Sony NWZ-E473 / NWZ-E473K / NWZ-E474 / NWZ-E474K / NWZ-E475 Service Manual ▷ View online
NWZ-E473/E473K/E474/E474K/E475
9
2-3. PANEL (REAR) BLOCK
JIG
When disassembling the set, use the following jig.
Part No.
Description
9-913-402-33 Tool for Disassembly
1
two screws (M1.4)
2
two screws (M1.4)
panel (rear) block
panel (rear) block
cabinet front block
cabinet front block
Right side:
5
six claws
7
panel (rear) block
6
Remove the cabinet front block
in the direction of an arrow.
cabinet front block
3
Insert the jig in the gap between cabinet
front block and panel (rear) block.
Then slide it to arrow direction to remove
claws of panel (rear) block.
4
Insert the jig in the gap between cabinet
front block and panel (rear) block.
Then slide it to arrow direction to remove
claws of panel (rear) block.
Left side:
support (hold)
switch
Note: When installing panel (rear) assy
block, the position of switch and
support (hold) is set and installed.
– Rear bottom side view –
– Front bottom side view –
NWZ-E473/E473K/E474/E474K/E475
10
2-5. OPEN THE SHORT-LAND
Note 1: This illustration sees the mechanical commonness block from LCD assy side.
Note 2: Make sure to remove one solder to become an open state before disassembling the mechanical common block.
Note 3: Solder the short-land after all wirings are connected when you exchanged some mounted board.
Note 2: Make sure to remove one solder to become an open state before disassembling the mechanical common block.
Note 3: Solder the short-land after all wirings are connected when you exchanged some mounted board.
2-4. CABINET FRONT BLOCK
2
screw (M1.4)
2
screw (M1.4)
1
screw
(P1.4
u 2.5)
1
screw
(P1.4
u 2.5)
3
claw
6
cabinet front block
5
four claws
OK
– Rear bottom side view –
4
Remove the common block
in the direction of an arrow.
common block
Note: When installing the cabinet front block, check that
this portion has not broken and having fitted in.
NG
1 Remove the solder of short-land.
– Front side view –
NWZ-E473/E473K/E474/E474K/E475
11
2-6. EMMC BOARD
Note 1: When EMMC board is replaced, some processing are necessary.
For details, refer to “NOTE THE BOARDS REPLACING” on page 5.
2-7. ESCUTCHEON
EMMC board
VOL FPC assy (VOF1)
guide line
3DVWLQJSRVLWLRQRIFXVKLRQ1$1'
cushion
(NAND)
(NAND)
–5HDUERWWRPVLGHYLHZ–
2 connector
Note
2: Lift vertically the EMMC board
when you remove the connector.
1 cushion (NAND)
4 spacer (NAND)
5 EMMC board
3 Remove the EMMC board in
the direction of an arrow.
3 claw
1 gusket
2 claw
4 escutcheon
– Rear bottom side view –
NWZ-E473/E473K/E474/E474K/E475
12
2-8. VOL FPC ASSY (VOF1)
5
VOL flexible board (CN2101)
6
VOL FPC assy
(VOF1)
2
sheet (FPC)
rib
hole
rib
battery assy (BAT1)
sheet (FPC)
2
sheet (FPC)
3
Peel off the adhesive shhet.
4
sheet (BT)
MOTHER board
3DVWLQJSRVLWLRQRIVKHHW)3&
3DVWLQJSRVLWLRQRIVKHHW%7
3DVWLQJSRVLWLRQRIVKHHW)3&
sheet (FPC)
Insert is straight to the interior.
Insert is incline.
NG
OK
NG
OK
NG
OK
1
cushion (NAND)
EMMC board
VOL FPC assy (VOF1)
VOL FPC assy (VOF1)
VOL FPC assy (VOF1)
guide line
guide
line
line
guide line
sheet (BT)
sheet (BT)
Cover chassis
No cover chassis
guide line
3DVWLQJSRVLWLRQRIFXVKLRQN$N'
cushion
(NAND)
(NAND)
–5HDUERWWRPVLGHYLHZ–
–)URQWERWWRPVLGHYLHZ–
hole
VOL FPC assy (VOF1) is attached surely.
VOL FPC assy (VOF1) is floating.
Note 2: When you install the VOL flexible board, please install them correctly.
There is a possibility that this machine damages when not correctly installing it.
Note 1: When installing the VOL FPC
assy (VOF1), match two holes
and two ribs.
Press and paste firmly.
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