NW-HD5 — Sony Audio Service Manual (repair manual)

Model
NW-HD5
Pages
51
Size
2.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nw-hd5.pdf
Date

View Sony NW-HD5 Service Manual online

SERVICE MANUAL
PORTABLE HARD DISK AUDIO PLAYER
US Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
SPECIFICATIONS
NW-HD5
Ver. 1.4  2005.09
9-879-662-05
2005I05-1
© 2005.09
Sony Corporation
Connect Company
Published by Sony Engineering Corporation
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NW-HD5
TABLE  OF  CONTENTS
1.
SERVICING  NOTES
...............................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
5
3-2.
Battery Case Lid ..............................................................
6
3-3.
Cabinet (Main) Block Assy .............................................
6
3-4.
Cabinet (Upper) Block Assy ............................................
7
3-5.
HDD Unit ........................................................................
7
3-6.
MAIN Board Section .......................................................
8
3-7.
MAIN Board ....................................................................
8
3-8.
Position of Ferrite Core ...................................................
9
4.
TEST  MODE
.............................................................. 10
5.
DIAGRAMS
5-1.
Block Diagram – MAIN Section (1/2) – ......................... 18
5-2.
Block Diagram – MAIN Section (2/2) – ......................... 19
5-3.
Block Diagram – KEY/POWER SUPPLY Section – ...... 20
5-4.
Printed Wiring Board
– MAIN Board (Component Side) – ............................... 22
5-5.
Printed Wiring Board
– MAIN Board (Conductor Side) – ................................. 23
5-6.
Schematic Diagram – MAIN Board (1/7) – .................... 24
5-7.
Schematic Diagram – MAIN Board (2/7) – .................... 25
5-8.
Schematic Diagram – MAIN Board (3/7) – .................... 26
5-9.
Schematic Diagram – MAIN Board (4/7) – .................... 27
5-10. Schematic Diagram – MAIN Board (5/7) – .................... 28
5-11. Schematic Diagram – MAIN Board (6/7) – .................... 29
5-12. Schematic Diagram – MAIN Board (7/7) – .................... 30
5-13. Printed Wiring Board – HDD Board – ............................ 31
5-14. Schematic Diagram – HDD Board – ............................... 31
6.
EXPLODED  VIEW
6-1.
Overall Section ................................................................ 44
6-2.
Main Section .................................................................... 45
7.
ELECTRICAL  PARTS  LIST
................................ 46
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.
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.
SAFETY-RELATED  COMPONENT  WARNING!!
COMPONENTS  IDENTIFIED  BY  MARK  0  OR  DOTTED  LINE
WITH  MARK  
0  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS  WHOSE
PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  MANUAL  OR
IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
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NW-HD5
SECTION  1
SERVICING  NOTES
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 viscous (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.
• Replacement of CXR704060-201GA (IC1003),
S1R72003BOOA100 (IC2001), CXR710160-213GH
(IC3001), CXD1616GH (IC7001), MT48H8M16LFB4-10
(IC7002) and SC901584EPR2 (IC9003) used in this set
requires a special tool.
• When IC1101 and IC1102 (IC1102 is mounted only E, Taiwan,
Korean, Chinese and Tourist models) on the MAIN board are
damaged, exchange the new MAIN board for the MAIN board
which IC damaged.
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SECTION  2
GENERAL
This section is extracted from
instruction manual.
Page of 51

Download Sony NW-HD5 Service Manual (Repair Manual)

Here you can view online or download Sony NW-HD5 Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sony NW-HD5 Audio. Information contained in Sony NW-HD5 service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).