DOWNLOAD Sony ICD-LX30 Service Manual ↓ Size: 1.46 MB | Pages: 18 in PDF or view online for FREE

Model
ICD-LX30
Pages
18
Size
1.46 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
icd-lx30.pdf
Date
PREV: Sony ICD-UX522 / ICD-UX522F / ICD-UX523 / ICD-UX523F Service Manual

Sony ICD-LX30 Service Manual ▷ View online

ICD-LX30
9
4-2. KEY CHECK
Operation of keys and switches can be checked, and this unit can 
return to the factory shipment settings.
Note 1: It cannot move to other modes from this mode.
Procedure:
1.  Enter the test mode.
2.  Press the [FF/
M
] or [FR/
m
] keys to select the “KEY CHECK”, 
and press the [PLAY/ENTER/
N
] key.
3.  Whenever any keys of this unit are pressed or any switches of 
this unit are slid, the button count decreases.
<KEY CHECK>
KEY:PREV
REMAIN: 15
LCD of Display 
*Displayed characters/values are example.
Button count 
Confirmed key name
 
Target keys:
 
[STOP/
x
], [FF/
M
], [FR/
m
], [PLAY/ENTER/
N
], 
 [REC/PAUSE/
z
], [NEXT/
>
], [PREV/
.
], [SEARCH], 
 
[ERASE], [VOL +], [VOL –], [MENU]
 
Target switches:
 
[HOLD], [POWER]
4.  After all the keys and switches are decided, initialization is 
performed.
5.  “Success” is displayed, and this unit reboots. 
Note 2: This unit is not initialized when “Failure” is displayed.
Releasing method:
Remove battery.
4-3. AUDIO LOOP
Audio loop back operation can be performed.
Procedure:
1.  Enter the test mode.
2.  Press the [FF/
M
] or [FR/
m
] keys to select the “AUDIO LOOP”, 
and press the [PLAY/ENTER/
N
] key.
3.  Audio loop back operation is performed.
Note: When mode is active, the recording level for VOR is acquired at 
intervals of 1 second, and it is displayed. When the acquired record-
ing level is larger than the VOR setting value, red LED lights up.
 
  (Threshold value is based on operation of this unit)
<AUDIO LOOP>
AGC: OFF
Vol: 20 MIC IN
VOR: 00003FFF
LCD Display
*Displayed characters/values are example.
 
Initial value:
 
Play back volume 
: 20 (stereo)
 
fs 
: 44.1 kHz
 
External microphone  : MIC IN
 
Key input settings under this mode of operation:
 
[VOL +] 
: Volume up
 
[VOL –] 
: Volume down
 [PLAY/ENTER/
N
]  : External microphone sensitivity
 
 
  (MIC IN ↔ LINE IN)
 [FR/
m
] 
: 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 [STOP/
x
] key, return to test mode menu.
ICD-LX30
10
4-4. SIN
Sine wave can be outputted.
Procedure:
1.  Enter the test mode.
2.  Press the [FF/
M
] or [FR/
m
] keys to select the “SIN”, and 
press the [PLAY/ENTER/
N
] key.
3.  Sine wave is outputted.
<SIN>
Vol:20
LCD Display
*Displayed characters/values are example.
 
Initial value:
 
Play back volume  : 20 (stereo)
 fs 
: 
44.1kHz
 
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 [FF/
M
] or [FR/
m
] keys to select the “BEEP”, and 
press the [PLAY/ENTER/
N
] key.
3.  Beep sound (1.3 kHz) is outputted.
<BEEP>
1.3KHz ON
LCD Display
*Displayed characters/values are example.
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 [FF/
M
] or [FR/
m
] keys to select the “LCD CONT”, 
and press the [PLAY/ENTER/
N
] 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 serial fl ash.
 
Key input settings under this mode of operation:
 [FR/
m
] 
: Contrast value decrease
 [FF/
M
] 
: Contrast value increase
 [PLAY/ENTER/
N
]  : The current contrast value is written to
 
 
  serial fl ash.
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 [FF/
M
] or [FR/
m
] keys to select the “LCD PAT-
TERN”, and press the [PLAY/ENTER/
N
] 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:
 [FF/
M
] or [FR/
m
] : Display pattern change
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
ICD-LX30
11
4-8. RTC TEST
The self-test of RTC module can be done.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[FF/
M
] or [FR/
m
] keys to select the “RTC TEST”, 
and press the [PLAY/ENTER/
N
] 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 [FF/
M
] or [FR/
m
] keys to select the “BATT A/D”, 
and press the [PLAY/ENTER/
N
] 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 value are always updated.
<BATT A/D>
AC: 7B
LCD Display
*Displayed characters/values are example.
Releasing method:
Press the [STOP/
x
] key, return to test mode menu.
4-10. ZLOAD
Not used for the servicing.
4-11. LOW 
DET
Not used for the servicing.
4-12. VBUS
Not used for the servicing.
4-13. DC-IN
The state of DCIN_XDET can be checked.
Procedure:
1.  Enter the test mode.
2. Press 
the 
[FF/
M
] or [FR/
m
] keys to select the “DC-IN”, and 
press the [PLAY/ENTER/
N
] key.
3.  The state of DCIN_XDET is displayed.
<DC-IN>
OFF
LCD Display
*Displayed characters/values are example.
 
OFF  : DCIN_XDET = 1 (H)
 
ON 
: DCIN_XDET = 0 (L)
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 [FF/
M
] or [FR/
m
] keys to select the “KEY COUNT”, 
and press the [PLAY/ENTER/
N
] 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 pressed.
 
One of switches is slid.
 
SD card is inserted.
 
Headphone or microphone is inserted.
Releasing method:
Remove battery.
ICD-LX30
12
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 [FF/
M
] or [FR/
m
] keys to select the “SLEEP”, 
and press the [PLAY/ENTER/
N
] key.
3.  The sleep state selection screen is displayed.
 
This unit shifts to the sleep state by pressing the [PLAY/
ENTER/
N
] key again.
<SLEEP>
SLEEP:NORMAL
Excuting...
LCD Display
*Displayed characters/values are example.
Releasing method:
Remove battery.
4-16. BATT 
LIFE
Not used for the servicing.
4-17. WRITER 
VER
Not used for the servicing.
4-18. CHG 
LOG
Not used for the servicing.
4-19. MENU 
INIT
This unit can return to the factory shipment settings.
Procedure:
1.  Enter the test mode.
2.  Press the [FF/
M
] or [FR/
m
] keys to select the “MENU 
INIT”, and press the [PLAY/ENTER/
N
] key.
3.  Initialization of this unit is performed.
 
“Success” is displayed, and this unit reboots.
Page of 18
Display

Click on the first or last page to see other ICD-LX30 service manuals if exist.

RANDOM: