Read Sony ICD-SX750 / ICD-SX750D / ICD-SX850 / ICD-SX850D / ICD-SX950 Service Manual online
ICD-SX750/SX750D/SX850/SX850D/SX950
10
SECTION 2
TEST MODE
[Test Mode]
The following checks can be implemented using the Test Mode.
The following checks can be implemented using the Test Mode.
How to Enter the Test Mode
• Turn the power on. (by inserting batteries)
• Turn ON the [NOISE CUT] switch while pressing the [DI-
• Turn the power on. (by inserting batteries)
• Turn ON the [NOISE CUT] switch while pressing the [DI-
VIDE/ ] button and [VOL –] button at the same time.
How to Exit the Test Mode
Exit the test mode by turning OFF the power. (by removing the
batteries)
Exit the test mode by turning OFF the power. (by removing the
batteries)
Initial Status of the Test Mode
When the machine enters the test mode, the LCD display appears
as shown below.
When the machine enters the test mode, the LCD display appears
as shown below.
+
Loop
Select the desired item by using the [
>
]/[
.
] button, and press
the [
Nx
] button to set the selection.
>
.
.
.
>
>
>
>
>
.
.
>
>
>
.
.
.
.
>
>
>
>
.
.
.
>
>
>
.
>
.
.
.
.
Version
KeyChk+Fmt
Loop
ExtMic Cal
SetMic Cal
Beep
Lcd Contrast
Cluster Num
>
.
>
.
Battery
Factory Ship
BattAB4
BattCnt
Menu Init
Key Check
Log Output
App LogOut
Convert
VBUS
Sleep
START
Initial status of test mode
F/W version display
TEST MODE
END
TEST MODE
Turn off the power
(Remove the batteries)
(Remove the batteries)
RTC lnt
BattAC2
>
.
>
.
1. Version test
• Version of the respective modules are verifi ed.
ARM X.XX .XX
/
DSP X.X.XX
ICX-XXX
F/W version of
CPU(DSP block)
CPU(DSP block)
Boot:X
Oct XX 200X XX:XX:XX
F/W version of
CPU(ARM block)
CPU(ARM block)
F/W version of
Boot loader
Boot loader
• Press the [
x
] button to return to the test mode screen.
2. Key Chk + Format test
• Perform the key check by pressing the keys. The NAND
formatting (deleting all events) and the default settings of
the menus (default language and LCD contrast remain un-
changed) are executed at the same time.
the menus (default language and LCD contrast remain un-
changed) are executed at the same time.
FormatStart
The checked key is display.
When all checks are
completed, the back-Light
turns on for 0.5 seconds
completed, the back-Light
turns on for 0.5 seconds
The NAND formatting
(deleting all events)
and the befault settings
of the menus are completed.
(deleting all events)
and the befault settings
of the menus are completed.
Total of 15 keys* are counted.
* [
Nx
]/[
>
]/[
.
]/[ /MENU]/[
z
]/[
x
]/[VOL +]/
[VOL –]/[ERASE]/[DIVIDE/ ]/[ A-B/ ]/
[DPC (ON/OFF)]/[NOISE CUT (ON/OFF)]/
[DIRECTNL
[DPC (ON/OFF)]/[NOISE CUT (ON/OFF)]/
[DIRECTNL
(ON/OFF)]/[. HOLD]
• Once formatting is normally completed, reboot the system.
Click on the first or last page to see other ICD-SX750 / ICD-SX750D / ICD-SX850 / ICD-SX850D / ICD-SX950 service manuals if exist.