NWZ-S715F, NWZ-S716F, NWZ-S718F - Sony Audio Service Manual (repair manual). Page 12

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NWZ-S715F/S716F/S718F
12

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 [
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “SEPLR”.
4.  Press the [
u
] key, “1 kHz 0 dBs L-ch VOLUME: 25” audio 
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 [
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “SEPRL”.
4.  Press the [
u
] key, “1 kHz 0 dBs R-ch VOLUME: 25” audio 
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.

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 
signal is outputted.

Checking method:
1.  Enter the test mode.
2.  Press the [
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key 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: 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
“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 select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “NMLZR”.
4.  Press the [
u
] key, “1 kHz – 24 dBs L-ch/R-ch VOLUME: 
30” 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.
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