Sony NWZ-WH303 Service Manual ▷ View online
NWZ-WH303/WH505
7
SECTION 2
DISASSEMBLY
•
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
SET
2-2. EAR
PAD
(Page
8)
2-3. FRONT PLATE BLOCK (L-CH)
(Page
(Page
8)
2-5. FRONT PLATE ASSY (DR1) (L-CH)
(Page
(Page
10)
2-6. KNOB (SH), KNOB (POWER) (L-CH)
(Page
(Page
11)
2-7. MAIN BOARD (L-CH)
(Page
(Page
12)
2-13. SUB BOARD (R-CH)
(Page
(Page
16)
2-8. BATTERY ASSY (BAT1) (L-CH)
(Page
(Page
13)
2-9. ORNAMENT (TOP) L BLOCK (L-CH)
(Page
(Page
13)
2-11. FRONT PLATE ASSY (DR2) (R-CH)
(Page
(Page
15)
2-10. BATTERY ASSY (BAT1) (L-CH)
(Page
(Page
14)
2-4. INNER HOUSING (L),
OPEN THE SHORT-LAND (L-CH)
(Page
9)
2-12. INNER HOUSING (R) (R-CH)
(Page
(Page
16)
(NWZ-WH303)
(NWZ-WH505)
NWZ-WH303/WH505
8
Note: Follow the disassembly procedure in the numerical order given.
2-2. EAR PAD
Note 1: Ear pads are supplied in L-ch and R-ch pair.
When replacing the ear pad, replace L-ch and R-ch at the same time.
Note 2: L-ch and R-ch can be similarly disassembled.
–
L-ch
–
1 ear pad
Note
3: When installing the ear pad, inserted the ear pad into
the groove around the housing and align the shape.
groove
2-3. FRONT PLATE BLOCK (L-CH)
–
L-ch
–
:LUH VHWWLQJ
1 three tapping screws
(P
B2.6)
rib
2 front plate block
Note
2: When installing the front plate block,
align two ribs and two grooves.
front plate block
Note 1: There is a need to remove the solder of the short-land on the MAIN board before to the disassembling.
Do not remove the solder of wire before removing the solder of the short-land on the MAIN board.
groove
groove
groove
groove
rib
NWZ-WH303/WH505
9
2-4. INNER HOUSING (L), OPEN THE SHORT-LAND (L-CH)
–
L-ch
–
1 four screws
2 inner housing (L)
3 Remove the solder of short-land.
MAIN board
Note 1: Make sure to remove one solder to become an open
state before disassembling the electrical parts.
Note 2: Solder the short-land after all wirings are connected
when you exchanged some mounted board.
NWZ-WH303/WH505
10
2-5. FRONT PLATE ASSY (DR1) (L-CH)
–
L-ch
–
front plate assy
(DR1)
(DR1)
driver
:LUH VHWWLQJ
2 Remove the solder.
1 Check that the short-land is shorted.
3 Remove the solder.
4 front plate assy (DR1) (L-ch)
marking
Note 2: Marking on the driver shows “+” side.
Note 3: The position of marking has a possibility
Note 2: Marking on the driver shows “+” side.
Note 3: The position of marking has a possibility
of having been changed.
[red/green]
Note 1: Must to soldered this
Note 1: Must to soldered this
wire to the "+" side
of the driver.
[green/natural]
1:=-:+
front plate assy
(DR1)
(DR1)
driver
1:=-:+
marking
Note 2: Marking on the driver shows “+” side.
Note 3: The position of marking has a possibility
Note 2: Marking on the driver shows “+” side.
Note 3: The position of marking has a possibility
of having been changed.
[red/green]
Note 1: Must to soldered this
Note 1: Must to soldered this
wire to the "+" side
of the driver.
[green/natural]
HP wire (L) (WR1)
HP wire (L) (WR1)
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