Read Sony NWZ-S754 / NWZ-S755 Service Manual online
NWZ-S754/S755
26
4-8-4. Direct recording format select (FORMAT)
Note: Not used for the servicing.
4-8-5. Built-in microphone check (MICCHK)
In this mode, the built-in microphone is checked.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “DIREC”, and press the [
B
]
key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “MICCHK”.
4. Press the [
u
] key, the
built-in microphone check
is begun. In
this state, the sound that the built-in microphone perceived is
outputted from the headphone.
outputted from the headphone.
Screen display
MIC -> HP
[ VOL: 25 ]
5. Press the [BACK] key, return to minor item selection screen.
4-9. FM
Screen display
MPTAPP (X.XX.XX)
POWER
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM — RCVCHK
NC
SHUTDOWN
EXITTEST
SHUTDOWN
EXITTEST
4-9-1. Reception output check (RCVCHK)
FM tuning checked.
FM tuning checked.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “FM”, and press the [
B
]
key to select the “RCVCHK”.
3. Press the [
u
] key, “90.00 MHz” is displayed.
Screen display
FM RCVCHK
90.00 MHz
[VOL : 30]
[RSSI : XX]
[Sense-H : XX]
[Sense-L : XX]
4. In this state, each time the [
b
] key is pressed, frequency is
changes in the following order.
90.00 MHz (default)
→ 76.00 MHz → 95.75 MHz → 107.75
MHz
→ 87.50 MHz → 98.00 MHz → 108.00 MHz → 100.00
MHz
5. In this state, each time the [
B
] key is pressed, the LCD back-
light brightness is switched.
6. In this state, each time the [OPTION] key is pressed, color bar
is displayed.
7. In this state, slide the [HOLD] key from OFF to ON. Each time
the [
B
]/[
b
] keys are pressed, frequency changes in 0.05 MHz.
8. Press the [BACK] key, return to minor item selection screen.
4-10. Noise canceller (NC)
Screen display
MPTAPP (X.XX.XX)
POWER
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM
NC GAIN-L
SHUTDOWN GAIN-R
EXITTEST NCHPCHK
EXITTEST NCHPCHK
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