Read Sony NW-A1200 Service Manual online
14
NW-A1200
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.
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
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