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Sony M670V - M Microcassette Dictaphone, Service Manual

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Sony M670V - M Microcassette Dictaphone Service Manual Download Page 20

M-670V/673V/675V

REVISION  HISTORY

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Ver.

Date

Description of Revision

1.0

2004.02

New

1.1

2004.03

Delete of M-670V Canadian and AEP models.

(ENG-04009)

Summary of Contents for M670V - M Microcassette Dictaphone

Page 1: ...itivity 0 2 mV for 3 kΩ or lower impedance microphone Output Earphone jack minijack monaural for 8 300 Ω earphone Power output at 10 harmonic distortion 450 mW Power requirements 3 V DC batteries size AAA R03 x 2 External DC 3V power sources Dimensions w h d incl projecting parts and controls Approx 54 8 x 106 8 x 21 5 mm 2 1 4 x 4 1 4 x 7 8 in Mass main unit only Approx 92 g 3 3 oz Supplied acces...

Page 2: ...gram 12 4 4 IC Block Diagrams 13 5 EXPLODED VIEWS 5 1 Cabinet Rear Section 14 5 2 Cabinet Front Section 15 5 3 Mechanism Deck Section MZ 670 99 16 6 ELECTRICAL PARTS LIST 17 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C 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 ...

Page 3: ...o the center position when you release the switch In this case push back the switch to the center to start playback To increase the playback speed Slide the FAST PB switch in the direction of the arrow The playback speed will be increased To return to the original speed slide the FAST PB switch to the original position Recording You can record right away with the built in microphone Make sure that...

Page 4: ...CABINET REAR Cassette lid assy Set Cabinet rear MAIN board Mechanism deck MZ 670 99 LED board Ceramic head HRPE901 Motor M901 5 cassette lid assy 1 eject 2 3 4 1 four screws B1 7 x 14 2 claws 4 battery lid lever F R knob fast PB knob FR knob pause S301 S602 5 cabinet front 3 CAUTIONS DURING ASSEMBLY Align these switches and knobs S301 t Knob pause S602 t Knob fast PB Lever F R t Knob FR ...

Page 5: ...ED RED 1 Remove solder sixteen places 2 two screws MAIN board S501 S601 knob tape speed tape speed knob tape speed VOR 3 CAUTIONS DURING ASSEMBLY Align these switches and knobs S501 t Knob tape speed VOR S601 t Knob tape speed tape speed 1 4 2 mechanism deck MZ 670 99 3 two screws 6 LED board 5 window BATT LED ...

Page 6: ...E HRPE901 2 6 MOTOR M901 1 claw 3 M1 4 special head 4 M1 4 special head 2 arm pinch roller assy 5 ceramic head HRPE901 belt flywheel belt counter tape How to apply the belts belt flywheel M901 flywheel assy 1 3 motor M901 mechanism deck 2 two screws ...

Page 7: ... 5 10 g cm 0 07 to 0 138 oz inch Tape Tension Measurement Tape Speed switch 2 4cm s Mode Torque Meter Meter Reading FWD CQ 403M more than 25 g more than 0 9 oz 3 2 ELECTRICAL ADJUSTMENTS Standard Output Level Output terminal EAR Load impedance 8Ω Output level 78mV 20dB Test Tape Type Signal Used for Tape speed cm s S 2 A030A 3kHz 20dB Azimuth Adjustment 2 4 WS 24 3kHz 10dB Tape Speed Adjustment 2 ...

Page 8: ...WS 12 3kHz 10dB frequency counter J102 earphone jack 8Ω Adjustment Value Test Tape Adjustment Speed Frequency counter Part WS 24 RV602 2 4cm s 2 880 3 120Hz WS 12 RV601 1 2cm s 2 850 3 150Hz Frequency difference between the beginning and the end of the tape should be within 0 5 2 4cm s 15Hz 1 2cm s 15Hz Adjustment Location RV601 1 2cm s speed adjustable resistors RV602 2 4cm s MAIN BOARD SIDE B ...

Page 9: ...V OUT W OUT VCC U V W Q306 Q601 RV601 TAPE SPEED 1 2cm RV601 S602 FAST PB ON OFF VCC VCC VREF IN S S S601 2 2 TAPE SPEED 1 2cm 2 4cm RV602 TAPE SPEED 2 4cm S601 1 2 TAPE SPEED 2 4cm 1 2cm PRE AMP IC101 1 2 BTL POWER AMP IC101 2 2 NC RFLT IN PRE OUT RFLT OUT VCC PRE2 IN PRE2 NF 22 REG REG OUT SP IN ALC IN Q304 MUTE MOTOR DRIVER IC601 S102 POWER VCC S501 VOR OFF ON J102 EAR SP1 SPEAKER S301 PAUSE ON...

Page 10: ...R 2 4cm 1 2cm t TAPE SPEED ON OFF t FAST PB SIDE A BOARD MAIN 11 11 1 860 838 E C B E C B E C B E C B 2 3 4 5 6 7 8 A 1 B C D E Ref No Location D302 D 4 D701 A 1 IC601 C 6 Q601 B 7 Q701 B 2 Q702 A 2 Q703 C 7 Q706 C 7 Semiconductor Location Note X parts extracted from the component side r Through hole Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pat...

Page 11: ...1 Q302 Q306 TP10 TP6 TP9 TP19 TP4 TP24 TP31 TP40 TP30 TP29 1 1 2 3 4 2 3 4 1 2 3 4 RV101 N VOL MIC1 MIC J101 MIC PLUG IN POWER J102 EAR 1 2 4 3 1 2 4 3 HRPE901 RECORD PLAYBACK ERASE HEAD SP1 SPEAKER S101 REC PB t PAUSE ON OFF t W904 W701 W702 D702 W902 DRY BATTERY SIZE AAA IEC DESIGNATION R03 2PCS 3V 11 11 1 860 839 11 11 1 860 838 SIDE B BOARD MAIN BOARD LED W V U VCC M901 CAPSTAN REEL MOTOR DC I...

Page 12: ...2 6 3V 10 10V 1k 10k 22k 470 470 1 10k 2 2k 10k 22k 4 7k 47k 47k 22k 4 7k 10k 22 6 3V 1k 4 7k 1k 220 1k 1M 2 2k 470k 22k 22k 470k 1M 1M 1M 4 7k 4 7k 4 7k 1k 22k 47k 470 22 220 1k 22 2 2k 2 2k 220k C118 100p 0 01 1k 1k 1M 470 220k 4 7k 22k 2 2k 100k 2 2k 1k UN9114J TX SO LED DRIVER XP1501 F F OSC UN9214J TX SO LED DRIVER XP4601 LED DRIVER SSM3K03FE TPL3 SWITCH UN9215J TX SO SWITCH UN9115J TX SO B S...

Page 13: ...3 14 15 16 18 20 19 STARTING DETECT POWER SUPPLY BIAS OSCILLATING CIRCUIT SPEED CONTROL REFERENCE VOLTAGE REFERENCE VOLTAGE CURRENT DETECT SPEED DETECT WAVEFORM DETECT COMMUTATION STARTING LOGIC SOFT SWITCH PRE DRIVER 17 Note on Schematic Diagram All capacitors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and ...

Page 14: ... parts with no reference number in the exploded views are not supplied Hardware mark list and accessories are given in the last of this parts list Abbreviation CH Chinese model JEW Tourist model 1E No indication of country of origin 1 2 2 3 4 5 6 7 8 cabinet front section 1 3 258 296 11 CABINET REAR 670V CH E JEW 673V US 675V 1 3 258 296 21 CABINET REAR 670V 1E EE 673V AEP 2 3 318 203 99 SCREW B1 ...

Page 15: ...39 11 LED BOARD 56 3 258 294 01 TERMINAL BATTERY 57 3 258 293 01 BUTTON REC 58 3 258 292 01 BUTTON PLAY 59 3 258 291 01 BUTTON STOP 60 3 258 319 01 WINDOW BATT LED 61 3 318 203 72 SCREW B1 7X5 TAPPING 62 3 258 287 01 HOLDER BATTERY 63 3 328 319 01 STRAP HAND 64 3 258 285 11 CABINET FRONT 65 X 3384 510 1 LID ASSY CASSETTE 66 3 258 298 01 KNOB TAPE SPEED 67 3 258 288 01 WINDOW REC LED 68 3 258 289 0...

Page 16: ...WASHER 116 X 3376 227 4 LEVER F R ASSY 117 X 3376 228 9 LEVER TU ASSY 118 3 029 634 15 BEARING 119 X 3376 231 2 FLYWHEEL ASSY 120 3 377 420 11 BELT 121 X 3376 224 7 LEVER REC ASSY 122 3 029 641 01 SPRING TORSION 123 3 028 957 01 SPRING CAM GEAR TENSION 124 3 028 966 14 GEAR S OFF OW CAM 125 X 3376 230 5 LIMITTER ASSY 126 3 028 955 02 SPRING LOCK TENSION 127 X 3377 535 5 LEVER LOCK ASSY 128 4 992 2...

Page 17: ...ERAMIC CHIP 0 01uF 10 25V C301 1 119 750 11 TANTAL CHIP 22uF 20 6 3V C302 1 104 851 11 TANTAL CHIP 10uF 20 10V C303 1 113 690 11 ELECT CHIP 220uF 20 4V C304 1 119 750 11 TANTAL CHIP 22uF 20 6 3V C305 1 135 834 91 CERAMIC CHIP 2 2uF 6 3V C306 1 135 834 91 CERAMIC CHIP 2 2uF 6 3V C307 1 135 151 21 TANTALUM CHIP 4 7uF 20 4V C308 1 135 834 91 CERAMIC CHIP 2 2uF 6 3V C309 1 104 851 11 TANTAL CHIP 10uF ...

Page 18: ...CHIP 2 2K 5 1 16W R321 1 218 949 11 RES CHIP 470 5 1 16W R322 1 218 949 11 RES CHIP 470 5 1 16W R323 1 218 961 11 RES CHIP 4 7K 5 1 16W R324 1 218 965 11 RES CHIP 10K 5 1 16W R502 1 218 961 11 RES CHIP 4 7K 5 1 16W R601 1 218 953 11 RES CHIP 1K 5 1 16W R602 1 218 989 11 RES CHIP 1M 5 1 16W R603 1 218 989 11 RES CHIP 1M 5 1 16W R604 1 218 977 11 RES CHIP 100K 5 1 16W R605 1 218 989 11 RES CHIP 1M 5...

Page 19: ...PANISH ITALIAN PORTUGUESE 670V E 3 259 967 51 MANUAL INSTRUCTION ENGLISH RUSSIAN 670V EE 3 259 967 61 MANUAL INSTRUCTION CZECH HUNGARIAN POLISH SLOVAKIAN 670V EE 3 259 967 71 MANUAL INSTRUCTION ENGLISH SIMPLIFIED CHINESE 670V CH 3 259 967 81 MANUAL INSTRUCTION ENGLISH TRADITIONAL CHINESE 670V 1E 3 259 967 91 MANUAL INSTRUCTION ENGLISH TRADITIONAL CHINESE KOREAN RUSSIAN 670V JEW Ref No Part No Desc...

Page 20: ...llows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2004 02 New 1 1 2004 03 Delete of M 670V Canadian and AEP models ENG 04009 ...

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