Sony-TCM465V-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 Tourisit Model Model Name Using Similar MechanismNEW Tape Transport Mechanism TypeMT-459V-118 SPECIFICATIONS TCM-465V RadioFans.CN 收音机爱 好者资料库 2 Flexible Circuit Board Repairing Keep the temperature of the soldering ir
2、on 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 conductor when soldering or unsoldering. Notes on chip component replacement Never reuse a disconnected chip component. Notice that th
3、e minus side of a tantalum capacitor may be dam- aged by heat. 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 Diagram . 13 6.EXPLODED VIEWS. 16 7.EL
4、ECTRICAL PARTS LIST. 20 Location of Controls EAR TAPE COUNTER MICROPHONE VOL rREC pSTOP (PLAY SPEED CONTROL 0REW/REVIEW )FF/CUE PAUSEc POP-UP MIC SWITCH VOR CUE MARKER BATT/REC DC IN 3V MIC RadioFans.CN 收音机爱 好者资料库 3 CABINET (REAR) , CASSETTE LID SECTION 2 DISASSEMBLY Note: Follow the disassembly pro
5、cedure in the numerical order given. This set can be disassembled in the order shown below. SETCABINET (REAR)CASSETTE LIDMECHANISM DECK (MT-459V-118) MAIN BOARDBELT 8cassette lid 1three screws (B1.7 10) 2screw (IB lock) 3two claws 3claw 7boss 4cabinet (rear) 3claw 5strap 7boss 9cassette spring 6flex
6、ible board (CN102) RadioFans.CN 收音机爱 好者资料库 4 MECHANISM DECK (MT-459V-118) MAIN BOARD Note: On installation MAIN board adjust the S105 and knob (pause). Note: On installation MAIN board adjust the S101 and REC lever. 2claw 1three screws (IB lock) knob (pause) 3Remove the mechanism deck (MT-459V-118)
7、and MAIN board to direction of the arrow A. A S105 2screw (1.7) 3screw (M1.4) 1Remove four solders of the head lead (HRP901) and motor leads (M901). 4MAIN board S101 REC lever 5 BELT SECTION 3 MECHANICAL ADJUSTMENTS Tape Tension Measurement 1.Clean the following parts with a denatured-alcohol-moiste
8、ned swab: record/playback headpinch roller erase headrubber belt capstanidler 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 sui
9、table 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 22 48 gcm CQ-102C (0.31 0.67 ozinch) Forward Back1.0 4.5 gcm Tension(0.014 0.063 ozinch) FF, RE
10、WCQ-201B more than 50 gcm (more than 0.69 ozinch) ModeTension MeterMeter Reading FWDCQ-403C more than 50 g (more than 1.76 oz) 1 capstan belt 2FR belt 3counter belt 6 Precaution Supplied voltage: 2.5 V Switch and control position VOR switch (S401): OFF PAUSE switch (S105): OFF VOL (RV101): mechanica
11、l mid SPEED CONTROL (RV602): mechanical center POP-UP MIC switch (S302): FLAT Test Tape Record/Playback 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 adjust
12、ment, lock the adjustment screw with suitable locking compound. Adjustment Location: SECTION 4 ELECTRICAL ADJUSTMENTS 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 2,985 3,015 Hz. 2.Play
13、back WS-48A tape the beginning and the end part, check that the frequency counter reading is within same standard of step1. 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
14、 (6.3 kHz, 10 dB) 10 k set EAR jack + adjustment screw frequency counter Standard tape for adjusting WS-48A (3 kHz, 0 dB) 10 k EAR jack set + IC101 S102 RV601 RV602 IC501 15 16 IC Block Diagrams IC101LA4168ML-TE-L IC501MM1251BFBE SECTION 6 EXPLODED VIEWS Items marked “*” are not stocked since they a
15、re 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 given in the last of the electrical parts list. NOTE: -XX and -X mean stan
16、dardized 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.DescriptionRemark (1) CABINET SECTION 16 17 2 1 5 22 2 4 6 7 8 9 10 11 1
17、2 13 3 18 19 AA 20 21 22 23 24 2526 27 MT-459V-118 not supplied not supplied CASSETTE LID BLOCK 14 15 13-318-382-31 SCREW (1.7), TAPPING 23-831-441-99 SPACER, KNOB 33-345-648-51 SCREW (M1.4), TOOTHED LOCK * 4A-3021-095-A MAIN BOARD, COMPLETE 53-008-612-01 TERMINAL, PLUS 63-924-750-01 TERMINAL, MINUS
18、 73-925-146-01 BUTTON (FF) () 83-925-147-01 BUTTON (REW) (0) 93-925-148-01 BUTTON (PLAY) () 103-936-409-01 BUTTON (STOP) (p) 113-925-145-11 BUTTON (REC) (r) 123-578-242-11 WASHER 133-936-405-01 LEVER (RELEASE) 143-018-310-01 KNOB (PAUSE) 153-018-307-21 CABINET (FRONT) 164-969-980-21 SCREW (IB LOCK)
19、173-578-101-41 PLATE, ORNAMENTAL 183-018-311-01 CLAW, ERASING PREVENTION 193-924-744-01 SPRING (CLAW DETECTION), TENSION 203-936-424-01 SPRING, CASSETTE 213-924-761-01 STRAP 223-018-309-01 LID, BATTERY CASE 233-018-308-11 CABINET (REAR) (EXCEPT Tourist) 233-018-308-21 CABINET (REAR) (Tourist) 243-01
20、8-312-01 FOOT (A) 253-334-565-11 SCREW (B1.7X10), TAPPING 263-023-856-01 FOOT (B) 273-939-590-44 SCREW (IB LOCK) 17 Ref. No.Part No.DescriptionRemarkRef. No.Part No.DescriptionRemark 513-017-746-01 CASE (REAR), MICROPHONE 523-018-523-01 SHAFT, FULCRUM 533-017-748-01 SPRING (FULCRUM SHAFT) 543-017-74
21、4-01 SPRING (MICROPHONE UP) * 553-022-883-01 SHEET (HOLDER), ADHESIVE 563-022-858-01 HOLDER (CUSHION) 573-018-526-01 CUSHION (MICROPHONE) 583-018-525-01 BLIND (MICROPHONE) 593-831-441-99 SPACER, KNOB 603-018-524-01 MESH (MICROPHONE) 613-893-942-41 SCREW (1.7X3), TAPPING (B) 623-017-745-01 CASE (FRON
22、T), MICROPHONE 633-017-740-01 KNOB (SELECTION) 64X-3375-894-1 LID SUB ASSY, CASSETTE 654-017-441-01 CUSHION (B) * 663-924-757-01 BRACKET (SPEAKER) 673-318-382-31 SCREW (1.7), TAPPING 683-318-382-41 SCREW (1.7X3.7), TAPPING * 693-022-855-01 BRACKET (SHAFT) * 70A-3061-742-A LED BOARD, COMPLETE 713-018
23、-530-01 BUTTON (CUE) 723-024-379-01 SPRING (LEVER) 733-017-741-01 LEVER (SELECTION) 743-022-955-01 SPRING (LOCK) 753-017-742-01 PLATE (SELECTION), LOCK MIC101 1-542-298-11 MICROPHONE, ELECTRET CONDENSER (FLAT) MIC301 1-542-348-11 MICROPHONE, ELECTRET CONDENSER (STANDING) SP9011-505-838-11 SPEAKER (3
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