Sony ICD-PX440 (serv.man2) Service Manual ▷ View online
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–
ICD-PX440
10
2-8. ELECTRET CAP MICROPHONE (L/R-ch) (MIC1, MIC2)
3 electret cap microphone
(L-ch) (MIC1)
3 electret cap microphone
(R-ch) (MIC2)
electret cap microphone
cushion (MIC)
2
cushion (MIC)
1
Remove the electret cap microphone
(L-ch) (MIC1) block in the direction of
the arrow.
(L-ch) (MIC1) block in the direction of
the arrow.
1
Remove the electret cap microphone
(R-ch) (MIC2) block in the direction of
the arrow.
(R-ch) (MIC2) block in the direction of
the arrow.
2
cushion (MIC)
electret cap microphone
cushion (MIC)
Sticks out from the side.
OK
NG
Note: When installing the cushion (MIC), begin affixing the cushion (MIC)
at the position where the lead wire comes out, and affix it so that the
cushion winds around the side of the electret cap microphone.
cushion winds around the side of the electret cap microphone.
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