Sony wm eq 2 service manual

Page 1

WM-EQZ

SERVICE MANUAL Tour/st Model

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type MF-YPESZO-t 14
SPECIFICATIONS
Track system Compact cassette stereo
Frequency response
40-15.000Hz
Output Headphones jack

Load impedance 8- 3000th
Power output 5mW+5mW at DC operation
Power requirements
3V DC
DC 3V, 2 R6 (size AA) batteries
Batter life (Approx. hours)
Sony R6
Playback approx. 5h
Sony alkaline LR6
Playback approx. 20h
Dimensions Approx. 131 X 97.5 X 40.1mm (w/h/d)
Weight Approx. 155g (Main unit)
Approx. 245; (incl. headphones with Sony
R6 X 2, Tape (0601-1))

Design and specifications subject to change without notes.

CASSETTEPLAYER
SONY.

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TABLE OF CONTENTS

Specifications ............................................................... 1
1. GENERAL
Location and Function of controls ----------------------------- 3

2. DISASSEMBLY
Z-li Case and Main Board Removal-

3. ADJUSTMENTS
3-1. Mechanical Adjustments
3-2i Electrical Adjustments '-

4. DIAGRAMS
4-li Printed Wiring Boards
4-2 Schematic Diagram

5. EXPLODED VIEWS
5-1. Cabinet Section ~~~~~~
5-2l Mechanism Section

~13

s. ELECTRICAL PARTS LIST ----------------------------------- 14

Flexible Circuit Board Repairing

0 Keep the temperature of the soldering iron around
270°C during repairing.

I Do not touch the soldering iron on the same conduc~
tor of the circuit board (within 3 times).

0 Be careful not to apply force on the conductor when
soldering or unsoldering.

Notes on chip component replacement

0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor
may be damaged by heat.