Sony NW-HD5 Service Manual ▷ View online
10
NW-HD5
SECTION 4
TEST MODE
1. OUTLINE
Power supply voltage : 3.65 to 3.75 V
Volume
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.
3. Operate as follows.
2. Switch-on the [HOLD] switch.
3. Operate as follows.
While pressing the [SEARCH/ MENU]
z
key, press the key as
following order.
[>]
[>]
→
[>]
→
[<]
→
[<]
→
[>]
→
[<]
→
[>]
→
[<]
→
[E]
→
[
e]
4. Switch-off the [HOLD] switch and enter the test mode.
3. RELEASING THE TEST MODE
Press the
x
key 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
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/1.9 V/2.4 V/3.3 V/VSTBY) are
starting is checked.
Checking method:
all power supply lines (1.2 V/1.5 V/1.9 V/2.4 V/3.3 V/VSTBY) 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 [
E] [e]
key to select the “POWER”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “V CHK”.
4. Press the
u
key, “START” is displayed and all power supply
lines are started.
In this state, the power supply voltage of each power supply line
can be confirmed by measuring the voltage of the following
points.
points.
5. Press the [SEARCH/ MENU]
z
key, “HD ON” or “HD OFF” is
displayed. In this state, each time [SEARCH/ MENU]
z
key is
pressed, hard disk drive power supply ON/OFF switch is
performed.
performed.
6. Press the
x
key, return to minor item selection screen.
V CHK
LCD display
START
LCD display
HD ON
LCD display
POWER
LCD display
TP9001
(3.3V)
TP9005 (1.5V)
TP9007 (1.9V)
TP9004 (1.2V)
TP9015
(2.4V)
TP9014
(VSTBY)
– MAIN Board (Conductor Side) –
[<]
key
[>]
key
[<]
key
[>]
key
[ ]
key
F/W version display
Major item
Major item switching:
[E]
[e]
key
Minor item switching:
[E]
[e]
key
[ ]
key
Minor item
Finish
or
Result
Start
Automatic
u
x
11
NW-HD5
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 [
E] [e]
key to select the “POWER”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “A RD”.
4. Press the
u
key, “READY?” is displayed. In this state, each
time [SEARCH/ MENU]
z
key is pressed, EL back light ON/
OFF switch is performed.
5. Press the
u
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
x
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 [
E] [e]
key to select the “POWER”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “A WR”.
4. Press the
u
key, “READY?” is displayed. In this state, each
time [SEARCH/ MENU]
z
key is pressed, EL back light ON/
OFF switch is performed.
5. Press the
u
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
x
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:
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
[>]
key to display major item, and press the [
E] [e]
key to select the “POWER”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “CHG”.
4. Press the
u
, port control state is displayed. In this state, each
time [SEARCH/ MENU]
z
key is pressed, port control state
switch is performed.
LCD display
Port control state
CHG500
IC7001
pin <znx SUSPEND: L
pin <znc VBUS_LIM: H
CHG100
IC7001
pin <znx SUSPEND: L
pin <znc VBUS_LIM: L
SUSP
IC7001
pin <znx SUSPEND: H
pin <znc VBUS_LIM: L
5. Press the
x
key, return to minor item selection screen.
5-2. Audio
The
[VOL +]
key performs switch of HP/LINE.
While playing the audio track, it's in a repeat state. If
x
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 [
E] [e]
key to select the “AUDIO”.
4. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “TESTLD”.
A RD
LCD display
READY?
LCD display
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
POWER
LCD display
12
NW-HD5
5. Press the
u
key, “START” is displayed. Then automatically
reboot (DC power supply state) or sleep (battery power supply
state).
state).
6. After step 5, narrowing-down screen “Artist” is checked and
enter the test mode.
Audio test mode (5-2-1 to 5-2-9) 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:
Checking method:
1. Enter the audio test mode.
2. Press the
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 “OUTPUT”.
4. Press the
u
key, “START” is displayed and “1 kHz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted. In this state,
each time [SEARCH/ MENU]
each time [SEARCH/ MENU]
z
key is pressed, MUTE ON/OFF
switch is performed.
5. Press the
x
key, return to minor item selection screen.
5-2-2. S/N check
“Infinity Zero VOLUME: 27” 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 [
E] [e]
key to select the “AUDIO”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “SN”.
4. Press the
u
key, “START” is displayed and “Infinity Zero
VOLUME: 27” audio signal is outputted.
5. Press the
x
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:
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 [
E] [e]
key to select the “AUDIO”.
3. Press the
[>]
key to display minor item, and press the [
E] [e]
key to select the “F 1”.
4. Press the
u
key, “START” is displayed and “20 Hz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
5. Press the
x
key, return to minor item selection screen.
6. Press the [
E] [e] key to select the “F 2”.
7. Press the
u
key, “START” is displayed and “20 kHz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
8. Press the
x
key, return to minor item selection screen.
9. Press the [
E] [e] key to select the “F 3”.
10. Press the
u
key, “START” is displayed and “100 Hz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
11. Press the
x
key, return to minor item selection screen.
12. Press the [
E] [e] key to select the “F 4”.
13. Press the
u
key, “START” is displayed and “10 kHz 0 dBs
L-ch/R-ch VOLUME: 27” audio signal is outputted.
14. Press the
x
key, return to minor item selection screen.
START
LCD display
AUDIO
LCD display
OUTPUT
LCD display
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
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:
is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the
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]
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]
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:
Checking method:
1. Enter the audio test mode.
2. Press the
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]
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:
ch VOLUME: 27” 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 [
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]
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]
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]
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]
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
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