Read Sony ICD-PX440 (serv.man2) Service Manual online
ICD-PX440
16
4-10. BATT
A/D
A/D value (voltage value and temperature value state) acquisition
can be performed.
can be performed.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 12)
2. Press the [
>
] or [
.
] keys to select the “BATT A/D”, and
press the [
N
] key.
3. A/D value (voltage value and temperature value state) are ac-
quired, and they are displayed.
(8 bit (The bit shift after LSB side 2 bit omission))
Displayed values are always updated.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
AC:7B 2AC:8A
BC:7B 4BC:8A
TEMP:8C
BC:7B 4BC:8A
TEMP:8C
<BATT A/D>
LCD Display
Releasing method:
Press the [STOP/
Press the [STOP/
x
] key, return to test mode menu.
4-11. ZLOAD
Not used for the servicing.
Not used for the servicing.
4-12. LOW
DET
Not used for the servicing.
4-13. VBUS
VBUS detection signal can be checked.
VBUS detection signal can be checked.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 12)
2. Press the [
>
] or [
.
] keys to select the “VBUS”, and press
the [
N
] key.
3. The state of VBUS_XDET is displayed.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
OFF
<VBUS>
LCD Display
OFF
:
VBUS_XDET=1
(H)
ON
:
VBUS_XDET=0
(L)
Key input settings under this mode of operation:
[
N
] : It shifts to the suspension state.
Releasing method:
Press the [STOP/
Press the [STOP/
x
] key, return to test mode menu.
Remove battery, in order to be released from the suspension state.
4-14. FM
TEST
Not used for the this unit.
4-15. KEY
COUNT
The count value of the keys and switches operation can be dis-
played. However, distinction of kind of the keys and switches
which operated is not performed.
Only the key pressed fi rst is counted.
played. However, distinction of kind of the keys and switches
which operated is not performed.
Only the key pressed fi rst is counted.
Note: It cannot move to other modes from this mode.
Procedure:
1. Enter the test mode.
1. Enter the test mode.
(Refer to “SETTING THE TEST MODE” on page 12)
2. Press the [
>
] or [
.
] keys to select the “KEY COUNT”,
and press the [
N
] key.
3. The count value of the keys and switches operation is dis-
played.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
KEY:PLAY
00888
00888
<KEY COUNT>
LCD Display
The key name of
the pressed first
the pressed first
Count value increase conditions:
One of keys is pressed.
One of switches is slid.
Memory card is inserted.
Headphone or microphone is inserted.
Initial value:
Count number : 00000 (Maximum is 99999)
If the key is pressed in the state of 99999, it will return to
00000.
00000.
Releasing method:
Remove battery.
Remove battery.
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