DOWNLOAD Sony ICD-PX440 (serv.man2) Service Manual ↓ Size: 1.65 MB | Pages: 22 in PDF or view online for FREE

Model
ICD-PX440 (serv.man2)
Pages
22
Size
1.65 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icd-px440-sm2.pdf
Date

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 case (rear) assy should 
be visible through this slit.
Only the mesh (MIC) should 
be visible through this slit.
The microphone electret cap 
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.
six claws
two claws
qa 
ornament 
(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)
5 Open the lid (slot).
 Note 
1: Be careful when removing the lid (slot), 
as forcefully pulling to remove it from the 
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.
 Note 
2: 
When opening the case (front), exercise 
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.
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.
Not broken
Not white
claw
claw
two claws
ornament (MIC)
case 
(front)
ornament (MIC)
case 
(front)
ICD-PX440
7
2-3.  CASE (FRONT)  ASSY
three claws
2 Remove the solder.
 [black]
2 Remove the solder.
 [red]
3 case (front) assy
1 Remove two speaker 
wires from the claw.
4 Attach the case (front) assy 
starting with the right side.
Attach the case (front) 
assy to the left side.
3 Open the lid (slot).
2 Hook two wires to 
the claw.
1 Solder the wire.
 [black]
1 Solder the wire.
 [red]
6 Align the position of S401 and 
knob (power).
S401
S941
– Front top view –
– Front top view –
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three claws
knob
(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)
S941
speaker wires
MAIN board
[red]
[black]
claw
‡:LUHVHWWLQJ
ICD-PX440
8
2-4.  LOUDSPEAKER (2.8 cm)
2-5.  LCD  BLOCK
tapping screw
 (B2.0)
tapping screw
 (B2.0)
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.
ditch
speaker 
wires
– Case (front) assy rear bottom view –
Peel off the adhesive 
sheet (4 
u 4).
Peel off the adhesive 
sheet (4 
u 4).
Remove the LCD block in 
the direction of the arrow. 
LCD flexible board
 (CN451)
Remove the solder.
sheet (copper leaf)
sheet 
(copper leaf)
adhesive 
sheet (4 × 4)
guide line
guide line
adhesive sheet (4 
u 4)
LCD assy
 (LCD1)
LCD assy 
(LCD1)
LCD flexible board
LCD flexible board
LCD flexible board
OK
NG
NG
‡/&'DVV\/&'VHWWLQJ
Insert is shallow
Insert is straight 
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.
ICD-PX440
9
2-6.  LCD  HOLDER
2-7.  MAIN  BOARD
claw
claw
claw
LCD holder block
– Front bottom view –
2 USB flexible board
 (CN801)
1 Remove the solder.
 [red]
1 Remove the solder.
 [blue]
5 MAIN board
MAIN board 
USB flexible board
electret cap microphone
 (L-ch) (MIC1)
electret cap microphone 
(R-ch) (MIC2)
[red]
[blue]
MAIN board
[blue]
[red]
1 Remove the solder.
 [red]
1 Remove the solder.
 [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.
Insert is shallow
Insert is straight 
to the interior.
connector
Insert is incline
connector
connector
‡86%IOH[LEOHERDUGVHWWLQJ
‡:LUHVHWWLQJ
–)URQWWRSYLHZ–
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