Sony TCM-500DV - User Manual

SERVICE MANUAL
CASSETTE-CORDER
US Model
Canadian Model
AEP Model
E Model
Tourist Model
Model Name Using Similar Mechanism New
Tape Transport Mechanism Type MT-500-175
SPECIFICATIONS
TCM-500DV
Ver 1.2 2004. 04
Recording system
2-track 1 channel monaural
Tape speed
4.8 cm/s or 2.4 cm/s
Frequency range
350 - 6 300 Hz using nomal (TYPE I) cassette (with REC
TIME/PLAY MODE switch at “NORMAL”)
Speaker
Approx. 3.6 cm (1
7
/
16
in.) dia.
Power output
450 mW + 450 mW (at 10 % harmonic distortion)
Input
Microphone input jack (minijack)
sensitivity 0.2 mV for 3kΩ or lower impedance microphone
Output
Earphone jack (minijack) for 8 -300Ω earphone
Variable range of the tape speed
From approx. +30% to –15% (with REC TIME/PLAY
MODE switch at “NORMAL”)
Power requirements
• 3 V DC, batteries AA (R6) x 2
• External DC 3 V power sources
Dimensions (w/h/d) (incl. projecting parts and controls)
Approx. 87.6 x 113.0 x 37.1 mm
(3
1
/
2
x 4
1
/
2
x 1
1
/
2
in.)
Mass (main unit only)
Approx. 215 g (7.6 oz.)
Design and specifications are subject to change without notice.
9-877-111-03
2004D02-1
© 2004.04
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation

Summary

Servicing Notes

Flexible Circuit Board Repairing

Guidelines for repairing flexible circuit boards.

Chip Component Replacement Notes

Precautions for replacing chip components.

Disassembly Procedures

Disassembly: Cabinet Rear and Lid

Steps to disassemble the cabinet rear and lid assembly.

Disassembly: Main Board

Procedure for removing the main board.

Disassembly: Mechanism Deck

Steps to detach the mechanism deck.

Disassembly: Head, Belt, and Motor

Procedures for accessing the head, belt, and motor.

Mechanical Adjustments

Electrical Adjustments

Tape Speed Adjustment Procedure

Steps to calibrate the tape speed.

Diagrams and Schematics

Printed Wiring Board - Main Board (Side A)

Printed Wiring Board - Main Board (Side B)

Schematic Diagram - Main Board (Part 1)

Electrical schematic for the main board (first half).

Schematic Diagram - Main Board (Part 2)

Electrical schematic for the main board (second half).

IC Block Diagrams

Electrical Parts List

Sony TCM-500DV Specifications

General

Brand	Sony
Model	TCM-500DV
Recording Media	Compact Cassette
Recording System	Analog
Signal-to-Noise Ratio	50 dB
Wow and Flutter	0.25% (WRMS)
External Microphone Input	Yes
Headphone Jack	Yes
Battery Type	AA
Number of Batteries	2
Type	Cassette Player
Microphone	Built-in
Power Source	Battery
Fast Forward/Rewind Time	Approx. 90 seconds