Sony m-430 Service Manual

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SERVICE MANUAL
M-430
MICROCASSETTE
TM
-CORDER
Tape
y (normal position type)
Recording system
2-track 1-channel monaural
Speaker
Approx. 3.6 cm (1 7/16 in.) dia.
Tape speed
2.4 cm/s (15/16 ips), 1.2 cm/s (15/32 ips)
Frequency range
250 - 4,000 Hz (with TAPE SPEED switch at 2.4 cm/s)
Output
Earphone jack (minijack) for 8 - 300 ohms earphone
Power output (at 10% harmonic distortion)
160 mW
Power requirements
3 V DC batteries size AA (R6) × 2/External DC 3 V power sources
Dimensions (w/h/d)
Approx. 62.2 × 121.5 × 24.3 mm (2 1/2 × 4 7/8 × 31/32 in.) incl. projecting
parts and controls
Mass
Approx. 125 g (4.5 oz.)
SPECIFICATIONS
Ver 1.0 1999. 02
Supplied accessory
Microcassette tape MC-30 (1)
Design and specifications are subject to change without notice.
MICROFILM
US Model
AEP Model
E Model
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MZ-430-99

Sony m-430 Specifications

General

Brand	Sony
Model	m-430
Category	Microcassette Recorder
Language	English

Summary

GENERAL

Recording

Instructions for operating the unit to record audio.

Playing a Tape

Instructions for operating the unit to play back recorded audio.

DISASSEMBLY

LID ASSY, CASSETTE

Procedure to disassemble the cassette lid assembly.

LID, BATTERY CASE

Procedure to disassemble the battery case lid.

CABINET (REAR) ASSY

Procedure to disassemble the rear cabinet assembly.

MAIN BOARD

Procedure to disassemble the main board.

MECHANISM DECK

Procedure to disassemble the mechanism deck.

HEAD, CERAMIC

Procedure to disassemble the ceramic head.

MECHANICAL ADJUSTMENTS

ELECTRICAL ADJUSTMENTS

Record/Playback/Erase Head Azimuth Adjustment

Procedure for adjusting the head azimuth for optimal recording quality.

Tape Speed Adjustment

Procedure for adjusting the tape speed to ensure accurate playback.

DIAGRAMS

BLOCK DIAGRAM

Schematic overview of the device's signal flow and component interactions.

PRINTED WIRING BOARD

Layout and component placement details of the main circuit board.

SCHEMATIC DIAGRAM

Detailed electrical circuit diagram for the device's components.

EXPLODED VIEWS

CABINET SECTION

Exploded view illustrating the components of the cabinet assembly.

MECHANISM DECK SECTION

Exploded view illustrating the components of the mechanism deck.

ELECTRICAL PARTS LIST