Sony KDL-52XBR7 Service Manual ▷ View online
17
KDL-52XBR7
KDL-52XBR7
Note: The LVDS cable can only be installed one way. There is colored tape on the cable to determine which side is attached
to the TCON Board and which side is attached to the BU Board.
Caution: See Installation Procedure for MDF-61 Connector on page 32 for correct procedure for removing connectors.
1 Remove 8 Screws to detach heat sinks (4 from each heat sink)
2 Remove radiation sheets from panel (or back of heat sink)
CAUTION: The Heat Sink and Radiation Sheet are NOT included on LCD Panel.
For LCD Panel replacement you can reuse the heat sinks, but you must replace the radiation sheets.
For LCD Panel replacement you can reuse the heat sinks, but you must replace the radiation sheets.
3 Remove 2 Screws
4 Disconnect 3 Connectors from inverter board
5 Release Logo Holder from Center Cabinet
6 Disconnect 1 Connector and remove
Illumination Module from Center Cabinet
1-7. H3R BOARD AND H4R BOARD REMOVAL
1 Disconnect 1 Connector and release H3R Board from Center Cabinet
2 Disconnect 1 Connector and release H4R Board from Center Cabinet
1
2
H3R Board
H4R Board
1-8. LCD PANEL, ILLUMINATION MODULE AND LOGO HOLDER REMOVAL
1-8-1. CLEANING THE LCD PANEL
CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.
1 Clean the cabinet of the TV with a dry soft cloth.
2 Wipe the LCD screen gently with a soft cloth.
Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water.
If using a chemically pretreated cloth, please follow the instruction provided on the package.
Never use strong solvents such as a thinner, alcohol or benzine for cleaning.
Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation.
If using a chemically pretreated cloth, please follow the instruction provided on the package.
Never use strong solvents such as a thinner, alcohol or benzine for cleaning.
Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation.
LCD Panel
3
4
Heat Sink
Radiation
Sheet
1
2
5
6
Front Assembly
Logo Holder
Illumination
Module
Module
☛
18
KDL-52XBR7
KDL-52XBR7
1 Remove 7 Screws from both inverter Covers
2 Slide out Inverter Boards from Light Sockets
1-9. INVERTER BOARD REMOVAL (FOR REFERENCE ONLY)
SHIELD REMOVAL
BALANCER (ETC-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.
REMOVE SCREWS
SECURING
SHIELD
REMOVE
CONNECTORS AND
PULL BOARDS TO
THE RIGHT
!
.
OCCUR!
BACKLIGHT
END VIEW
SOCKET
1
1
2
Cover
Balancer Board
LCD Panel
19
KDL-52XBR7
KDL-52XBR7
WIRE DRESSING
1) Apply Main harness 40P into slide clamp ( 2 ).
3) Apply cushion tape as shown on drawing using as a
reference the preparation for routing speaker cables (blue
arrows)
3) Apply cushion tape as shown on drawing using as a
reference the preparation for routing speaker cables (blue
arrows)
1-910-048-49
20
KDL-52XBR7
KDL-52XBR7
1)
Connect logo cable to board [H5]
1-910-048-49
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