Read Sony NW-HD5H Service Manual online
12
NW-HD5H
5. Press the
u
key, “START” is displayed. Then automatically
reboot (DC power supply state) or sleep (battery power supply
state).
state).
6. After step 5, narrowing-down screen “Artist” is checked and
enter the test mode.
Audio test mode (5-2-1 to 5-2-9) is performed in this state.
5-2-1. Output check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 27” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
[>]
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “OUTPUT”.
4. Press the
u
key, “START” is displayed and “1 kHz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/ MENU]
each time [SEARCH/ MENU]
z
key is pressed, MUTE ON/OFF
switch is performed.
5. Press the
x
key, return to minor item selection screen.
5-2-2. S/N check
“Infinity Zero VOLUME: 27” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
[>]
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “SN”.
4. Press the
u
key, “START” is displayed and “Infinity Zero
VOLUME: 27” audio signal is outputted.
5. Press the
x
key, return to minor item selection screen.
5-2-3. Frequency characteristic check
“20 Hz/20 kHz/100 Hz/10 kHz 0 dBs L-ch/R-ch VOLUME: 27”
audio signal is outputted.
Checking method:
audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
[>]
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “F 1”.
4. Press the
u
key, “START” is displayed and “20 Hz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
5. Press the
x
key, return to minor item selection screen.
6. Press the [
E] [e] key to select the “F 2”.
7. Press the
u
key, “START” is displayed and “20 kHz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
8. Press the
x
key, return to minor item selection screen.
9. Press the [
E] [e] key to select the “F 3”.
10. Press the
u
key, “START” is displayed and “100 Hz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
11. Press the
x
key, return to minor item selection screen.
12. Press the [
E] [e] key to select the “F 4”.
13. Press the
u
key, “START” is displayed and “10 kHz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
14. Press the
x
key, return to minor item selection screen.
START
LCD display
AUDIO
LCD display
OUTPUT
LCD display
START
LCD display
AUDIO
LCD display
SN
LCD display
START
LCD display
AUDIO
LCD display
F 1
LCD display
START
LCD display
F 2
LCD display
START
LCD display
F 3
LCD display
START
LCD display
F 4
LCD display
START
LCD display
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