8.2. Entering The Service Mode
1. Place a fully charged battery in the audio player and turn
the power ON.
2. Select the audio mode.
3. Insert the service mode SD-card in the audio player.
·
A playback operation begins.
4. Press the [STOP] button to stop the playback.
5. Press the [MODE] button one time to display the mode
selection screen (Fig.S1).
6. Use the [FWD-Skip] and [REW-Skip] buttons to select the
desired SERVICE item, then press the [PLAY/STOP] button
to display the service mode menu (Fig.S2).
7. At the service mode menu, use the [FWD-Skip] and [REW-
Skip] buttons to select the desired menu item, then press
the [PLAY/STOP] button to execute that menu.
Note:
Menus other than SERVICE 1 cannot be executed in a
continuous manner.
Fig.S1
Fig.S2
8.2.1. Service Mode Function & Canceling The Service Mode
Menu Item
Service Mode
Description
Operation After
Menu Selection
Buttons Used
Canceling The
Service Mode
Service Mode Function
SERVICE 1
Switches the EL
display mode.
Returns to standard
screen
[FWD-Skip],
[REW-Skip],
[PLAY/STOP]
(menu operation
only)
Turn power OFF, or
switch back to EL
display mode.
Because the display content must be checked
during service mode execution, the EL display is
always ON at this menu.
SERVICE 2
Device
key
serial
number
display.
Service
mode
is
executed.
None
Turn power OFF.
Verifies that the device key is written without error to
the main PCB´s IC4 (Flash ROM).
SERVICE 3
Control
button
operation
checks
and
remaining
battery capacity
display check
Service
mode
is
executed.
[FWD-Skip],
[REW-Skip],
[MODE], [VOL+],
[VOL-] (AD value
measurement)
Turn power OFF.
Displays the rechargeable battery voltage, and the
KEY
IN
voltage´s
AD
conversion
values
(hexadecimal) at the [FWD-Skip], [REW-Skip],
[MODE], [VOL+], [VOL-] key operations.
The AD conversion value is used for button
operation checks and for the remaining battery
capacity display.
SERVICE 4
Model & region
display
Service
mode
is
executed.
None
Turn power OFF.
Displays the model and region information. This
content cannot be changed.
SERVICE 5
Initializes
settings
(all
settings)
Service
mode
is
executed.
[FWD-Skip],
[REW-Skip],
[PLAY/STOP]
(menu operation
only)
Turn power OFF
(power
is
automatically
turned OFF when
processing ends).
Initializes model & region settings, and initializes
resume
information
and
the
tuner´s
preset
frequency.
* This differs from the standard mode´s setting menu
initialization in that the tuner´s preset is also
initialized.
SERVICE 6
Reads out the
settings
information.
Service
mode
is
executed.
None
Turn power OFF
(power
is
automatically
turned OFF when
processing ends).
Verifies that the settings information is written to IC4
(Flash ROM) without error.
SERVICE 7
Writes
the
default settings.
Service
mode
is
executed.
None
Turn power OFF
(power
is
automatically
turned OFF when
processing ends).
Writes the service mode SD-card´s default setting
file (FLASH_WR.BIN) content to IC4 (Flash
ROM).The model & region settings are written as a
set.
SERVICE 8
Card
recognition
check
Service
mode
is
executed.
None
Open the battery
cover.
Verifies that the SD-card (where audio file is saved)
can be recognized.
SERVICE 9
Checks
the
audio playback
operation.
Service
mode
is
executed.
None
Open the battery
cover.
Performs repeat playback and checks for audio
playback errors.
10
SV-SD100VEB / SV-SD100VEG / SV-SD100VGC / SV-SD100VGK / SV-SD100VGN / SV-SD100VPP