Read Sony NWZ-S543 / NWZ-S544 / NWZ-S545 Service Manual online
NWZ-S543/S544/S545
21
4-2-9. Sound pressure regulation level check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press
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
SPCHK
1kHz 0dBs Lch/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 LCD
AUDIO
VIDEO
OTHER
DEVICE
REC
FM
SHUTDOWN
EXITTEST
VIDEO
OTHER
DEVICE
REC
FM
SHUTDOWN
EXITTEST
4-3-1. LCD display check
Liquid crystal display is checked.
Liquid crystal display is checked.
Checking method:
1. Enter the test mode.
2. Press
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 confi rmation
→ diagonal gradation (red) → diagonal gradation (green) →
diagonal gradation (blue)
diagonal gradation (blue)
→ diagonal gradation (white)
Maximum drawing size confi rmation:
All blue (All sides are red) is displayed. Whether red in all
sides is seen is confi rmed.
sides is seen is confi rmed.
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
CLOCK
AUDIO
KEYNUM
VIDEO
KEY
OTHER
FORMAT
DEVICE
DEST
REC
FWVER
FM
NCAPCHK
SHUTDOWN QSHUTDW
EXITTEST MODEL
EXITTEST MODEL
4-4-1. Clock check
The movement of an internal clock is confirmed.
The movement of an internal clock is confirmed.
Checking method:
1. Enter the test mode.
2. Press
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
CLOCK
XXXX/XX/XX
##:##:##
RTC OK
XXXX/XX/XX
:
Date
##:##:##
:
Time
5. Press the [BACK] key, return to minor item selection screen.
4-4-2. Frequency check that presses key
The frequency to which the key is pressed is displayed.
The frequency to which the key is pressed is displayed.
Note: Not used for the servicing.
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