Sony SA-WX9000F User manual

SERVICE MANUAL
Sony Video & Sound Products Inc.
SA-WX9000F/WXF9000
ACTIVE SUBWOOFER
9-896-484-01
2018A33-1
© 2018.01
US Model
Canadian Model
SA-WX9000F
AEP Model
UK Model
SA-WXF9000
Ver. 1.0 2018.01
• SA-WX9000F is the active subwoofer in HT-X9000F.
• SA-WXF9000 is the active subwoofer in HT-XF9000.
• AlloftheunitsincludedintheHT-X9000F(SA-X9000F/SA-
WX9000F/Remote control) or HT-XF9000 (SA-XF9000/
SA-WXF9000/Remote control) are required to confirm-
ing operation of SA-WX9000F/WXF9000. Check in ad-
vance that you have all of the units.
• For the TEST MODE for this unit, refer to the service manual of HT-X9000F/XF9000.
SPECIFICATIONS
POWER OUTPUT (reference)
100 W (at 4 ohms, 100 Hz)
Speaker system
Subwoofer speaker system, Bass
reex
Speaker
160 mm (6 3/8 in.) cone type
Power requirements
120 V AC, 60 Hz (WX9000F: US, CND)
Power consumption
On: 20 W
Standby mode: 0.5 W or less
Dimensions (approx.) (w/h/d)
190 mm × 382 mm × 387 mm (7 1/2 in ×
15 1/8 in × 15 1/4 in) (not including
projection portion)
Mass (approx.)
7.8 kg (17 13/64 lb)
Frequency band
2.4 GHz (2.4000 GHz - 2.4835 GHz)
Modulation method
FHSS (Freq Hopping Spread Spectrum)
Design and specications are subject to
change without notice.
Wireless Receiver Section
220 V - 240 V AC, 50 Hz/60 Hz
(WXF9000: AEP, UK)
This system incorporates Dolby* Digital
and the DTS** Digital Surround System.
* Manufactured under license from Dolby
Laboratories. Dolby, Dolby Audio, Dolby
Atmos, Dolby Vision, and the double-D
symbol are trademarks of Dolby
Laboratories.
**For DTS patents, see http://
patents.dts.com. Manufactured under
license from DTS, Inc. DTS, the Symbol,
DTS and the Symbol together, DTS:X, and
the DTS:X logo are registered trademarks
and/or trademarks of DTS, Inc. in the
United States and/or other countries. ©
DTS, Inc. All Rights Reserved.
The BLUETOOTH®word mark and logos are
registered trademarks owned by Bluetooth
SIG, Inc. and any use of such marks by Sony
Corporation is under license. Other
trademarks and trade names are those of
their respective owners.
This system incorporates High-Denition
Multimedia Interface (HDMI™) technology.
The terms HDMI and HDMI High-Denition
Multimedia Interface, and the HDMI Logo
are trademarks or registered trademarks of
HDMI Licensing Administrator, Inc. in the
United States and other countries.
“BRAVIA” logo is a trademark of Sony
Corporation.
“ClearAudio+” is a trademark of Sony
Corporation.
WALKMAN® and WALKMAN® logo are
registered trademarks of Sony
Corporation.
“PlayStation” is a registered trademark or
trademark of Sony Interactive
Entertainment Inc.
MPEG Layer-3 audio coding technology
and patents licensed from Fraunhofer IIS
and Thomson.
Windows Media is either a registered
trademark or trademark of Microsoft
Corporation in the United States and/or
other countries.
This product is protected by certain
intellectual property rights of Microsoft
Corporation. Use or distribution of such
technology outside of this product is
prohibited without a license from Microsoft
or an authorized Microsoft subsidiary.
“DSEE” is a trademark of Sony Corporation.
“TRILUMINOS” and “TRILUMINOS” logo are
a registered trademark of Sony
Corporation.
All other trademarks are trademarks of
their respective owners.
Copyrights and Trademarks

SA-WX9000F/WXF9000
2
NOTES ON CHIP COMPONENT REPLACEMENT
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SAFETY CHECK-OUT
After correcting the original service problem, perform the follow-
ing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)
1.5 kΩ0.15 μF
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
Fig. A. Using an AC voltmeter to check AC leakage.
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
1. SERVICING NOTES ............................................. 3
2. DISASSEMBLY
2-1. Disassembly Flow........................................................... 6
2-2. AMP Block ..................................................................... 7
2-3. SK1 SUB MAIN Board .................................................. 8
2-4. Power-supply Cord ......................................................... 9
2-5. POWER Board................................................................ 10
2-6. Bluetooth Module ........................................................... 10
2-7. SK1-SUB-KEY Board, Button (Power-CZ2)................. 11
2-8. SK1-SUB-JACK Board .................................................. 11
2-9. SUB LED Board, Front Panel Assy................................ 12
2-10. Loudspeaker (160 mm)................................................... 13
3. TROUBLESHOOTING .......................................... 14
4. DIAGRAMS
4-1. Printed Wiring Board - SK1 SUB MAIN Board - .......... 17
4-2. Schematic Diagram - SK1 SUB MAIN Board (1/2) - .... 18
4-3. Schematic Diagram - SK1 SUB MAIN Board (2/2) - .... 19
4-4. Printed Wiring Boards - PANEL Section - ..................... 20
4-5. Schematic Diagram - PANLE Section -.......................... 21
4-6. Printed Wiring Board - POWER Board -........................ 22
4-7. Schematic Diagram - POWER Board - .......................... 23
5. EXPLODED VIEWS
5-1. Speaker Section............................................................... 25
5-2. AMP Section................................................................... 26
6. ELECTRICAL PARTS LIST .............................. 27
TABLE OF CONTENTS

SA-WX9000F/WXF9000
3
SECTION 1
SERVICING NOTES
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscous (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
NOTE OF REPLACING THE FUSE
The fuse is or could be in the neutral. When a fuse is being re-
placed, the main plug shall be disconnected from the AC outlet to
prevent electric shock.
ADVANCE PREPARATION WHEN CONFIRMING OP-
ERATION
All of the units included in the HT-X9000F (SA-X9000F/SA-
WX9000F/Remote control) or HT-XF9000 (SA-XF9000/SA-
WXF9000/Remote control) are required to confirming operation
of SA-WX9000F/WXF9000. Check in advance that you have all
of the units.
DISCHARGE PROCESSING
Before checking the operation of the boards for the electric shock
prevention, perform the discharge processing by connecting the
resistor at both ends of the specified capacitor with referring to the
figure below.
Note: Be sure to discharge using a resistor of 800 or higher.
– POWER Board (Conductor Side) –
C923
C917
800 :/2 W
800 :/2 W
NOTE OF PERFORMING THE OPERATION CHECK IN
THE STATE THAT HEAT SINK IS REMOVED
When performing the operation check in the state that this unit is
disassembled, it is possible to perform the operation check in the
state that heat sink is removed. However, don’t perform the opera-
tion check in the long time, and perform the operation check in the
volume state as low as possible.
The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit.
ABOUT THE PROTECTION
qIf the power indicator on the
subwoofer flashes in red, press Æ
(power) of the subwoofer to turn off
the power and check whether the
ventilation holes of the subwoofer is
blocked or not.
MODEL IDENTIFICATION
Distinguish by Part No. and Destination code of the model number
label on the rear side of the main unit.
– Rear view – WX9000F: US, CND
WXF9000: AEP, UK
MODEL NUMBER LABEL
Destination code
Part No.
Destination code
Part No.
Destination Part No. Destination
code
WX9000F: US, CND 4-725-828-0[] UC2
WXF9000: AEP 4-725-830-0[] CEL
WXF9000: UK 4-725-831-0[] CEK
DESTINATION ABBREVIATIONS
The following abbreviations for model destinations are used in this
service manual.
• Abbreviations
AEP : European area (Except for UK, Ireland), East European
area, CIS area (Moldova) and Middle East area (Israel,
Jordan) models
CND : Canadian and Latin American area (Puerto Rico) models
UK : European area (UK and Ireland) model

SA-WX9000F/WXF9000
4
WIRELESS CONNECTION (LINK) WORK OF BAR SPEAK-
ER AND SUBWOOFER
When the Bluetooth module of bar speaker or Bluetooth module of
subwoofer are replaced, the wireless connection (LINK) of the bar
speaker and subwoofer will be disconnected.
Before returning repaired products to the customer, follow the pro-
cedure below to LINK the bar speaker and subwoofer.
Note: If only the bar speaker or subwoofer is brought in for repair, wire-
less connection (LINK) is not possible. Refer to “What to do if only
bar speaker or subwoofer are brought in for repair”.
Replacing parts for repairing that required wireless con-
nection (LINK)
• Replacing the Bluetooth module of bar speaker
• Replacing the Bluetooth module of subwoofer
Wireless connection (LINK) method
When the repairing unit is not secure link:
After replacing the Bluetooth module of the bar speaker or replac-
ing the Bluetooth module of the subwoofer, when turn the power
on, it will automatically wireless connection.
When the repairing unit was secure link:
After replacing the Bluetooth module of the bar speaker or replac-
ing the Bluetooth module of the subwoofer, even if turn the power
on, if you do not automatically wireless connection, there is a pos-
sibility that the repairing unit was secure link.
In this case, perform the secure link according to “Secure link
method” below.
Also, press and hold the [LINK] button on the rear side of sub-
woofer to cancel the secure link, it can automatically wireless con-
nection.
Secure link method
Procedure:
1. Connect bar speaker with TV monitor.
2. Press the [1] button on the bar speaker to turn the power on.
3. Press the [1] button on the rear side of subwoofer to turn the
power on.
4. Press the [HOME] button on the remote commander.
5. From the display of home menu on the TV monitor, operate
and decision in the following order.
“Setup” →“Advanced settings” →“Speaker settings” →“Se-
cure Link”→“On”
6. Press the [LINK] button on the rear side of subwoofer.
Note: Perform the next step within 2 minutes after the power indicator is
flashed.
7. From the display of home menu on the TV monitor, select the
“Start” and decision.
8. The message “Finish” is displayed on the TV monitor, the
power indicator of the subwoofer is lit in orange and secure
link is completed.
What to do if only bar speaker or subwoofer are brought
in for repair
If only the bar speaker or subwoofer is brought in for repair situa-
tion, and the Bluetooth module is replaced, by customer must wire-
less connection (LINK) the bar speaker and subwoofer.
• If the customer was not performing the secure link
It will automatically wireless connection (LINK) with the bar
speaker and subwoofer when turn the power on.
• If the customer was performing the secure link
The customer must need perform the secure link setting again, or
customer must need to cancel the secure link of the bar speaker or
subwoofer at hand of the customer and perform a normal wireless
connection.
Secure link cancellation method of bar speaker
Procedure:
1. Connect bar speaker with TV monitor.
2. Press the [1] button to turn the power on.
3. Press the [HOME] button on the remote commander.
4. From the display of home menu on the TV monitor, operate
and decision in the following order.
“Setup” →“Advanced settings” →“Speaker settings” →“Se-
cure Link”
5. Since the “On/Off” switching of Secure Link is displayed, se-
lect the “Off” and decision.
Secure link cancellation method of subwoofer
Procedure:
1. Press the [1] button on the rear side of subwoofer to turn the
power on.
2. Press and hold the [LINK] button on the rear side of subwoof-
er.
Press and hold the [LINK] button.
3. When the secure link is canceled, the power indicator is flashes
in green.

SA-WX9000F/WXF9000
5
NOTE OF REPLACING THE ELECTRICAL PARTS ON
EACH BOARDS FOR REPAIRING
Among mounted electrical parts on each boards, only parts that
are described in the electrical parts list can be replaced for repair.
The parts that are not described in the electrical parts list cannot be
replaced with single for repairing.
SPREADING OF COMPOUND
When the IC8104 on the SK1 SUB MAIN board or the SK1 SUB
MAIN board is replaced, spread the compound to the touching
portion between the IC8104 and the heat sink.
– SK1 SUB MAIN Board (Side A) –
IC8104
compound

SA-WX9000F/WXF9000
6
SECTION 2
DISASSEMBLY
• This set can be disassembled in the order shown below.
2-1. DISASSEMBLY FLOW
SET
2-4. POWER-SUPPLY CORD
(Page 9)
2-5. POWER BOARD
(Page 10)
2-6. BLUETOOTH MODULE
(Page 10)
2-7. SK1-SUB-KEY BOARD, BUTTON (POWER-CZ2)
(Page 11)
2-8. SK1-SUB-JACK BOARD
(Page 11)
2-2. AMP BLOCK
(Page 7)
2-3. SK1 SUB MAIN BOARD
(Page 8)
2-10. LOUDSPEAKER (160 mm)
(Page 13)
2-9. SUB LED BOARD, FRONT PANEL ASSY
(Page 12)
JIG
When disassembling the unit, use the following
jig for speaker removal.
Part No. Description
J-2501-238-A JIG FOR SPEAKER REMOVAL

SA-WX9000F/WXF9000
7
Note: Follow the disassembly procedure in the numerical order given.
2-2. AMP BLOCK
bottom side
rear side
top side
– Rear view –
Note 1: When removing the AMP block, remove the eighteen tapping screws
as shown below. If you remove screws other than those specified in
the below, the internal parts may fall out and get damaged.
(Removing the six screws at the vmark screws is not necessary.)
1three
tapping
screws
(3.5 u16)
1three
tapping
screws
(3.5 u16)
1three tapping screws
(3.5 u16)
1three
tapping
screws
(3.5 u16)
1three tapping screws
(3.5 u16)
1three
tapping
screws
(3.5 u16)
top side
vv
vv
vv
3Remove two wires
from the clamp (N).
(See Fig. A)
2Open the AMP block
in the direction of the
arrow.
rib
rib
hole
hole
4SUB LED board cable
connector (CN8111)
5speaker connection cable
connector (CN8103)
6AMP block
Note 2: When installing the AMP block,
align the two ribs and two holes.
:ire VeWWiQJ
SK1 SUB MAIN board
speaker connection cable
SUB LED board cable
clamp (N)
)iJ $!

SA-WX9000F/WXF9000
8
2-3. SK1 SUB MAIN BOARD
:LUHVHWWLQJ
terminal side
3POWER board cable
connector (CN8102)
4SK1-SUB-JACK board
cable connector
(CN8107)
2Remove two cables
from the clamp (N).
rear side
top side
bottom side
AMP block
1FFC (26P)
(CN8101)
SK1 SUB MAIN board
POWER board cable
POWER board
heat sink
top side
boss
5screw
(BVTP3 u8)
6clamp (N)
boss
hole
hole
hole
hole
rib
rib
5screw
(BVTP3 u8)
5screw
(BVTP3 u8)
5screw
(BVTP3 u8)
6clamp (N)
7Remove the SK1 SUB MAIN board
block in the direction of the arrow.
8screw
(BVTP3 u8)
8screw
(BVTP3 u8)
9heat sink (main)
Note 2: When installing the heat sink (main),
align the two bosses and two holes.
0SK1 SUB MAIN board
Note 3: When installing the SK1 SUB MAIN board,
align the two ribs and two holes.
SK1-SUB-JACK board cable
Note 4: The two cables must not touch the heat sink.
clamp (N)
Note 1: When the SK1 SUB MAIN board is replaced, spread the com-
pound to the touching portion between the IC8104 and the
heat sink.

SA-WX9000F/WXF9000
9
2-4. POWER-SUPPLY CORD
3RZHUVXSSO\FRUGEORFNVHWWLQJ
3RZHUVXSSO\FRUGVHWWLQJ
1power-supply cord
connector (CN901)
5cord bushing
(FBS001)
4Unlock.
3Draw out the power-supply
cord block from the hole. 6power-supply cord
power-supply cord
,QVWDOODWLRQSRVLWLRQRIWKHFRUG
EXVKLQJ)%6
power-supply cord
cord bushing
(FBS001)
lock side
90
+5, -0 mm
to POWER board
lock side
cord bushing (FBS001)
Note: When installing the power-supply cord block,
check the lock side position of the cord bushing
(FBS001) and install correctly.
hole
rear side
top side
bottom side
cord bushing (FBS001)
2two
claws
top side
bottom side
–,QQHUYLHZ–
top side
claw side
–,QQHUYLHZ–
AMP block
bottom side
bottom side
POWER board
[blue]
[brown]
[black]
[white] POWER board
:;)86&1'
:;)$(38.
claw side
claw side
claw
side
power-supply
cord
power-supply
cord

SA-WX9000F/WXF9000
10
2-5. POWER BOARD
2Remove two cables
from the clamp (N).
rear side
top side
bottom side
AMP block
1power-supply cord
connector (CN901)
4two screws
(BVTP3 u8)
hole
3POWER board cable
connector (CN8102)
4two screws
(BVTP3 u8)
5
6POWER board
Note 1: When installing the POWER board,
align the two ribs and two holes.
hole
rib
rib
:LUHVHWWLQJ
SK1 SUB MAIN board
POWER board cable
POWER board
heat sink
top side
SK1-SUB-JACK board cable
Note 2: The two cables must not touch the heat sink.
clamp (N)
2-6. BLUETOOTH MODULE
hole
4boss
5hook
2screw
(BVTP3 u8)
terminal side
1Draw the FFC (26P)
out of the connector.
front side
rear side
top side
AMP block
3Lift up the bluetooth module
in the direction of the arrow.
6bluetooth module
Note 2: When installing the
bluetooth module,
align the boss and hole.
Note 1: When the bluetooth module is replaced, be sure to refer to
“WIRELESS CONNECTION (LINK) WORK OF BAR
SPEAKER AND SUBWOOFER” on page 4.