NW-A805/A806/A808/NWZ-A815/A816/A818
SECTION 4
TEST MODE
Note: Information on the test mode must correspond in enough securi- ty. When the leakage has been revealed by any chance, the source of information is specified.
1. SETTING THE TEST MODE
Note: Perform the test mode in the state of 3.6 V or more in the battery voltage.
Setting method:
1.Turn the power on.
2.Press the [BACK] key for 1.5 seconds or more, the home menu is displayed.
3.Slide the [HOLD] key to set the hold on.
4.While pressing the [OPTION] key, press the key as follow-
ing order.
v → B → V → b → v → u → v → b → V → B → v → u
5.The set reboots when the [HOLD] key is slided to set the hold off, and the color bar is displayed in the liquid crystal display.
6.Enter the test mode when the [BACK] key is pressed in the
state of step 5.
Note: The destination setting and sound pressure regulation set- ting cannot be executed by this test mode.
2.RELEASING THE TEST MODE
1.Display the major item selection screen.
2.Press the v / V key to select the “EXITTEST”, and press the B key to select the “SURE ?”.
3.Press the u key, turn the power off and release the test mode.
3.CONFIGURATION OF THE TEST MODE
4-1-1. Power supply voltage check
This mode is used in case power supply voltage in the state where all power supply lines are starting is checked.
Checking method:
1.Enter the test mode.
2.Press the v / V key to select the “POWER”, and press the B key to enter the minor item.
3.Press the v / V key to select the “VCHK”.
4.Press the u key, all power supply lines are started.
liquid crystal display
POWER VCHK
START
In this state, the power supply voltage of each power supply line can be confirmed by measuring the voltage.
5. Press the [BACK] key, return to minor item selection screen.
Major item
[B] key |
| [b] key |
|
|
|
Minor item
[u] key
Start | [BACK] key |
|
|
Automatic
Finish
or
Result
Major item switching: [v]/ [V] key
Minor item switching: [v]/ [V] key
4-1-2. Consumption current (audio playback) check
This mode is used in case consumption current (audio playback) is checked in the state where “1 kHz 0 dBs
Checking method:
1.Enter the test mode.
2.Press the v / V key to select the “POWER”, and press the B key to enter the minor item.
3.Press the v / V key to select the “ACHK”.
4.Press the u key, “1 kHz 0 dBs
liquid crystal display
POWER ACHK
4.OPERATION OF THE TEST MODE 4-1. Power
liquid crystal display
MPTAPP MENU
POWER VCHK
AUDIO ACHK
VIDEO DSVCHK
OTHER CHGCHK
SHUTDOWN BATTCHK
EXITTEST
1kHz 0dBs L/Rch HPOUT [ VOL: 15 ]
START
5.In this state, each time the [OPTION] key is pressed, LCD back light on/off switch is performed.
6.Press the [BACK] key, return to minor item selection screen.
12