Sony ICD-PX440 (serv.man2) Service Manual ▷ View online
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
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: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.
ICD-PX440
11
2-9. CHASSIS
2-10. USB ASSY (USB1)
2 two screws
4 chassis
1
Peel off the adhesive sheet.
3
Draw out the USB assy flexible
board from the hole.
board from the hole.
groove
USB assy flexible board
adhesive sheet
86%DVV\IOH[LEOHERDUGVHWWLQJ
2 USB assy (USB1)
hole
1
Draw out the USB assy
from the hole.
from the hole.
Note: When installing the USB assy (USB1), align
the USB assy knob with the case (rear) assy
hole and insert the knob into the hole.
hole and insert the knob into the hole.
ICD-PX440
12
SECTION 3
TEST MODE
1. SETTING THE TEST MODE
Note: Test mode is impossible when battery voltage is not enough.
Do work using the battery with suffi cient battery level.
Setting method :
1. Equip this unit with battery.
2. Slide the [HOLD•POWER ON/OFF] switch in the direction of
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
2. RELEASING THE TEST MODE
Remove battery.
Remove battery.
3. CONFIGURATION OF THE TEST MODE
[
.
] key
[
>
] key
J
j
k
K
Normal mode
Release the [STOP/
x
] and [VOL –] keys
Remove battery.
Initial state of test mode
End of test mode
Determine
using
[
N
]
key
Return using
[STOP/
x
] key
SERVICE MENU
LCD PATTERN
KEY CHECK2
VERSION
KEY CHECK
AUDIO LOOP
SIN
BEEP
LCD CONT
RTC TEST
BATT A/D
ZLOAD
LOW DET
VBUS
FM TEST
KEY COUNT
SLEEP
BATT LIFE
WRITER VER
CHG LOG
LREC LOG
LREC LOG Clear
MENU INIT
SERVICE MENU
While pressing the [STOP/
x
] and [VOL –] keys,
slide the [DPC (SPEED CTRL)] switch
“ON” or “OFF” (Either “ON” or “OFF” is OK).
Slide the [DPC (SPEED CTRL)] switch.
Slide the [DPC (SPEED CTRL)] switch.
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