Sony NW-A1000 Service Manual ▷ View online
13
NW-A1000
9. Press the [ ]
v
/ [ ]
V
key to select the “EQ 3”.
EL display
EQ 3
10. Press the [ ]
u
key, “START” is displayed and “630 Hz –20
dBs L-ch/R-ch VOLUME: 30” audio signal is outputted. In
the state, each time [OPTION]
the state, each time [OPTION]
key is pressed, EQ LEVEL MAX/
MIN/OFF switch is performed.
EL display
START
11. Press the [BACK]
key, return to minor item selection screen.
12. Press the [ ]
v
/ [ ]
V
key to select the “EQ 4”.
EL display
EQ 4
13. Press the [ ]
u
key, “START” is displayed and “1.6 kHz –20
dBs L-ch/R-ch VOLUME: 30” audio signal is outputted. In
the state, each time [OPTION]
the state, each time [OPTION]
key is pressed, EQ LEVEL MAX/
MIN/OFF switch is performed.
EL display
START
14. Press the [BACK]
key, return to minor item selection screen.
15. Press the [ ]
v
/ [ ]
V
key to select the “EQ 5”.
EL display
EQ 5
16. Press the [ ]
u
key, “START” is displayed and “4 kHz –20 dBs
L-ch/R-ch VOLUME: 30” audio signal is outputted. In the state,
each time [OPTION]
each time [OPTION]
key is pressed, EQ LEVEL MAX/MIN/
OFF switch is performed.
EL display
START
17. Press the [BACK]
key, return to minor item selection screen.
18. Press the [ ]
v
/ [ ]
V
key to select the “EQ 6”.
EL display
EQ 6
19. Press the [ ]
u
key, “START” is displayed and “10 kHz –20
dBs L-ch/R-ch VOLUME: 30” audio signal is outputted. In
the state, each time [OPTION]
the state, each time [OPTION]
key is pressed, EQ LEVEL MAX/
MIN/OFF switch is performed.
EL display
START
20. Press the [BACK]
key, return to minor item selection screen.
5-2-7. BEEP check
BEEP sound is outputted.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “AUDIO”.
EL display
AUDIO
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “BEEP”.
EL display
BEEP
4. Press the [ ]
u
key, “START” is displayed and BEEP sound is
outputted.
EL display
START
5. Press the [BACK]
key, return to minor item selection screen.
5-2-8. Sound pressure regulation level check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “AUDIO”.
EL display
AUDIO
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “SPL”.
EL display
SPL
4. Press the [ ]
u
key, “START” is displayed and “1 kHz 0 dBs
L-ch/R-ch VOLUME: 30” audio signal is outputted.
EL display
START
5. Press the [BACK]
key, return to minor item selection screen.
14
NW-A1000
5-3. Others
5-3-1. G-sensor check
5-3-1. G-sensor check
X/Y/Z-axis direction is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “G TEST”.
EL display
G TEST
4. Press the [ ]
u
key, X-axis direction is displayed. (Press the
[BACK]
key, return to minor item selection screens)
EL display
X: ***
***
: A/D value (hexadecimal)
Note: “
NG
”
is displayed when the G-sensor has broken (Press the
[BACK]
key, return to minor item selection screens).
EL display
NG
5. Press the [ ]
u
key, Y-axis direction is displayed. (Press the
[BACK]
key, return to minor item selection screens)
EL display
Y: ***
***
: A/D value (hexadecimal)
6. Press the [ ]
u
key, Z-axis direction is displayed. (Press the
[BACK]
key, return to minor item selection screens)
EL display
Z: ***
***
: A/D value (hexadecimal)
7. Press the [BACK]
key, return to minor item selection screen.
5-3-2. Clock check
Clock operation is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “CLOCK”.
EL display
CLOCK
4. Press the [ ]
u
key, “START” is displayed. Then “OK” or “NG”
is displayed automatically.
EL display
START
r
OK
5. Press the [BACK]
key, return to minor item selection screen.
5-3-3. Key check
EL display corresponding to the pressed key is performed.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “KET CH”.
EL display
KEY CH
15
NW-A1000
4. Press the [ ]
u
key, START” is displayed and EL display
corresponding to the pressed key is performed.
Press on all the keys displays “SET OK”.
Key
EL display
[ ]
u
PLAY
[BACK]
BACK
[OPTION]
MENU
[ ]
B
FF
[ ]
b
REW
[ ]
v
UP
[ ]
V
DOWN
[VOL +]
VOL+
[VOL --]
VOL–
[LINK]
DISCOV
5. Press the [HOLD] key to turn the hold on. Press the [HOLD] key
again to turn the hold off, “FMTOK?” is displayed.
EL display
FMTOK?
6. Press the [ ]
u
key, format of hard disk drive is performed. (press
the [BACK] key, return to minor item selection screens)
Then “OK” or “NG” is displayed automatically.
7. Press the [BACK]
key, return to minor item selection screen.
5-3-4. OEL display check
EL display is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “OEL1”.
EL display
OEL1
4. Press the [ ]
u
key, EL all segments turned on.
5. Press the [BACK]
key, return to minor item selection screen.
6. Press the [ ]
v
/ [ ]
V
key to select the “OEL2”.
EL display
OEL2
7. Press the [ ]
u
key, EL all segments turned off.
8. Press the [BACK]
key, return to minor item selection screen.
9. Press the [ ]
v
/ [ ]
V
key to select the “OEL3”.
EL display
OEL3
10. Press the [ ]
u
key, monochrome lattice is displayed on the EL.
11. Press the [BACK]
key, return to minor item selection screen.
12. Press the [ ]
v
/ [ ]
V
key to select the “OEL4”.
EL display
OEL4
13. Press the [ ]
u
key, monochrome lattice (reverse version of step
10) is displayed on the EL.
14. Press the [BACK]
key, return to minor item selection screen.
5-3-5. G-sensor adjustment
X/Y/Z-axis direction is adjusted.
Adjustment method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “G CLB”.
EL display
G CLB
4. Press the [ ]
u
key, “–Z” is displayed. Main unit is fixed so
that 6 of fig.1 may become downward and press the [ ]
u
key.
EL display
-Z
5. “–Y” is displayed. Main unit is fixed so that 4 of fig.1 may
become downward and press the [ ]
u
key.
EL display
-Y
6. “–X” is displayed. Main unit is fixed so that 2 of fig.1 may
become downward and press the [ ]
u
key.
EL display
-X
7. “+Z” is displayed. Main unit is fixed so that 5 of fig.1 may
become downward and press the [ ]
u
key.
EL display
+Z
16
NW-A1000
8. “+X” is displayed. Main unit is fixed so that 1 of fig.1 may
become downward and press the [ ]
u
key.
EL display
+X
9. “+Y” is displayed. Main unit is fixed so that 3 of fig.1 may
become downward and press the [ ]
u
key.
EL display
+Y
10. “CALIB” is displayed. Press the [ ]
u
key, G-sensor is adjusted.
Then “FIN”, “DAT NG” or “SEN NG” is displayed automatically.
(Press the [BACK]
(Press the [BACK]
key, return to minor item selection screens)
EL display
CALIB
r
FIN
FIN
: Normally completing.
DAT NG : The data for performing a calibration is faulty.
SEN NG : The value acquired from the G-sensor is faulty.
SEN NG : The value acquired from the G-sensor is faulty.
11. The offset and the sensitivity of each axis are displayed by
pressing the [ ]
u
key when normally completing in order of X,
Y and Z.
EL display
*** ##
***
: offset,
##:
sensitivity
12. Press the [BACK]
key, return to minor item selection screen.
5-3-6. G-sensor adjustment check
This mode checks that G-sensor adjustment is performed or not
performed.
performed.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[ ]
B
key to display major item, and press the [ ]
v
/ [ ]
V
key to select the “OTHERS”.
EL display
OTHERS
3. Press the
[ ]
B
key to display minor item, and press the [ ]
v
/ [ ]
V
key to select the “G CHK”.
EL display
G CHK
4. Press the [ ]
u
key, “START” is displayed. Then “OK” or “YET”
is displayed automatically.
EL display
START
r
OK
5. Press the [BACK]
key, return to minor item selection screen.
4
2
5
3
1
6
Fig.1 Axis direction of G-sensor adjustment
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