Sony-TCM16-tape-sm 电路图 维修手册.pdf
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1、TCM-16 E Model East European Model SERVICE MANUAL CASSETTE-CORDER SPECIFICATIONS Model Name Using Similar MechanismTCM-343 Tape Transport Mechanism TypeMT-323-118 Recording system 2-track 1 channel monaural Frequency range 250 - 6 300 Hz Speaker Approx. 3.6 cm (1 7 / 16 in.) dia. Power output (at 10
2、% harmonic distortion) 130 mW Output Earphone jack (minijack) for 8 - 300 earphone Power requirements 3 V DC batteries R6 (AA) 2 Dimensions (w/h/d) (incl. projecting parts and controls) Approx. 112 36.6 90.3 mm (4 1 2 1 1 2 3 5 8 in.) Mass (not incl. batteries) Approx. 180 g (6.4 oz.) Design and spe
3、cifications are subject to change without notice. Ver 1.0 2000. 12 RadioFans.CN 收音机爱 好者资料库 2 Notes on chip component replacement Never reuse a disconnected chip component. Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing Keep the temperature
4、 of soldering iron around 270C during 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. TABLE OF CONTENTS 1. GENERAL 2 2. DISASSEMBLY 2-1. Lid Sub Assy, Cassette3 2-2.
5、Main Board, Mechanism Deck 3 2-3. Belt 4 2-4. “Head, Magnetic”, Pinch Roller 4 3. MECHANICAL ADJUSTMENT 5 4. ELECTRICAL ADJUSTMENT 5 5. DIAGRAMS 5-1. IC Block Diagram 6 5-2. Block Diagram 7 5-3. Schematic Diagram 9 5-4. Printed Wiring Board 11 6. EXPLODED VIEWS 6-1. Cabinet Section 13 6-2. Mechanism
6、 Deck Section-1 (MT-323-118) 14 6-3. Mechanism Deck Section-2 (MT-323-118) 15 7. ELECTRICAL PARTS LIST 16 SECTION 1 GENERAL This section is extracted from instruction manual. VOL M FF/CUE x STOP m REW/REVIEW PAUSE . N PLAY EAR z REC x STOP m REW/ REVIEW PAUSE . Built-in mic Micrfono incorporado Micr
7、ofone incorporado BATT RadioFans.CN 收音机爱 好者资料库 3 SECTION 2 DISASSEMBLY Note :Follow the disassembly procedure in the numerical order given. The equipment can be removed using the following procedure. 2-1. LID SUB ASSY, CASSETTE 2-2. MAIN BOARD, MECHANISM DECK 4two cords(SP901) 6spring, cassette 5lid
8、 sub assy, cassette four claws claw 3cabinet (rear) 2screw (IB LOCK) 1three screws (B1.7 9) 8mechanism deck 6main board 4cord (HRP901) 5two cords (MIC901) 3two cords (M901) 1screw (1.7) 2screw (M1.4) 7three screws (IB LOCK) Lid Sub Assy, CassetteMain Board, Mechanism DeckBeltSet “Head, Magnetic”, Pi
9、nch Roller RadioFans.CN 收音机爱 好者资料库 4 2-3. BELT 1belt (capstan) 2belt (fr) screw (M1.4) screw (1.7) main board S101 (REC) REC lever 2-4. “HEAD, MAGNETIC”, PINCH ROLLER INSTALLATION MAIN BOARD On installation MAIN board, adjust to the S101 and the REC lever. 8screw (M1.4) 6head, magnetic (HRP901) 3pin
10、ch roller 2 4screw (1.4) 5screw (M1.4 3.8) 9head, magnetic (HE901) 1lever (pinch roller) 7spring (azimuth), compression 5 SECTION 3 MECHANICAL ADJUSTMENT PRECAUTION 1.Clean the following parts with a denatured-alcohol-moistened swab : playback headpinch roller capstanrubber belt 2.Demagnetize the pl
11、ayback head with a head demagnetizer. 3.Do not use a magnetized screwdriver for the adjustments. 4.The adjustments should be performed with the rated power supply voltage (DC 3.0 V) unless otherwise noted. Torque Measurement SECTION 4 ELECTRICAL ADJUSTMENT PRECAUTION Supplied voltage: 3.0 V Switch a
12、nd control position VOL control: mechanical mid PAUSE switch : OFF Test tape REC/PB Head Azimuth Adjustment Procedure : 1.Model : playback 2.Turn the adjustment screw to obtain the maximum readig on level meter. Note : Several peaks may appear, but take the maximum. Adjustment Location : Tape Speed
13、Adjustment Procedure : 1.Playback WS-48A (tape center part) in the FWD state and adjust RV601 so that the frequency counter reading becomes 3,000 Hz. Specification Value : 2.Check that frequency counter reading is within 2% of reading of step 1. Digital frequency counter 2,970 to 3,030 Hz Type WS-48
14、A P-4-A063 Signal 3 kHz, 0 dB 6.3 kHz, - 10dB Used for tape speed adjustment head azimuth adjustment ModeTorque MeterMeter Reading more than 1.96 mN m (more than 20 g cm) (more than 0.28 oz inch) more than 4.90 mN m (more than 50 g cm) (more than 0.69 oz inch) 0.05 0.29 mN m (0.5 3 g cm) (0.007 0.04
15、 oz inch) FWD CQ-102C FWD back tension FF, REWCQ-201B + test tape WS-48A (3 kHz, 0 dB) set EAR jack (J102) 32 frequency counter RV601 Adjustment Location : main board (conductor side) + test tape P-4-A063 (6.3 kHz, -10 dB) set EAR jack (J102) 10 k level meter adjustment screw 6 SECTION 5 DIAGRAMS No
16、te 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 specified. f: internal component. C : panel designation. A : B+ Line. H : adjustment for repa
17、ir. Power voltage is dc 3 V and fed with regulated dc power supply from battery terminal. Voltages and waveforms are dc with respect to ground under no- signal (detuned) conditions. no mark : PLAY () : REC Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to n
18、ormal production toler- ances. Voltage variations may be noted due to normal production toler- ances. Signal path. E: PB a: REC F: MIC Note on Printed Wiring Board: Y : parts extracted from the conductor side. b : Pattern from the side which enables seeing. 5-1.IC BLOCK DIAGRAM IC601 NJM2606AM-TE2 G
19、ND NC NC V+ REFERENCE VOLTAGE V CONTROL NC V SENSE V OUT 1234 5678 TCM-16 5-2. BLOCK DIAGRAM 7 8 Signal Path : PB : REC : MICK + + + + + 15 1 16 3 6 8 4 3 4 5 6 9 14 11 M RV601 TAPE SPEED M901 (LOADING) D401 (BATT) IC601 SERVO REF VOLTAGE +B S601 PAUSE +B DRY BATTERY SIZE AA 2PCS 3V S102 (POWER SW)
20、ALC IC101 PRE/POWER AMP, ALC HRP901 HE901 MIC901 S101 (1/4) (PB REC) S101 (2/4) (PB REC) S101 (3/4) (PB REC) S101 (4/4) (PB REC) RV101 VOL SP901 (SPEAKER) J102 EAR (PB/REC) (ERASE) MIC + 16 HEAD OFF ON K K TCM-16 5-3. SCHEMATIC DIAGRAM 9 10 See page 6 for IC Block Diagram. TCM-16 5-4. PRINTED WIRING
21、 BOARD Ref. No.Location D401F-11 IC101D-8 IC601C-5 Semiconductor Location 11 12 16 12 A B C D E F G 3456789101112 SECTION 6 EXPLODED VIEWS 6-2. MECHANISM DECK SECTION-1 (MT-323-118) Ref. No.Part No.DescriptionRemarksRef. No.Part No.DescriptionRemarks 6-1. CABINET SECTION Ref. No.Part No.DescriptionR
22、emarksRef. No.Part No.DescriptionRemarks 13 14 1 223 23 3 4 5 6 MT-323-118 7 8 9 MIC901 10 11 12 13 14 15 16 SP901 17 1 17 1 19 23 23 20 24 25 21 22 18 not supplied 62 63 61 65 68 69 74 75 M901 70 76 78 71 73 72 51 not supplied 54 53 52 55 56 57 HE901 67 66 HRP901 5977 64 58 60 NOTE: -XX, -X mean st
23、andardized parts, so they may have some differences from the original one. 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 number in the exploded views are not supp
24、lied. Accessories and packing materials are given in the last of this parts list. 13-318-382-31SCREW (1.7), TAPPING 23-345-648-01SCREW (M1.4), TOOTHED LOCK * 3A-3021-354-A MAIN BOARD, COMPLETE 43-924-741-01TERMINAL, PLUS 53-936-973-01TERMINAL, MINUS 63-334-565-41SCREW (B1.7), TAPPING 73-924-745-01BA
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