Sony-TCM40DV-tape-sm 电路图 维修手册.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 RadioFans.CN 收音机爱 好者资料库 2 TABLE OF CONTENTS 1.SERVICING NOTES.2 2.GENERAL.3 3.DISASSEMBLY.4 4.ME

2、CHANICAL 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

3、 not 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 m

4、ay be 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 th

5、e MAIN board removed, fix the S102 at turn on. MAIN BOARD (Conductor Side) S102 on RadioFans.CN 收音机爱 好者资料库 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

6、 PAUSEc )FF/CUE SPEED CONTROL 0REW/REVIEW RadioFans.CN 收音机爱 好者资料库 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

7、 (MT-40-118) 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. 7claw

8、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 (1.7) S10

9、1 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.Demagnetize the record/playback head w

10、ith 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 the rated power supply voltag

11、e (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-403A more than 50 g (more than

12、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 CONTROL, REGULATOR, CAPSTAN/REEL MOTOR DRIVE IC101 (2/

13、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+ POWER ON B+ BATTERY B+ BATTERY B+ PB B+ REC B+ P

14、B 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 REC IN 3 2 29 4 ALC CONT 5 28 J102 MIC (PLUG IN P

15、OWER) 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 MOTOR CONTROL SWITCH Q605 MOTOR BRAKE SWITCH Q603

16、, 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) (REC/PB) PB REC REC TIME S601 DOUBLE NORMAL OFF O

17、N 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 RV604, 606 SPEED CONTROL RV605 D602 18 WV U + S

18、PEED 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 Adjustment Mode: playback Procedure: 1.Set RECTIME swit

19、ch (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.Playback the tape from the beginning for two minutes,

20、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, DOUBLE: approx. 7.6 Hz) . Adjustment Location: MAI

21、N 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 Adjustment Mode: playback Procedure: 1.Turn the adju

22、stment 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-A0636.3 kHz, 10 dBhead azimuth adjustment WS-48

23、A3 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 Adjustment (Normal Speed) adjustment screw Press the (

24、 ? 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 and tantalums. All resistors are in and 1/4 W or less unless otherwise sp

25、ecified. 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. Voltages and waveforms are dc with respect to ground under no-signal conditio

26、ns. 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 IC101LA4168ML-TE-L + + + + 21222324252627282930 235467891011112131415 1617181920 300k E

27、Q 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 REC IN REC OUT ALC CONT VOX CONT VOX DELAY GNV SPEED UP AUT STOP CONT AUT STOP IN P

28、WR 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 STARTING LOGIC OSC CIRCUIT STARTING DETECT CURRENT CONTROL REFERENCE VOLTAGE POWER SUPP

29、LY 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) SECTION 7 EXPLODED VIEWS Items marked “*” are not stocked since they are seldom

30、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 given in the last of the electrical parts list. NOTE: -XX and -X mean standardized p

31、arts, 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.DescriptionRemark 13-318-382-31 SCREW (1.7), TAPPING 23-345-648-51 SCREW (M1.4), T

32、OOTHED 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 (PAUSE) 94-969-980-21 SCREW (IB LOCK) 103-578-101-41 PLATE, ORNAMENTAL 113-018-307-62

33、 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 CABINET (REAR) 193-018-312-01 FOOT (A) 203-334-565-11 SCREW (B1.7X10), TAPPING 213-02

34、3-856-01 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 CONNECTION FLEXIBLE BOARD SP9011-505-838-11 SPEAKER (3.6cm) Ref. No.Part No.Descript

35、ionRemarkRef. 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 BUTTON (STOP) (p) 571-548-582-11 COUNTER, TAPE (SMALL TYPE) 583-924-625-01 LEVER (H

36、EAD) 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), COMPRESSION 653-924-637-01 GEAR (FF) 663-924-673-01 GEAR (S REEL) 673-924-674-01 SPRING (B

37、. 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 TENSION), TENSION 743-348-160-11 SCREW (M1.4X1.6), PRECISION PAN 753-018-522-01 CO

38、UNTER, 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/PLAYBACK) M9011-698-875-11 MOTOR, DC (CAPSTAN/REEL) (WITH PULLEY) (1)CABINET SECTION

39、 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 21 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 1013-321-48

40、3-11 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 1083-924-642-01 SPRING (FR), TORSION 1093-924-629-01 LEVER (DETECTION) 1103-925-207-01 SPRING (SHUT. O

41、FF), 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 1173-924-622-01 LEVER (STOP) 1183-035-368-01 SPRING (PR2), TORSION 1193-924-684-01 SPRING (LOCK P

42、LATE), 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 1263-924-613-01 GEAR (FR) 1273-024-378-21 SPRING (FR LEVER), TORSION 1283-703-925-21 SCREW (M1.4) 1293-

43、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) 113 114 127 132 115 122 119 117 116 112 101 111110 109 107 108 106 105 104 124 123

44、 118 125 126 101 131 102 102 103 not supplied not supplied 133 130 129 128 120 121 HE901 22 SECTION 8 ELECTRICAL PARTS LIST Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark LED MAIN A-3021-225-A LED BOARD, COMPLETE * 1-672-147-11 CONNECTION FLEXIBLE BOARD D5018-719-057-99 LED SML-2

45、11YT-T86 (i) D5028-719-059-96 LED SML-210LT-T86 (BATT r, REC) D5038-719-059-96 LED SML-210LT-T86 (BATT rr) S4011-692-605-31 SWITCH, SLIDE (VOR) S6011-571-277-51 SWITCH, SLIDE (REC TIME) * *A-3021-227-A MAIN BOARD, COMPLETE * 3-008-612-01 TERMINAL, PLUS C1011-164-004-11 CERAMIC CHIP0.1uF10%25V C1021-

46、164-161-11 CERAMIC CHIP0.0022uF10%100V C1031-107-682-11 CERAMIC CHIP1uF10%16V C1041-135-151-21 TANTALUM CHIP 4.7uF20%4V C1051-135-151-21 TANTALUM CHIP 4.7uF20%4V C1061-163-009-11 CERAMIC CHIP0.001uF10%50V C1071-163-077-00 CERAMIC CHIP0.1uF10%25V C1081-163-017-00 CERAMIC CHIP0.0047uF5%50V C1091-163-0

47、01-11 CERAMIC CHIP220PF10%50V C1101-109-982-11 CERAMIC CHIP1uF10%10V C1111-135-151-21 TANTALUM CHIP 4.7uF20%4V C1121-164-182-11 CERAMIC CHIP0.0033uF10%50V C1131-164-005-11 CERAMIC CHIP0.47uF25V C1141-164-346-11 CERAMIC CHIP1uF16V C1151-164-161-11 CERAMIC CHIP0.0022uF10%100V C1161-164-346-11 CERAMIC CHIP1uF16V C1171-163-009-11 CERAMIC CHIP0.001uF10%50V C1181-164-489-11 CERAMIC CHIP0.22uF10%16V C1191-164-489-11 CERAMIC CHIP0.22uF10%16V C1201-126-153-11 ELECT22uF20%6.3V C1211-163-205-00 CERAMIC CHIP0.001uF5%50V C1241-124-2