Read Sony ICF-C490 / ICF-CD863 / ICF-CD863L Service Manual online
2
ICF-C490
TABLE OF CONTENTS
1.
GENERAL
..................................................................
3
2.
DISASSEMBLY
2-1. Disassembly Flow ...........................................................
4
2-2. Cabinet (Upper) Assy ......................................................
4
2-3. MAIN Board ...................................................................
5
3.
ELECTRICAL ADJUSTMENTS
........................
6
4.
DIAGRAMS
4-1. Block Diagram ...............................................................
8
4-2. Note for Printed Wiring Boards and
Schematic Diagram .........................................................
9
4-3. Printed Wiring Boards .................................................... 10
4-4. Schematic Diagram ........................................................ 11
4-4. Schematic Diagram ........................................................ 11
5.
EXPLODED VIEWS
5-1. Cabinet Section ............................................................... 12
5-2. Chassis Section ............................................................... 12
5-2. Chassis Section ............................................................... 12
6.
ELECTRICAL PARTS LIST
.............................. 13
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED
LINE WITH MARK
0
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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