Table Of Contents - Sony XR-CA800 Service Manual

XR-CA800

TABLE OF CONTENTS

1. GENERAL
Location of Controls ....................................................... 3
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 7
2-2. Mechanism Deck (MG-25G-136) ................................... 7
2-3. MAIN Board ................................................................... 8
2-4. Heat Sink (ISO2P) .......................................................... 8
3. ASSEMBLY OF MECHANISM DECK
3-1. Assembly Flow ................................................................ 9
3-2. Housing ........................................................................... 10
3-3. Arm (Suction) ................................................................. 10
3-4. Lever (LDG-A)/(LDG-B) ............................................... 11
3-5. Gear (LDG-FT) ............................................................... 11
3-6. Guide (C) ......................................................................... 12
3-7. Mounting Position of Capstan/Reel Motor (M901) ....... 12
4. MECHANICAL ADJUSTMENTS
5. ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 13
Tape Deck Section .......................................................... 13
Tuner Section .................................................................. 13
6. DIAGRAMS
6-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 14
6-2. Printed Wiring Board - MAIN Board - ........................ 15
6-3. Schematic Diagram - MAIN Board (1/3) - .................. 16
6-4. Schematic Diagram - MAIN Board (2/3) - .................. 17
6-5. Schematic Diagram - MAIN Board (3/3) - .................. 18
6-6. Printed Wiring Board - SUB Board - ........................... 19
6-7. Schematic Diagram - SUB Board - .............................. 19
6-8. Printed Wiring Board - KEY Board - ........................... 20
6-9. Schematic Diagram - KEY Board - ............................. 21
6-10. IC Pin Function Description ........................................... 24
7. EXPLODED VIEWS
7-1. General Section ............................................................... 28
7-2. Front Panel Section ......................................................... 29
7-3. Mechanism Deck Section (MG-25G-136) ..................... 30
8. 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
....................... 13
............................... 31
aged by heat.
ing repairing.
circuit board (within 3 times).
or unsoldering.