NW-A805/A806/A808/NWZ-A815/A816/A818

4-2-9. Sound pressure regulation level check

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

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

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) All red All green All blue All white Color bar Maximum drawing size confirmation

Maximum drawing size confirmation:

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

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

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

4-4. Other

liquid crystal display

MPTAPP MENU

POWER

AUDIO

VIDEO

OTHER CLOCK

SHUTDOWN KEY

EXITTEST FORMAT

DEST

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.

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Sony NW-A808, NW-A806 service manual Sound pressure regulation level check, Video, LCD display check, Other, Clock check