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Extracted text from sony icf 403 l service manual (Ocr-read)
Page 1
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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
Page 2
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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