Sony Ericsson NWZ-A828K Sound pressure regulation level check, Video, Other, Clock check

4-2-9. Sound pressure regulation level check

“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is output- ted.

Checking method:

1.Enter the test mode.

2.Press the [v]/[V] key to select the “AUDIO”, and press the [B] key to enter the minor item.

3.Press the [v]/[V] key to select the “SPCHK”.

4.Press the [u] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.

liquid crystal display

AUDIO SPCHK

1kHz 0dBs L/Rch HPOUT [ VOL: 30 ]

START

5. Press the [BACK] key, return to minor item selection screen.

4-3. Video

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO — LCD

OTHER

CLESTE

DAC

BLUETOOTH

SHUTDOWN

EXITTEST

4-3-1. LCD display check Liquid crystal display is checked.

Checking method:

1.Enter the test mode.

2.Press the [v]/[V] key to select the “VIDEO”, and press the [B] key to select the “LCD”.

3.Press the [u] key, all black is displayed on the liquid crystal display.

4.In this state, each time the [OPTION] key is pressed, the screen display changes in the following order.

All black (default) → Color bar (standard) → Color bar (bright- ness minimum) → Color bar (brightness maxmum) → All red → All green → All blue → All white → Maximum drawing size confirmation → diagonal gradation (red) → diagonal gra- dation (green) → diagonal gradation (blue) → diagonal grada- tion (white)

Maximum drawing size confirmation:

All blue (All sides are red) is displayed. Whether red in all sides is seen is confirmed.

NWZ-A826/A826K/A828/A828K/A829

5.In this state, each time the [VOL –] key is pressed, LCD back light brightness min/max/middle switch is performed.

6.Press the [BACK] key, return to minor item selection screen.

4-4. Other

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO

OTHER CLOCK

CLESTE KEY

DAC KETYNUM

BLUETOOTH FORMAT

SHUTDOWN DEST

EXITTEST SPSET

FWVER

NCAPCHK

4-4-1. Clock check

The movement of an internal clock is confirmed.

Checking method:

1.Enter the test mode.

2.Press the [v]/[V] key to select the “OTHER”, and press the [B] key to enter the minor item.

3.Press the [v]/[V] key to select the “CLOCK”.

4.Press the [u] key, date and time are displayed.

liquid crystal display

OTHER CLOCK XX, XX XX XXXX ##:##:##.######

START

XX, XX XX XXXX : Date

##:##:##.###### : Time

“START” changes into “OK” if the movement of an internal clock is confirmed.

5. Press the [BACK] key, return to minor item selection screen.

13