Sony NWZA816P - DIGITAL MEDIA PLAYER/MP3 PLAYER Service Manual page 15

4-2-5. CH separation (L-ch) check
"1 kHz 0 dBs L-ch VOLUME: 25" audio signal is outputted.
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 "SEPLR".
v V
4. Press the key, "1 kHz 0 dBs L-ch VOLUME: 25" audio
u
signal is outputted.
liquid crystal display
AUDIO SEPLR
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
"1 kHz 0 dBs R-ch VOLUME: 25" audio signal is outputted.
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 "SEPRL".
v V
4. Press the key, "1 kHz 0 dBs R-ch VOLUME: 25" audio
u
signal is outputted.
liquid crystal display
AUDIO SEPRL
1kHz 0dBs Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
NW-A805/A806/A808/NWZ-A815/A816/A818
4-2-7. Maximum output check
"1 kHz 0 dBs L-ch/R-ch VOLUME: 30" (Headphone output when
AVLS operates: "1 kHz 0 dBs L-ch/R-ch VOLUME: 13") audio sig-
nal is outputted.
Checking method:
B
1. Enter the test mode.
2. Press the /
v V
key to enter the minor item.
3. Press the / key to select the "MAXOUT".
v V
4. Press the key, "1 kHz 0 dBs L-ch/R-ch VOLUME: 30"
u
(Headphone output when AVLS operates: "1 kHz 0 dBs L-ch/
R-ch VOLUME: 13") audio signal is outputted.
liquid crystal display
AUDIO MAXOUT
1kHz 0dBs L/Rch
HPOUT [ VOL: 30 ]
AVLS OFF
START
5. In this state, each time the [OPTION] 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
B
"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 /
v V
key to enter the minor item.
3. Press the / key to select the "NMLZR".
v V
4. Press the key, "1 kHz –24 dBs L-ch/R-ch VOLUME: 30"
u
audio signal is outputted.
liquid crystal display
AUDIO NMLZR
1kHz –24dBs L/Rch
HPOUT [ VOL: 30 ]
START
5. Press the [BACK] key, return to minor item selection screen.
key to select the "AUDIO", and press the
key to select the "AUDIO", and press the
B
B
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