Sony icf 403 s service manual

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Ð 2 Ð Specifications ........................................................................... 1 1. GENERAL Location and Function of Controls .................................... 2 2. DISASSEMBLY 2-1. Cabinet (Rear) ............................................................. 3 2-2. Cabinet (Front) ........................................................... 3 2-3. Main Board, Chassis ................................................... 4 3. DIAL POINTER INSTALLATION ........................... 5 4. ELECTRICAL ADJUSTMENTS ............................. 6 5. DIAGRAMS 5-1. Printed Wiring Boards ................................................ 7 5-2. Schematic Diagram ..................................................... 9 6. EXPLODED VIEWS ................................................... 11 7. ELECTRICAL PARTS LIST ................................... 13Flexible 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 dam- aged by heat. TABLE OF CONTENTS SECTION 1 GENERAL Earphone jack (@) DC IN 4.5V LOCATION AND FUNCTION OF CONTROLS

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Ð 3 Ð SECTION 2 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (REAR) 2-2. CABINET (FRONT) r The equipment can be removed using the following procedure. Cabinet (Front) Cabinet (Rear) Set Main board, Chassis 1 Screw +P 2.6x8 Cabinet (front ) Black (-�) Brown (+) Chassis Main board 2 Remove solder 3 Black (-�)Brown (+) 1 Screws +BTP 3x12 4 Screw +P 2.6x8 3 Lug, 3 Cabinet (rear) Cabinet (front) 2 Claws 1 Screws +BTP 3x12