ICD-SX68, ICD-SX68DR9, ICD-SX78, ICD-SX88 - Sony Audio Service Manual (repair manual). Page 10

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ICD-SX68/SX68DR9/SX78/SX78DR9/SX88
10
[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 [V-UP] switch while pressing the [DIVIDE/ 
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)
Initial Status of the Test Mode
When the machine enters the test mode, the LCD display appears 
as shown below.
 
   
Select the desired item by using the [
>]/[.] button, and 
press the [
Nx] button to set the selection. 
1. Version 
test
  •  Version of the respective modules are verifi ed.
   
  •  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 for-
matting (deleting all events) and the default settings of the 
menus (default language and LCD contrast remain unchanged) 
are executed at the same time. 
 * [
Nx
]/[
>
]/[
.
]/[
/MENU]/[
z
]/[
x
]/[VOL +]/
[VOL –] /[ERASE]/[DIVIDE/
]/[
 A-B/ ]/
    [DPC (ON/OFF)]/[V-UP (ON/OFF)]/
   [DIRECTNT (ON/OFF)]/[
. HOLD]
  •  Press the [
x
] button to return to the test mode screen.
SECTION  3
TEST  MODE
+
Loop
Version 
KeyChk+Fmt
Loop
ExtMic Cal 
SetMic Cal 
Beep
Lcd Cont 
RTC Int 
Battery
BattAC2
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) 
ARM  X.XX .XX
/
DSP  X.X.XX
ICX-XXX
F/W version of
CPU(DSP block)
Boot:X
Oct     XX     200X      XX:XX:XX
F/W version of
CPU(ARM block)
F/W version of
Boot loader
liant
The checked key is display.
When all checks are 
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.
Total of 15 keys* are counted.
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