Read Sony NWZ-A844 / NWZ-A845 / NWZ-A846 / NWZ-A847 Service Manual online
NWZ-A844/A845/A846/A847
13
4-2-5. CH separation (L-ch) check (SEPLR)
“1 kHz 0 dBs L-ch VOLUME: 25” audio signal is outputted.
“1 kHz 0 dBs L-ch VOLUME: 25” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press
1. Enter the test mode.
2. Press
the
[
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “SEPLR”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch VOLUME: 25” audio
signal is outputted.
Screen display
AUDIO SEPLR
1kHz 0dBs Lch
1kHz 0dBs Lch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
4-2-6. CH separation (R-ch) check (SEPRL)
“1 kHz 0 dBs R-ch VOLUME: 25” audio signal is outputted.
“1 kHz 0 dBs R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press
1. Enter the test mode.
2. Press
the
[
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “SEPRL”.
4. Press
the
[
u
] key, “1 kHz 0 dBs R-ch VOLUME: 25” audio
signal is outputted.
Screen display
AUDIO SEPRL
1kHz 0dBs Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
4-2-7. Maximum output check (MAXOUT)
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” (Headphone output when
AVLS operates: “1 kHz 0 dBs L-ch/R-ch VOLUME: 14”) audio
signal is outputted.
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” (Headphone output when
AVLS operates: “1 kHz 0 dBs L-ch/R-ch VOLUME: 14”) audio
signal is outputted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “MAXOUT”.
4. Press
the
[
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 30”
(Headphone output when AVLS operates: “1 kHz 0 dBs L-
ch/R-ch VOLUME: 14”) audio signal is outputted.
ch/R-ch VOLUME: 14”) audio signal is outputted.
Screen display
AUDIO MAXOUT
1kHz 0dBs L/Rch
1kHz 0dBs L/Rch
HPOUT [ VOL: 30 ]
AVLS OFF
START
5. In this state, each time the [
B
] key is pressed, AVLS on/off
switch is performed.
6. Press the [BACK] key, return to minor item selection screen.
4-2-8. Normalizer check (NMLZR)
“1 kHz –24 dBs L-ch/R-ch VOLUME: 30” audio signal is output-
ted.
“1 kHz –24 dBs L-ch/R-ch VOLUME: 30” audio signal is output-
ted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “NMLZR”.
4. Press
the
[
u
] key, “1 kHz –24 dBs L-ch/R-ch VOLUME: 30”
audio signal is outputted.
Screen display
AUDIO NMLZR
1kHz –24dBs L/Rch
HPOUT [ VOL: 30 ]
START
5. Press the [BACK] key, return to minor item selection screen.
Click on the first or last page to see other NWZ-A844 / NWZ-A845 / NWZ-A846 / NWZ-A847 service manuals if exist.