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Model
NW-HD3
Pages
52
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1.89 MB
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PDF
Document
Service Manual
Brand
Device
Audio
File
nw-hd3.pdf
Date

Sony NW-HD3 Service Manual ▷ View online

9
NW-HD3
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.
Power supply voltage : 3.65 to 3.75 V
Volume
: 27
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.
  When use only main unit
While pressing the [MODE] key on the main unit, press the key on
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.
 >
  
→  
>
  
→  
.
  
→  
.
  
→  
>
  
→  
.
  
→  
>
  
→  
.
  
 
+  
  
 
4. Switch-off the [HOLD] switch on the main unit and enter the
test mode.
3. RELEASING  THE  TEST  MODE
Press the [MENU] 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.
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
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:
1. Enter the test mode.
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 ON” or “HD OFF” is displayed. In
this state, each time [MODE] key is pressed, hard disk drive power
supply ON/OFF switch is performed.
6. Press the [MENU] 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:
1. Enter the test mode.
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.
<
key
,  
key
Bx  
key
F/W version display
Major item
<
M m
M m
key
,  
key
Major item switching:            key
Minor item switching:            key
[MENU]
 key
Minor item
Finish
or
Result
Start
Automatic
    V CHK
LCD display
    START
LCD display
    HD ON
LCD display
    POWER
LCD display
    A RD
LCD display
    READY?
LCD display
    POWER
LCD display
10
NW-HD3
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 [MENU] 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:
1. Enter the test mode.
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.
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 [MENU] key, return to minor item selection screen.
5-1-4. Charge current check
This mode is used in case charge current is checked.
Checking method:
1. Enter the test mode.
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 “CHG”.
4. Press the 
  Bx 
,  port control state is displayed. In this state,
each time [MODE] key is pressed, port control state switch is
performed.
LCD display
Port control state
USB500
IC7001
pin <znx  XCHG_USB: L
pin <znc  CHG_LIM: L
USB150
IC7001
pin <znx  XCHG_USB: L
pin <znc  CHG_LIM: H
DC500
IC7001
pin <znx  XCHG_USB: H
pin <znc  CHG_LIM: L
DC150
IC7001
pin <znx  XCHG_USB: H
pin <znc  CHG_LIM: H
5. Press the [MENU] 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 
 Bx 
 key is
pressed, it’s stopped.
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 
 , 
 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 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  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”.
    READ
LCD display
    FIN
r
    WRITE
LCD display
    FIN
r
    A WR
LCD display
    READY?
LCD display
    POWER
LCD display
    POWER
LCD display
    CHG
LCD display
    AUDIO
LCD display
    TESTLD
LCD display
    START
LCD display
    AUDIO
LCD display
    OUTPUT
LCD display
11
NW-HD3
4. Press the 
 Bx 
 key, “START” is displayed and “1 kHz   0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time  [MODE] key is pressed, MUTE ON/OFF switch is
performed.
5. Press the [MENU] key, return to minor item selection screen.
5-2-2. S/N check
“Infinity Zero 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  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
VOLUME: 27” audio signal is outputted.
5. Press the [MENU] key, return to minor item selection screen.
5-2-3. Frequency characteristic check
“20 Hz/20 kHz/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  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 VOLUME: 27” audio signal is outputted.
5. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted.
8. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted.
11. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted.
14. Press the [MENU] key, return to minor item selection screen.
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  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 VOLUME: 27” audio signal is outputted. In this state,
each time [MODE] key is pressed, V-SUR switch is performed.
5. Press the [MENU] key, return to minor item selection screen.
6. Press the  M   m   key to select the “SEP RL”.
    START
LCD display
    AUDIO
LCD display
    SN
LCD display
    START
LCD display
    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
    AUDIO
LCD display
    SEP LR
LCD display
    START
LCD display
    SEP RL
LCD display
12
NW-HD3
7. Press the 
 Bx 
 key, “START” is displayed and “1 kHz   0 dBs
R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [MODE] key is pressed, V-SUR switch is performed.
8. Press the [MENU] 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  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.
5. Press the [MENU] 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  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 VOLUME: 27” audio signal is outputted. In this state,
each time [MODE] key is pressed, EQ LEVEL ALL3/–3 switch is
performed.
5. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted. In this state,
each time [MODE] key is pressed, EQ LEVEL ALL3/–3 switch is
performed.
8. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted. In
this state, each time [MODE] key is pressed, EQ LEVEL ALL3/
–3 switch is performed.
11. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted. In
this state, each time [MODE] key is pressed, EQ LEVEL ALL3/
–3 switch is performed.
14. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted. In this state,
each time [MODE] key is pressed, EQ LEVEL ALL3/–3 switch is
performed.
17. Press the [MENU] key, return to minor item selection screen.
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 VOLUME: 27” audio signal is outputted. In this state,
each time [MODE] key is pressed, EQ LEVEL ALL3/–3 switch is
performed.
20. Press the [MENU] key, return to minor item selection screen.
    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
    EQ 5
LCD display
    START
LCD display
    EQ 6
LCD display
    START
LCD display
    START
LCD display
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