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ICD-PX333 ICD-PX333D ICD-PX333F ICD-PX333M
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22
Size
1.29 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icd-px333-icd-px333d-icd-px333f-icd-px333m.pdf
Date

Sony ICD-PX333 / ICD-PX333D / ICD-PX333F / ICD-PX333M Service Manual ▷ View online

ICD-PX333/PX333D/PX333F/PX333M
13
4-3. AUDIO LOOP
Audio loop back operation can be performed.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “AUDIO LOOP”, 
and press the [PLAY/STOP 
N
 ENTER] key.
3.  Audio loop back operation is performed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
Note: When mode is active, the recording level for VOR is acquired at in-
tervals of 1 second, and it is displayed. When the acquired recording 
level is larger than the VOR setting value, the operation indicator 
LED redly lights up.
 
(Threshold value is based on operation of this unit)
LCD Display
VOR:00003FFF
10
/ 00
AGC:ON
Microphone sensitivity
     : H,     : M,     : L
Volume/
External microphone sensitivity
 
Initial value:
 
Play back volume 
: 10 (stereo)
 
fs 
: 44.1 kHz
 
Microphone sensitivity  : M
 
External microphone 
: 00
 
Sound is outputted from the D-AMP built-in CPU at the time 
of headphone wearing.
 
Key input settings under this mode of operation:
 
[VOL +] 
: Volume up
 
[VOL –] 
: Volume down
 [REC/PAUSE 
z
: Microphone sensitivity change 
 
 
  (H → L → M → H...)
 [PLAY/STOP 
N
 ENTER] : External microphone sensitivity
 
 
  (mounted model only)
 
 
  (MIC IN ↔ LINE IN)
 
[
.
: AGC operation (ON ↔ OFF)
Operation of others by the plug/unplug signal (the external micro-
phone jack and headphone jack) are based on operation of this unit.
Releasing method:
Press the [
x
] key, return to test mode menu.
4-4. SIN
Sine wave can be outputted.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “SIN”, and press 
the [PLAY/STOP 
N
 ENTER] key.
3.  Sine wave is outputted.
 
(Displayed characters/values in the following fi gure  are  ex-
ample)
LCD Display
10
/
Volume
<SIN>
 
Initial value:
 
Play back volume  : 10 (stereo)
 fs 
44.1kHz
 
Sound is outputted from the D-AMP built-in CPU at the time 
of headphone wearing.
 
Key input settings under this mode of operation:
 
[VOL +]  : Volume up
 
[VOL –]  : Volume down
 
[
>
: The headphone amplifi er change
 
 
  (mounted model only)
 
 
  (D-AMP ↔ Codec)
Operation of others by the plug/unplug signal (the external micro-
phone jack and headphone jack) are based on operation of this unit.
Releasing method:
Press the [
x
] key, return to test mode menu.
4-5. BEEP
Beep sound (1.3 kHz) can be outputted.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “BEEP”, and press 
the [PLAY/STOP 
N
 ENTER] key.
3.  Beep sound (1.3 kHz) is outputted.
 
(Displayed characters/values in the following fi gure  are  ex-
ample)
LCD Display
10
/
Volume
<BEEP>
1.3KHz ON
 
Output to the speaker or headphone and output level are based 
on operation of this unit.
Releasing method:
Press the [
x
] key, return to test mode menu.
ICD-PX333/PX333D/PX333F/PX333M
14
4-6. LCD CONT
LCD contrast can be adjusted.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “LCD CONT”, and 
press the [PLAY/STOP 
N
 ENTER] key.
3.  Adjustment of LCD contrast becomes available.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
<LCD CONT>
Vol: 2E
Contrast value
 
Initial value:
 
The default setting saved at eMMC.
 
Key input settings under this mode of operation:
 
[.] 
: Contrast value decrease
 
[>] 
: Contrast value increase
 [PLAY/STOP 
N
 ENTER] : The current contrast value is writ-
ten to eMMC.
Releasing method:
Press the [
x
] key, return to test mode menu.
4-7. LCD PATTERN
The lighting check of LCD can be performed.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[
>
] or [
.
] keys to select the “LCD PATTERN”, 
and press the [PLAY/STOP 
N
 ENTER] key.
3.  LCD display pattern is displayed as shown in the following 
fi gure.
LCD Display Pattern
LCD Display:
Display pattern 1
Operation indicator LED:
Orange lights
LCD Display:
Display pattern 2
Operation indicator LED:
Red lights
LCD Display:
All segments ON
Operation indicator LED:
Red lights
LCD Display:
All segments OFF
Operation indicator LED:
Green lights
LCD Display:
Display pattern 3
Operation indicator LED:
Red lights
 
Key input settings under this mode of operation:
 
[
>
] or [
.
] : Display pattern change
Releasing method:
Press the [
x
] key, return to test mode menu.
ICD-PX333/PX333D/PX333F/PX333M
15
4-8. RTC TEST
The self-test of RTC module can be done.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “RTC TEST”, and 
press the [PLAY/STOP 
N
 ENTER] key.
3.  The self-test of RTC module is executed, and result is dis-
played.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
RTC self-test result
<RTC TEST>
OK
Releasing method:
Press the [
x
] key, return to test mode menu.
4-9. BATT A/D
A/D value (voltage value and temperature value) acquisition can 
be performed.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[
>
] or [
.
] keys to select the “BATT A/D”, and 
press the [PLAY/STOP 
N
 ENTER] key.
3.  A/D value (voltage value and temperature value) are acquired, 
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)
LCD Display
AC:7B  2AC:8A
BC:7B  4BC:8A
Releasing method:
Press the [
x
] key, return to test mode menu.
4-10. ZLOAD
The battery load check can be operated compulsorily.
Procedure:
1.  Enter the test mode.
2. Press the [
>
] or [
.
] keys to select the “ZLOAD”, and 
press the [PLAY/STOP 
N
 ENTER] key.
3.  ON/OFF of ZLOAD is changed.
 
(Displayed characters/values in the following fi gure  are  ex-
ample)
LCD Display
<ZLOAD>
ZLOAD : ON
 
Key input settings under this mode of operation:
 
[
>
] or [
.
]  : ON/OFF of ZLOAD change
Releasing method:
Press the [
x
] key, return to test mode menu.
4-11. LOW 
DET
LOWBATT_XDET (Battery voltage decrease detection signal) 
can be checked.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[
>
] or [
.
] keys to select the “LOW DET”, and 
press the [PLAY/STOP 
N
 ENTER] key.
3.  The state of LOW DET is displayed.
 
(Displayed characters/values in the following fi gure  are  ex-
ample)
LCD Display
<LOW DET>
LOW DET : OFF
 
OFF : LOWBATT_XDET=1 (H)
 
ON  : LOWBATT_XDET=0 (L)
Releasing method:
Press the [
x
] key, return to test mode menu.
ICD-PX333/PX333D/PX333F/PX333M
16
4-12. VBUS
VBUS detection signal can be checked.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “VBUS”, and press 
the [PLAY/STOP 
N
 ENTER] key.
3.  The state of VBUS_XDET is displayed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
<VBUS>
OFF
 OFF 
VBUS_XDET=1 
(H)
 ON 
VBUS_XDET=0 
(L)
Releasing method:
Press the [
x
] key, return to test mode menu.
4-13.  FM TEST (ICD-PX333F only)
FM tuner can be checked.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “FM TEST”, and 
press the [PLAY/STOP 
N
 ENTER] key.
3.  The state of FM tuner is displayed.
LCD Display
FM : OK DX
080.00  Lv:5A  50
 
OK  : ID acquisition value OK
 
NG  : ID acquisition value NG
 
In OK, it becomes FM receiving mode.
 
Key input settings under this mode of operation:
 
[.] 
: Receiving step value decrease
 
[>] 
: Receiving step value increase
 [PLAY/STOP 
N
 ENTER] : Receiving sensitivity change
  
 
(DX 
↔ LOCAL)
Releasing method:
Press the [
x
] key, return to test mode menu.
4-14. 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 button pressed fi rst is counted.
Note: It cannot move to other modes from this mode.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “KEY COUNT”, 
and press the [PLAY/STOP 
N
 ENTER] 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)
LCD Display
<KEY COUNT>
00888 PLAY
Key name to count
 
Count value increase conditions:
 
One of buttons is pushed.
 
One of switches is slid.
 
Memory card is inserted.
 
Headphone or microphone is inserted.
Releasing method:
Remove battery.
4-15. SLEEP
It can change into the sleep state for standby current value mea-
surement.
Note: It cannot move to other modes from this mode.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “SLEEP”, and press 
the [PLAY/STOP 
N
 ENTER] key.
3.  The sleep state selection screen is displayed.
 
This unit shifts to the sleep state by pressing the [PLAY/STOP 
N
 ENTER] key again.
 
(Displayed characters/values in the following fi gure are ex-
ample)
LCD Display
<SLEEP>
SLEEP:NORMAL
Releasing method:
Remove battery.
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