Sony ICD-PX440 (serv.man2) Service Manual ▷ View online
ICD-PX440
3
SECTION 1
SERVICING NOTES
NOTE OF REPLACING THE BOARD
When boards installed by this unit are defective, individual electri-
cal parts that the mount is done cannot be replaced. Replace the
mounted board, or replace the whole part containing the complete
mounted board.
When boards installed by this unit are defective, individual electri-
cal parts that the mount is done cannot be replaced. Replace the
mounted board, or replace the whole part containing the complete
mounted board.
ABOUT THE DESTINATION SETTING WHEN REPLAC-
ING THE MAIN BOARD
When the MAIN board of this unit is replaced, perform processing
according to the following procedure.
ING THE MAIN BOARD
When the MAIN board of this unit is replaced, perform processing
according to the following procedure.
Precaution
The contents which are not opened to customers are included
in the following procedure. After you are cautious of handling of
information, execute work under the suffi cient administration.
The contents which are not opened to customers are included
in the following procedure. After you are cautious of handling of
information, execute work under the suffi cient administration.
1. About the preparing of tools
Confi rm the method of obtaining the tools to the service headquar-
ters.
Confi rm the method of obtaining the tools to the service headquar-
ters.
2. Setting
method
Note: The destination setting is impossible when battery voltage is not
enough.
Do work using the battery with suffi cient battery level.
Procedure:
1. Equip this unit with battery.
2. Connect this unit to the PC.
1. Equip this unit with battery.
2. Connect this unit to the PC.
To USB port of PC
IC recorder
Slide the USB slide lever
3. On PC, unzip the model setting fi le to get folder on PC.
4. On PC, open the unzipped folder, and select the folder corre-
4. On PC, open the unzipped folder, and select the folder corre-
sponding to the model name and destination of this unit.
01.ICD-PX440_U
02.ICD-PX440_CE7
03.ICD-PX440_LA
04.ICD-PX440_CA
02.ICD-PX440_CE7
03.ICD-PX440_LA
04.ICD-PX440_CA
05.ICD-PX440_J
07.ICD-PX440_CN
08.ICD-PX440_KR3
09.ICD-PX440_E
07.ICD-PX440_CN
08.ICD-PX440_KR3
09.ICD-PX440_E
5. On PC, copy the “DEVINFO.UPG” fi le included in the folder
selected at step 4 to root folder of this unit.
6. Remove this unit from the PC.
From USB port of PC
IC recorder
7. “Updating” is displayed on the screen of this unit, and this unit
is rebooted automatically.
Updating...
LCD Display
8. The destination setting is completed.
1.
SERVICING NOTES
.............................................
3
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 5
2-2. Ornament
(MIC)
............................................................. 6
2-3. Case
(Front)
Assy
............................................................ 7
2-4. Loudspeaker (2.8 cm) ..................................................... 8
2-5. LCD
2-5. LCD
Block
...................................................................... 8
2-6. LCD
Holder
.................................................................... 9
2-7. MAIN
Board
................................................................... 9
2-8. Electret Cap Microphone (L/R-ch) (MIC1, MIC2) ........ 10
2-9. Chassis
2-9. Chassis
............................................................................ 11
2-10. USB Assy (USB1) .......................................................... 11
3.
TEST MODE
............................................................ 12
4.
EXPLODED VIEWS
4-1. Case Front Section .......................................................... 18
4-2. MAIN Board Section ...................................................... 19
4-3. Case (Rear) Section ........................................................ 20
4-2. MAIN Board Section ...................................................... 19
4-3. Case (Rear) Section ........................................................ 20
5. ACCESSORIES
....................................................... 21
TABLE OF CONTENTS
ICD-PX440
4
3. Confi rmation and initialize method
Procedure:
1. Equip this unit with battery.
2. Slide the [HOLD•POWER ON/OFF] switch in the direction of
Procedure:
1. Equip this unit with battery.
2. Slide the [HOLD•POWER ON/OFF] switch in the direction of
“POWER” until the window display appears.
3. While pressing the [STOP/
x
] and [VOL
−] keys, slide the
[DPC (SPEED CTRL)] switch in the direction of “ON” or
“OFF” (Either “ON” or “OFF” is OK).
“OFF” (Either “ON” or “OFF” is OK).
VOL –
STOP / x
ON OFF DPC (SPEED CTRL)
4. While pressing the [STOP/
x
] and [VOL
−] keys, slide the
[DPC (SPEED CTRL)] switch in the direction opposite to that
specifi ed in step 3.
specifi ed in step 3.
5. While pressing the [STOP/
x
] and [VOL
−] keys, slide the
[DPC (SPEED CTRL)] switch in the direction opposite to that
specifi ed in step 4.
specifi ed in step 4.
6. The test mode menu (“SERVICE MENU”) is displayed, and
enter the test mode. Release the [STOP/
x
] and [VOL
−] keys.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
<SERVICE MENU>
ICD-PX440 /E
1.00.00
1.00.00
Destination
Model name
Firmware version
Model name
Firmware version
LCD Display
7. Press the [
>
] or [
.
] keys to select the “MENU INIT”, and
press the [
N
] key.
8. Initialization is performed.
Formatting...
<MENU INIT>
LCD Display
9. “Success” is displayed, and this unit reboots.
Success
LCD Display
ICD-PX440
5
SECTION 2
DISASSEMBLY
•
This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
SET
2-2. ORNAMENT
(MIC)
(Page
6)
2-3. CASE
(FRONT)
ASSY
(Page
7)
2-4
LOUDSPEAKER (2.8 cm)
(Page
8)
2-6. LCD
HOLDER
(Page
9)
2-7. MAIN
BOARD
(Page
9)
2-10. USB ASSY (USB1)
(Page
(Page
11)
2-8. ELECTRET CAP MICROPHONE
(L/R-ch) (MIC1, MIC2)
(Page
10)
2-9. CHASSIS
(Page
(Page
11)
2-5. LCD
BLOCK
(Page
8)
JIG
When disassembling the unit, use the following jig.
When disassembling the unit, use the following jig.
Part No.
Description
9-913-402-33 Tool for Disassembling
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)
