Sony ICD-PX440 (serv.man2) Service Manual ▷ View online
ICD-PX440
6
Note:
Follow the disassembly procedure in the numerical order given.
2-2. ORNAMENT
(MIC)
9
Insert a jig into the space opened between the case (front) and
the ornament (MIC) and remove the ornament (MIC) straight in
the direction of the arrow.
the direction of the arrow.
The case (rear) assy should
be visible through this slit.
be visible through this slit.
Only the mesh (MIC) should
be visible through this slit.
be visible through this slit.
The microphone electret cap
should be visible through this slit.
should be visible through this slit.
OK
NG
Note 5: When installing the ornament (MIC), confirm that the case (rear)
assy and mesh (MIC) are visible through the slits.
8 Create an open space between
the case (front) and the
ornament (MIC) by pushing the
case (rear) in the direction of
the arrow.
ornament (MIC) by pushing the
case (rear) in the direction of
the arrow.
7
six claws
7
two claws
qa
ornament
(MIC)
(MIC)
lid (slot)
speaker wires
USB connector
case (front)
case (rear)
– Rear top view –
– Rear top view –
–Right side –
–Left side –
– Rear bottom view –
2 screw
1 Open the battery case lid.
4 Close the battery case lid.
3 screw
(1.4)
(1.4)
5 Open the lid (slot).
Note
Note
1: Be careful when removing the lid (slot),
as forcefully pulling to remove it from the
case (rear) may damage the retainer claw.
case (rear) may damage the retainer claw.
6 With the lid (slot) held open, press your fingers
against the bases of the case (front) and the
USB connector, and open them slightly.
USB connector, and open them slightly.
Note
2:
When opening the case (front), exercise
great care. If opened with too much force,
the speaker wires may snap.
great care. If opened with too much force,
the speaker wires may snap.
Note
3: Using a jig instead of your fingers is also
acceptable.
case (rear)
Note 4: Check that the two claws on
the ornament (MIC) have come
out of the case (rear) block.
out of the case (rear) block.
Note 6: To see if the claws on the removed
ornament (MIC) have broken or
otherwise been damaged, check that
the claws do not turn white when
pressure is applied.
otherwise been damaged, check that
the claws do not turn white when
pressure is applied.
Not broken
Not white
0
claw
0
claw
0
two claws
ornament (MIC)
case
(front)
(front)
ornament (MIC)
case
(front)
(front)
ICD-PX440
7
2-3. CASE (FRONT) ASSY
5
three claws
2 Remove the solder.
[black]
[black]
2 Remove the solder.
[red]
[red]
3 case (front) assy
1 Remove two speaker
wires from the claw.
4 Attach the case (front) assy
starting with the right side.
7
Attach the case (front)
assy to the left side.
assy to the left side.
3 Open the lid (slot).
2 Hook two wires to
the claw.
1 Solder the wire.
[black]
[black]
1 Solder the wire.
[red]
[red]
6 Align the position of S401 and
knob (power).
S401
S941
– Front top view –
– Front top view –
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8
three claws
knob
(power)
(power)
S401
Note: Be careful not to damage the switches
when attaching the case (front) assy.
6 Align the position of S941 and
knob (power).
knob
(power)
(power)
S941
speaker wires
MAIN board
[red]
[black]
claw
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ICD-PX440
8
2-4. LOUDSPEAKER (2.8 cm)
2-5. LCD BLOCK
1
tapping screw
(B2.0)
1
tapping screw
(B2.0)
2
loudspeaker (2.8 cm)
(SP1)
Note: When installing the loudspeaker
(2.8 cm) (SP1), align the speaker
wires and ditch as shown in the
following figure.
wires and ditch as shown in the
following figure.
ditch
speaker
wires
wires
– Case (front) assy rear bottom view –
1
Peel off the adhesive
sheet (4
sheet (4
u 4).
4
Peel off the adhesive
sheet (4
sheet (4
u 4).
2
Remove the LCD block in
the direction of the arrow.
the direction of the arrow.
5
LCD flexible board
(CN451)
3
Remove the solder.
7
sheet (copper leaf)
sheet
(copper leaf)
(copper leaf)
adhesive
sheet (4 × 4)
sheet (4 × 4)
guide line
guide line
6
adhesive sheet (4
u 4)
8
LCD assy
(LCD1)
LCD assy
(LCD1)
(LCD1)
LCD flexible board
LCD flexible board
LCD flexible board
OK
NG
NG
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Insert is shallow
Insert is straight
to the interior.
to the interior.
connector
Insert is incline
connector
connector
–)URQWERWWRPYLHZ–
Note 1: When installing the LCD
block, align each corner.
Note 2: When installing the LCD flexible board, please install them
correctly. There is a possibility that this machine damages
when not correctly installing it.
when not correctly installing it.
ICD-PX440
9
2-6. LCD HOLDER
2-7. MAIN BOARD
1
claw
1
claw
1
claw
2
LCD holder block
– Front bottom view –
2 USB flexible board
(CN801)
(CN801)
1 Remove the solder.
[red]
[red]
1 Remove the solder.
[blue]
[blue]
5 MAIN board
MAIN board
USB flexible board
electret cap microphone
(L-ch) (MIC1)
(L-ch) (MIC1)
electret cap microphone
(R-ch) (MIC2)
[red]
[blue]
MAIN board
[blue]
[red]
1 Remove the solder.
[red]
[red]
1 Remove the solder.
[blue]
[blue]
4 two screws
3 Remove the solder.
3 Remove the solder.
4 screw
USB flexible board
USB flexible board
USB flexible board
OK
NG
NG
Note: When installing the USB flexible board, please install them
correctly. There is a possibility that this machine damages
when not correctly installing it.
when not correctly installing it.
Insert is shallow
Insert is straight
to the interior.
to the interior.
connector
Insert is incline
connector
connector
86%IOH[LEOHERDUGVHWWLQJ
:LUHVHWWLQJ
–)URQWWRSYLHZ–
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