Table Of Contents; Servicing Notes - Sony XR-CA665EE Service Manual

XR-CA665EE

TABLE OF CONTENTS

SERVICING NOTES
1. GENERAL
Location of Controls ....................................................... 3
Setting the Clock ............................................................. 3
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 7
2-2. Sub Panel Section ............................................................ 7
2-3. Mechanism Deck (MG-25L-136) ................................... 8
2-4. MAIN Board ................................................................... 8
3. ASSEMBLY
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
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 - DISPLAY Board - ................... 20
6-9. Schematic Diagram - DISPLAY Board - ...................... 21
6-10. IC Pin Function Description ........................................... 23
7. EXPLODED VIEWS
7-1. Chassis Section ............................................................... 26
7-2. Front Panel Section ......................................................... 27
7-3. Mechanism Deck Section (MG-25L-136) ...................... 28
8. ELECTRICAL PARTS LIST
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.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing 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.
2
............................................... 2
....................... 13
............................... 29

SERVICING NOTES

SERVICE POSITION
In checking the key board and main board, prepare two jigs (con-
nection cable J-2502-066-2 and
connection cable for F/P to main J-2502-071-1).
main board
sub board
(CN801)
sub panel
assy
display board
(CN901)
main board (CN351)
mechanism deck
connect jig
(connection cable J-2502-066-2)
to the main board (CN351) and
mechanism deck.
connect jig
(connection cable
for F/P to main J-2502-071-1)
to the display board (CN901) and
sub board (CN801).