Table of Contents
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SERVICE MANUAL
Ver 1.1 1999. 01
Ver 1.1 2000. 01
MICROFILM
M-730V/830V
Photo : M-830V
SPECIFICATIONS
MICROCASSETTE
– 1 –
Canadian Model
AEP Model
Chinese Model
Tourist Model
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
US Model
E Model
M-730V/830V
M-730V
M-830V
NEW
MZ-730V-99
TM
-CORDER
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Table of Contents
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Summary of Contents for Sony M-730V
- Page 1 M-730V/830V SERVICE MANUAL US Model Canadian Model Ver 1.1 1999. 01 Ver 1.1 2000. 01 AEP Model E Model M-730V/830V Chinese Model M-730V Tourist Model M-830V Photo : M-830V Model Name Using Similar Mechanism Tape Transport Mechanism Type MZ-730V-99 SPECIFICATIONS...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. GENERAL ..............2. DISASSEMBLY 2-1. Lid Assy, Cassette ............... 4 2-2. Lid, Battery Case ..............4 2-3. Cabinet (Rear) Assy ............5 2-4. Speaker Assy, Microphone ..........5 2-5. Main Board ................. 6 2-6. Mechanism Deck ..............6 2-7. -
Page 3: General
SECTION 1 GENERAL 1 VOL !¡ Microphone ∑ knob 2 MIC jack !™ r(REC) button 3 EAR jack !£ C PAUSE knob 4 VOR switch !¢ œ(Playback) button 5 REC/BATT lamp !∞ CUE/REVIEW knob 6 FAST PB switch (M-830V ONLY) !§... -
Page 4: Disassembly
SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. Mechanism Lid assy, cassette Cabinet (rear) Speaker assy, Main board Head, ceramic (HRPE901,902) deck assy Microphone Lid, battery case LED unit Note : Follow the disassembly procedure in the numerical order given. 2-1. -
Page 5: Cabinet (Rear) Assy
2-3. CABINET (REAR) ASSY Note : When installing, fit the knobs and switches. 2 Four screws (B1.7 × 16) 1 Screw (B1.7 × 5) 5 Cabinet 3 Claw (rear) assy Knob (PAUSE) Knob (FR) 4 Claws Switch (PAUSE) Switch (TAPE SPEED) 2-4. -
Page 6: Main Board
2-5. MAIN BOARD 4 Two screws 6 Main board 1 Unsolder the 8 places. 3 Unsolder the 4 places. 2 Unsolder the 6 places. 2-6. MECHANISM DECK 4 Mechanism deck Button (REC) Button (PLAY) Button (EJECT/STOP) – 6 –... -
Page 7: Led Unit
2-7. LED UNIT Blacket (LED) 1 Three screws (1.7 × 2.3) tapping LED unit Claw 2-8. HEAD, CERAMIC (HRPE901, 902) 2 Arm (pinch roller) assy 3 M1.4, special head 4 M1.4, special head 1 Claw 5 Head, ceramic (HRPE901, 902) –... -
Page 8: Mechanical Adjustments
SECTION 3 SECTION 4 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION Test Tape 1. Clean the following parts with a denatured-alcohol-moistened Tape Speed swab : Type Signal Used for (cm/s) record/playback/erase head pinch roller S-2-A030A 3 kHz, – 20 dB Head Azimuth Adjustment rubber belts capstan 2. - Page 9 Tape Speed Adjustment Adjustment Location : First remove the plate, blind. Setting: VOL control : mechanical mid Remove the VOR switch : OFF plate, blind. FAST PB switch : ON (M-830V model only) Procedure: • Reform 2.4 cm/s speed adjustment before 1.2 cm/s speed adjust- ment mode : playback digital frequency test tape...
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Page 10: Diagrams
SECTION 5 DIAGRAMS • IC Block Diagrams IC101 LA4168ML PAUSE 2.2k Vref R, F SPEED POWER 300k IC501 MM1251M IC601 LB1877V (M-830V model only) 14 13 – REF V BIAS – LOCKING SPEED PROTECT STARTUP WAVEFORM DRIVER DIR LOGIC VREF VOLTAGE UP STARTUP CURRENT... -
Page 11: Block Diagram
(ERASE) Q603 MUTE SWITCH REC/PB SWITCH SWITCH Q119 Q102 Q117 S604 (DIR) LED UNIT M-830V MODEL ONLY M-730V MODEL ONLY CUE MARKER CUE MIX CUE OSC CUE SWITCH Q304 Q303 Q301,302 VOICE MIRROR VOICE MIRROR SWITCH DRIVE Q106 Q107 BATT LED... -
Page 12: Printed Wiring Board
M-730V/830V 5-2. PRINTED WIRING BOARD (SIDE-B) (SIDE A) RV101 ∑ 1-673-896- 1-673-896- • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location D101 Q106 Q301 B-10 Note: Q107 Q302 B-10 • X : parts extracted from the component side. -
Page 13: Schematic Diagram
M-730V/830V 5-3. SCHEMATIC DIAGRAM • Refer to page 10 for IC Block Diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF • Voltage is dc with respect to ground under no-signal 50 WV or less are not indicated except for electrolytics condition. -
Page 14: Exploded Views
M-730V/830V Ver 1.1 2000. 01 SECTION 6 EXPLODED VIEWS NOTE: Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Accessories and packing materials are... -
Page 15: Mechanism Deck Section (1)
6-2. MECHANISM DECK SECTION (1) (MZ-730V-99) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-321-483-11 RING, RETAINING 3-331-007-21 WASHER 3-028-928-01 LEVER (EJECT) 3-350-989-01 WASHER 3-028-961-01 SPRING (BUTTON), COMPRESSION 3-028-964-01 SPRING (SLIDER), TORSION 4-926-562-01 WASHER, STOPPER 3-028-929-01 LEVER (POWER SW) 3-028-940-02 LEVER (SRS) 3-028-927-01 LEVER (STOP) 3-028-920-01 LEVER (REVERSE SWITCH) -
Page 16: Mechanism Deck Section (2)
6-3. MECHANISM DECK SECTION (2) (MZ-730V-99) HRPE901 M901 HRPE902 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-703-816-31 SCREW (M1.4), SPECIAL HEAD 3-028-922-01 BRACKET (N), HEAD 3-703-816-73 SCREW (M1.4), SPECIAL HEAD X-3376-234-1 BRACKET (R) ASSY, HEAD 3-028-960-01 SPRING (AZIMUTH), COMPRESSION 3-028-962-01 SPRING, TORSION 3-028-909-01 GUIDE (N), TAPE... -
Page 17: Electrical Parts List
SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE: • SEMICONDUCTORS • Due to standardization, replacements in • Abbreviation In each case, u : µ, for example: the parts list may be different from the CND : Canadian model parts specified in the diagrams or the uA.. - Page 18 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > R112 1-216-057-00 METAL CHIP 2.2K 1/10W R113 1-216-081-00 METAL CHIP 1/10W D101 8-719-422-56 DIODE MA8056-H-TX R114 1-216-061-00 METAL CHIP 3.3K 1/10W R115 1-216-089-91 RES,CHIP 1/10W <...
- Page 19 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R311 1-216-295-91 RES,CHIP (830V) < SWITCH > R312 1-216-065-91 RES,CHIP 4.7K 1/10W (830V) S101 1-572-964-11 SWITCH, SLIDE R501 1-216-037-00 METAL CHIP 1/10W S102 1-692-605-31 SWITCH, SLIDE (VOR) (830V) S103 1-762-594-41 SWITCH, PUSH (1 KEY) (POWER)
- Page 20 M-730V/830V Sony Corporation 99D1686-1 Printed in Japan C1999. 4 9-927-100-11 Personal A&V Products Company Published by Quality Engineering Dept. – 24 – (Shinagawa)