Read Sony NW-A805 / NW-A806 / NW-A808 / NWZ-A815 / NWZ-A816 / NWZ-A818 Service Manual online
16
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
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
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
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
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
VIDEO
OTHER
CLOCK
SHUTDOWN
KEY
EXITTEST
FORMAT
DEST
SPSET
FWVER
NCAPCHK
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
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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