Sony SA-NS400 Service Manual ▷ View online
SA-NS400
9
2-6. MAIN BOARD, MODULE (10SA-NS400)
2-7. PANEL BOARD
1 shield lower
2 shield upper
3 module (10SA-NS400)
Note for Assembly:
Make sure that there is no intrusion of
foreign matter at the connector contacts
before assembly.
Make sure that there is no intrusion of
foreign matter at the connector contacts
before assembly.
4 MAIN board
2 four screws
(+BV3 (3-CR))
4 two screws
(+BVTP2.6)
6 button party assy
5 PANEL board
3
1 wire (flat type) (11 core)
(CN101)
SA-NS400
10
2-8. E-BOX
ASSY
2-9. SP105
(SUBWOOFER)
1 three tapping screws
(+BV 3.5)
3 bracket woofer
2 three tapping screws
(+BV 3.5)
4 E-box assy
1 two screws
(3.5)
4 SP105 (subwoofer)
3
2 two screws
(3.5)
red
black
SA-NS400
11
SECTION 3
TEST MODE
VERSION DISPLAY MODE
Procedure:
1. Slide the [POWER] switch to turn the power on the system.
2. Press and hold down the two keys [AUDIO IN] and [VOL –] simultaneously (about 3 sec).
3. The version of the system is displayed. The method of version display is described in the following “Version Display Operation Speci-
Procedure:
1. Slide the [POWER] switch to turn the power on the system.
2. Press and hold down the two keys [AUDIO IN] and [VOL –] simultaneously (about 3 sec).
3. The version of the system is displayed. The method of version display is described in the following “Version Display Operation Speci-
fi cation”.
4. To release from this mode, operate any keys such as [VOL+], [VOL –] or slide the [POWER] switch to turn the power off.
KEY/LED TEST MODE
Key tests and LED illumination tests can be performed on a board basis. *When fl ickering, all the LED’s repeat the cycle of 0.5 sec on and
0.5 sec off states.
Procedure:
1. Slide the [POWER] switch to turn the power on the system.
2. Press and hold down the three keys [PARTY], [WPS] and [VOL –] simultaneously (about 3 sec).
3. All the LED’s lights up.
4. To release from this mode, perform the same procedure as the item 2 or slide the [POWER] switch to turn the power off.
Key tests and LED illumination tests can be performed on a board basis. *When fl ickering, all the LED’s repeat the cycle of 0.5 sec on and
0.5 sec off states.
Procedure:
1. Slide the [POWER] switch to turn the power on the system.
2. Press and hold down the three keys [PARTY], [WPS] and [VOL –] simultaneously (about 3 sec).
3. All the LED’s lights up.
4. To release from this mode, perform the same procedure as the item 2 or slide the [POWER] switch to turn the power off.
Boards Check
PANEL board
When each trigger is given, the states are changed through a sequence of the steps as given below.
PANEL board
When each trigger is given, the states are changed through a sequence of the steps as given below.
PARTY LED
ILLUMINATION LED (blue)
ILLUMINATION LED
(PLAY) (white)
STEP
TRIGGER
Red
Green
Center
Side
Center
Side
0
MODE IN
on
on
on
on
on
on
1
Pressing of [PARTY] key
on
off
on
off
on
off
2
Pressing of [PARTY] key
off
on
on
on
off
off
3
Pressing of [PARTY] key
off
off
off
off
on
on
(4)
(Automatic transit after 2 sec)
blink
blink
blink
blink
blink
blink
MAIN board
When each trigger is given, the states are changed through a sequence of the steps as given below.
When each trigger is given, the states are changed through a sequence of the steps as given below.
LED
STEP
TRIGGER
AUDIO IN
LINK (red)
LINK (green)
0
MODE IN
on
on
on
1
Pressing of [AUDIO IN] key
on
off
off
2
Pressing of [VOL –] key
off
on
off
3
Pressing of [VOL +] key
off
off
on
4
Pressing of [WPS] key
off
off
off
(5)
(Automatic transit after 2 sec)
blink
blink
blink
LED
STEP
TRIGGER
NETWORK STANDBY
0
MODE IN
on
1
Pressing of [ALL RESET] key
2 sec blink
SA-NS400
12
• Version Display Operation Specifi cation
When the mode is entered, all the LED’s make one blink in 3 sec. All On (0.5 sec) t All Off (2.5 sec).
When the mode is entered, all the LED’s make one blink in 3 sec. All On (0.5 sec) t All Off (2.5 sec).
When in the MODE IN state, pressing the [AUDIO IN] key displays the software version of the Brifgeco module and pressing the [VOL –]
key displays the software version of the microcomputer.
To display these software versions, the LINK LED (green), the LINK LED (red) and the AUDIO IN LED blink in turn in 1 sec cycles of
0.5 sec on and 0.5 sec off state.
The software version is expressed by how many times they blink individually.
key displays the software version of the microcomputer.
To display these software versions, the LINK LED (green), the LINK LED (red) and the AUDIO IN LED blink in turn in 1 sec cycles of
0.5 sec on and 0.5 sec off state.
The software version is expressed by how many times they blink individually.
LINK
AUDIO IN
AUDIO IN
LINK
major version
Example) When the version is 1.32:
Upon MODE IN
(All On (0.5 sec)
t
All Off (2.5 sec))
Pressing of [AUDIO IN] key
or [VOL –] key
or [VOL –] key
(All Off (0.5 sec))
(LINK LED (green) makes 1 blink)
(LINK LED (red) makes 3 blinks)
(AUDIO IN LED makes 2 blinks)
t
1.**
t
*.3*
t
*.*2
*The blinks for version display are made with 0.5 sec on and 0.5 sec off states.
minor version
(green)
(green)
(red)
(green)
(green)
(red)
After the version display is completed, the system is returned to the status before entry in the mode.
In this status, pressing the [AUDIO IN] key or [VOL –] key allows you to redisplay the version.
In this status, pressing the [AUDIO IN] key or [VOL –] key allows you to redisplay the version.
SIGNAL STRENGTH DISPLAY
The strength of the signal (reception sensitivity) is visually displayed in real time when the set is connected through wireless LAN connec-
tion.
The [PARTY] LED is used to indicate the signal strength by its display colors depending on the conditions of the signal strength: green
(when the signal is strong), orange (middle), red (weak), and OFF (disconnected).
Procedure:
1. The [PARTY] LED is illuminated green when the signal strength is strong (at the level of 100 to 60), orange when middle (59 to 30),
The strength of the signal (reception sensitivity) is visually displayed in real time when the set is connected through wireless LAN connec-
tion.
The [PARTY] LED is used to indicate the signal strength by its display colors depending on the conditions of the signal strength: green
(when the signal is strong), orange (middle), red (weak), and OFF (disconnected).
Procedure:
1. The [PARTY] LED is illuminated green when the signal strength is strong (at the level of 100 to 60), orange when middle (59 to 30),
and red when weak (29 to 0).
2. The [PARTY] LED is lit out when the set is disconnected from the network in wireless connection (including in wire connection).
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