索尼SONY TCM-40DV电路图.pdf

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1、MICROFILM SERVICE MANUAL CASSETTE-CORDER US Model Canadian Model AEP Model E Model Model Name Using Similar MechanismTCM-36 Tape Transport Mechanism TypeMT-40-118 SPECIFICATIONS TCM-40DV Ver 1.0 1999. 04 ? ? ? ? ? ? ? ? ? ? 2 TABLE OF CONTENTS 1.SERVICING NOTES.2 2.GENERAL.3 3.DISASSEMBLY.4 4.MECHAN

2、ICAL ADJUSTMENTS.6 5.ELECTRICAL ADJUSTMENTS.7 6.DIAGRAMS 6-1.Block Diagram .8 6-2.Printed Wiring Boards . 10 6-3.Schematic Diagram . 13 7.EXPLODED VIEWS. 19 8.ELECTRICAL PARTS LIST. 22 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur- ing repairing. Do not

3、 touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the conductor when soldering or unsoldering. Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may b

4、e dam- aged by heat. SECTION 1 SERVICING NOTES In this set, the S102 (POWER) detects REC/PLAYBACK on. It is mounted on the MAIN board, and therefore the REC/PLAY- BACK on cannot be detected with the MAIN board removed. When making an operation check and voltage check of mechani- cal deck with the MA

5、IN board removed, fix the S102 at turn on. MAIN BOARD (Conductor Side) S102 on ? ? ? ? ? ? ? ? ? ? 3 SECTION 2 GENERAL This section is extracted from instruction manual. Location of Controls VOL MIC EAR TAPE COUNTER Flat mic Micropohone plat REC TIME VOR BATT/REC/i DC IN 3 V rREC pSTOP 9PLAY PAUSEc

6、)FF/CUE SPEED CONTROL 0REW/REVIEW ? ? ? ? ? ? ? ? ? ? 4 CABINET (REAR), CASSETTE LID Note: Follow the disassembly procedure in the numerical order given. SECTION 3 DISASSEMBLY This set can be disassembled in the order shown below. SetCabinet (Rear), Cassette LidMAIN Board, Mechanism Deck (MT-40-118)

7、 Belt 8cassette lid 5strap 3two claws 3claw 2screw 4cabinet (rear) 1three screws (B1.7 10) 7boss 7boss 6flexible board (CN102) 9cassette spring 3claw ? ? ? ? ? ? ? ? ? ? 5 MAIN BOARD, MECHANISM DECK (MT-40-118) NOTE FOR INSTALLATION MAIN BOARD On installation MAIN board adjust the S101 and REC lever

8、. 7claw 3screw (1.7) 4screw (M1.4) 5MAIN board 8mechanism deck (MT-40-118) 6three screws (IB lock) button (pause) 2Remove the two solders of the head lead (HRP901). 1Remove four solders of motor leads (M901). S105 Note: On installation MAIN board adjust the S105 and button (pause). REC lever screw (

9、1.7) S101 screw (M1.4) MAIN board ? ? ? ? ? ? ? ? ? ? 6 BELT 1capstan belt 2FR belt 3counter belt SECTION 4 MECHANICAL ADJUSTMENTS Tape Tension Measurement 1.Clean the following parts with a denatured-alcohol-moistened swab: record/playback headpinch roller erase headrubber belt capstan 2.Demagnetiz

10、e 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 to the parts adjusted. 5.The adjustments should be performed with t

11、he rated power supply voltage (2.5 V) unless otherwise noted. Torque Measurement ModeTorque MeterMeter Reading FWD 22 48 gcm CQ-102C (0.31 0.67 ozinch) Forward Back1.0 4.5 gcm Tension(0.014 0.063 ozinch) FF, REWCQ-201B more than 50 gcm (more than 0.69 ozinch) ModeTension MeterMeter Reading FWDCQ-403

12、A more than 50 g (more than 1.76 oz) capstan belt FR belt pulley (FR) assy pulley counter counter tape counter belt flywheel assy motor DC ? ? ? ? ? ? ? ? ? ? TCM-40DV 7 8 9 6-1.BLOCK DIAGRAM SECTION 6 DIAGRAMS SECTION 5 ELECTRICAL ADJUSTMENTS MIC AMP, REC/PB EQ AMP IC101 (1/2) POWER AMP, VOR CONTRO

13、L, REGULATOR, CAPSTAN/REEL MOTOR DRIVE IC101 (2/2) VOLTAGE DETECT IC501 05 SIGNAL PATH : PLAY : RECORD TH602 RV605 GVN VREF GVN OUT OUT VREF MIC VCC Q106 REC/PB MONITOR LEVEL SWITCHING SP901 (SPEAKER) POW OUT 1 POW OUT 2 POW IN REC B+ REC B+ REC B+ REC B+ REC B+ REC B+ PB B+ POWER ON B+ POWER ON B+

14、POWER ON B+ BATTERY B+ BATTERY B+ PB B+ REC B+ PB B+ PRE OUT PRE NF MIC IN EQ IN REC OUT VREF VREF VREF S102 (POWER) S101 (4/6) S101 (1/6) HRP901 (REC/PB) HE901 (ERASE) Q101 AGC CONTROL MIC101 (MIC) 19 16 4 27 26 12 14 LED DRIVE 24 PAUSE D603 22 MUTE VCC 21 15 VCC 7 VS 6 11 VOR DELAY 7 R/P SW 23 1 R

15、EC IN 3 2 29 4 ALC CONT 5 28 J102 MIC (PLUG IN POWER) RV101 VOL J101 EAR MIC AMP EQ AMP POWER AMP VOX REC/PB PAUSE MUTE RIPPLE FILTER COMPARATOR BOOSTER CIRCUIT REFERENCE VOLTAGE GENERATOR REFERENCE VOLTAGE MUTE SWITCH Q107, 108 LED DRIVE Q501 REGULATOR MOTOR DRIVER REC AMP ALC VOR LOW SWITCH Q402 M

16、OTOR CONTROL SWITCH Q605 MOTOR BRAKE SWITCH Q603, 604 MOTOR BRAKE CONTROL SWITCH Q601, 602 VOR ON SWITCH Q403 BUFFER Q102 VOICE MIRROR Q503 MUTE SWITCH Q109, 110 NF Q103 REC EQ SWITCH Q104 PB EQ SWITCH S101 (REC/PB) PB REC S101 (6/6) (REC/PB) PB REC S101 (6/6) S101 (2/6) (REC/PB) PB REC S101 (5/6) (

17、REC/PB) PB REC REC TIME S601 DOUBLE NORMAL OFF ON S101 (3/6) (REC/PB) PB REC + PB B+ Q502 MUTE SWITCH Q404 SWITCHING Q401 VOR OFF SWITCH PB B+ PAUSE c S105 BATT D503 BATT /REC D502 i D501 OFFHL VOR S401 DRY BATTERY SIZE “AA” (IEC DESIGNATION R6) 2PCS. 3V CN101 DC IN 3V + GVN CONT 20 RV604 TAPE SPEED

18、 RV604, 606 SPEED CONTROL RV605 D602 18 WV U + SPEED CONTROL CAPSTAN/REEL MOTOR DRIVE IC601 M901 (CAPSTAN/REEL) MOTOR DRIVE CIRCUIT SWITCH & LOGIC CIRCUIT BIAS REFERENCE VOLTAGE OSC CIRCUIT THP606 S/S VCC VREF IN+ COMPARATOR VSP OUT OSC 11 12 7 13 14 15 WOUT 2 VOUT 1 UOUT 20 RV606 Tape Speed Adjustm

19、ent Mode: playback Procedure: 1.Set RECTIME switch (S601) to NORMAL (4.8 cm/s) posi- tion, and playback the tape (WS-48A) . 2.Adjust RV604 so that frequency counter reading becomes 3,040 Hz. Specification values: 3,030 to 3,050 Hz 3.Set RECTIME switch (S601) to DOUBLE (2.4 cm/s) posi- tion. 4.Playba

20、ck the tape from the beginning for two minutes, then adjust RV606 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 within 0.5% (NORMAL: approx. 15.2 Hz, DO

21、UBLE: approx. 7.6 Hz) . Adjustment Location: MAIN BOARD (Conductor Side) Setting: Supplied voltage: 2.5 V Switch and control position VOL contorl (RV401): mechanical center PAUSE switch (S105): OFF SPEED CONTROL (RV605): center click VOR switch (S104): OFF Test Tape Record/Playback Head Azimuth Adju

22、stment 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. 2.After the adjustment, lock the adjustment screw with suitable locking compound. Adjustment Location: 0 dB=0.775 V TypeSignal Used for P-4

23、-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) 32 set EAR jack (J101) + frequency counter test tape WS-48A (3 kHz, 0 dB) 32 EAR jack (J101) set + J101 RV606 Tape Speed Adjustment (Double Speed) RV604 Tape Speed Adjust

24、ment (Normal Speed) adjustment screw Press the ( ? button. ? ? ? ? ? ? ? ? ? ? ? ? TCM-40DV 13 14 15 16 6-3.SCHEMATIC DIAGRAM See page 17 for IC Block 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 a

25、nd 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 with no cassette installed. Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack. Volta

26、ges and waveforms are dc with respect to ground under no-signal conditions. no mark : PLAY :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: PLAY a: RECORD ? ? ? ? ? 17 18 19 20 IC Block Diagrams IC101

27、LA4168ML-TE-L + + + + 21222324252627282930 235467891011112131415 1617181920 300k EQ MIC 2.2k 30k 2k PAUSE POWER MIC VCC Vref R/P R, F GVN VOX SPEED ALC VOX 20k REC 1 2 PRE GND EQ IN MIC IN Vref OUT MIC VCC R, F OUT LED DRIVE R/P SW PAUSE P/R MUTE GVN CONT GVN Vref Vs GVN GND GVN OUT PRE NF PRE OUT R

28、EC IN REC OUT ALC CONT VOX CONT VOX DELAY GNV SPEED UP AUT STOP CONT AUT STOP IN PWR IN PWR OUT1 PWR GND PWR OUT2 Vcc IC501MM1251BFBE BOOSTER CIRCUIT NC CT GND OUT NC VCC VS HYS 2134 6785 + + IC601LB1877V-TLM COMPARATOR S/S VREF IN+ WB VB UB PRE DRIVER SOFT SWITCH WAVEFORM DETECT COMMUNICATION START

29、ING LOGIC OSC CIRCUIT STARTING DETECT CURRENT CONTROL REFERENCE VOLTAGE POWER SUPPLY BIAS SPEED CONTROL REFERENCE VOLTAGE OUTPUT BIAS DIRECTION CONTROL SPEED CONTROL 13 VSP14 OUT15 FC 16 LB17 VCC18 DR19 UOUT20 12 11 4 WOUT2 PGND3 VOUT1 5 6 OSC7 COM8 GND9 R110 + (2)MECHANISM DECK SECTION-1 (MT-40-118

30、) 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 parts with no reference num- ber in the exploded views are not supplied. Accessories and packing materials are gi

31、ven 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: KNOB, BALANCE (WHITE) . . . (RED) Parts Color Cabinets Color Ref. No.Part No.DescriptionRemarkRef. No.Part No.

32、DescriptionRemark 13-318-382-31 SCREW (1.7), TAPPING 23-345-648-51 SCREW (M1.4), TOOTHED LOCK * 3A-3021-227-A MAIN BOARD, COMPLETE 43-008-612-01 TERMINAL, PLUS 53-924-750-01 TERMINAL, MINUS 63-924-744-01 SPRING (CLAW DETECTION), TENSION 73-018-311-01 CLAW, ERASING PREVENTION 83-018-310-11 BUTTON (PA

33、USE) 94-969-980-21 SCREW (IB LOCK) 103-578-101-41 PLATE, ORNAMENTAL 113-018-307-62 CABINET (FRONT) 12A-3021-225-A LED BOARD, COMPLETE 133-936-424-01 SPRING, CASSETTE 144-017-441-01 CUSHION (B) * 153-924-757-01 BRACKET (SPEAKER) 163-924-761-01 STRAP 173-018-309-11 LID, BATTERY CASE 183-018-308-51 CAB

34、INET (REAR) 193-018-312-01 FOOT (A) 203-334-565-11 SCREW (B1.7X10), TAPPING 213-023-856-01 FOOT (B) 223-907-531-01 SCREW 233-831-441-99 SPACER, KNOB 24X-3377-425-1 LID SUB ASSY, CASSETTE (including MIC101) 253-026-183-01 CUSHION (BATTEY CASE LID) 263-318-382-04 SCREW (1.7), TAPPING 271-672-147-11 CO

35、NNECTION FLEXIBLE BOARD SP9011-505-838-11 SPEAKER (3.6cm) Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 51X-3370-386-1 PINCH ROLLER ASSY 523-925-146-01 BUTTON (FF) () 533-925-147-01 BUTTON (REW) (0) 543-925-148-01 BUTTON (PLAY) () 553-925-145-11 BUTTON (REC) (r) 563-936-409-01 B

36、UTTON (STOP) (p) 571-548-582-11 COUNTER, TAPE (SMALL TYPE) 583-924-625-01 LEVER (HEAD) 593-924-645-01 BRACKET (HEAD) 603-924-685-01 SPRING (AZIMUTH), COMPRESSION 613-704-197-31 SCREW (IB LOCK) 623-375-135-01 SCREW (1.4), SPECIAL 633-376-177-01 SCREW (M1.4X3.8) 643-925-107-01 SPRING (IDLER), COMPRESS

37、ION 653-924-637-01 GEAR (FF) 663-924-673-01 GEAR (S REEL) 673-924-674-01 SPRING (B. T), COMPRESSION 683-924-641-01 GEAR (T REEL) 693-936-582-03 SPRING (GROUND), TORSION 703-924-681-01 BELT (CAPSTAN) 711-649-600-11 MOTOR FLEXIBLE BOARD 723-376-407-01 SCREW (M1.4) (MOTOR) 733-034-903-01 SPRING (POWER

38、TENSION), TENSION 743-348-160-11 SCREW (M1.4X1.6), PRECISION PAN 753-018-522-01 COUNTER, BRACKET 763-924-675-01 PULLEY (COUNTER) 773-924-683-01 BELT (COUNTER) 783-376-407-01 SCREW (M1.4) 803-561-685-01 SHEET (C), INSULATING 814-969-980-21 SCREW (IB LOCK) HRP901 1-500-073-51 HEAD, MAGNETIC (RECORD/PL

39、AYBACK) M9011-698-875-11 MOTOR, DC (CAPSTAN/REEL) (WITH PULLEY) (1)CABINET SECTION 3 23 2323 2 1 4 5 22 21 20 19 18 17 16 1 14 13 15 23 SP901 24 (including MIC101) 9 7 6 11 10 8 12 23 26 27 25 MT-40-118 6362 61 60 59 58 74 64 65 66 67 69 68 M901 70 81 73 77 76 52 53 54 55 56 75 78 51 HRP901 57 72 71

40、 ? ? ? ? ? 21 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 1013-321-483-11 RING, RETAINING (0.25) 1023-701-437-51 WASHER 103X-3372-171-1 FLYWHEEL ASSY 1043-924-623-01 LEVER (PLAY) 1053-924-621-01 LEVER (REW) 1063-924-620-01 LEVER (FF) 107X-3370-388-1 TABLE ASSY, FELT 1083-924-6

41、42-01 SPRING (FR), TORSION 1093-924-629-01 LEVER (DETECTION) 1103-925-207-01 SPRING (SHUT. OFF), TENSION 1113-924-630-01 LEVER (S. OFF) 112X-3370-387-1 LEVER ASSY, IDLER 1133-924-682-01 BELT (FR) 114X-3370-385-1 PULLEY (FR) ASSY 1153-924-628-01 LEVER (FR) 1163-924-633-01 SPRING (STOP), TENSION 1173-

42、924-622-01 LEVER (STOP) 1183-035-368-01 SPRING (PR2), TORSION 1193-924-684-01 SPRING (LOCK PLATE), TENSION 1203-924-619-01 LEVER (SW) 1213-924-639-01 LEVER (CR) 1223-924-618-01 LEVER (LOCK) 1233-925-208-01 SPRING (REC), TENSION 1243-924-624-01 LEVER (REC) 125X-3377-249-3 CHASSIS SUB ASSY 1263-924-61

43、3-01 GEAR (FR) 1273-024-378-21 SPRING (FR LEVER), TORSION 1283-703-925-21 SCREW (M1.4) 1293-936-405-01 LEVER (RELEASE) 1303-578-242-11 WASHER 1313-014-082-01 SPACER 1323-321-483-31 RING, RETAINING 1333-704-197-91 SCREW (IB LOCK) HE9011-500-515-11 HEAD, MAGNETIC (ERASE) (3)MECHANISM DECK SECTION-2 (MT-40-118) 113 114 127 132 11