索尼SONY TCM-16电路图.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 ? ? ? ? ? ? ? ? ? ? 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 of
4、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. Main
5、 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 Dec
6、k 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 Microfon
7、e incorporado BATT ? ? ? ? ? ? ? ? ? ? 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 sub ass
8、y, 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”, Pinch Roll
9、er ? ? ? ? ? ? ? ? ? ? 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) 3pinch roller 2
10、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.Demagnetiz
11、e the playback 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
12、Switch and 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 : Tap
13、e Speed 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 Ty
14、pe WS-48A 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.
15、007 0.04 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 ? ? ? ? ? ? ? ?
16、 ? ? 6 SECTION 5 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 specified. f: internal component. C : panel designation. A : B+ L
17、ine. H : adjustment for repair. 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 vari
18、ations may be noted due to normal 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 D
19、IAGRAM IC601 NJM2606AM-TE2 GND 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
20、 +B DRY BATTERY SIZE AA 2PCS 3V S102 (POWER SW) 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 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
21、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? TCM-16 5-3. SCHEMATIC DIAGRAM 9 10 See page 6 for IC Block Diagram. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? TCM-16 5-4. PRINTED WIRING BOARD Ref. No.Location D401F-11 IC101D-8 IC601C-5 Semiconductor Location 11 12 16 12 A B C D E
22、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.DescriptionRemarksRef. No.Part
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