Sony-TCM500DV-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 Tourist Model Model Name Using Similar MechanismNew Tape Transport Mechanism TypeMT-500-175 SPECIFICATIONS TCM-500DV Ver 1.2 2004. 04 Recording system 2-track 1 channel monaural Tape speed 4.8 cm/s or 2.4 cm/s Frequency range 3

2、50 - 6 300 Hz using nomal (TYPE I) cassette (with REC TIME/PLAY MODE switch at “NORMAL”) Speaker Approx. 3.6 cm (1 7 /16 in.) dia. Power output 450 mW + 450 mW (at 10 % harmonic distortion) Input Microphone input jack (minijack) sensitivity 0.2 mV for 3k or lower impedance microphone Output Earphone

3、 jack (minijack) for 8 -300 earphone Variable range of the tape speed From approx. +30% to 15% (with REC TIME/PLAY MODE switch at “NORMAL”) Power requirements 3 V DC, batteries AA (R6) x 2 External DC 3 V power sources Dimensions (w/h/d) (incl. projecting parts and controls) Approx. 87.6 x 113.0 x 3

4、7.1 mm (3 1 /2 x 4 1 /2 x 1 1 /2 in.) Mass (main unit only) Approx. 215 g (7.6 oz.) Design and specifications are subject to change without notice. 9-877-111-03 2004D02-1 2004.04 Sony Corporation Personal Audio Company Published by Sony Engineering Corporation RadioFans.CN 收音机爱 好者资料库 TCM-500DV 2 TAB

5、LE OF CONTENTS 1.GENERAL.2 2.SERVICING NOTES.2 3.DISASSEMBLY.3 3-1. Cabinet Rear Assy (500), Lid Assy (500), Cassette .3 3-2. MAIN Board.4 3-3. Mechanism Deck .4 3-4. Head, Magnetic (Rec/PB/Erase) (HRPE901), Belt (AR), Capstan/Reel (M601) .5 3-5. LED Board.5 3-6. SP Board .6 4.MECHANICAL ADJUSTMENTS

6、.7 5.ELECTRICAL ADJUSTMENTS.7 6.DIAGRAMS 6-1. Block Diagrams.8 6-2. Printed Wiring Board MAIN Board (Side A) .9 6-3. Printed Wiring Board MAIN Board (Side B) . 10 6-4. Schematic Diagram MAIN Board (1/2) . 11 6-5. Schematic Diagram MAIN Board (2/2) . 12 6-6. Printed Wiring Board LED, SP Board . 13 6-

7、7. IC BLOCK DIAGRAMS. 14 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 conductor when soldering or unsolder

8、ing. 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. SECTION 1 GENERAL REC TIME/PLAY MODE VOR TAPE COUNTER z REC x STOP REW/REVIEW FF/CUE VOL Flat Mic Microphone affleurant PAUSE . nN PLAY n D

9、IR N REC, BATT, E lamps Tmoins REC, BATT, E MIC (PLUG IN POWER) EAR SPEED CONTROL SECTION 2 SERVICING NOTES In this set, the S102 (POWER) detects REC/PLAYBACK on. It is mounted on the MAIN board, and therefore the REC/PLAYBACK on cannot be detected with the MAIN board removed. When making an operati

10、on check and voltage check of mechnical deck with the MAIN board removed, fix the S102 at turn on. S102 ON * MAIN BOARD (side A) MAIN BOARD (side B) SL101 7.EXPLODED VIEWS. 15 7-1. Cabinet Section. 15 7-2. Cassette Holder Section . 16 7-3. Mechanism Deck Section-1 (MT-500-175) . 17 7-4. Mechanism De

11、ck Section-2 (MT-500-175) . 18 8.ELECTRICAL PARTS LIST. 19 Also, soldering the lands SL101 bridge makes S102 to turn on. This section is extracted from instruction manual. RadioFans.CN 收音机爱 好者资料库 TCM-500DV 3 3-1.CABINET REAR ASSY (500), LID ASSY (500), CASSETTE Note: Follow the disassembly procedure

12、 in the numerical order given. SECTION 3 DISASSEMBLY This set can be disassembled in the order shown below. Cabinet (Front) assy (500)MAIN board Lid assy (500), Casette Head, Magnetic (Rec/Pb/Erase) (HRPE901), Belt (AR), Capstan/Reel Motor (M601) LED board SP board Set Cabinet Rear assy (500) Mechan

13、ism Deck qa 5 qg Lid assy (500), cassette 6 Flexible doard (CN201) Cabinet (front) assy (500) 2 Screws (B1.7 x 9) 3 Screws (1.7 x 16) 4 Claws 8 Strap, hand 1 Foot (B) 7 Cabinet rear assy (500) 0 Screw (B1.7 x 3) 9 Flexible board (CN401) Returning lever Note on Assembling Lid Assy (500),? Cassette On

14、 assembling the lid assy (500), cassette, insert the one side of the l id spring to the hole on the lid assy, and fit the other side to the cabinet (front) assy (500) as shown in the figure. qs Remove the lid assy (500), cassette while pushing the pivot with a phillips-head screwdriver or the like.

15、qd Remove the returning lever from the pivot of the lid assy (500), cassette while inserting a screwdriver between the lid assy (500), cassette and the returning lever. qf Remove the lid assy (500), cassette while pushing the pivot with a phillips- head screwdriver or the like. RadioFans.CN 收音机爱 好者资

16、料库 TCM-500DV 4 3-3. MECHANISM DECK 6 3 5 Screws (M1.4 x 2.5) 7 Mechanism deck (MT-500-175) 4 Jack (600) 1 Belt (counter) 2 Screw (M1.4 x 2.5) Cabinet (front) assy (500) 3-2. MAIN BOARD 4 Cabinet (front) assy (500) Orange Black Red White 1 Remove four solders of capstan/reel motor 3 Screws (M1.4) 5 M

17、AIN board 2 Flexible board (CN101) TCM-500DV 5 3-4.HEAD, MAGNETIC (REC/PB/ERASE) (HRPE901), BELT (AR), CAPSTAN/REEL MOTOR (M601) 3 Belt (AR) How to attach a belt 4 Screw (M1.4) 5 Capstan/reel motor (M601) 2 Head, magnetic (rec/pb/erase) (HRPE901) 1 Screw (M1.4) 3 Lid assy (500) cassette 4 Flexible b

18、oard (CN402) 9 LED board 6 Remove two solders of mic 1 Screws 7 Sprng (500), ground 8 Mic 901 2 Screws 5 Spring (earth) 3-5.LED BOARD TCM-500DV 6 3-6. SP BOARD 6 4 Screw 9 SP board 5 Claws 2 Claw 3 Knob (speed) (600) Cabinet rear assy (500) 1 Remove a claw of knob (speed) (600) by a screwdriver 7 Fl

19、exible board (CN202) 8 Remove four solders of speaker leads TCM-500DV 77 SECTION 4 MECHANICAL ADJUSTMENTS Tape Tension Measurement 1. Clean the following parts with a denatured-alcohol-moistened swab: record/playback/erase headpinch roller capstanrubber belt 2.Demagnetize the record/playback/erase h

20、ead with a head demag netizer. 3.Do not use a magnetized screwdriver for the adjustments. 4.The adjustments should be performed with the rated power supply voltage (3 V) unless otherwise noted. ModeTorque MeterMeter Reading 1.97 3.92mNm FWD(20 40 gcm) CQ-102C (0.28 0.55 ozinch) FWD Back Tension 0.05

21、 0.49 mNm REV(0.5 5 gcm) REV(0.007 0.069 ozinch) Back Tension FF, REWCQ-201B more than 4.91 mNm (more than 50 gcm) (more than 0.69 ozinch) ModeTension MeterMeter Reading FWDCQ-403A more than 50 g (more than 1.76 oz) Torque Measurement SECTION 5 ELECTRICAL ADJUSTMENTS Tape Speed Adjustment Mode: play

22、back Procedure: 1. Set REC TIME switch (S401) to NORMAL (4.8 cm/s) posi- tion, and playback the tape (WS-48A) . 2. Adjust RV602 so that frequency counter reading becomes 3,010 Hz. 3. Set REC TIME switch (S401) to DOUBLE (2.4 cm/s) posi- tion. 4.Playback the tape from the beginning for two minutes, t

23、hen ad- just RV601 so that frequency counter reading becomes 1,505 Hz. Confirm that deflection of the frequency counter reading between the beginning and the end of tape is within 2% (NORMAL: approx. 60 Hz, DOUBLE: approx. 30 Hz) . Setting: Supplied voltage: 3 V (DC) Switch and control position VOL

24、contorl (RV101): mechanical center REC SPEED switch (S401): normal (4.8cm/s) PAUSE switch (S601): OFF SPEED CONTROL (RV201) : center click VOR switch (S402): OFF 0 dB=0.775 V TypeSignal Used for WS-48A3 kHz, 0 dBtape speed adjustment frequency counter test tape WS-48A (3 kHz, 0 dB) 16 EAR jack (J102

25、) set + Test Tape Regulation Level input levelMic 60dBs output levelearphone16, 20dBs Adjustment Location: MAIN BOARD (Conductor Side) IC601 10 11 RV602 RV601 Tape Speed Adjustment Tape Speed Adjustment (Normal Speed) (Double Speed) 1 20 Ver 1.2 TCM-500DV 88 6-1. BLOCK DIAGRAMS S101 (4/6) REC R PB S

26、101 (2/6) REC R PB S101(6/6) PB r REC S101 (1/6) REC R PB Q801 REC B+ S103 FWD r REV RV101 wVOL S101(3/6) REC R PB P.B+ B+ 3VBATT B+ S102 (POWER) 674 VOLTAGE DET IC401 MIC901 FLAT MIC J101 MIC (PLUGIN POWER) 15 14 11 1 16 4 MIC/EARPHONE AMP IC101 LPF IC301 POWER AMP IC103 PRE DRIVE OUTPUT SOFT SWITC

27、H WAVEFORM DETECT SPEED DETECT BIAS OSC CURRENT DETECT MOTOR BRAKE Q602 MOTOR BRAKE Q604 INITIAL SWITCH Q603,605 LED DRIVE Q404 B+ SWITCH Q403,405 LED DRIVER Q401 ATT ALC ATT REC B+ SWITCH Q705 INITIAL DETECT Q709,710 MUTE Q701 MUTE DRIVE Q703 3 6 14 5 6 9 5 J102 EAR SP902 SPEAKER (R-CH) SP901 SPEAK

28、ER (L-CH) B+3V L-CH -1 -2 -3 FWD REV R-CH L-CH R-CH HRPE901 (REC/PB/ERASE HEAD) S401 (2/2) REC TIME/PLAY MODE NORMAL r DOUBLE 5 6 1 VOR LEVEL DETECT IC501 4 11 13 14 1617 12 5 6 SERVO CONTROL IC601 D801 S402 VOR ON R OFF 15 IN+ THP601 S401(1/2) Q702, 704 MUTE OR Q201 VDD BATT B+ IN(A) +OUT(A) -OUT(A

29、) +OUT(B) -OUT(B) IN(B) SHUT DOWN VREF UOUT VOUT WOUT S/S VSP OSC COM OUT M M601 CAPSTAN/REEL MOTOR BATT B+ U V W Q601 INVERTER Q402(2/2) LED ON/OFF Q402(1/2) LED ON/OFF Q708 B+3V B+3V REC B+ P.B+ L401 S101(5/6) REC R PB DRY BATTERY SIZE AA (IEC DESIGNATION LR6) 2PCS, 3V DC IN 3V ! J103 S104 PAUSE .

30、 OFF r ON REC BATT E D402 D401 D403 RV201 SPEED CONTROL REC TIME/PLAY MODE DOUBLE R NORMAL RV601 TAPE SPEED 2.4cm RV602 TAPE SPEED 4.8cm REC B+ OR Q202 MUTE SWITCH 3 16 4 17 18 15 1 INITIAL DETECT Q707 POWER DETECT Q706 Signal path. E: PB a: REC SECTION 6 DIAGRAMS TCM-500DV 99 6-2. PRINTED WIRING BO

31、ARD MAIN BOARD (SIDE A) Note: X : parts extracted from the component side. a: Through hole. : Pattern from the side which enables seeing. (The other layers patterns are not indicated.) Caution: Pattern face side:Parts on the pattern face side seen (Side B)from the pattern face are indicated. Pattern

32、 face side:Parts on the parts face side seen (Side A)from the parts face are indicated. C138 S102 (POWER) 11 (11) 1-687-887- (SIDE A) MAIN BOARD 2345678 A 1 B C D E TCM-500DV 1010 R709 R706 R126 R125 R104 R129 R703 R127 R119 R105 R103 R135 R101 R132 S101 -6-5-4 -3-2-1 R102 C501 R111 R128R130 C702 C1

33、18 C131 C137 C115 R813 R811 R131 C128 C127 C126 R123 C132 C117 C110 C106 C105 C119 C116 C113 C129 C104 C103 C101 C102 C703 C121 C120 C124 C125 D101 D102 D801 D701 R206 R210 R211 R810 R806 R805 R710 R711 R203 R208 R215 SL201 R216 R401 C134 C207 CN201 R503 R506 R505 R502 C503 R504 R501 C402 C505 C506

34、C502 C504 R213 R310 R309 R209 R116 R118 R117 C106 C109 R312 C308 R301 C303 C206 R702 R121 R707 S103 R122 R133R114 R112 R110 R308 R311 R207 R205 R212 C111 C107 C114 C701 C123 C122 C136 C135 C305 C304 C309 C133 C202 C201C203 C130 Q603 Q601 Q706 Q405Q403 Q401 Q402 Q404 J103 ECB ECB Q708 Q605 Q602 Q604

35、ECB ECB ECB THP601 RV602 RV601 IC601 IC401 1 1 10 20 11 45 8 IC103 IC301 S104 PAUSE Q703 Q707 Q709 Q710 ECB ECB ECB ECB Q704 Q202Q201 Q702 Q705 Q701 Q801 ECB ECB ECB ECBECB ECB 1 10 20 11 IC101 1 16 8 9 IC501 1 45 8 CN401 CN101 RV101 J101 J102 DC IN 3V DRY BATTERY SIZE AA (IEC DESIGNATION LR6) 2PCS,

36、 3V R611 R616 R612 R412 R613 R618 R617 R609 R606 R614 R411 R607 C704 R708 R713 R712 R704 R610 R603 R705 C606 C608 C609 C607 C604 C610 C601 C405 C602 C605 C603 R608 R414 R413 R416 R415 R601 R602 R605 R615 R406 R403 R405 E B C C B E R402 R408 C403R404 R409 R407 C404 R420 R419 R417 R418 L401 W V U COM

37、M601 CAPSTAN/REEL MOTOR (SIDE B) MAIN BOARD 11 (11) 1-687-887- REC PB r C B E B C 1 2 3 115 115 FWD t REV TO HRPE901 (REC/PB/ERASE HEAD) A LED BOARD (Page 13) B SP BOARD (Page 13) EAR N MIC (PLUGIN POWER) VOL BCE BCE BCE BCE BCE BCE 23456789 A 1 B C D E 6-3. PRINTED WIRING BOARD MAIN BOARD (SIDE B)

38、D101B-5 D102D-2 D701B-2 D801C-3 IC101B-3 IC103D-5 IC301C-5 IC401D-7 IC501E-3 IC601C-8 Q201D-5 Q202D-5 Q401C-6 Q402D-6 Q403C-6 Q404D-7 Q405C-6 Q601C-7 Q602C-8 Q603C-7 Q604C-8 Q605C-8 Q701C-3 Q702C-5 Q703B-2 Q704C-4 Q705D-3 Q706B-6 Q707B-3 Q708B-7 Q709B-3 Q710B-3 Q801C-3 Ref. No.Location Semiconductor

39、 Location Note: X : parts extracted from the component side. a: Through hole. : Pattern from the side which enables seeing. (The other layers patterns are not indicated.) Caution: Pattern face side:Parts on the pattern face side seen (Side B)from the pattern face are indicated. Pattern face side:Par

40、ts on the parts face side seen (Side A)from the parts face are indicated. TCM-500DV 1111 6-4. SCHEMATIC DIAGRAM MAIN BOARD (1/2) Refer to page 14 for Notes. CN201CN202 CN101 R101 R102 R103 R104 R105 R135 R805 Q701 C102 C103 C104 C105 C119 D101 R110R112 C137 C117 R125 C115 C118 C124 C125 R126 R127R12

41、8 R129 R130 C131 C106 C110 C111 C114 C116 R121 R122 C122 C123 C701 R702 C135C136 R133 R711 R703 R709 C132 D701 C201C203R205 R206 R210 R211 C207 C134 C202 R203 R207R208C206 R813 R811 C126 D102 R131 R132 C127 C128 C129 R311 R312 C308 C309 C303 C304 C133 R301R308 R309 R310 C107 C305 R810 S101(3/6) S101

42、(4/6)S101(1/6) R209 C120 C121 R119 S101(2/6) R111 C101 J101 MIC (PLUGIN POWER) SP901 SP902 R806 RV101 S104 J102 EAR C113 IC101 Q702 Q704 Q201 Q202 R710 S101(5/6) R215 R216 Q801 Q705 Q703 IC103 R707 C109 C108R116 R118R117 R114 S101(6/6) RV201 SPEED CONTROL R212 R213 R123 15P15P 9P 4.7k 2.2k 22k 10k 4

43、70 470 470 2SC4213 0.1 0.01 0.01 22 4V 22 4V 02DZ2.4 10k10k 1 1000p 47 10 10V 0.1 0.0110 10V 4.7 2.2k2.2k 2.2 2.2M 1 0.47 0.47 0.22 4700p 4700p 10k 4.7k 10 10V0.01 1 47k 47 4V 47 4V 47k 220k 4.7k 220k 10 10V MA2ZD14001S0 10.04722k 10k 100k 220k 220 4V 10 10V 0.047 10k 22k220k0.22 100 100 1000p MA805

44、6 10k 22 1000p 1000p 1000p 22k 220k 1 1000p 0.022 0.022 10 10V 1k1k 22k 22k 10 10V 0.047 470k 100k 10 10V 1 1k 220 0.1 220 10k VOL 1 20V NJM2128M UN9214J MUTE OR UN9214J MUTE ORUN9214J INV. UN9214J MUTE SWITCH 1k 22k 47k UN9215J SWITCH 2SA1774 REC B+ SWITCH 2SA1774 MUTE DRIVE LM4863MTX POWER AMP 100

45、k 0.022 0.04710k 10k2.2k 220 30k 1k 1k 2.2k GND 2 GND 1 SPD CTL GND 3 9 10 7 8 3 4 (Page 12) 5 6 1 2 OFFPAUSE PAUSE MUTE SPEAKER (L-CH) SPEAKER (R-CH) R-CH L-CH FWD REV R-CH L-CH PBREC PBRECPBREC FWDREV PBREC SHUT DOWN GND +OUT(A) VDD -OUT(A) -IN(A) GND +IN(A) GND GNDGND GND GND HP-IN +OUT(B) -OUT(B

46、) -IN(B) +IN(B) VDD BYPASS V+ OUTPUT +INPUT GND -INPUT PB REC S103 - + - + HEAD ERASE PLAYBACK/ RECORD/ HRPE901 IC301 NJU7013F-TE2 MIC/EARPHONE AMP LPF PB REC -1 -2 -3 -4 TCM-500DV 1212 6-5. SCHEMATIC DIAGRAM MAIN BOARD (2/2) Refer to page 14 for Notes. CN401 CN402 Q603 Q605 Q602 Q604 JC1 JC2 JC3 C602 C603 C605 C606 C608 C609 R606 R609C601 C604R612 R616 C607 R618 R617 C610 R613R614 R615 R607 R608 R611 R610 R601 R602 THP601 R603R605 R704 R705 C404 C405 R411R412R413R414 R415 R416 L401 100H R417 R419 R420 C403 C5