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Model
ICD-UX522 ICD-UX522F ICD-UX523 ICD-UX523F
Pages
24
Size
1.27 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icd-ux522-icd-ux522f-icd-ux523-icd-ux523f.pdf
Date
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ICD-UX522/UX522F/UX523/UX523F
13
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 [
N
/ENTER] key.
3.  Sine wave is outputted.
<SIN>
Vol:10
LCD Display
*Displayed characters/values are example.
 
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
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 [STOP/
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 [
N
/ENTER] key.
3.  Beep sound (1.3 kHz) is outputted.
<BEEP>
1.3KHz ON
Vol:10
LCD Display
*Displayed characters/values are example.
 
Key input settings under this mode of operation:
 
[VOL +]  : Volume up
 
[VOL –]  : Volume down
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
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 [
N
/ENTER] key.
3.  Adjustment of LCD contrast becomes available.
<LCD CONT>
Vol: 16
[FF]+ [FR]
[PLAY] Save
LCD Display
*Displayed characters/values are example.
 
Initial value:
 
The default setting saved at eMMC.
 
Key input settings under this mode of operation:
 
[.] 
: Contrast value decrease
 
[>] 
: Contrast value increase
 
[
N
/ENTER]  : The current contrast value is written to eMMC.
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-7. LCD PATTERN
The check of LCD dead pixel is made.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[
>
] or [
.
] keys to select the “LCD PATTERN”, 
and press the [
N
/ENTER] key.
3.  LCD display pattern is displayed as shown in the following 
fi gure.
‡
‡
‡‡‡‡
LCD Display Pattern
All segments ON
All segments OFF
Partial segments ON
 
Key input settings under this mode of operation:
 
[
>
] or [
.
] : Display pattern change
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
ICD-UX522/UX522F/UX523/UX523F
14
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 [
N
/ENTER] key.
3.  The self-test of RTC module is executed, and result is dis-
played.
<RTC TEST>
OK
LCD Display
*Displayed characters/values are example.
RTC self-test result
Releasing method:
Press the [STOP/
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 [
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.
<BATT A/D>
AC: 7B  2AC: 00
BC: 7B  4BC: 00
TEMP: 6F
LCD Display
*Displayed characters/values are example.
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-10. ZLOAD
Compulsive operation of a battery load check can be performed.
Procedure:
1.  Enter the test mode.
2. Press the [
>
] or [
.
] keys to select the “ZLOAD”, and 
press the [
N
/ENTER] key.
3.  ON/OFF of ZLOAD is changed. 
<ZLOAD>
ZLOAD : OFF
LCD Display
*Displayed characters/values are example.
 
Key input settings under this mode of operation:
 
[
>
] or [
.
]  : ZLOAD change (ON ↔ OFF)
 
[
N
/ENTER] 
: ZLOAD_CTL change (H ↔ L)
Releasing method:
Press the [STOP/
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 [
N
/ENTER] key.
3.  The state of LOW DET is displayed.
<LOW DET>
LOW DET: OFF
LCD Display
*Displayed characters/values are example.
 
OFF : LOWBATT_XDET=1 (H)
 
ON  : LOWBATT_XDET=0 (L)
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
ICD-UX522/UX522F/UX523/UX523F
15
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 [
N
/ENTER] key.
3.  The state of VBUS_XDET is displayed.
<VBUS>
OFF
LCD Display
*Displayed characters/values are example.
 OFF 
: 
VBUS_XDET=1 
(H)
 ON 
: 
VBUS_XDET=0 
(L)
 
Key input settings under this mode of operation:
 
[
N
/ENTER]  : It shifts to the suspension state.
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-13.  FM TEST (ICD-UX522F/UX523F 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 [
N
/ENTER] key.
3.  The state of FM tuner is displayed.
<FM TEST>
FM: OK DX
80.00  Lv: 5A
CH: 80.00
LCD Display
*Displayed characters/values are example.
 
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
 
[
N
/ENTER] : Receiving sensitivity change (DX ↔ LOCAL)
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-14. KEY 
COUNT
The count value of the keys and switches operation can be dis-
played. Distinction of the keys and switches which operated is not 
performed.
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 [
N
/ENTER] key.
3.  The count value of the keys and switches operation is dis-
played.
<KEY COUNT>
00888
LCD Display
*Displayed characters/values are example.
 
Count value increase conditions:
 
One of buttons is pushed.
 
One of switches is slid.
 
micro SD 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 [
N
/ENTER] key.
3.  The sleep state selection screen is displayed.
 
This unit shifts to the sleep state by pressing the [
N
/ENTER] 
key again.
<SLEEP>
SLEEP:NORMAL
Excuting...
LCD Display
*Displayed characters/values are example.
Releasing method:
Remove battery.
Ver. 1.1
ICD-UX522/UX522F/UX523/UX523F
16
4-16. BATT 
LIFE
The result measured with the battery life measurement fi rmware 
can be displayed.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “BATT LIFE”, and 
press the [
N
/ENTER] key.
3.  The result measured with the battery life measurement fi rm-
ware is displayed.
<BATT LIFE>
- - - -  REC  0  Lv1
YY/MM/DD
HH/MM/SS
LCD Display
*Displayed characters/values are example.
Hours/minutes/seconds
Year/months/days
Recording mode/
Recording and
playback type/
Battery level
 
Recording mode:
 
Recording mode of the fi le recorded or played back at the time 
of measurement is displayed.
 (192/128/M160/M48/M8/LPCM/FM/FMREC/ST/STSP/
STLP/SP/LP etc.)
 
Recording and play back type:
 
The state at the time of measurement is displayed.
 
Battery level:
 
The battery life value is displayed. Value is changed by press-
ing the [
>
] or [
.
] keys.
 Battery 
lebel: 
LV1= 100%
  
LV2= 50%
  
LV3= 25%
  
LV4= >25%
  
LV5= 0%
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-17. WRITER 
VER
Not used for the servicing.
4-18. CHG 
LOG
The charge log saved at SRAM can be copied to eMMC.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[
>
] or [
.
] keys to select the “CHG LOG”, and 
press the [
N
/ENTER] key.
3.  The charge log saved at SRAM is copied to eMMC.
<CHG LOG>
Success
LCD Display
*Displayed characters/values are example.
Result Indication
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-19. LREC 
LOG
Not used for the servicing.
4-20.  LREC LOG Clear
Not used for the servicing.
4-21. MENU 
INIT
This unit can return to the factory shipment settings.
Procedure:
1.  Enter the test mode.
2.  Press the [
>
] or [
.
] keys to select the “MENU INIT”, and 
press the [
N
/ENTER] key.
3.  Initialization is performed.
 
“Success” is displayed, and this unit reboots.
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