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8.3. SERVICE 1: EL Display Mode
Switching
Because the display content must be checked during service
mode execution, the EL display is always ON at this menu.
1. Execute the SERVICE 1 menu as described in section 8.2
mode execution, the EL display is always ON at this menu.
1. Execute the SERVICE 1 menu as described in section 8.2
(Entering The Service Mode), and display the EL display
mode switching screen (Fig.S3).
mode switching screen (Fig.S3).
2. Use the [FWD-Skip] and [REW-Skip] buttons to select
"ON", and then press the [PLAY/STOP] button to execute
display mode switching.
display mode switching.
Note:
Another SERVICE mode should be executed within 15
seconds after switching is performed. If the auto power OFF
function is activated, the system returns to the "display
ON/OFF control enabled" mode.
seconds after switching is performed. If the auto power OFF
function is activated, the system returns to the "display
ON/OFF control enabled" mode.
Fig.S3
8.4. SERVICE 2: Device Key Serial
Number. Display
This display is used to verify that the device key is written to the
main PCB´s IC4 (Flash ROM) without error.
If the device key serial number fails to display, there is a
problem with the IC4 (Flash ROM). As the IC4 (Flash ROM)
cannot be replaced independently, replace the main PCB with
a device key loaded PCB (REP3902A-M).
Note: Main PCB replacement should be performed with
reference to section 7 (Precautions When Executing The
Main PCB Replacement Service).
1. Execute the "8.3 SERVICE 1: EL Display Mode Switching"
main PCB´s IC4 (Flash ROM) without error.
If the device key serial number fails to display, there is a
problem with the IC4 (Flash ROM). As the IC4 (Flash ROM)
cannot be replaced independently, replace the main PCB with
a device key loaded PCB (REP3902A-M).
Note: Main PCB replacement should be performed with
reference to section 7 (Precautions When Executing The
Main PCB Replacement Service).
1. Execute the "8.3 SERVICE 1: EL Display Mode Switching"
procedure so that EL is always ON.
2. Execute the SERVICE 2 menu as described in section 8.2
(Entering The Service Mode), in order to display 5 bytes of
the device key serial number. (Fig.S4).
the device key serial number. (Fig.S4).
3. Turn the power OFF to complete the procedure.
Fig.S4
Menu Item
Service Mode
Description
Operation After
Menu Selection
Buttons Used
Canceling The
Service Mode
Service Mode Function
SERVICE 10
Checks
the
voice playback
operation.
operation.
Service
mode
is
executed.
None
Open the battery
cover.
cover.
Performs repeat playback and checks for voice
playback errors.
playback errors.
SERVICE 11
Checks
the
voice recording
operation.
operation.
Service
mode
is
executed.
None
Open the battery
cover.
cover.
Repeats the "SD-card formatting, full recording
(recording until card´s capacity is completely used),
and playback" procedure, and checks for voice
recording errors.
(recording until card´s capacity is completely used),
and playback" procedure, and checks for voice
recording errors.
SERVICE 12
Checks the FM
recording
operation.
recording
operation.
After tuner tuning,
Service
Service
mode
is
executed.
[FWD-Skip],
[REW-Skip],
[PLAY/STOP]
(during
[REW-Skip],
[PLAY/STOP]
(during
tuner
tuning only)
Open the battery
cover.
cover.
Performs "FM radio reception, repeats the "SD-card
formatting, full recording (recording until card´s
capacity is completely used), recording, and
playback" procedure, and checks for FM recording
errors.
formatting, full recording (recording until card´s
capacity is completely used), recording, and
playback" procedure, and checks for FM recording
errors.
SERVICE 13
Performs
a
device check.
Service
mode
is
executed.
None
Open the battery
cover.
cover.
Checks for malfunctions at the main PCB´s IC8 and
IC4, and peripheral circuitry.
IC4, and peripheral circuitry.
* 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 SERVICE 5, 6, 7.
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 SERVICE 5, 6, 7.
11
SV-SD100VEB / SV-SD100VEG / SV-SD100VGC / SV-SD100VGK / SV-SD100VGN / SV-SD100VPP
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