DOWNLOAD Sony NW-A805 / NW-A806 / NW-A808 / NWZ-A815 / NWZ-A816 / NWZ-A818 Service Manual ↓ Size: 1.63 MB | Pages: 52 in PDF or view online for FREE

Model
NW-A805 NW-A806 NW-A808 NWZ-A815 NWZ-A816 NWZ-A818
Pages
52
Size
1.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nw-a805-nw-a806-nw-a808-nwz-a815-nwz-a816-nwz-a818.pdf
Date
PREV: Sony CMT-DH3 / CMT-DH5BT / CMT-DH7BT / SS-CDH3 / SS-CDH5 Service Manual

Sony NW-A805 / NW-A806 / NW-A808 / NWZ-A815 / NWZ-A816 / NWZ-A818 Service Manual ▷ View online

13
NW-A805/A806/A808/NWZ-A815/A816/A818
4-1-3. Standby current check
This mode is used in case standby current is checked.
Checking method:
1. Enter the test mode.
2. Press the 
v
 / 
V
 key to select the “POWER”, and press the 
B
key to enter the minor item.
3. Press the 
v
 / 
V
 key to select the “DSVCHK”.
4. Press the 
u
 key, enter the state of the deep sleep.
5. Press the [BACK]
 
key, release the state of the deep sleep.
liquid crystal display
POWER DSVCHK
OK
6. Press the [BACK]
 
key, return to minor item selection screen.
4-1-4. Charge current check
This mode is used in case charge current is checked.
Checking method:
1. Enter the test mode.
2. Press the 
v
 / 
V
 key to select the “POWER”, and press the 
B
key to enter the minor item.
3. Press the 
v
 / 
V
 key to select the “CHGCHK”.
4. Press the 
u
 key, the charge setting is displayed.
liquid crystal display
POWER CHGCHK
AC
AC
5. In this state, each time the [OPTION]
 
key is pressed, the port
setting for the charge is changed as shown in the table below.
Port control
Display CHG_XCHGEN CHG_PEN
CHG_PEN2
AC
L
H
H
USB500
L
H
H
USB100
L
H
L
6. Press the [BACK]
 
key, return to minor item selection screen.
4-1-5. Battery voltage check
This mode is used in case battery voltage is checked.
Checking method:
1. Enter the test mode.
2. Press the 
v
 / 
V
 key to select the “POWER”, and press the  
B
key to enter the minor item.
3. Press the 
v
 / 
V
 key to select the “BATTCHK”.
4. Press the 
u
 key, the battery voltage is displayed.
When the battery voltage cannot be confirmed, “ERROR” is
displayed.
liquid crystal display
POWER BATTCHK
X.XXXV
X.XXXV: Battery voltage
6. Press the [BACK]
 
key, return to minor item selection screen.
4-2. Audio
While playing the audio track, it's in a repeat state. If [BACK]
 
key is
pressed, it’s stopped.
Press the
 
[VOL +]
 
key to switch the HP/LINE.
liquid crystal display
MPTAPP MENU
POWER
AUDIO
OUTPUT
VIDEO
SN
OTHER
F1
SHUTDOWN
F2
EXITTEST
SEPLR
SEPRL
MAXOUT
NMLZR
SPCHK
14
NW-A805/A806/A808/NWZ-A815/A816/A818
4-2-1. Output check
“1 kHz 0 dBs L-ch/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 “OUTPUT”.
4. Press the 
u
  key,  “1  kHz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
liquid crystal display
AUDIO OUTPUT
1kHz 0dBs L/Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK]
 
key, return to minor item selection screen.
4-2-2. S/N check
“Infinity Zero VOLUME: 30” 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 “SN”.
4. Press the  
u
 key, “Infinity Zero VOLUME: 30” audio signal
is outputted.
liquid crystal display
AUDIO SN
Infinity Zero
HPOUT [ VOL: 30 ]
START
5. Press the [BACK]
 
key, return to minor item selection screen.
4-2-3. Frequency characteristic 1 check
“20 Hz 0 dBs L-ch/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 “F1”.
4. Press the 
u
  key,  “20 Hz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
liquid crystal display
AUDIO F1
20Hz 0dBs L/Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK]
 
key, return to minor item selection screen.
4-2-4. Frequency characteristic 2 check
“20 kHz 0 dBs L-ch/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 “F2”.
4. Press the 
u
  key, “20 kHz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
liquid crystal display
AUDIO F2
20kHz 0dBs L/Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK]
 
key, return to minor item selection screen.
15
NW-A805/A806/A808/NWZ-A815/A816/A818
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 sig-
nal 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.
16
NW-A805/A806/A808/NWZ-A815/A816/A818
4-2-9. Sound pressure regulation level check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” 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 “SPCHK”.
4. Press the 
u
  key,  “1 kHz 0 dBs L-ch/R-ch VOLUME: 30”
audio signal is outputted.
liquid crystal display
AUDIO SPCHK
1kHz 0dBs L/Rch
HPOUT [ VOL: 30 ]
START
5. Press the [BACK]
 
key, return to minor item selection screen.
4-3. Video
liquid crystal display
MPTAPP MENU
POWER
AUDIO
VIDEO
LCD
OTHER
SHUTDOWN
EXITTEST
4-3-1. LCD display check
Liquid crystal display is checked.
Checking method:
1. Enter the test mode.
2. Press the  
v
 / 
V
  key to select the “VIDEO”, and press the  
B
key to select the “LCD”.
3. Press the u key, all black is displayed on the liquid crystal
display.
4. In this state, each time the [OPTION]
 
key is pressed, the screen
display changes in the following order.
All black (default) 
→ All red → All green → All blue → All
white 
→ Color bar → Maximum drawing size confirmation
Maximum drawing size confirmation:
All blue (All sides are red) is displayed. Whether red in all
sides is seen is confirmed.
4. In this state, each time the [VOL ---]
 
key is pressed, LCD back
light brightness min/max/middle switch is performed.
5. Press the [BACK]
 
key, return to minor item selection screen.
4-4. Other
liquid crystal display
MPTAPP MENU
POWER
AUDIO
VIDEO
OTHER
CLOCK
SHUTDOWN
KEY
EXITTEST
FORMAT
DEST
SPSET
FWVER
NCAPCHK
4-4-1. Clock check
The movement of an internal clock is confirmed.
Checking method:
1. Enter the test mode.
2. Press the 
v
 / 
V
 key to select the “OTHER”, and press the  
B
key to enter the minor item.
3. Press the 
v
 / 
V
 key to select the “CLOCK”.
4. Press the 
u
 key, date and time are displayed.
liquid crystal display
OTHER CLOCK
XX, XX XX XXXX
##:##:##.######
START
XX, XX XX XXXX
: Date
##:##:##.######
: Time
“START” changes into “OK” if the movement of an internal
clock is confirmed.
5. Press the [BACK]
 
key, return to minor item selection screen.
Page of 52
Display

Click on the first or last page to see other NW-A805 / NW-A806 / NW-A808 / NWZ-A815 / NWZ-A816 / NWZ-A818 service manuals if exist.

RANDOM: