NW-HD5 - Sony Audio Service Manual (repair manual). Page 14

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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
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