Sony NW-A805 / NW-A806 / NW-A808 / NWZ-A815 / NWZ-A816 / NWZ-A818 Service Manual ▷ View online
NW-A805/A806/A808/NWZ-A815/A816/A818
9
3-5. NAND BOARD, SVX SWITCH FLEXIBLE (PWB ASSY)
3-6. NOTE WHEN INSTALLING THE SVX SWITCH FLEXIBLE (PWB ASSY)
Note:
Follow the assembly procedure in the numerical order given.
4
Turn up the LCD flexible board.
1
two claws
2
Lift up the
SVX swtch flexible (PWB assy).
SVX swtch flexible (PWB assy).
5
Lift up the NAND board.
3
two screws (M1.4)
9
sheet (NAND)
qa
NAND board
q;
spacer (NAND)
6
Remove three solders.
8
SVX swtch flexible (PWB assy)
7
insulating sheet
(NW-A805/A806/
NWZ-A815/A816 only)
NWZ-A815/A816 only)
– rear view –
2
Holding the bent part,
rotate the SVX swtch flexible (PWB assy)
by 3 or 4 turns in the arrow direction,
and twist to bind the lead wires.
rotate the SVX swtch flexible (PWB assy)
by 3 or 4 turns in the arrow direction,
and twist to bind the lead wires.
About 45
°
1
Bend the switch flexible board.
4
Push the lead wires completely into a space
between front cabinet assy and LCD holder.
between front cabinet assy and LCD holder.
3
Holding the bent part, push in the
SVX swtch flexible (PWB assy)
until it gets stuck by two claws
of the front cabinet assy.
SVX swtch flexible (PWB assy)
until it gets stuck by two claws
of the front cabinet assy.
Note: Route the lead wires as shown in the figure,
and solder them at the angle shown in the figure.
Note: The soldering height
should be less than 0.8 mm.
About 45
°
SVX swtch flexible (PWB assy)
NAND board
lead wire (red)
lead wire (gray)
lead wires
front cabinet assy
claw
lead wire (black)
claw
LCD holder
– rear view –
Ver. 1.4
NW-A805/A806/A808/NWZ-A815/A816/A818
10
3-7. FRONT BUTTON
3-8. SVX LCD ASSY (LCD801), BATTERY ASSY
2
front button
1
Turn up the LCD flexible board.
– rear view –
1
screw (B1.4)
7
two claws
7
two claws
7
claw
1
screw (B1.4)
3
Turn down the LCD flexible board.
4
adhesive (LCD)
2
5
Open the LCD flexible board.
6
adhesive (LCD)
Note: Adhesive (LCD) cannot re-used.
Please replace to brand-new part
ones adhesive (LCD) is removed.
ones adhesive (LCD) is removed.
Note: Adhesive (LCD) cannot re-used.
Please replace to brand-new part
ones adhesive (LCD) is removed.
ones adhesive (LCD) is removed.
8
SVX LCD assy
(LCD801)
(LCD801)
9
cushion (BATT)
q;
spacer (rear)
qa
battery assy
– rear view –
NW-A805/A806/A808/NWZ-A815/A816/A818
11
3-9. FRONT CABINET ASSY
1
VOL button
3
NAND gasket
2
gasket (rear)
VOL button
front cabinet assy
rear cabinet assy
Note: The VOL button should be oriented
as shown in the figure when it is installed.
Note: NAND gasket cannot re-used.
Please replace to brand-new part
ones NAND gasket is removed.
ones NAND gasket is removed.
Note: Gasket (rear) cannot re-used.
Please replace to brand-new part
ones gasket (rear) is removed.
ones gasket (rear) is removed.
4
conductive sheet (jack)
5
front cabinet assy
– side view –
front cabinet assy back view
12
NW-A805/A806/A808/NWZ-A815/A816/A818
SECTION 4
TEST MODE
Note:
Information on the test mode must correspond in enough securi-
ty. When the leakage has been revealed by any chance, the source
of information is specified.
ty. When the leakage has been revealed by any chance, the source
of information is specified.
1. SETTING THE TEST MODE
Note:
Note:
Perform the test mode in the state of 3.6 V or more in the
battery voltage.
battery voltage.
Setting method:
1. Turn the power on.
2. Press the [BACK] key for 1.5 seconds or more, the home menu
2. Press the [BACK] key for 1.5 seconds or more, the home menu
is displayed.
3. Slide the [HOLD] key to set the hold on.
4. While pressing the [OPTION] key, press the key as follow-
4. While pressing the [OPTION] key, press the key as follow-
ing order.
v
→
B
→
V
→
b
→
v
→
u
→
v
→
b
→
V
→
B
→
v
→
u
5. The set reboots when the [HOLD] key is slided to set the hold
off, and the color bar is displayed in the liquid crystal display.
6. Enter the test mode when the [BACK] key is pressed in the
state of step 5.
Note:
The destination setting and sound pressure regulation set-
ting cannot be executed by this test mode.
ting cannot be executed by this test mode.
2. RELEASING THE TEST MODE
1. Display the major item selection screen.
2. Press the
2. Press the
v
/
V
key to select the “EXITTEST”, and press the
B
key to select the “SURE ?”.
3. Press the
u
key, turn the power off and release the test mode.
3. CONFIGURATION OF THE TEST MODE
4. OPERATION OF THE TEST MODE
4-1. Power
4-1. Power
liquid crystal display
MPTAPP MENU
POWER
VCHK
AUDIO
ACHK
VIDEO
DSVCHK
OTHER
CHGCHK
SHUTDOWN
BATTCHK
EXITTEST
4-1-1. Power supply voltage check
This mode is used in case power supply voltage in the state where
all power supply lines are starting is checked.
all power supply lines are starting is checked.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
v
/
V
key to select the “POWER”, and press the
B
key to enter the minor item.
3. Press the
v
/
V
key to select the “VCHK”.
4. Press the
u
key, all power supply lines are started.
liquid crystal display
POWER VCHK
START
In this state, the power supply voltage of each power supply line
can be confirmed by measuring the voltage.
can be confirmed by measuring the voltage.
5. Press the [BACK]
key, return to minor item selection screen.
4-1-2. Consumption current (audio playback) check
This mode is used in case consumption current (audio playback) is
checked in the state where “1 kHz 0 dBs L-ch/R-ch VOLUME: 15”
audio signal is outputed.
checked in the state where “1 kHz 0 dBs L-ch/R-ch VOLUME: 15”
audio signal is outputed.
Checking method:
1. Enter the test mode.
2. Press the
2. Press the
v
/
V
key to select the “POWER”, and press the
B
key to enter the minor item.
3. Press the
v
/
V
key to select the “ACHK”.
4. Press the
u
key, “1 kHz 0 dBs L-ch/R-ch VOLUE: 15” audio
signal is outputed.
liquid crystal display
POWER ACHK
1kHz 0dBs L/Rch
HPOUT [ VOL: 15 ]
START
5. In this state, each time the [OPTION]
key is pressed, LCD back
light on/off switch is performed.
6. Press the [BACK]
key, return to minor item selection screen.
[ ]
key
Major item
Major item switching:
[ ]
/
[ ]
key
[BACK]
key
Minor item
Finish
or
Result
Start
Automatic
u
[ ]
key
[ ]
key
B
b
v
V
Minor item switching:
[ ]
/
[ ]
key
v
V
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