location Ref. No.Location D301D-11 D401B-12 IC301D-10 IC302D-12 IC303F-10 IC601H-9 Q102B-9 Q202C-9 Q301C-11 Q302C-2 Q303D-2 Q304F-11 Q305E-12 Q306E-12 Q307E

35、-12 Q308G-9 Q309D-2 Q310E-2 Note on Printed Wiring Boards: X : parts extracted from the component side. Y : parts extracted from the conductor side. x: parts mounted on the conductor side. z: Through hole. b : Pattern from the side which enables seeing. (The other layers patterns are not indicated.)

36、 Caution: Pattern face side:Parts on the pattern face side seen from (Conductor Side)the pattern face are indicated. Parts face side:Parts on the parts face side seen from (Component Side)the parts face are indicated. TCS-30D 15 16 6-3.SCHEMATIC DIAGRAM See page 17 for IC Block Diagrams. Note on Sch

37、ematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specified. C : panel designation. U : B+ Line. H : adjustment for repair. Total current is measured wi

38、th no cassette installed. Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal. Voltages are dc with respect to ground under no-signal conditions. no mark : PB () : REC Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal

39、 production tolerances. Signal path. E: PB a: REC N: MIC IC Block Diagrams IC301CXA2500N-T4 (1)CABINET SECTION SECTION 7 EXPLODED VIEWS Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. The mechanical part

40、s with no reference num- ber in the exploded views are not supplied. Accessories and packing materials are given in the last of the electrical parts list. NOTE: -XX and -X mean standardized parts, so they may have some difference from the original one. Color Indication of Appearance Parts Example: K

41、NOB, BALANCE (WHITE) . . . (RED) Parts Color Cabinets Color Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 17 18 28 13 15 16 22 1 7 6 10 11 MIC901 MT-30D-118 9 8 5 4 1 26 2 26 26 3 25 24 23 2120 1 19 30 17 SP901 26 19 32 not supplied 31 29 Abbreviation 1E: No indication of countr

42、y of origin CND: Canadian model CH: chinese model 2423212019181716141513 12456789111012 AGC GCA GCA MIC MIC AMP AMP LINE LINE PB PB REC REC REF AGC DET PB/ REC TAPE/TUNER, NORM/METAL GND MIC IN B PB NF B PB OUT A PB EQ SW B TUNER IN B LINE OUT B REC DRIVE IN B VCC REC DRIVE OUT B PB/REC SEL REF MIC

43、IN A PB NF A PB OUT A PB EQ SW A TUNER IN A LINE OUT A REC DRIVE IN A AGC TIME CONSTANT REC DRIVE OUT A TUNER, TAPE SEL 22 3 PB PRE IN B PB PRE IN A 161514131211109 1345678 + + MUTE POWER OFF RIPPLE FILTER DC DC IN1 NF1 VB1 PW BASE VRF OUT1 VCC IN2 NF2 VB2 BY2 MUTE BY1 OUT2 GND 2 181716151413121110

44、123456789 + + + BIAS RF OUT RFC BASE OUT MUTE OUT1 IN1 NF1 PWR OUT1 VCC STNBY PWR MUTE INVOUT NFB MUTE OUT2 IN2 NF2 PWR OUT2 GND RIPPLE FILTER MUTE PWR1 PWR2 INV IC302TA7688F-SO IC303 BA6640F-E2 13-318-382-31 SCREW (1.7), TAPPING 23-345-648-51 SCREW (M1.4), TOOTHED LOCK * 3A-3021-325-A MAIN BOARD, C

45、OMPLETE 43-924-741-01 TERMINAL, PLUS 53-936-973-01 TERMINAL, MINUS 63-924-744-01 SPRING(CLAW DETECTION),TENSION 73-924-743-01 CLAW, ERASING PROTECTION 83-334-565-41 SCREW (B1.7), TAPPING 93-924-745-01 BAR, GROUND 103-924-740-01 HOLDER, MICROPHONE 113-924-763-01 CUSHION (MICROPHONE) 133-704-197-33 SC

46、REW (IB LOCK) 153-019-364-81 CABINET (FRONT) (US, CND, AEP, E, CH) 153-019-364-91 CABINET (FRONT) (1E) 163-924-739-01 SPRING, CASSETTE 17X-3379-233-1 LID (A) ASSY, CASSETTE (EXCEPT AEP) 17X-3379-234-1 LID (B) ASSY, CASSETTE (AEP) * 193-924-757-01 BRACKET (SPEAKER) 203-328-319-01 STRAP, HAND 213-924-

47、749-21 LID, BATTERY CASE 223-924-747-21 KNOB (PAUSE) 233-019-597-21 CABINET (REAR) 243-334-565-11 SCREW (B1.7X10), TAPPING 253-366-890-51 SCREW (M1.4X6.0) 263-831-441-99 CUSHION 283-831-441-11 CUSHION, CABINET UPPER 10X7X0.5 * 291-675-340-11 SWITCH BOARD 303-927-521-01 CUSHION (BATTERY CASE LID) 313

48、-042-506-01 KNOB (RECORD TIME) 324-017-441-01 CUSHION (B) MIC901 1-542-136-11 MICROPHONE, ELECTRET CONDENSER (MIC) SP9011-505-331-11 SPEAKER (3.6cm) 19 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark (2)MECHANISM DECK SECTION-1 (MT-30D-118) 51X-3377-250-1 LEVER, (2) ASSY, PINCH 523-925-146-11 BUTTON (FF) (M) 533-9