Sony NWZE436FR Service Manual page 15

4-2-9. Sound pressure regulation level check
"1 kHz 0 dBs L-ch/R-ch VOLUME: 30" audio signal is outputed.
Checking method:
1. Enter the test mode.
2. Press the [ ]/[ ] key to select the "AUDIO", and press the [
v V
key to enter the minor item.
3. Press the [ ]/[ ] key to select the "SPCHK".
v V
4. Press the [ ] key, "1 kHz 0 dBs L-ch/R-ch VOLUME: 30"
u
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
CLESTE
DAC
FM
SHUTDOWN
EXITTEST
4-3-1. LCD display check
Liquid crystal display is checked.
Checking method:
1. Enter the test mode.
2. Press the [ ]/[ ] key to select the "VIDEO", and press the [
v V
key to select the "LCD".
3. Press the [ ] key, all black is displayed on the liquid crystal
u
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 (white)
Maximum drawing size confi rmation:
All blue (All sides are red) is displayed. Whether red in all
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
B
MPTAPP MENU
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
FM
SHUTDOWN
EXITTEST
4-4-1. Clock check
The movement of an internal clock is confirmed.
Checking method:
1. Enter the test mode.
2. Press the [ ]/[ ] key to select the "OTHER", and press the [
v V
key to enter the minor item.
3. Press the [ ]/[ ] key to select the "CLOCK".
v V
4. Press the [ ] key, date and time are displayed.
u
liquid crystal display
CLOCK
XXXX/XX/XX
##:##:##
START
XXXX/XX/XX : 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.
]
B
4-4-2. Frequency check that presses key
The frequency to which the key is pressed, insert/pull out frequen-
cy of cradle and insert/pull out frequency of the headphone are
displayed.
Note: Not used for the servicing.
NWZ-E435F/E436F/E438F
CLOCK
KEYNUM
KEY
FORMAT
DEST
SPSET
FWVER
NCAPCHK
]
B
15