Panasonic SV-SD350VGC Service Manual page 8

6.2.1. Service Mode Function & Canceling The Service Mode
Menu Item Service Mode
Description
SERVICE 1 Switches the
LCD display
mode.
(Backlight
always turns on)
SERVICE 2 Device key
serial number
display.
SERVICE 3 Control button
operation
checks and
remaining
battery capacity
display check.
SERVICE 4 Model and
region display.
SERVICE 5 Do not use this mode.
SERVICE 6 Do not use this mode.
SERVICE 7 Do not use this mode.
SERVICE 8 Card
recognition
check.
SERVICE 9 Checks the
audio playback
operation.
SERVICE 10 Checks the
*SV-SD350V voice playback
only operation.
SERVICE 11 Checks the
*SV-SD350V voice recording
only operation.
SERVICE 12 Checks the FM
*SV-SD350V recording
only operation.
SERVICE 13 Performs a
device check.
MODEL Model and
region setting.
* About service mode menu of SV-SD300
SV-SD300 cannot recording and playback of voice and FM. Therefore, the item of SERVICE 10, 11 and 12 is not used.
* Auto power OFF in operation check modes
Although the audio player is equipped with an auto power OFF function, this function is disabled when executing all operation
check mode menu functions except SERVICE 1.
An automatic power OFF which is unrelated to the auto power OFF function occurs at the completion of MODEL.
Operation After Buttons Used
Menu Selection
Returns to standard [+], [-],
screen. [PLAY/STOP]
Service mode is None
executed.
Service mode is [FWD-Skip],
executed. [REW-Skip],
[MODE], [MARK],
[+], [-]
(AD value
measurement)
Service mode is None
executed.
Service mode is None
executed.
Service mode is None
executed.
Service mode is None
executed.
Service mode is None
executed.
After tuner tuning, [FWD-Skip],
Service mode is [REW-Skip],
executed. [PLAY/STOP]
Service mode is None
executed.
Model and region [+], [-],
setting. [PLAY/STOP]
Canceling The
Service Mode
Turn power OFF, or Because the display content must be checked
switch back to LCD during service mode execution, the backlight is
display mode. always ON at this menu.
Turn power OFF. Verifies that the device key is written without error to
the main PCB's IC4 (Flash ROM).
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],[MARK], [+], [-] key operations.
The AD conversion value is used for button
operation checks and for the remaining battery
capacity display.
Turn power OFF. Displays the model and region information.
This content cannot be changed.
Open the battery Verifies that the SD-card (where audio file is saved)
cover. can be recognized.
Open the battery Performs repeat playback and checks for audio
cover. playback errors.
Open the battery Performs repeat playback and checks for voice
cover. playback errors.
Open the battery Repeats the "SD-card formatting, full recording
cover. (recording until card's capacity is completely used),
and playback" procedure, and then checks for voice
recording and playback errors.
Open the battery Performs "FM radio reception", repeats the "SD-card
cover. formatting, full recording (recording until card's
capacity is completely used), recording, and
playback" procedure, and then checks for FM
recording and playback errors.
Open the battery Checks for malfunctions at the main PCB's IC8 and
cover. IC4, and peripheral circuitry.
After completing Model and region information are rewritten, and it
the setting, power makes it to the default corresponding to them.
is automatically
turned OFF.
8
Service Mode Function