Table Of Contents - Aiwa CT-R442 Service Manual

CT-R442

TABLE OF CONTENTS

1. GENERAL
................................................................... 3
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 7
2-2. Mechanical Deck Assy (CDS-363AG1-A) ..................... 8
2-3. Sub Panel Assy ................................................................ 9
2-4. MAIN Board ................................................................... 10
3. ELECTRICAL ADJUSTMENT
4. DIAGRAMS
4-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 12
4-2. Printed Wiring Board - MAIN Board - ........................ 13
4-3. Schematic Diagram - MAIN Board (1/3) - .................. 14
4-4. Schematic Diagram - MAIN Board (2/3) - .................. 15
4-5. Schematic Diagram - MAIN Board (3/3) - .................. 16
4-6. Printed Wiring Boards - KEY/AUX Boards - .............. 18
4-7. Schematic Diagram - KEY/AUX Boards - .................. 19
4-8. IC Pin Function Description ........................................... 20
4. EXPLODED VIEWS
4-1. Main Section ................................................................... 22
4-2. Front Panel Section ......................................................... 23
5. ELECTRICAL PARTS LIST
2
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
• Do not touch the soldering iron on the same conductor of the
• Be careful not to apply force on the conductor when soldering
............................ 11
............................... 24
aged by heat.
ing repairing.
circuit board (within 3 times).
or unsoldering.