Sony M-800V Service Manual
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SERVICE MANUAL
Ver 1.2 2004.08
Sony Corporation
9-873-543-03
2004H16-1
Personal Audio Company
© 2004.08
Published by Sony Engineering Corporation
M-800V/850V
Photo : M-850V
SPECIFICATIONS
Tape
(normal position type)
Recording system
2-track 1-channel monaural
Speaker
1
Approx. 2.8 cm (1
⁄
in.) dia.
8
Tape speed
15
15
2.4 cm/s (
⁄
ips), 1.2 cm/s (
⁄
ips)
16
32
Frequency range
300 - 4 000 Hz (with TAPE SPEED switch at 2.4 cm/s)
Input
Microphone input jack (minijack/PLUG IN POWER)
sensitivity 0.21 mV for 3 kΩ or lower impedance microphone
Output
Earphone jack (minijack) for 8 - 300 Ω earphone
Power output (at 10% harmonic distortion)
250 mW
Power requirements
3 V DC batteries size AAA (R03) × 2/External DC 3V power sources
Dimensions (w/h/d)
Approx. 58.5 × 100 × 22.5 mm (2
3
⁄
and controls
Mass
Approx. 110 g (3.9 oz) (main unit only)
Supplied accessories
Microcassette tape MC-30 (1) (European model and world model of
M-850V only)
Batteries R03 (SB) (2) (European model and world model of M-850V
only)
Carrying pouch (1) (M-850V and European model of M-800V only)
Design and specifications are subject to change without notice.
East European Model
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
× 4 ×
29
⁄
in.) incl. projecting parts
8
32
MICROCASSETTE
US Model
M-850V
AEP Model
M-850V
E Model
M-800V/850V
Chinese Model
M-800V
Tourist Model
M-850V
M-730V/830V
MZ-730V-99
MZ-800V-99
TM
-CORDER
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Table of Contents
Related Manuals for Sony M-800V
Summary of Contents for Sony M-800V
- Page 1 Microcassette tape MC-30 (1) (European model and world model of M-850V only) Batteries R03 (SB) (2) (European model and world model of M-850V only) Carrying pouch (1) (M-850V and European model of M-800V only) Design and specifications are subject to change without notice. MICROCASSETTE -CORDER...
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Page 2: Table Of Contents
M-800V/850V Ver 1.1 2004.01 TABLE OF CONTENTS SERVICING NOTE 1. GENERAL ..............[How to recognize MZ-730V-99 and MZ-800V-99] 2. DISASSEMBLY 2-1. Cassette Lid Assy ···························································· 4 MZ-730V-99 2-2. Cabinet (Rear) Sub Assy, Lid, Battery Case ··················· 5 2-3. MAIN Board Section ······················································ 5 2-4. -
Page 3: General
SECTION 1 This section is extracted from instruction manual. GENERAL MIC (PLUG IN POWER) Microphone REC lamp (M-850V only) > PAUSE REC/BATT lamp (M-800V only) FAST PB (M-850V only) CUE/ REVIEW Tape counter TAPE SPEED BATT/E lamp (M-850V only) CUE MARKER (M-850V only) >... -
Page 4: Disassembly
M-800V/850V SECTION 2 DISASSEMBLY • The equipment can be removed using the following procedure. LED board, Battery hoder Cabinet (rear) sub assy, Battery case lid MAIN board section Cassette lid assy Mechanism deck (MZ-730V-99) Microphone (MIC901) Speaker (2.8cm) (SP901) Ceramic head (HRPE901,902) Note : Follow the disassembly procedure in the numerical order given. -
Page 5: Cabinet (Rear) Sub Assy, Lid, Battery Case
M-800V/850V 2-2. Cabinet (Rear) Sub Assy, Battery Case Lid 1 four screws (1.7x16) 5 cabinet (rear) sub assy 2 claw 3 claw 6 battery case lid 2-3. MAIN Board Section 6 screw (IB lock) 2 Remove the soldering (eight portions) -
Page 6: Led Board, Battery Holder
M-800V/850V Ver 1.1 2004.01 2-4. LED Board, Battery Holder MAIN board 1 Remove the soldering 7 LED board (four portions) * Cautions when assembling 6 claw battery coil spring (-) battery holder On attaching the battery coil spring (-), 5 battery holder fit it to the groove on the battery holder. -
Page 7: Speaker (2.8Cm) (Sp901)
M-800V/850V 2-6. Speaker (2.8cm) (SP901) 2 knob (DIR) 3 two screws (B2.0) 5 speaker (2.8cm) (SP901) 2-7. Microphone (MIC901) 4 microphone (MIC901) 2 claw 3 microphone case 1 claw 5 microphone cushion... -
Page 8: Ceramic Head (Hrpe901,902)
M-800V/850V Ver 1.1 2004.01 2-8. Ceramic Head (HRPE901,902) and DC Motor (M901) MZ-730V-99 7 screw (M1.4x2.5) 8 ceramic head (HRPE902) 6 screw (M1.4) 2 arm (pinch roller) assy 9 two screws (M1.4) 4 screw (M1.4) 3 screw (M1.4x2.5) 5 ceramic head (HRPE901) -
Page 9: Mechanical Adjustments
M-800V/850V 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... - Page 10 M-800V/850V 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-850V model only) Procedure: • Reform 2.4 cm/s speed adjustment before 1.2 cm/s speed...
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Page 11: Diagrams
M-800V/850V SECTION 5 DIAGRAMS 5-1. Block Diagram MAIN BOARD S101 (5/6) IC101 (2/2) POWER AMP, ALC IC101 (1/2) PRE AMP + IN A MIC901 OUT A POWER - IN J103 AMP A RV101 Q101 S101 (4/6) J102 OUT B POWER... -
Page 12: Printed Wiring Board
M-800V/850V 5-2. Printed Wiring Board 850V LED BOARD MAIN BOARD (SIDE A) MAIN BOARD (SIDE B) D402 BATTERY S401 DRY BATTERY SIZE "AAA" D403 (IEC DESIGNATION R03) MARKER 1-683-937- 2PCS. 3V 850V (11) J101 DC IN 3V 850V 1.2cm S601... -
Page 13: Schematic Diagram
M-800V/850V 5-3. Schematic Diagram • Refer page 14 for IC Block Diagrams. IC B/D IC B/D IC B/D IC B/D 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: Block Diagram
M-800V/850V 5-4. IC Block Diagrams IC101 NJM2775AM-TE2 IC601 LB1877V-TLM 14 13 REF V BIAS – LOCKING SPEED PGND PROTECT STARTUP WAVEFORM DRIVER DIR LOGIC STARTUP CURRENT RIPPLE FILTER S GND RF OUT RF IN 4 5 6 IC401 MM1251BFBE IC501... -
Page 15: Exploded Views
M-800V/850V SECTION 6 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Abbreviation number in the exploded views are not supplied. they may have some difference from the : East European model •... -
Page 16: Mechanism Deck Section (1) (Mz-730V-99)(Mz-800V-99)
M-800V/850V Ver 1.1 2004.01 6-2. Mechanism Deck Section (1) (MZ-730V-99)(MZ-800V-99) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-331-007-21 WASHER 3-321-813-61 WASHER, COTTER POLYETHYLENE 3-350-989-01 WASHER 3-028-928-06 LEVER (EJECT) 3-028-961-02 SPRING (BUTTON), COMPRESSION 3-028-964-02 SPRING (SLIDE), TORSION... -
Page 17: Mechanism Deck Section (2) (Mz-730V-99)
M-800V/850V Ver 1.1 2004.01 6-3. Mechanism Deck Section (2) (MZ-730V-99) HRPE901 M901 HRPE902 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-365-611-11 SCREW (M1.4X1.4), SPECIAL HEAD X-3376-234-3 BRACKET (R) ASSY, HEAD 3-232-536-22 SCREW (M1.4)(EG) 3-028-962-01 SPRING, TORSION... -
Page 18: Mechanism Deck Section (2) (Mz-800V-99)
M-800V/850V Ver 1.2 6-4. Mechanism Deck Section (2) (MZ-800V-99) M901 HRPE901 HRPE902 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-365-611-11 SCREW (M1.4X1.4), SPECIAL HEAD X-3376-234-3 BRACKET (R) ASSY, HEAD 3-232-536-22 SCREW (M1.4)(EG) 3-028-962-01 SPRING, TORSION... -
Page 19: Electrical Parts List
M-800V/850V SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE: • Items marked “ * ” are not stocked since • Due to standardization, replacements in • CAPACITORS uF : µF they are seldom required for routine service. the parts list may be different from the... - Page 20 M-800V/850V MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C708 1-162-964-11 CERAMIC CHIP 0.001uF R114 1-216-825-11 METAL CHIP 2.2K 1/16W (850V) R116 1-216-825-11 METAL CHIP 2.2K 1/16W C709 1-115-156-11 CERAMIC CHIP R117 1-216-829-11 METAL CHIP 4.7K...
- Page 21 M-800V/850V Ver 1.1 2004.01 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R418 1-216-841-11 METAL CHIP 1/16W R714 1-216-837-11 METAL CHIP 1/16W (850V) (850V) R419 1-216-841-11 METAL CHIP 1/16W R715 1-216-849-11 METAL CHIP 220K 1/16W...
- Page 22 M-800V/850V 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 2002.02...