DOWNLOAD Sony NW-A25 / NW-A25HN / NW-A26HN / NW-A27HN Service Manual ↓ Size: 2.93 MB | Pages: 44 in PDF or view online for FREE

Model
NW-A25 NW-A25HN NW-A26HN NW-A27HN
Pages
44
Size
2.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nw-a25-nw-a25hn-nw-a26hn-nw-a27hn.pdf
Date
PREV: Sony ZS-PS55B Service Manual

Sony NW-A25 / NW-A25HN / NW-A26HN / NW-A27HN Service Manual ▷ View online

NW-A25/A25HN/A26HN/A27HN
13
2-3.  BUTTON  VOL,  PANEL  FRONT  ASSY
two screw holes
hole
hole
guide line
adhesive sheet (button_VOL)
3 
screw
 (M1.4 
u 2)
3 
screw
 (M1.4 
u 2)
7 
panel front assy
– Rear view –
5 
Remove the main block in 
 
the direction of the arrow.
main block
panel front assy
4 
screw 
 (1.4 
u 5.3)
‡3DVWLQJSRVLWLRQRIWKHDGKHVLYHVKHHWEXWWRQ92/
‡+RZWRLQVWDOOWKHSDQHOIURQWDVV\
1 Peel the button VOL 
 
off of the adhesive 
 sheet 
(button_VOL).
bottom
top
hole
rib
2 button VOL
 Note 
1: When installing the button VOL,  
 
 
align the rib and hole.
4 
screw 
 (1.4 
u 5.3)
Note 2: When installing the panel front assy, 
 
align the two holes and two screw holes.
two screw holes
6 HI-RES label
‡3DVWLQJSRVLWLRQRIWKH+,5(6ODEHO
2.5 mm
2.5 mm
–
)URQWYLHZ–
NW-A25/A25HN/A26HN/A27HN
14
2-5.  SHORT-LAND  SOLDER
1 Remove the solder of short-land.
– Main block rear view –
top
short
open
‡6KRUWODQGVROGHULQJ
MAIN board
OK
NG
solder
1.2 mm
or less.
MAIN board
solder
More than
1.2 mm
solder
–6LGHYLHZ–
–6LGHYLHZ–
MAIN board
Note 1: Make sure to remove the short-land solder and open it before 
disassembling the main block.
Note 2: After assembling all parts of the main block, solder the short-
land.
2-4.  CASE  REAR  ASSY
5 
sheet FR adhesive
6 
case rear assy
case rear assy
sheet FR adhesive
– Front view –
bottom
top
‡ 3DVtinJ SoVition oI tKe VKeet F5 DGKeVive
3 
claw
4 
knob hold
1 
claw
2 
lid slot assy
guide line
top
fold
NW-A25/A25HN/A26HN/A27HN
15
2-6.  SW  BOARD
2-7.  SHEET (BOTTOM),  SHEET (N)
1 connector (CN5001)
 Note 
3: When removing the connector, 
 
 
lift up the SW board vertically.
3 Remove the SW board block
  in the direction of the arrow. 
2 Peel the SW board block off 
 
of the two adhesive sheets 
 PWB 
SW.
bottom
top
4 SW board
two adhesive sheets PWB SW
guide line
(center)
guide line
guide line
‡3DVWLQJSRVLWLRQRIDGKHVLYHVKHHW3:%6:
guide line (center)
– Main block rear view –
‡3DVWLQJSRVLWLRQRIVKHHWERWWRP
1 
sheet (bottom)
2 sheet (N)
‡3DVWLQJSRVLWLRQRIVKHHW1
bottom
top
sheet (N)
4 mm
guide line
guide line
sheet (bottom)
MAIN board
Note 1: The SW board cannot replace with single. If replace the SW 
board, be sure to replace the MAIN board simultaneously.
Note 2: When SW board and MAIN board are replaced, the data 
writing processing etc. are necessary. For details, refer to 
“ABOUT WORKING OF THE BOARD REPLACING” on 
page 5.
NW-A25/A25HN/A26HN/A27HN
16
2-8.  NFC  ANTENNA (NFC1)
– Rear view –
1 
sheet (BT)
4 
NFC antenna 
 (NFC1)
‡1)&DQWHQQD)3&VHWWLQJ
2 Unlock the connector. 
 (CN002)
3 Draw the FPC out 
 
of the connector.
‡,QVWDOODWLRQSRVLWLRQRIWKH1)&DQWHQQD
–
5LJKWYLHZ–
bottom
top
3 Lock the CN002.
1 Unlock the CN002.
2 Insert straight into 
 the 
interior.
4 sheet (BT)
guide line
BT-VOL FPC board
NFC antenna
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