Sony NW-ZX300 Service Manual page 39

4-2-4. Frequency response check 2 (Frequency check2)
It can be output the "Sampling rate: 44.1 kHz/Frequency: 20 kHz
(L/R-ch)/Bit rate: 16 bit" audio signal for the frequency response
check.
Procedure:
1. Enter the test mode.
(Refer to "1. SETTING THE TEST MODE" on page 35)
2. Press the [+]/[–] keys to select the "Audio", and press the [
or [ ] key to enter the minor item.
>
3. Press the [+]/[–] keys to select the "Frequency check2".
4. Press the [ ] key, the audio signal output screen is displayed.
u
Screen display
Audio frequency-2
(AUD F2LR command)
sampling [ 44100]
bit rate [16]
freq(R) [20000]
freq(L) [20000]
play time [10]
output [SE]
volume [ 90]
5. Press the [ ] key, and output an audio signal using the set-
u
tings selected.
6. Slide the [HOLD] switch in the direction of on, to return to
minor item selection screen.
4-2-5. CH separation (L-ch) check (Separation-L check)
It can be output the "Sampling rate: 44.1 kHz/Frequency: 1 kHz
(L-ch)/Bit rate: 16 bit" audio signal for the separation (L-ch) check.
Procedure:
1. Enter the test mode.
(Refer to "1. SETTING THE TEST MODE" on page 35)
2. Press the [+]/[–] keys to select the "Audio", and press the [
or [ ] key to enter the minor item.
>
3. Press the [+]/[–] keys to select the "Separation-L check".
4. Press the [ ] key, the audio signal output screen is displayed.
u
Screen display
Ch separation (L)
(AUD SEPL command)
sampling [ 44100]
bit rate [16]
freq(R) [ 0]
freq(L) [ 1000]
play time [10]
output [SE]
volume [ 90]
5. Press the [ ] key, and output an audio signal using the set-
u
tings selected.
6. Slide the [HOLD] switch in the direction of on, to return to
minor item selection screen.
u
The format of the
audio signal output
Item of key input settings
u
The format of the
audio signal output
Item of key input settings
4-2-6. CH separation (R-ch) check (Separation-R check)
It can be output the "Sampling rate: 44.1 kHz/Frequency: 1 kHz
(R-ch)/Bit rate: 16 bit" audio signal for the separation (R-ch)
check.
Procedure:
1. Enter the test mode.
(Refer to "1. SETTING THE TEST MODE" on page 35)
] 2. Press the [+]/[–] keys to select the "Audio", and press the [
or [ ] key to enter the minor item.
>
3. Press the [+]/[–] keys to select the "Separation-R check".
4. Press the [ ] key, the audio signal output screen is displayed.
u
Screen display
Ch separation (R)
(AUD SEPR command)
sampling [ 44100]
bit rate
freq(R) [ 1000]
freq(L) [
play time
output
volume
5. Press the [ ] key, and output an audio signal using the set-
u
tings selected.
6. Slide the [HOLD] switch in the direction of on, to return to
minor item selection screen.
4-2-7. Maximum output check (Max output check)
It can be output the "Sampling rate: 44.1 kHz/Frequency: 1 kHz
(L/R-ch)/Bit rate: 16 bit/Volume: 120" audio signal for the maxi-
mum output check.
Procedure:
1. Enter the test mode.
] (Refer to "1. SETTING THE TEST MODE" on page 35)
2. Press the [+]/[–] keys to select the "Audio", and press the [
or [ ] key to enter the minor item.
>
3. Press the [+]/[–] keys to select the "Max output check".
4. Press the [ ] key, the audio signal output screen is displayed.
u
Screen display
Audio output (max)
(AUD MAXO command)
sampling [ 44100]
bit rate
freq(R) [ 1000]
freq(L) [ 1000]
play time
output
volume
5. Press the [ ] key, and output an audio signal using the set-
u
tings selected.
Note: This test item can not change the volume. It has been fi xed at the
maximum value (120).
6. Slide the [HOLD] switch in the direction of on, to return to
minor item selection screen.
NW-ZX300/ZX300A
The format of the
[16]
audio signal output
0]
[10]
[SE]
Item of key input settings
[ 90]
The format of the
[16]
audio signal output
[10]
[SE]
Item of key input settings
[120]
]
u
]
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