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SERVICE MANUAL
Ver 1.0 2001.02
Sony Corporation
9-873-059-11
2001B0500-1
Audio Entertainment Group
C 2001.2
General Engineering Dept.
M-640V/645V/647V
SPECIFICATIONS
East European Model
Chinese Model
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
MICROCASSETTE
US Model
M-645V/647V
E Model
Tourist Model
M-640V
M-530V
MZ-530V-99
TM
-CORDER
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Table of Contents
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Summary of Contents for Sony M-640V
- Page 1 M-640V/645V/647V SERVICE MANUAL US Model M-645V/647V Ver 1.0 2001.02 East European Model E Model Chinese Model Tourist Model M-640V Model Name Using Similar Mechanism M-530V Tape Transport Mechanism Type MZ-530V-99 SPECIFICATIONS MICROCASSETTE -CORDER Sony Corporation 9-873-059-11 2001B0500-1 Audio Entertainment Group C 2001.2...
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Page 2: Table Of Contents
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. -
Page 3: General
M-640V/645V/647V SECTION 1 This section is extracted from instruction manual. GENERAL... -
Page 4: Disassembly
M-640V/645V/647V SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW Lid Assy, Cabinet (rear) Main Mechanism Head, Cassette Assy Board Deck Ceramic (HRPE901) (MZ-530V-99) Lid, Battery Case Unit Note: Follow the disassembly procedure in the numerical order given. -
Page 5: Lid, Battery Case
M-640V/645V/647V 2-3. LID, BATTERY CASE 3 two claws 4 lid, battery case 2-4. CABINET (REAR) ASSY Note: When installing, fit the knobs and switches. 1 two screws (1.7x16) 3 screw (B1.7x5), tapping 2 two screws (1.7x16) 5 claw 6 cabinet (rear) assy... -
Page 6: Main Board
M-640V/645V/647V 2-5. MAIN BOARD 9 lock, serrat IB 1 Remove two solders. 2 Remove two solders. 0 lock, serrat IB 3 Remove four solders. 8 mic assy 4 Remove two solders. qa MAIN board 5 Remove two solders. 7 Remove the solder. -
Page 7: Led Unit
M-640V/645V/647V 2-7. LED UNIT 1 screw (1.7), tapping 2 bracket (LED) 3 LED unit 2-8. HEAD, CERAMIC (HRPE901) 2 arm (pinch roller) assy 3 screw (M1.4x4.5), looking 4 screw (M1.4), special head 5 head, ceramic 1 claw (HRPE901) -
Page 8: Mechanical Adjustments
M-640V/645V/647V SECTION 3 SECTION 4 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION Specified voltage: 3 V (DC) 1. Clean the following parts with a denatured-alcohol-moistened Test Tape swab : Tape Speed record/playback/erase head pinch roller Type Signal Used for (cm / s) - Page 9 M-640V/645V/647V Tape Speed Adjustment Adjustment Location: First remove the plate, blind. Setting: [VOL] control: mechanical mid Remove the [VOR] switch: OFF plate, blind. Procedure: Note: Reform 1.2 cm/s speed adjustment before 2.4 cm/s speed. test tape WS-24: tape speed 2.4cm/s WS-12: tape speed 1.2cm/s...
- Page 10 M-640V/645V/647V MEMO...
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Page 11: Diagrams
M-640V/645V/647V SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM PRE AMP, ALC IC101 (1/2) S101 (3/4) J102 RV101 MIC IN (REC/PB) PRE OUT POWER AMP, – (PLUG IN POWER) CAPSTAN/REEL MOTOR DRIVE ALC SWITCH IC101 (2/2) Q101 PWR IN PWR OUT2 J101... -
Page 12: Printed Wiring Board
M-640V/645V/647V 5-2. PRINTED WIRING BOARD • Semiconductor J102 Location J101 RV101 Ref. No. Location (PLUG IN POWER) MAIN BOARD D102 MIC901 D103 MAIN BOARD (COMPONENT SIDE) (CONDUCTOR SIDE) D504 IC101 IC501 D103 R141 D102 Q101 Q102 Q103 Q104 Q105 (CHASSIS) -
Page 13: Schematic Diagram
M-640V/645V/647V 5-3. SCHEMATIC DIAGRAM • See page 14 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF • Voltages are dc with respect to ground in playback mode. 50 WV or less are not indicated except for electrolytics no mark : PLAYBACK and tantalums. -
Page 14: Exploded Views
M-640V/645V/647V SECTION 6 EXPLODED VIEWS • IC Block Diagrams NOTE: • Abbreviation • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they E1 : 220 VAC area in E model may have some difference from the original are seldom required for routine service. -
Page 15: Main Group Section
M-640V/645V/647V 6-2. MAIN GROUP SECTION MZ-530V-99 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-704-197-31 LOCK, SERRAT IB 3-036-882-01 SPACER (JACK) 3-831-441-99 SPACER, KNOB A-3021-217-A MAIN BOARD, COMPLETE 3-034-687-01 TERMINAL (-), BATTERY * 63 3-037-557-01 SHEET (B), GROUND 3-031-376-21 BUTTON (REC) 4-963-883-61 SCREW (M1.4), PRECISION PAN... -
Page 16: Mechanism Deck Section (Mz-530V-99)
M-640V/645V/647V 6-3. MECHANISM DECK SECTION (MZ-530V-99) M901 HRPE901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-028-965-01 SPRING (PINCH ARM), TORSION 3-028-957-01 SPRING (CAM GEAR),TENSION 3-704-197-01 SCREW (M1.4), SPECIAL HEAD 3-028-966-01 GEAR (S-OFF-OW), CAM 3-704-197-71 SCREW (M1.4X4.5), LOCKING... -
Page 17: Electrical Parts List
M-640V/645V/647V SECTION 7 ELECTRICAL PARTS LIST MAIN NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service. - Page 18 M-640V/645V/647V MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > R149 1-216-839-11 METAL CHIP 1/16W R150 1-216-849-11 METAL CHIP 220K 1/16W Q101 8-729-800-37 TRANSISTOR 2SD1048X7-TB R151 1-216-835-11 METAL CHIP 1/16W Q102 8-729-402-84 TRANSISTOR...
- Page 19 M-640V/645V/647V Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS ******************************* 1-528-405-51 ADAPTOR, BATTERY CHARGE (645V) 1-542-307-31 MICROPHONE (647V) 1-693-073-21 ADAPTOR, AC (AC-E351) (645V) 1-756-035-31 BATTERY PACK (NC-WMAA) (645V) 3-035-588-01 POUCH, CARRYING (640V: EE, JE/647V)
- Page 20 M-640V/645V/647V REVISION HISTORY Clicking the version allows 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...