Table Of Contents - Sony PRS-500 Service Manual

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PRS-500

TABLE OF CONTENTS

1.
2.
................................................................... 5
3.
3-1. Disassembly Flow ........................................................... 6
3-2. Soft Cover ........................................................................ 7
3-3. B Case Assy ..................................................................... 7
3-4. A Case Assy ..................................................................... 8
3-5. Magnet ............................................................................. 9
3-6. MAIN Board .................................................................... 9
3-7. MS FLEXIBLE Board, Chassis ...................................... 10
3-8. Ink Indicator Element Assy ............................................. 10
4.
............................................................... 11
5.
6.
6-1. Block Diagram ................................................................ 14
- MAIN, DC Board (Side A) - ........................................ 15
- MAIN, DC Board (Side B) - ........................................ 16
7.
7-1. Overall Assy Section ....................................................... 50
7-2. A Case Assy Section ........................................................ 51
8.
2
.................................................. 3
............................. 12
.................................. 52
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 °C
during 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.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
• Microsoft, Windows, Windows NT and Windows Media are trademarks or
registered trademarks of Microsoft Corporation in the United States and/or
other countries.
• Adobe and Adobe Reader are trademarks or registered trademarks of Adobe
Systems Incorporated in the United States and/or other countries.
• MPEG Layer-3 audio coding technology and patents licensed from
Fraunhofer IIS and Thomson.
CAUTION
Danger of explosion if battery is incorrectly replaced. Replace
only with the same or equivalent type.

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