Sony-TCM230DV-tape-sm 电路图 维修手册.pdf

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1、SERVICE MANUAL TCM-230DV US Model SPECIFICATIONS Ver 1.0 2004.02 Model Name Using Similar MechanismNEW Tape Transport Mechanism TypeMT-200DV-175 CASSETTE-CORDER 9-877-567-01Sony Corporation 2004B05-1Personal Audio Company C 2004.02Published by Sony Engineering Corporation Battery life* (approx. hour

2、s) BatteriesRecordingPlayback Sony alkalin 2516 LR6 (SG)* Sony R6P (SR)6.54 Sony rechargeable 106 batteries NH-7WMAA *Measured value by the standard of JEITA (Japan Electronics and Information Technology Industries Association). (Using a Sony HF series cassette tape on which music has been recorded

3、is played at volume setting 7 using speaker) * When using Sony LR6 (SG) alkaline dry batteries (produced in Japan) Note The battery life may be shorter depending on the operating condition, the surrounding temperature and battery type. For maximum performance we recommend that you use alkaline batte

4、ries. House Current Connect the AC power adaptor to DC IN 3V and to the mains. Use the AC-E30HG AC power adaptor (not supplied) or the supplied AC power adaptor (TCM-230DV/210DV only). Do not use any other AC power adaptor. Polarity of the plug Notes Specifications for AC-E30HG vary for each area. C

5、heck your local voltage and the shape of the plug before purchasing. Do not touch the AC power adaptor with wet hands. Connect the AC power adaptor to the easily accessible mains. Should you notice an abnormality in the AC power adaptor, disconnect it from the mains immediately. Recording system 2-t

6、rack 1 channel monaural Tape speed 4.8 cm/s (1 7/8 ips) or 2.4 cm/s (15/16 ips) Frequency range 250 - 6 300 Hz using nomal (TYPE I) cassette (with REC TIME/PLAY MODE switch at “NORMAL”) Speaker Approx. 5.0 cm (2 in.) dia. Power output 350 mW (at 10 % harmonic distortion) Input Microphone input jack

7、(minijack) sensitivity 0.2 mV for 3 k or lower impedance microphone Output Earphone jack (minijack) for 8 - 300 earphone Variable range of the tape speed From approx. +30% to 15% (with REC TIME/PLAY MODE switch at “NORMAL”) Power requirements 3 V DC batteries R6 (AA) x 2 External DC 3 V power source

8、s Dimensions (w/h/d) (incl. projecting parts and controls) Approx. 86.9 116.3 36.5 mm (3 1/2 4 5/8 1 7/16 in.) Mass (main unit only) Approx. Supplied accessories AC power adaptor (1) Battery power adaptor (1) Rechargeable batteries NH-7WMAA (1.2 V, 700 mAh, Ni-MH) (2) 171 g (6.1 oz.) Design and spec

9、ifications are subject to change without notice. RadioFans.CN 收音机爱 好者资料库 2 TCM-230DV TABLE OF CONTENTS 1. SERVICING NOTES 2 2. GENERAL 3 3. DISASSEMBLY 3-1. Disassembly Flow4 3-2. Speaker (SP901), Cassette Lid Assy 4 3-3. Cabinet (Rear) 5 3-4. MAIN Board5 3-5. Mechanism Deck (MT-200DV-175) 6 4. MECH

10、ANICAL ADJUSTMENTS 7 5. ELECTRICAL ADJUSTMENTS 8 6. DIAGRAMS 6-1. Note for Printed Wiring Boards and Schematic Diagrams 9 6-2. Printed Wiring Boards 11 6-3. Schematic Diagram 12 7. EXPLODED VIEWS 7-1. Cabinet Section 13 7-2. Mechanism Deck Section-1 (MT-200DV-175) 14 7-3. Mechanism Deck Section-2 (M

11、T-200DV-175) 15 8. ELECTRICAL PARTS LIST 16 In this set, the S102 (POWER) detects RECORD/PLAYBACK on. It is mounted on the MAIN board, and therefore the RECORD/ PLAYBACK on cannot be detected with the MAIN board removed. When making an operation check and voltage check of mechanical deck with the MA

12、IN board removed, fix the S102 at turn on. MAIN BOARD (Component Side) SECTION 1 SERVICING NOTES Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be dam- aged by heat. S102 on SAFETY-RELATED COMPONENT WARNING! COMPO

13、NENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. UNLEADED SOLDER Boards requiring use o

14、f unleaded solder are printed with the lead- free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size) : LEAD FREE MARK Unleaded solder has the following characteristics. Unleaded solder mel

15、ts at a temperature about 40 C higher than ordinary solder. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Soldering irons using a temperature regulator should be set to about 350 C. Caution: The printed pattern (copper foil) m

16、ay peel away if the heated tip is applied for too long, so be careful! Strong viscosity Unleaded solder is more viscou-s (sticky, less prone to flow) than ordinary solder so use caution not to let solder bridges oc- cur such as on IC pins, etc. Usable with ordinary solder It is best to use only unle

17、aded solder but unleaded solder may also be added to ordinary solder. RadioFans.CN 收音机爱 好者资料库 3 TCM-230DV SECTION 2 GENERAL VOR REC TIME/ PLAY MODE SPEED CONTROL MIC (Built-in microphone, Micrfono incorporado) m REW/ REVIEW PAUSE . x STOP EAR DC IN 3V MIC (PLUG IN POWER) z REC This section is extrac

18、ted from instruction manual. LOCATION OF CONTROLS RadioFans.CN 收音机爱 好者资料库 4 TCM-230DV SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 3-2.SPEAKER (SP901), CASSETTE LID ASSY SET 3-2. SPEAKER (SP901), CASSETTE LID ASSY (Page 4) 3-5. MECHANISM DECK (MT-200DV-1

19、75) (Page 6) 3-3. CABINET (REAR) (Page 5) 3-4. MAIN BOARD (page 5) 1boss 7speaker (SP901) 4cushion (B) 3 2boss 5Remove soldering from the two points. 6two screws (TP B2.0) 8two screws (TP 1.7) 9SW board q;spring (cassette) qacassette lid assy 3-1.DISASSEMBLY FLOW This set can be disassembled in the

20、order shown below. 5 TCM-230DV 3-3.CABINET (REAR) 3-4.MAIN BOARD 4two screws (BTP 1.7 9) 3screw (BTP 1.7 9) 2screw (1.7 16) 5two claws 5claw 5claw 5two claws 6 7cabinet (rear) 1 5three screws (M1.4 3) 6MAIN board1Remove soldering from the two points. 4Remove soldering from the two points. 2Remove so

21、ldering from the four points. 3Remove soldering from the seven points. RED RED BLK BLK WHT WHT ORG 6 TCM-230DV 3-5.MECHANISM DECK (MT-200DV-175) 2two screws (M1.4 2.2) 1 3screw (IB LOCK) 4mechanism deck (MT-200DV-175) 7 TCM-230DV SECTION 4 MECHANICAL ADJUSTMENTS PRECAUTION 1.Clean the following part

22、s with a denatured-alcohol-moistened swab: record/playback headpinch roller erase headrubber belt capstanidlers 2.Demagnetize the record/playback head with a head demagnetizer. (Do not bring the head demagnetizer close to the erase head.) 3.Do not use a magnetized screwdriver for the adjustments. 4.

23、After the adjustments, apply suitable locking compound to the parts adjusted. 5.The adjustments should be performed with the rated power supply voltage (2.5 V) unless otherwise noted. TORQUE MEASUREMENT ModeTorque MeterMeter Reading FWD 2.16 - 4.7 mNm (22 - 48 gcm) CQ-102C (0.31 - 0.67 ozinch) FWD 0

24、.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) TAPE TENSION MEASUREMENT ModeTorque MeterMeter Reading 4.90 mNm FWDCQ-403C(more than 50 g) (more than 1.76 oz) 8 TCM-230DV SECTION 5 ELECTRICAL ADJUSTMENTS TAPE SPEED ADJU

25、STMENT Mode: playback Procedure: Normal Speed 1.Set REC TIME switch (S601) to NORMAL (4.8 cm/s) position, and playback the tape (WS-48A) . 2.Adjust RV601 so that frequency counter reading becomes 3,040 Hz. Specification values: 3,030 to 3,050 Hz Double Speed 3.Set REC TIME switch (S601) to DOUBLE (2

26、.4 cm/s) position. 4.Playback the tape (WS-48A) from the beginning for two minutes, then adjust RV602 so that frequency counter reading becomes 1,540 Hz. Specification values: 1,535 to 1,545 Hz Confirm that deflection of the frequency counter reading between the beginning and the end of tape is with

27、in 1% (NORMAL: approx. 30.4 Hz, DOUBLE: approx. 15.4 Hz) . Adjustment Location: MAIN BOARD (Conductor Side) RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT Mode: playback Procedure: 1.Turn the adjustment screw to obtain the maximum reading on level meter. Note: Several peaks may appear, but take the maximum

28、. 2.After the adjustment, lock the adjustment screw with suitable locking compound. Adjustment Location: level meter test tape P-4-A063 (6.3 kHz, 10 dB) 16 set EAR jack (J103) + frequency counter test tape WS-48A (3 kHz, 0 dB) 16 EAR jack (J103) set + SETTING: Supplied voltage: 2.5 V Switch and cont

29、rol position VOL control (RV101): mechanical center PAUSE switch (S301) : OFF SPEED CONTROL(RV603): center click VOR switch (S501): OFF TEST TAPE TypeSignal Used for P-4-A0636.3 kHz, 10 dBHead Azimuth Adjustment WS-48A3 kHz, 0 dBTape Speed Adjustment 0 dB=0.775 V w . adjustment screw J102 RV601 Tape

30、 Speed Adjustment (Normal Speed) RV602 Tape Speed Adjustment (Double Speed) J103 9 TCM-230DV 6-1.NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Schematic Diagram: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalu

31、ms. All resistors are in and 1/4 W or less unless otherwise specified. C : panel designation. A : B+ Line. H : adjustment for repair. Total current is measured with no cassette installed. Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal. Voltages are dc with respe

32、ct to ground under no-signal conditions. no mark : PLAYBACK () : RECORD Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal produc- tion tolerances. Signal path. E: PLAYBACK a: RECORD Note on Printed Wiring Boards: X : parts extracted from the componen

33、t side. Y : parts extracted from the conductor side. z: Through hole. : Pattern from the side which enables seeing. (The other layers patterns are not indicated.) Caution: Pattern face side:Parts on the pattern face side seen from (Conductor Side)the pattern face are indicated. Parts face side:Parts

34、 on the parts face side seen from (Component Side)the parts face are indicated. SECTION 6 DIAGRAMS 10 TCM-230DV IC Block Diagrams MAIN Board IC101NJM2128M-TE2 FC GND VCC VCC FC WB VCC NC UOUT VOUT WOUT P-GND VB UB GND TO CONTROL BLOCKS TO EACH BLOCKS RI OUT VSP IN+ VREF S/S COM OSC 75431268910 11121

35、3141516182019 STARTING DETECT POWER SUPPLY BIAS OSCILLATING CIRCUIT SPEED CONTROL REFERENCE VOLTAGE REFERENCE VOLTAGE CURRENT DETECT SPEED DETECT WAVEFORM DETECT COMMUTATION STARTING LOGIC SOFT SWITCH PRE DRIVER + 17 IC601LB1979VL-TLM-E IC102LM4890MMX 1 BIAS 3 4 2 8 6 5 7 SHUTDOWN BYPASS +IN -IN VO2

36、 GND VDD VO1 + + 14 13 12 11 10 9 2 3 4 5 6 7 8 PRE +IN PRE AMP 15 16 + ALC 1 RIPPLE FILTER POWER AMP A POWER AMP B S GND POWER +IN A POWER -IN A POWER -IN B POWER +IN B RF OUT RF IN TC ALC IN POWER GND POWER OUT B PRE -IN PRE OUT POWER OUT A VCC IC501NJM2072M 1 2 3 45 6 7 8 INPUT GAIN CONT AMP OUT

37、GND VCC OUTPUT1 RECOVERY TIME CAP OUTPUT2 TCM-230DV 1111 6-2.PRINTED WIRING BOARDS :Uses unleaded solder. (12) 12 1-686-273- MAIN BOARD(COMPONENT SIDE) C313 R303 R304 R301 S301 OFF ON R315 R314R611 HRP901 HE901 C102 R115 R112 R316 R507 C501R503R502 R505R501 R309 C107 R104 R105 R110 C114 R311 R312 C1

38、13 R506R504C502 R306 R305 C305+ C306+ C304 + C127 + Q501 Q301 B C E B C E D301 KA R102 C106 C109 R107 R108 R111 C115 C105 R120 C116 R121 C503 C110 R109 R201 C126 C124 R319 C308 C118 C504 C117 Q304 B C E 1 4 8 5 IC501 R604R607 R601 C120 R320 R123 R126 C121 C601 C603 C125 C609 R612 C608 R602 C610 R603

39、 C123 R113 C119 C128 R125 R313 R609 R613 R614 R615 C602 R605 C607 R610 R606 THP601 C605 RV601RV602 14 85 IC601 Q502 Q602 B C E BCE Q604 Q603 BCE Q601 BCE BCE C606 + Q302 BCE C101 C104 C103 R117 R116 C111 14 85 IC102 Q303 B C E S501 H L OFF W114W113 W104 WHT W607 W605 W606 W107 W108 W109 W110 SL100 W

40、602 W603 W604 W601 W105 W106 W102 1 8 16 9 IC101 S101 (REC/PB) PB REC C310 W101 + + C505 + C311 + C307 + C309 + C303 + C302 S102 (POWER) + C611 + C312 + C301 J101 J103 J102 RV101 MAIN BOARD (CONDUCTOR SIDE) (12) 12 1-686-273- W103 PAUSE D303 (BATT) MIC901 MIC VOL EAR RED BLK MIC (PLUG IN POWER) -1 -

41、2 -3 -4 -5 -6 BLK VIO BRN BLU RED YEL ORG BRN WHT BLK RED + DC IN 3V DRY BATTERY SIZE AA (IEC DESIGNATION R6) 2PCS. 3V BLK W WHT V BRN U M901 (CAPSTAN/REEL) RED VCC W209 W208 W207 W706 W705 W707 VIO W210 SPEED CONTROL RV603 W216 W215 SP901 BLK BLK (12) 11 1-686-271- S601 DOUBLE NORMAL REC TIME /PLAY

42、 MODE BLU YEL ORG RED BRN BLK SW BOARD A B C D E F G H I J K 12345678910111213 -1 -2 VOR D301C-11 D303A-12 IC101D-9 IC102G-8 IC501F-10 IC601I-10 Q301D-11 Q302D-9 Q303H-8 Q304F-10 Q501C-11 Q502I-9 Q601H-9 Q602I-9 Q603H-9 Q604I-9 Semiconductor Location Ref. No.Location TCM-230DV 1212 6-3.SCHEMATIC DIA

43、GRAM See page 10 for IC Block Diagrams. C312 R320 Q304 R120 R121 C116 C117 C306 R311R312 C304 C118 C111 C501 C309 R316C126 C124R201 R112 C115 R111 C120 R113 R123C123 C121R125 R126C128 C308 C310 C311 R319 R116 R117 C119 R313 D301 C307 R110 C113 R102 C106C109 R107 R108 R104 R105 C107 W103 W104 C303 R3

44、05 R306 C101 R303 R304 C103 R314 R611 C313 R315 Q501 W105 W106 W113 W114 D303 C125 C301 W101 R507 Q502 W107 W108 W109 W110 W605 W606 W607 C503R504 R502C502R501C504 S501 R505R503R506 R604 C601 R601C605 R609 IC102 Q303 IC501 R607 R602 IC601 R605 C602 C603 C606 W102 J101 W601 W602 W603 W604 R612 C608 C

45、610 C607 C609 R610 R606 C611 R615 R613R614 Q601Q603 Q604Q602 HE901 HRP901 J102 J103 MIC901 Q302 C114 W207 W208 W209 W705 W706 W707 RV603 C104 C305 C105 R115 C127 R301 SP901 SL100 S102 M901 IC101 C110 R109 RV101 Q301 R309 C302 C102 RV601 THP601 R603 RV602 S301 C505 W215 W216 S601 W210 10 6.3V 4.7k UN

46、5114-TX 2.2k 2.2k 1 0.01 1010V 4.7k10k 10 10V 1 1 0.01 10 6.3V 2.2M1000p 1000p22 2.2 0.1 4.7 1 22k 10k0.47 2200p4.7k 10k1 0.01 47 4V 47 4V 47k 100 47 1 10k MA111-TX 10 6.3V 10k 2200p 220 0.470.47 1k 470 10k 22k 0.01 10 6.3V 470 470 0.047 22k 10k 1000p 470 1k 1000p 2.2k UN5214-TX L-132XHD 1000p 470 4

47、V 4.7k UN5214-TX 0.0110k 100k4700p10k1000p 47k100k22k 100 0.472.2k2.2 100k LM4890MMX UN5114-TX NJM2072M(TE2) 1k 10k LB1979VS-TLM 1M 0.047 0.047 1010V 10k 0.047 0.22 0.047 0.047 1M 1M 10 6.3V 10k 100100 UN5214-TXUN5114-TX 2SA17452SA1745 2SC4213 2200p 30k 0.047 22 6.3V 1000p 47 1 16V 1k NJM2128M-TE2 0

48、.22 10k 10k UN5215-(TX) 10k 22 4V 0.1 4.7k 10k 4.7k 22 4V -IN +IN BYPASS SHUTDOWN VO1 VDD GND VO2 PRE -IN PRE OUT POW OUTA V+ POW GND POW OUTB TC ALC IN PRE +IN SGND POW +INA POW -INA POW -INB POW +INB RF OUT RF IN VCC OUT2 OUT1 RCV TIME IN GAIN CTL AMP OUT GND HOFFL RECPB (REC/PB) MUTING REC PB (RE

49、C/PB) B+ SWITCH SWITCH RECPB (REC/PB) RECPB (REC/PB) REC PB (REC/PB) RECPB (REC/PB) POWER AMP MUTING CONTROL FC IN OUT VSP IN+ VREF S/S COM OSC WB VCC NC U OUT V OUT W OUT P-GND VB UB GND FC GND CAPSTAN/REEL MOTOR DRIVE BATT DRY BATTERY SIZEAA (IEC DESIGNATION R6) 2PCS. 3V (POWER) BRAKE SWITCH VOL (REC/PB) (ERASE) (PLUG IN POWER) MIC MIC EAR DOUBLE NORMAL SPEED CONTROL PAUSE ONOFF DC IN 3V VCC W V U (CAPSTAN/REEL) CONTROL MOTOR SWITCH CONTROL MOTOR MOTORSTOP MUTE SWI