索尼SONY TCM-40DV电路图.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 ? ? ? ? ? ? ? ? ? ? 2 TABLE OF CONTENTS 1.SERVICING NOTES.2 2.GENERAL.3 3.DISASSEMBLY.4 4.MECHAN
2、ICAL 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 not
3、 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 may b
4、e 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 the MA
5、IN board removed, fix the S102 at turn on. MAIN BOARD (Conductor Side) S102 on ? ? ? ? ? ? ? ? ? ? 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 PAUSEc
6、)FF/CUE SPEED CONTROL 0REW/REVIEW ? ? ? ? ? ? ? ? ? ? 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 (MT-40-118)
7、 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
8、. 7claw 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 (
9、1.7) S101 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.Demagnetiz
10、e 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 suitable locking compound to the parts adjusted. 5.The adjustments should be performed with t
11、he 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, REWCQ-201B more than 50 gcm (more than 0.69 ozinch) ModeTension MeterMeter Reading FWDCQ-403
12、A more than 50 g (more than 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 CONTRO
13、L, REGULATOR, CAPSTAN/REEL MOTOR DRIVE IC101 (2/2) 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+
14、POWER ON B+ BATTERY B+ BATTERY B+ PB B+ REC B+ PB 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 R
15、EC IN 3 2 29 4 ALC CONT 5 28 J102 MIC (PLUG IN POWER) 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 M
16、OTOR CONTROL SWITCH Q605 MOTOR BRAKE SWITCH Q603, 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) (
17、REC/PB) PB REC REC TIME S601 DOUBLE NORMAL OFF ON 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
18、 RV604, 606 SPEED CONTROL RV605 D602 18 WV U + SPEED 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 Adjustm
19、ent Mode: playback Procedure: 1.Set RECTIME switch (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.Playba
20、ck the tape from the beginning for two minutes, 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, DO
21、UBLE: approx. 7.6 Hz) . Adjustment Location: MAIN 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 Adju
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