Sony KDL-40XBR4 / KDL-40XBR5 / KDL-46XBR4 / KDL-46XBR5 Service Manual ▷ View online
17
KDL-40XBR4/40XBR5/46XBR4/46XBR5
KDL-40XBR4/40XBR5/46XBR4/46XBR5
1-11. GF1 AND DF1 BOARD OR DF2 BOARD/DF3 BOARD REMOVAL
1 Remove 5 screws, +PSW 3SG
(KDL-46XBR4/46XBR5 only)
2 Disconnect 3 connectors
(KDL-46XBR4/46XBR5 only)
3 Disconnect 4 connectors
(KDL-40XBR4/40XBR5)
Disconnect 4 connectors
(KDL-46XBR4/46XBR5)
(KDL-46XBR4/46XBR5)
4 Remove 4 screws, +PSW 3SG
5 Disconnect 7 connectors
6 Remove 4 screws, +PSW 3SG
1-11-1. REPLACING THE INVERTER CONNECTOR ASSEMBLY
1
2
4
3
6
5
G/D Bracket
GF1 Board
DF3 Bracket
(KDL-46XBR4/46XBR5)
(KDL-46XBR4/46XBR5)
DF3 Board(KDL-46XBR4/46XBR5)
DF1 Board(KDL-40XBR4/40XBR5)
DF2 Board(KDL-46XBR4/46XBR5)
DF2 Board(KDL-46XBR4/46XBR5)
1
After inserting the connector
into the Inverter board,
push the middle section
of the inverter connector to
lock on the terminal.
into the Inverter board,
push the middle section
of the inverter connector to
lock on the terminal.
Push the right section of
the inverter connector and
confirm it is securely
connected.
the inverter connector and
confirm it is securely
connected.
Push the left section of
the inverter connector and
confirm it is securely
connected.
the inverter connector and
confirm it is securely
connected.
2
3
Use the following procedure to confirm that the connector is securely attached to the Inv
18
KDL-40XBR4/40XBR5/46XBR4/46XBR5
KDL-40XBR4/40XBR5/46XBR4/46XBR5
1-12. H4 AND AC INLET REMOVAL
1 Disconnect one connector.
2 Release hooks and remove H4 Board.
3 Remove 2 screws, +KTT 3X10 (S type)
2
3
4
1
Lower Stay
Upper Stay
Fin Bracket
2
3
1
Front Cabinet Assembly
AC Inlet
Lower Stay
H4 Board
1-13. STAY REMOVAL
1 Remove 3 Screws, +BVTP2 4X16
2 Remove 2 Screws, +PSW M3X5
3 Remove 4 screws, +PSW M5X8
4 Remove 3 screws, +BVTP2 4X16
19
KDL-40XBR4/40XBR5/46XBR4/46XBR5
KDL-40XBR4/40XBR5/46XBR4/46XBR5
Inverter Cover
1
2
Plastic Strip
holding
Lamp Socket
holding
Lamp Socket
Plastic Strip
holding
Lamp Socket
holding
Lamp Socket
Inverter Board
DO NOT
REMOVE
BACKLIGHT
SCREWS
REMOVE
BACKLIGHT
SCREWS
SHIELD REMOVAL
INVERTER BOARD REMOVAL
WARNING
NEVER REMOVE THE
SCREWS SECURING THE
PLASTIC STRIP HOLDING
PLASTIC STRIP HOLDING
THE LAMP SOCKETS
DAMAGE TO THE
BACKLIGHT TUBES WILL
Only remove the screws securing the inverter
cover which may be metal or plastic. The
remaining plastic strip contains sockets for the
fluorescent backlights and should never be
loosened. The backlights will pop out of the
sockets and/or break the backlight requiring a
LCD panel replacement. The example shown
is a 32” model but applies to all models.
REMOVE SCREWS
SECURING
SHIELD
REMOVE
CONNECTOR AND
PULL BOARD TO
THE RIGHT
!
.
OCCUR!
BACKLIGHT
END VIEW
SOCKET
1-14. MT INVERTER BOARD(S) REMOVAL
CAUTION:
Be sure to identify the inverter cover screws before proceeding. DO NOT remove the screws securing the plastic strip
holding the lamp sockets.
holding the lamp sockets.
1 Remove screws securing the inverter cover.
2 Remove screws securing the inverter board
2 Remove screws securing the inverter board
20
KDL-40XBR4/40XBR5/46XBR4/46XBR5
KDL-40XBR4/40XBR5/46XBR4/46XBR5
1
LCD Panel
Front Cabinet
1-15. LCD PANEL AND MT INVERTER BOARD REMOVAL
1 Remove 10 screws, +BWTP2 4X16
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