Sony M-200-MC Service manual
M-200MC
Tape
(normal position type)
Recording system
2-track 1-channel monaural
Speaker
Approx. 2.8 cm (1
1
⁄8 in.) dia.
Tape speed
2.4 cm/s (
15
⁄16 ips), 1.2 cm/s (15⁄32 ips)
Frequency range
300 - 4 000 Hz (with TAPE SPEED switch at 2.4 cm)
Output
Earphone jack (minijack) for 8 – 300 Ω earphone
Power output (at 10% harmonic distortion)
250 mW
Power requirements
3 V DC, two R03 (size AAA) batteries/External DC 3V power sources
Dimensions (w/h/d)
Approx. 27.8 × 127 × 69 mm (1
1
⁄8 × 5 × 23⁄4 in.) incl. projecting parts and
controls
Mass
Approx. 140 g (5 oz) (main unit only)
Design and specifications are subject to change without notice.
SERVICE MANUAL
Ver 1.1 2002. 01
SPECIFICATIONS
US Model
Canadian Model
AEP Model
E Model
Chinese Model
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MZ-200MC-99
9-873-133-12
2002A1600-1
© 2002.1
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
MICROCASSETTE
-CORDER
TM
M-200MC
TABLE OF CONTENTS
1. GENERAL ·········································································· 3
2. DISASSEMBLY ································································ 4
2-1. Lid Assy, Cassette ································································· 4
2-2. Lid Assy, Battery Case·························································· 4
2-3. Cabinet (Rear) Assy ······························································ 5
2-4. Main Board ··········································································· 5
2-5. Microphone, Built-in C-2038 set ·········································· 6
2-6. Speaker, LED Board ····························································· 6
2-7. Mechanism Deck ·································································· 7
2-8. Head, Ceramic (HRPE901, 902) ···········································7
3. MECHANICAL ADJUSTMENTS ······························· 8
4. ELECTRICAL ADJUSTMENTS ································· 8
5. DIAGRAMS········································································ 9
5-1. Block Diagram ···································································· 10
5-2. Printed Wiring Board ·························································· 11
5-3. Schematic Diagram ····························································· 12
6. EXPLODED VIEWS ······················································ 13
6-1. Cabinet Section ··································································· 13
6-2. Mechanism Deck (1) ··························································· 15
6-3. Mechanism Deck (2) ··························································· 16
7. ELECTRICAL PARTS LIST······································· 17
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
2
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 on the conductor when soldering
or unsoldering.
SECTION 1
GENERAL
M-200MC
This section is extracted
from instruction manual.
Microphone
Micrófono
Microphone
EAR MIC MODE
z
REC lamp
Lámpara REC
Voyant
d’enregistrement
(REC)
xt
DIR
nNnN
TAPE
COUNTER
CUE
MARKER
TAPE
SPEED
FF/CUE·
REW/REVIEW
PAUSE
VOR
3
M-200MC
)
SECTION 2
DISASSEMBLY
• The equipment can be removed using the following procedure.
Set Lid assy, cassette
Lid assy, battery case
Note : Follow the disassembly procedure in the n umerical order given.
Cabinet (rear)
assy
Main board
2-1. LID ASSY, CASSETTE
Lid assy, cassette
3
2
Microphone,
built-in C-2038 set
4
Speaker,
LED board
Mechanism
deck
Head, ceramic
(HRPE901,902
2-2. LID ASSY, BATTERY CASE
Tx
(Eject/Stop) button
3
1
Lid assy, Battery case
2
1
4
2-3. CABINET (REAR) ASSY
Note : When installing, fit the knobs and switches .
2
Claws
1
Five screws
(1.7
×
16)
3
Cabinet
(rear) assy
M-200MC
4
Knob (PAUSE)
2-4. MAIN BOARD
1
2
Unsolder the 2 places.
3
Unsolder the 5 places.
Lever (M SW), selection
7
Screw (1.7 × 16)
8
Two screws (M1.4 × 4.5)
4
Unsolder the 8 places.
9
5
Unsolder the 4 places.
Main board
6
Unsolder the 5 places.
5
M-200MC
2-5. MICROPHONE, BUILT-IN C-2038 SET
3
Three screws (M1.4)
4
1
Microphone case (Lower)
2
6
Microphone, built-in C-2038 set
5
Case (front), microphone
2-6. SPEAKER, LED BOARD
1
Cabinet (Front) assy
3
LED board
2
Screw (M1.4 × 4.5)
6
Cam (MM)
4
(B2
5
Speaker
T wo screws
×
2.5)
6
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