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SERVICE MANUAL
Ver 1.0 1999. 03
Tape
y (normal position type)
Recording system
2-track 1 channel monaural
Frequency range
400 - 3,000 Hz (2.4 cm/s)
Speaker
Approx. 2.8 cm (1
in.) dia.
1/8
Power output
250 mW
Input
Microphone input jack (minijack/plug in power) sensitivity
0.37 mV for 3 kilohms or lower impedance microphone
Output
Earphone jack (minijack) for 8 - 300 ohms earphone
Power requirements
3 V DC batteries R03 (size AAA) × 2/External DC 3 V power
sources
Battery life (Approximate hours)
Battery
Sony alkaline LR03 (SG)
Sony R03 (SB)
* Measured value by the standard of EIAJ (Electronic Industries
Association of Japan). (Using a Sony Microcassette tape)
For maximum performance, we recommend that you use
MICROFILM
SPECIFICATIONS
(EIAJ*)
Recording
9.5
3.5
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
alkaline batteries.
Dimensions (w/h/d) (incl. projecting parts and controls)
Approx. 60.5 × 93.9 × 26.0 mm (2
Mass
Approx. 130 g (4.6 oz
)
.
Supplied accessories
Remote control microphone ECM-J805 (1)
Microcassette tape MC-30 (1)
Earphone MDR-E123 (1)
Carrying case (1)
Hand strap (1)
Batteries R03 (SB) (2) (Tourist model only)
Design and specifications are subject to change without notice.
MICROCASSETTE
– 1 –
M-98V
US Model
Canadian Model
AEP Model
E Model
Tourist Model
NEW
MZ-98-100
× 3
× 1
in.)
1/2
3/4
11/16
TM
-CORDER
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Table of Contents
Related Manuals for Sony M-98V
Summary of Contents for Sony M-98V
- Page 1 Battery Recording Sony alkaline LR03 (SG) Sony R03 (SB) * Measured value by the standard of EIAJ (Electronic Industries Association of Japan). (Using a Sony Microcassette tape) For maximum performance, we recommend that you use MICROCASSETTE -CORDER MICROFILM – 1 –...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. SERVICE NOTE ............2. GENERAL ..............3. DISASSEMBLY 3-1. Panel (Rear) Assy ..............5 3-2. Panel (Lid) Assy ..............5 3-3. MD Block Assy ..............6 3-4. Main board, complete ............6 3-5. Frame .................. 7 3-6. -
Page 3: Service Note
SECTION 1 SERVICE NOTE This set uses the photo reflector PH701 to detect the rotation of the gear. PH701 is on the main board and so removal of the main board does not allow the set to detect the rotation of the gear. This makes motor control impossible which prevents normal operation. When repairing the set as energized with the main board removed, proceed as follows: •... -
Page 4: General
SECTION 2 GENERAL This section is extracted from instruction manual. – 4 –... -
Page 5: Disassembly
SECTION 3 DISASSEMBLY Note : This set can be disassemble according to the following sequence. Panel (rear) Panel (lid) MD block Main board, Frame Mode motor assy assy assy complete block Note : Follow the disassembly procedure in the numerical order given. 3-1. -
Page 6: Md Block Assy
3-3. MD BLOCK ASSY • When installing the MD block assy, position the knobs with the switches. • When installing the microphone cabinet assy, align the knobs with the spring and switches. 1 screw (B1.7x4), tapping switches spring switch 2 MD block assy knobs (REC PAUSE/REC) switches... -
Page 7: Frame
3-5. FRAME • Be careful not to damage the flexible board. • Remove from a to b to c. 4 screw 7 frame 3 screw 6 flexible board (head, magnetic) 5 absorbent, acoustic, reflection 1 screw (1.7x4), tapping (B) 2 cover (HD) 3-6. -
Page 8: Mechanical Adjustments
SECTION 4 SECTION 5 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION Standard Input Level 1. Before adjusting, clean the following parts with a piece of Input terminal MIC (PLUG IN POWER) jack cotton moistened with alcohol. 300 Ω Source impedance record/playback/erase head pinch roller Input level 0.77 mV (–60 dB) - Page 9 Tape Speed Adjustment Procedure : After adjusting the 2.4cm/s speed, adjust the 1.2cm/s speed. – FWD/REV playback – digital frequency counter test tape WS-24 0000 (3 kHz, –10 dB) 10 k Ω EAR jack (J102) 1. Tape Speed : 2.4cm/s/FWD Playback WS-24 (tape center part) and adjust RV601 so that reading on the digital frequency counter becomes 3,000 Hz.
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Page 10: Diagrams
SECTION 6 DIAGRAMS 6-1. IC PIN DESCRIPTION • IC701 MB89133LPFV-G-488BND (SYSTEM CONTROL) Pin No. Pin Name Pin Description AVCC — Power supply pin. (+3 V) Reset signal input/output. Reset signal input: “L”, Software reset signal output: “L” MOD 0 — Not used. -
Page 11: Block Diagram
M-98V Pin No. Pin Name Pin Description 6-2. BLOCK DIAGRAM TAPE COND Tape detect signal input. “H”: With tape and microcomputer start-up at H edge input. HOLD COND Hold detect signal input. “L”: Hold on S103 LCD driver chip select signal output. “H”: Data transfer J101 V•O•R... -
Page 12: Printed Wiring Board
M-98V 6-3. PRINTED WIRING BOARD • Semiconductor Location Ref. No. Location D101 D701 D801 G-19 D901 H-11 IC101 E-14 IC102 G-14 IC601 E-19 IC701 G-16 IC702 G-18 IC801 H-19 IC802 G-19 PH701 F-15 Q101 Q102 Q103 Q104 Q105 Q106 Q107... -
Page 13: Schematic Diagram
M-98V 6-4. SCHEMATIC DIAGRAM • Refer to page 20 for IC Block Diagrams. • Waveforms (PB mode) 1.5Vp-p 4MHz IC701 0.44Vp-p 20µsec IC802 Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. -
Page 14: Exploded Views
M-98V SECTION 7 EXPLODED VIEWS • IC Block Diagrams NOTE: • The mechanical parts with no reference • -XX and -X mean standardized parts, so • Accessories and packing materials are number in the exploded views are not supplied. they may have some difference from the given in the last of this parts list. -
Page 15: Main Board Section
7-2. MAIN BOARD SECTION SP901 not supplied MZ-98-100 MIC901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-033-873-01 KNOB (F.PB) (BLACK) 3-033-870-01 SPRING (REC), LEAF 3-033-873-11 KNOB (F.PB) (GRAY) 3-033-869-01 BUTTON (REC) X-3376-993-1 PANEL (FRONT) ASSY 3-033-868-01 KNOB (REC) 7-624-102-04 STOP RING 1.5, TYPE -E 3-033-875-01 LID, BATTERY CASE... - Page 16 7-3. MECHANISM SECTION (1) (MZ-98-100) not supplied HRPE901 M902 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-331-036-01 WASHER X-3377-458-1 ARM (N) ASSY, HEAD X-3376-302-1 PINCH LEVER (B) ASSY 3-007-252-01 SPRING (LOCK PLATE), TENSION 3-348-160-01 SCREW (M1.4X1.3), PRECISION PAN 3-007-259-01 SCREW (M1.4) 3-007-234-11 COVER, MD 3-378-616-01 WASHER...
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Page 17: Mechanism Section (1)
7-4. MECHANISM SECTION (2) (MZ-98-100) M901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-007-247-01 SPRING (E ARM B), TENSION * 167 X-3377-409-1 ARM ASSY, LIMITER 3-378-616-01 WASHER 3-338-625-51 SCREW, PRECISION WASHER HEAD * 153 X-3372-816-1 ARM (B) ASSY, EJECT 3-014-475-01 SHEET (MOTOR) 3-371-407-01 WASHER (P) 3-007-250-01 SPRING (PRESS ARM), TENSION... -
Page 18: Electrical Parts List
SECTION 8 DETECTION MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since When indicating parts by reference the parts list may be different from the they are seldom required for routine service. number, please include the board. - Page 19 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C615 1-119-749-11 TANTAL. CHIP 33uF < TRANSISTOR > C701 1-164-943-11 CERAMIC CHIP 0.01uF C702 1-164-943-11 CERAMIC CHIP 0.01uF Q101 8-729-429-74 TRANSISTOR 2SC3929 C703 1-104-847-11 TANTAL. CHIP 22uF Q102 8-729-420-24 TRANSISTOR 2SB1218A-QRS C704...
- Page 20 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R102 1-218-977-11 RES,CHIP 100K 1/16W R157 1-218-961-11 RES,CHIP 4.7K 1/16W R103 1-218-969-11 RES,CHIP 1/16W R158 1-218-977-11 RES,CHIP 100K 1/16W R104 1-218-969-11 RES,CHIP 1/16W R159 1-218-973-11 RES,CHIP 1/16W R105 1-218-957-11 RES,CHIP 2.2K...
- Page 21 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R719 1-218-989-11 RES,CHIP 1/16W ACCESSORIES & PACKING MATERIALS R720 1-218-989-11 RES,CHIP 1/16W ******************************** R721 1-218-989-11 RES,CHIP 1/16W R722 1-218-989-11 RES,CHIP 1/16W 1-542-268-12 MICROPHONE, ELECTRET CONDENSER R724 1-218-989-11 RES,CHIP 1/16W (ECM-J805) 3-033-886-01 CASE, CARRYING...
- Page 22 M-98V Sony Corporation 99C0485-1 Printed in Japan C1999. 3 9-926-967-11 Personal A&V Products Company Published by Quality Engineering Dept. – 30 – (Shinagawa)
- Page 24 M-98V 1. PRINTED WIRING BOARD • Semiconductor Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location D101 IC701 G-16 Q104 Q115 E-15 Q125 Q607 D-19 Q702 H-15...
- Page 25 M-98V 2. SCHEMATIC DIAGRAM • Waveforms (PB mode) 1.5Vp-p 4MHz IC701 0.44Vp-p 20µsec IC802 Note: • 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 W or less unless otherwise specified.
- Page 29 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R109 1-218-953-11 RES,CHIP 1/16W R165 1-216-797-11 METAL CHIP 1/16W R110 1-218-961-11 RES,CHIP 4.7K 1/16W R167 1-218-969-11 RES,CHIP 1/16W R111 1-218-953-11 RES,CHIP 1/16W R168 1-218-969-11 RES,CHIP 1/16W R112 1-218-953-11 RES,CHIP 1/16W R169...
- Page 30 M-98V MAIN Ref. No. Part No. Description Remark R726 1-208-947-11 METAL CHIP 330K 0.50% 1/16W R727 1-208-947-11 METAL CHIP 330K 0.50% 1/16W R728 1-208-935-11 METAL CHIP 100K 0.50% 1/16W R729 1-208-935-11 METAL CHIP 100K 0.50% 1/16W R730 1-208-699-11 METAL CHIP 4.7K...