Read Sony ICF-C411 Service Manual online
2
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 PUBLISHED BY SONY.
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 PUBLISHED BY SONY.
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
ICF-C411
TABLE OF CONTENTS
1. SERVICING NOTES
1-1. Cord Dressing (Power Cord) ............................................... 3
1-2. Pointer Alignment ............................................................... 3
1-2. Pointer Alignment ............................................................... 3
2. GENERAL
............................................................................ 4
3. DISASSEMBLY
3-1. Cabinet (Upper) Section ...................................................... 5
3-2. Main Board ......................................................................... 6
3-3. Key Board, LED Board ....................................................... 6
3-2. Main Board ......................................................................... 6
3-3. Key Board, LED Board ....................................................... 6
4. ELECTRICAL ADJUSTMENTS
................................... 7
5. DIAGRAMS
5-1. Circuit Boards Location ...................................................... 9
5-2. Block Diagram .................................................................. 10
5-3. Printed Wiring Boards – Main, Power Section – .............. 11
5-4. Printed Wiring Boards – Key, LED Section – ................... 12
5-5. Schematic Diagram ........................................................... 13
5-2. Block Diagram .................................................................. 10
5-3. Printed Wiring Boards – Main, Power Section – .............. 11
5-4. Printed Wiring Boards – Key, LED Section – ................... 12
5-5. Schematic Diagram ........................................................... 13
6. EXPLODED VIEWS
6-1. Cabinet (Upper) Section .................................................... 14
6-2. Chassis Section ................................................................. 15
6-3. Cabinet (Lower) Section ................................................... 16
6-2. Chassis Section ................................................................. 15
6-3. Cabinet (Lower) Section ................................................... 16
7. ELECTRICAL PARTS LIST
......................................... 17
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