XR-CA430X - Sony Car Audio Service Manual (repair manual). Page 2

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2
XR-CA430X
TABLE  OF  CONTENTS
1.
GENERAL
Location of Controls .......................................................
3
Setting the clock ..............................................................
3
Installation/Connections .................................................
4
2.
DISASSEMBLY
2-1. Disassembly Flow ...........................................................
8
2-2. Cover ...............................................................................
8
2-3. Mechanism Deck (MG-25F-136) ...................................
9
2-4. MAIN Board ...................................................................
9
2-5. Heat Sink ......................................................................... 10
3.
ASSEMBLY  OF  MECHANISM  DECK
3-1. Assembly Flow ................................................................ 11
3-2. Housing ........................................................................... 12
3-3. Arm (Suction) ................................................................. 12
3-4. Lever (LDG-A)/(LDG-B) ............................................... 13
3-5. Gear (LDG-FT) ............................................................... 13
3-6. Guide (C) ......................................................................... 14
3-7. Mounting Position of Capstan/Reel Motor (M901) ....... 14
4.
MECHANICAL  ADJUSTMENTS
....................... 15
5.
ELECTRICAL  ADJUSTMENTS
Tape Deck Section .......................................................... 15
Tuner Section .................................................................. 15
6.
DIAGRAMS
6-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 15
6-2. Printed Wiring Board – MAIN Board – ......................... 16
6-3. Schematic Diagram – MAIN Board (1/3) – ................... 17
6-4. Schematic Diagram – MAIN Board (2/3) – ................... 18
6-5. Schematic Diagram – MAIN Board (3/3) – ................... 19
6-6. Printed Wiring Board – KEY Board – ............................ 20
6-7. Schematic Diagram – KEY Board – .............................. 21
6-8. IC Pin Function Description ........................................... 24
7.
EXPLODED  VIEWS
7-1. Chassis Section ............................................................... 27
7-2. Front Panel Section ......................................................... 28
7-3. Main Board Section ........................................................ 29
7-4. Mechanism Deck Section (MG-25F-136) ...................... 30
8.
ELECTRICAL  PARTS  LIST
............................... 31
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.
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