NW-HD1 - Sony Audio Service Manual (repair manual). Page 9

Read Sony NW-HD1 Service Manual online

9
NW-HD1
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
: 24
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 [SET UP] 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 OFF/ON” is displayed. Each time
[MODE] key is pressed, hard disk drive power supply ON/OFF
switch is performed.
6. Press the [SET UP] 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
[SET UP]
 key
Minor item
Finish
or
Result
Start
Automatic
    V CHK
LCD display
    START
LCD display
    HD OFF/ON
LCD display
    POWER
LCD display
    A RD
LCD display
    READY?
LCD display
    POWER
LCD display
Ver 1.1
Page of 48
Display

Click on the first or last page to see other NW-HD1 service manuals if exist.