Sony NW-HD1 Service Manual ▷ View online
9
NW-HD1
SECTION 4
TEST MODE
1. OUTLINE
For the LCD display, the LCD on the main unit is shown, but the
contents of LCD display on the remote commander are same.
Operation in the test mode is performed with the main unit. A key
having no particular description in the text, indicates a main unit key.
contents of LCD display on the remote commander are same.
Operation in the test mode is performed with the main unit. A key
having no particular description in the text, indicates a main unit key.
Power supply voltage : 3.65 to 3.75 V
Volume
Volume
: 24
SOUND EQ
: OFF
AVLS
: OFF
[HOLD] switch
: OFF
Set states
: horizontal states
2. SETTING THE TEST MODE
1. Supply power to the set.
2. Switch-on the [HOLD] switch on the main unit.
3. Operate as follows.
2. Switch-on the [HOLD] switch on the main unit.
3. Operate as follows.
•
When use only main unit
While pressing the [MODE] key on the main unit, press the key on
the main unit as following order.
the main unit as following order.
>
→
>
→
.
→
.
→
>
→
.
→
>
→
.
→
M
→
m
•
When use the main unit and remote commander
While pressing the [MODE] key on the main unit, press the key on
the remote commander as following order.
the remote commander as following order.
>
→
>
→
.
→
.
→
>
→
.
→
>
→
.
→
+
→
–
4. Switch-off the [HOLD] switch on the main unit and enter the
test mode.
3. RELEASING THE TEST MODE
Press the [SET UP] key on the main unit or
x
key on the remote
commander for 1.5 seconds or more, turn off the power and release
the test mode.
the test mode.
4. CONFIGURATION OF THE TEST MODE
Flow of the test mode:
5. OPERATION OF THE TEST MODE
5-1. Power
5-1-1. Power supply voltage check
5-1. Power
5-1-1. Power supply voltage check
This mode is used in case power supply voltage in the state where
all power supply lines (1.2 V/1.5 V/1.8 V/2.0 V/2.4 V/3.3 V/VSTBY/
VDC) are starting is checked.
Checking method:
all power supply lines (1.2 V/1.5 V/1.8 V/2.0 V/2.4 V/3.3 V/VSTBY/
VDC) are starting is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “POWER”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “V CHK”.
4. Press the
Bx
key, “START” is displayed and all power supply
lines are started.
5. Press the [MODE] key, “HD OFF/ON” is displayed. Each time
[MODE] key is pressed, hard disk drive power supply ON/OFF
switch is performed.
switch is performed.
6. Press the [SET UP] key, return to minor item selection screen.
5-1-2. Consumption current (read state) check
This mode is used in case consumption current (read state) in the
state where the hard disk drive has booted is checked.
Checking method:
state where the hard disk drive has booted is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “POWER”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “A RD”.
4. Press the
Bx
key, “READY?” is displayed. In this state, Each
time [MODE] key is pressed, EL back light ON/OFF switch is
performed.
performed.
<
key
,
key
Bx
key
F/W version display
Major item
<
M m
M m
key
,
key
Major item switching: key
Minor item switching: key
[SET UP]
key
Minor item
Finish
or
Result
Start
Automatic
V CHK
LCD display
START
LCD display
HD OFF/ON
LCD display
POWER
LCD display
A RD
LCD display
READY?
LCD display
POWER
LCD display
Ver 1.1
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NW-HD1
5. Press the
Bx
key, “READ” is displayed and hard disk drive
becomes read state.
After 10 seconds, “FIN” is displayed automatically and read
state is completed.
6. Press the [SET UP] key, return to minor item selection screen.
5-1-3. Consumption current (write state) check
This mode is used in case consumption current (write state) in the
state where the hard disk drive has booted is checked.
Checking method:
state where the hard disk drive has booted is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “POWER”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “A WR”.
4. Press the
Bx
key, “READY?” is displayed. In this state, Each
time [MODE] key is pressed, EL back light ON/OFF switch is
performed.
performed.
5. Press the
Bx
key, “WRITE” is displayed and hard disk drive
becomes write state.
After 10 seconds, “FIN” is displayed automatically and write
state is completed.
6. Press the [SET UP] key, return to minor item selection screen.
5-2. Audio
The
VOLUME +
key on the main unit or [PLAY MODE] on the remote
commander performs switch of HP/LINE.
While playing the audio track, it's in a repeat state. If
While playing the audio track, it's in a repeat state. If
Bx
key is
pressed, it’s stopped.
Setting method of the audio test mode:
Setting method of the audio test mode:
1. The data for audio test mode is copied to hard disk drive.
2. Enter the test mode.
3. Press the
2. Enter the test mode.
3. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
4. Press the
,
key to display minor item, and press the
M m
key to select the “TESTLD”.
5. Press the
Bx
key, “START” is displayed. Then automatically
reboot.
6. After reboot, narrowing-down screen “Artist” is checked and
enter the test mode.
Audio test mode (5-2-1 to 5-2-8) is performed in this state.
5-2-1. Output check
“1 kHz 0 dBs L-ch/R-ch” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “OUTPUT”.
4. Press the
Bx
key, “START” is displayed and “1 kHz 0 dBs
L-ch/R-ch” audio signal is outputted. In this state, Each time
[MODE] key is pressed, MUTE ON/OFF switch is performed.
[MODE] key is pressed, MUTE ON/OFF switch is performed.
5. Press the [SET UP] key, return to minor item selection screen.
5-2-2. S/N check
“Infinity Zero” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “SN”.
4. Press the
Bx
key, “START” is displayed and “Infinity Zero”
audio signal is outputted.
5. Press the [SET UP] key, return to minor item selection screen.
READ
LCD display
FIN
r
WRITE
LCD display
FIN
r
A WR
LCD display
READY?
LCD display
POWER
LCD display
AUDIO
LCD display
TESTLD
LCD display
START
LCD display
AUDIO
LCD display
OUTPUT
LCD display
START
LCD display
AUDIO
LCD display
SN
LCD display
START
LCD display
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NW-HD1
5-2-3. Frequency characteristic check
“20 Hz/20 kHz/100 Hz/10 kHz 0 dBs L-ch/R-ch” audio signal is
outputted.
Checking method:
outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “F 1”.
4. Press the
Bx
key, “START” is displayed and “20 Hz 0 dBs
L-ch/R-ch” audio signal is outputted.
5. Press the [SET UP] key, return to minor item selection screen.
6. Press the
6. Press the
M m key to select the “F 2”.
7. Press the
Bx
key, “START” is displayed and “20 kHz 0 dBs
L-ch/R-ch” audio signal is outputted.
8. Press the [SET UP] key, return to minor item selection screen.
9. Press the
9. Press the
M m key to select the “F 3”.
10. Press the
Bx
key, “START” is displayed and “100 Hz 0 dBs
L-ch/R-ch” audio signal is outputted.
11. Press the [SET UP] key, return to minor item selection screen.
12. Press the
12. Press the
M m key to select the “F 4”.
13. Press the
Bx
key, “START” is displayed and “10 kHz 0 dBs
L-ch/R-ch” audio signal is outputted.
14. Press the [SET UP] key, return to minor item selection screen.
AUDIO
LCD display
F 1
LCD display
START
LCD display
F 2
LCD display
START
LCD display
F 3
LCD display
START
LCD display
F 4
LCD display
START
LCD display
5-2-4. Channel separation check
“1 kHz 0 dBs L-ch/1 kHz 0 dBs R-ch” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “SEP LR”.
4. Press the
Bx
key, “START” is displayed and “1 kHz 0 dBs
L-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, V-SUR switch is performed.
key is pressed, V-SUR switch is performed.
5. Press the [SET UP] key, return to minor item selection screen.
6. Press the
6. Press the
M m key to select the “SEP RL”.
7. Press the
Bx
key, “START” is displayed and “1 kHz 0 dBs
R-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, V-SUR switch is performed.
key is pressed, V-SUR switch is performed.
8. Press the [SET UP] key, return to minor item selection screen.
5-2-5. Maximum output check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “MAXOUT”.
4. Press the
Bx
key, “START” is displayed and “1 kHz 0 dBs
L-ch/R-ch VOLUME: 30” audio signal is outputted. In this
state, Each time [MODE] key is pressed, AVLS ON/OFF switch
is performed.
state, Each time [MODE] key is pressed, AVLS ON/OFF switch
is performed.
5. Press the [SET UP] key, return to minor item selection screen
AUDIO
LCD display
SEP LR
LCD display
START
LCD display
SEP RL
LCD display
START
LCD display
AUDIO
LCD display
MAXOUT
LCD display
START
LCD display
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NW-HD1
5-2-6. SOUND EQ check
“100 Hz/250 Hz/630 Hz/1.6 kHz/4 kHz/10 kHz –20 dBs L-ch/R-
ch” audio signal is outputted.
Checking method:
ch” audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “EQ 1”.
4. Press the
Bx
key, “START” is displayed and “100 Hz –20 dBs
L-ch/R-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, EQ MAX/MIN switch is performed.
key is pressed, EQ MAX/MIN switch is performed.
5. Press the [SET UP] key, return to minor item selection screen.
6. Press the
6. Press the
M m key to select the “EQ 2”.
7. Press the
Bx
key, “START” is displayed and “250 Hz –20 dBs
L-ch/R-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, EQ MAX/MIN switch is performed.
key is pressed, EQ MAX/MIN switch is performed.
8. Press the [SET UP] key, return to minor item selection screen.
9. Press the
9. Press the
M m key to select the “EQ 3”.
10. Press the
Bx
key, “START” is displayed and “630 Hz –20 dBs
L-ch/R-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, EQ MAX/MIN switch is performed.
key is pressed, EQ MAX/MIN switch is performed.
11. Press the [SET UP] key, return to minor item selection screen.
12. Press the
12. Press the
M m key to select the “EQ 4”.
13. Press the
Bx
key, “START” is displayed and “1.6 kHz –20
dBs L-ch/R-ch” audio signal is outputted. In this state, Each
time [MODE] key is pressed, EQ MAX/MIN switch is performed.
time [MODE] key is pressed, EQ MAX/MIN switch is performed.
14. Press the [SET UP] key, return to minor item selection screen.
15. Press the
15. Press the
M m key to select the “EQ 5”.
16. Press the
Bx
key, “START” is displayed and “4 kHz –20 dBs L-
ch/R-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, EQ MAX/MIN switch is performed.
key is pressed, EQ MAX/MIN switch is performed.
17. Press the [SET UP] key, return to minor item selection screen.
18. Press the
18. Press the
M m key to select the “EQ 6”.
19. Press the
Bx
key, “START” is displayed and “10 kHz –20 dBs
L-ch/R-ch” audio signal is outputted. In this state, Each time [MODE]
key is pressed, EQ MAX/MIN switch is performed.
key is pressed, EQ MAX/MIN switch is performed.
20. Press the [SET UP] key, return to minor item selection screen.
5-2-7. BEEP check
BEEP sound is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “BEEP”.
4. Press the
Bx
key, “START” is displayed and BEEP sound is
outputted.
5. Press the [SET UP] key, return to minor item selection screen.
5-2-8. Sound pressure regulation level check
“1 kHz 0 dBs L-ch/R-ch” audio signal is outputted.
Checking method:
Checking method:
1. Enter the audio test mode.
2. Press the
2. Press the
,
key to display major item, and press the
M m
key to select the “AUDIO”.
3. Press the
,
key to display minor item, and press the
M m
key to select the “SPL”.
AUDIO
LCD display
EQ 1
LCD display
START
LCD display
EQ 2
LCD display
START
LCD display
EQ 3
LCD display
START
LCD display
EQ 4
LCD display
START
LCD display
EQ 5
LCD display
START
LCD display
EQ 6
LCD display
START
LCD display
AUDIO
LCD display
BEEP
LCD display
START
LCD display
AUDIO
LCD display
SPL
LCD display
Ver 1.1
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