Sony NWZA816P Service Manual - Page 16

Sound pressure regulation level check, Video, LCD display check, Other, Clock check

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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 SHUTDOWN EXITTEST CLOCK KEY 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. 16

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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
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.