SONY WMGX100
Manual de Servicio

TABLE OF CONTENTS
Specifications ........................................................................... 1

1. GENERAL
Location and Function of Controls .................................... 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. Notes on chip component replacement � Never reuse a disconnected chip component. � Notice that the minus side of a tantalum capacitor may be damaged by heat.

2. DISASSEMBLY
2-1. Cabinet (Rear) ............................................................. 2-2. Main Board ................................................................. 2-3. Mechanism Deck ........................................................ 2-4. Motor (M901), �Head, Magnetic� (HRP901) ............ 2-5. Holder Sub ASSY, Cassette ........................................ 2-6. Setting the Pointer ...................................................... 3 4 4 5 5 6

3. ADJUSTMENTS
3-1. Mechanical Adjustments ............................................. 7 3-2. Electrical Adjustments ................................................ 7

4. DIAGRAMS
4-1. Block Diagram (1/2) ................................................... 9 4-2. Block Diagram (2/2) .................................................. 11 4-3. Printed Wiring Boards .............................................. 13 4-4. Schematic Diagram (1/2) .......................................... 15 4-5. Schematic Diagram (2/2) .......................................... 17

5. EXPLODED VIEWS
5-1. Cabinet Section ......................................................... 21 5-2. Mechanism Deck Section ......................................... 22

6. ELECTRICAL PARTS LIST ................................... 23

SECTION 1 GENERAL
LOCATION AND FUNCTION OF CONTROLS

This section is extracted from instruction manual.