10
NW-HD5
SECTION 4
TEST MODE
1. OUTLINE
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.
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
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:
1. Enter the test mode.
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.
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.
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
