Sony-TCM36-tape-sm 电路图 维修手册.pdf
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1、SERVICE MANUAL CASSETTE-CORDER US Model Canadian Model AEP Model E Model Chinese Model TCM-459V Tourist Model TCM-36/459V Model Name Using Similar MechanismNEW Tape Transport Mechanism TypeMT-459V-118 SPECIFICATIONS TCM-36/459V Photo: TCM-459V Ver 1.2 2004.03 9-923-317-12Sony Corporation 2004C05-1Pe
2、rsonal Audio Company 2004.03Published by Sony Engineering Corporation RadioFans.CN 收音机爱 好者资料库 2 SECTION 1 GENERAL TABLE OF CONTENTS 1.GENERAL. 2 2.DISASSEMBLY. 3 3.MECHANICAL ADJUSTMENTS. 5 4.ELECTRICAL ADJUSTMENTS. 6 5.DIAGRAMS 5-1.Block Diagram . 7 5-2.Printed Wiring Boards. 9 5-3.Schematic Diagra
3、m . 13 6.EXPLODED VIEWS. 16 7.ELECTRICAL PARTS LIST. 19 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur- ing repairing. Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). Be careful not to apply force on the condu
4、ctor 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 be dam- aged by heat. TAPE COUNTER EAR MIC VOL Flat mic VOR (TCM-459V) MIC SENS (TCM-459V) BATT/REC r REC p STOP ( PLAY 0 REW/REVI
5、EW ) FF/CUE PAUSE c SPEED CONTROL DC IN 3V Parts Identification RadioFans.CN 收音机爱 好者资料库 3 SECTION 2 DISASSEMBLY CABINET (REAR), CASSETTE LID Note: Follow the disassembly procedure in the numerical order given. This set can be disassembled in the order shown below. SETCABINET (REAR)MAIN BOARDBELTCASS
6、ETTE LIDMECHANISM DECK (MT-459V-118) 8cassette lid 5strap 3two claws 2screw 4cabinet (rear) 1three screws (B1.7 10) 7boss 7boss 9cassette spring 3claw 6flexible board (CN102) RadioFans.CN 收音机爱 好者资料库 4 MAIN BOARD, MECHANISM DECK (MT-459V-118) REC lever screw (1.7) S101 screw (M1.4) NOTE FOR INSTALLAT
7、ION MAIN BOARD On installation MAIN board adjust the S101 and REC lever. 7claw 3screw (1.7) 4screw (M1.4) 5MAIN board 8mechanism deck (MT-459V-118) 6three screws (IB lock) knob (pause) 2Remove the two solders of the head lead (HRP901). 1Remove two solders of motor leads (M901). S105 Note: On install
8、ation MAIN board adjust the S105 and knob (pause). 5 6 Precaution Supplied voltage: 2.5 V Switch and control position VOR switch (S401): OFF (459V) PAUSE switch (S105): OFF VOL (RV101): mechanical mid SPEED CONTROL (RV602): mechanical center MIC SENS switch (S201): H (459V) Test Tape Record/Playback
9、 Head Azimuth Adjustment Procedure: Mode: playback 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: BELT 1 capstan bel
10、t 2FR belt 3counter belt SECTION 3 MECHANICAL ADJUSTMENTS Tape Tension Measurement 1.Clean the following parts with a denatured-alcohol-moistened swab: record/playback headpinch roller erase headrubber belt capstanidler 2.Demagnetize the record/playback head with a head demagne- tizer. (Do not bring
11、 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 voltage (2.5 V) unless otherwise noted. Torque
12、 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-403C more than 50 g (more than 1.76 oz) SECTION 4 ELECTRICAL ADJUSTMENT
13、S 0 dB=0.775 V Tape Speed Adjustment Procedure: Mode: playback 1.Play back WS-48A (tape end part) and adjust RV601 so that the frequency counter reading becomes 3,000 15 Hz. 2.Play back WS-48A tape the beginning and the end part, check that the frequency counter reading is within same standard of st
14、ep1. Adjustment Location: MAIN BOARD (Side B) 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) 10 k set EAR jack + frequency counter Standard tape for adjusting WS-48A (3 kHz, 0 dB) 10 k EAR jack
15、set + adjustment screw IC101 S102 RV601 RV602 IC501 Ver 1.2 Ver 1.2 Ver 1.2 15 16 IC Block Diagrams IC101LA4168ML-TE-L IC501MM1251BFBE SECTION 6 EXPLODED VIEWS Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these it
16、ems. 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 parts, so they may have some difference from the original one. Color Indication of App
17、earance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts Color Cabinets Color Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark (1) CABINET SECTION 3 23 23 23 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 1 13-318-382-31 SCREW (1.7)
18、, TAPPING 23-345-648-51 SCREW (M1.4), TOOTHED LOCK * 3A-3021-022-A MAIN BOARD, COMPLETE (TCM-459V) * 3A-3021-024-A MAIN BOARD, COMPLETE (TCM-36) 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
19、-01 KNOB (PAUSE) 94-969-980-21 SCREW (IB LOCK) 103-578-101-41 PLATE, ORNAMENTAL 113-018-307-01 CABINET (FRONT) (TCM-459V) 113-018-307-31 CABINET (FRONT) (TCM-36) * 121-669-038-11 LED BOARD 133-936-424-01 SPRING, CASSETTE 144-017-441-01 CUSHION (B) * 153-924-757-01 BRACKET (SPEAKER) 163-924-761-01 ST
20、RAP 173-018-309-01 LID, BATTERY CASE 183-018-308-11 CABINET (REAR) (TCM-459V) 183-018-308-31 CABINET (REAR) (TCM-36) 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-XX SPACER, KNOB 24X-3375-895-1 LID SUB ASSY, CASSETTE (TCM-459
21、V) (including MIC101) 24X-3375-897-1 LID SUB ASSY, CASSETTE (TCM-36) (including MIC701) SP9011-505-838-11 SPEAKER (3.6CM) 17 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark (2) MECHANISM DECK SECTION-1 (MT-459V-118) 51X-3370-386-1 PINCH ROLLER ASSY 523-925-146-01 BUTTON (FF) () 53
22、3-925-147-01 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 (HEAD) 593-924-645-01 BRACKET (HEAD) 603-924-685-01 SPRING (AZIMUTH), COMPRESSION 613-704-197-91 SCREW (IB LOC
23、K) 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. T), COMPRESSION 683-924-641-01 GEAR (T REEL) 693-924-726-01 SPRING (M GROUND), TORSION 703-924-681-01 BELT
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