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Model
NW-HD5
Pages
51
Size
2.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nw-hd5.pdf
Date

Sony NW-HD5 Service Manual ▷ View online

13
NW-HD5
5-2-4. Channel separation check
“1 kHz   0 dBs   L-ch/1 kHz   0 dBs   R-ch VOLUME: 27” audio signal
is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the [>]
 
key to display minor item, and press the [
E] [e]
key to select the “SEP LR”.
4. Press the 
 u 
 key, “START” is displayed and “1 kHz   0 dBs
L-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
 key is pressed, V-SUR switch is
performed.
5. Press the  
x
  key, return to minor item selection screen.
6. Press the [
E] [e] key to select the “SEP RL”.
7. Press the 
 u 
 key, “START” is displayed and “1 kHz   0 dBs
R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
 key is pressed, V-SUR switch is
performed.
8. Press the  
x
  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:
1. Enter the audio test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “MAXOUT”.
4. Press the 
 u 
 key, “START” is displayed and “1 kHz   0 dBs
L-ch/R-ch   VOLUME: 30”  audio signal is outputted. In this
state, Each time [SEARCH/    MENU]
z
  key is pressed, AVLS
ON/OFF switch is performed.
5. Press the  
x
  key, return to minor item selection screen
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 VOLUME: 27” audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “EQ 1”.
4. Press the 
 u 
 key, “START” is displayed and “100 Hz   –20 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
 key is pressed, EQ LEVEL ALL3/
–3 switch is performed.
5. Press the  
x
  key, return to minor item selection screen.
6. Press the [
E] [e] key to select the “EQ 2”.
7. Press the 
 u 
 key, “START” is displayed and “250 Hz   –20 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
 key is pressed, EQ LEVEL ALL3/
–3 switch is performed.
8. Press the  
x
  key, return to minor item selection screen.
9. Press the [
E] [e] key to select the “EQ 3”.
10. Press the 
 u 
 key,  “START” is displayed and “630 Hz   –20
dBs   L-ch/R-ch VOLUME: 27” audio signal is outputted. In
this state, each time [SEARCH/    MENU]
z
 key is pressed, EQ
LEVEL ALL3/–3 switch is performed.
11. Press the  
x
  key, return to minor item selection screen.
12. Press the [
E] [e] key to select the “EQ 4”.
13. Press the 
 u 
 key, “START” is displayed and “1.6 kHz   –20
dBs   L-ch/R-ch VOLUME: 27” audio signal is outputted. In
this state, each time [SEARCH/    MENU]
z
 key is pressed, EQ
LEVEL ALL3/–3 switch is performed.
    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
    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
14
NW-HD5
14. Press the  
x
  key, return to minor item selection screen.
15. Press the [
E] [e] key to select the “EQ 5”.
16. Press the 
 u 
 key, “START” is displayed and “4 kHz   –20 dBs   L-
ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
 key is pressed, EQ LEVEL ALL3/
–3 switch is performed.
17. Press the  
x
  key, return to minor item selection screen.
18. Press the [
E] [e] key to select the “EQ 6”.
19. Press the 
 u 
 key, “START” is displayed and “10 kHz   –20 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
 key is pressed, EQ LEVEL ALL3/
–3 switch is performed.
20. Press the  
x
  key, return to minor item selection screen.
5-2-7. Digital sound preset check
“100 Hz/10 kHz   0 dBs   L-ch/R-ch VOLUME: 27” audio signal is
outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “DSP 1”.
4. Press the 
 u 
 key, “START” is displayed and “100 Hz   0 dBs   L-
ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
  key is pressed, Base +3/–4/off
switch is performed.
5. Press the  
x
  key, return to minor item selection screen.
6. Press the [
E] [e] key to select the “DSP 2”.
7. Press the 
 u 
 key, “START” is displayed and “10 kHz   0 dBs   L-
ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/    MENU]
z
  key is pressed, Treble +3/–4/off
switch is performed.
8. Press the  
x
  key, return to minor item selection screen.
5-2-8. BEEP check
BEEP sound is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the 
 
[>]
 
 key to display minor item, and press the [
E] [e]
key to select the “BEEP”.
4. Press the 
 u 
 key, “START” is displayed and BEEP sound is
outputted.
5. Press the  
x
  key, return to minor item selection screen.
5-2-9. Sound pressure regulation level check
“1 kHz   0 dBs   L-ch/R-ch VOLUME: 30” audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “AUDIO”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “SPL”.
4. Press the 
 u 
 key, “START” is displayed and “1 kHz   0 dBs
L-ch/R-ch VOLUME: 30” audio signal is outputted.
5. Press the  
x
  key, return to minor item selection screen.
    EQ 5
LCD display
    START
LCD display
    EQ 6
LCD display
    START
LCD display
    AUDIO
LCD display
    DSP 1
LCD display
    START
LCD display
    DSP 2
LCD display
    START
LCD display
    AUDIO
LCD display
    BEEP
LCD display
    START
LCD display
    AUDIO
LCD display
    SPL
LCD display
    START
LCD display
15
NW-HD5
5-3. Others
5-3-1. G-sensor check
X/Y/Z-axis direction is checked.
Checking method:
1. Enter the test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “OTHERS”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “G TEST”.
4. Press the 
 u 
 key, X-axis direction is displayed.
Note: “
NG
 is displayed when the G-sensor has broken (press the
 
 
x
 
 
key,
return to minor item selection screens).
5. Press the 
 u 
 key, Y-axis direction is displayed (press the  
x
key, return to minor item selection screens).
6. Press the 
 u 
 key, Z-axis direction is displayed (press the  
x
key, return to minor item selection screens).
7. Press the  
x
  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
 
[>] key to display major item, and press the [E] [e]
key to select the “OTHERS”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “CLOCK”.
4. Press the 
 u 
 key, “START” is displayed. Then “OK” or “NG”
is displayed automatically.
5. Press the  
x
  key, return to minor item selection screen.
5-3-3. Key check
LCD display corresponding to the pushed key is performed.
Checking method:
1. Enter the test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “OTHERS”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “KEY CH”.
4. Press the 
  u 
  key,  “START” is displayed and LCD display
corresponding to the pushed key is performed.
Press on all the keys of main unit displays “SET OK”.
Press on all the keys of remote commander displays “RMC OK”.
5. Switch-on the [HOLD]  switch. Then switch-off the [HOLD]
switch, “FMTOK?” is displayed.
6. Press the 
 u 
 key, format of hard disk drive is performed (press
the  
x
  key, return to minor item selection screens). Then “OK”
or “NG” is displayed automatically.
7. Press the  
x
  key, return to minor item selection screen.
    OTHERS
LCD di LCD displaysplay
    G TEST
LCD display
    Z: ***
LCD display
***
: A/D value (hexadecimal)
    X: ***
LCD display
***
: A/D value (hexadecimal)
    NG
LCD display
    Y: ***
LCD display
***
: A/D value (hexadecimal)
    OTHERS
LCD display
    START
LCD display
    OK
r
    CLOCK
LCD display
    OTHERS
LCD display
    KEY CH
LCD display
Key
LCD
display
u
PLAY
x
STOP
[SEARCH/    MENU]
z
SEARCH
[>]
FF
[<]
REW
[E]
UP
[e]
DOWN
[VOL +]
VOL+
[VOL ---]
VOL–
    FMTOK?
LCD display
16
NW-HD5
5-3-4. LCD display check
LCD display is checked.
Checking method:
1. Enter the test mode.
2. Press the
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “OTHERS”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “LCD 1”.
4. Press the 
 u 
 key, LCD all segments of main unit and remote
commander are turned on.
5. Press the  
x
  key to display minor item, and press the [
E] [e]
key to select the “LCD 2”.
6. Press the 
 u 
 key, LCD all segments of main unit and remote
commander are turned off.
7. Press the  
x
  key to display minor item, and press the [
E] [e]
key to select the “LCD 3”.
8. Press the 
 u 
 key, monochrome lattice is displayed on the LCD
of main unit.
9. Press the  
x
  key to display minor item, and press the [
E] [e]
key to select the “LCD 4”.
10. Press the 
 u 
 key, monochrome lattice (reverse version of step
8) is displayed on the LCD of main unit.
11. Press the  
x
  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
 
[>]
 
key to display major item, and press the [
E] [e]
key to select the “OTHERS”.
3. Press the
 
[>]
 
key to display minor item, and press the [
E] [e]
key to select the “G CLB”.
4. Press the 
 u 
 key, “+X” is displayed. Main unit is fixed so that
1
 of fig.1 may become downward and press the 
 u 
 key.
5. “–X” is displayed. Main unit is fixed so that 2 of fig.1 may
become downward and press the 
 u 
 key.
6. “+Y” is displayed. Main unit is fixed so that 3 of fig.1 may
become downward and press the 
 u 
 key.
7. “–Y” is displayed. Main unit is fixed so that 4 of fig.1 may
become downward and press the 
 u 
 key.
8. “+Z” is displayed. Main unit is fixed so that 5 of fig.1 may
become downward and press the 
 u 
 key.
9. “–Z” is displayed. Main unit is fixed so that 6 of fig.1 may
become downward and press the 
 u 
 key.
10. “CALIB” is displayed. Press the 
 u 
 key, G-sensor is adjusted.
Then “FIN”, “DAT NG” or “SEN NG” is displayed automatically.
FIN
: adjusted normally.
DAT NG : The data for performing a calibration is faulty.
SEN NG : The value acquired from the G-sensor is faulty.
11. Press the  
x
  key, return to minor item selection screen.
4
2
5
3
1
6
Fig.1   Axis direction of G-sensor adjustment
    OTHERS
LCD display
    LCD 1
LCD display
    LCD 2
LCD display
    LCD 3
LCD display
    LCD 4
LCD display
    OTHERS
LCD display
    G CLB
LCD display
    +X
LCD display
    -X
LCD display
    +Y
LCD display
    -Y
LCD display
    +Z
LCD display
    -Z
LCD display
    CALIB
LCD display
    FIN
r
Page of 51
Display

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