Sony KDL-52V4100 / KDL-52W4100 / KDL-52WL140 Service Manual ▷ View online
17
KDL-52V4100/52W4100/52WL140
KDL-52V4100/52W4100/52WL140
1-9. LCD
PANEL
REMOVAL
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 and which side is attached to the BU Board. Refer to Wire Dressing Illustration on Page 32 for KDL-52V4100
models or Page 50 for KDL-52W4100 & KDL-52WL140 models.
1 Remove 3 screws to detach Heat Sink from LCD Panel (KDL-52W4100 & KDL-52WL140 models only)
2 Gently remove Radiation Sheet (Heat Transfer Pad) (KDL-52W4100 & KDL-52WL140 models only)
CAUTION: The Heat Sink and Radiation Sheet are NOT included on LCD Panel.
For LCD Panel replacement you can reuse the heat sink, but you must replace the radiation sheet.
3 Disconnect 3 connectors
4 Remove 2 screws
4 Remove 2 screws
1-9-1. 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.
Bezel
LCD Panel
3
4
Heat Sink
Radiation Sheet
(Heat Transfer Pad)
1
2
☛
18
KDL-52V4100/52W4100/52WL140
KDL-52V4100/52W4100/52WL140
1 Remove 7 screws from each Inverter Cover
2 Pull out the Balancer board from the Lamp Socket.
2 Pull out the Balancer board from the Lamp Socket.
1-10. BALANCER (ETC-INVERTER MT) BOARD REMOVAL
1
1
2
Shield
Balancer Board
LCD Panel
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
19
KDL-52V4100/52W4100/52WL140
KDL-52V4100/52W4100/52WL140
WIRE DRESSING
KDL-52V4100 ONLY
H Boards/Speaker Harness
Apply Sheet Core C over RED UL tape
once harness is centered over panel.
once harness is centered over panel.
Center RED UL tape on the harness to the Center of
the panel. Use Plastic Boss and “dimple” as guides
where center of panel is.
the panel. Use Plastic Boss and “dimple” as guides
where center of panel is.
SHEET CORE C (2-688-011-01)
QTY=11
LCD TAPE (2-688-062-01)
QTY=6
SLIDE CLAMP (2-650-770-01)
QTY=1 (UPPER VESA
SUPPORT)
SLIDE CLAMP (2-650-770-11)
QTY=12
CHO-FAB TAPE (2-888-494-01)
QTY=1
HIMELON TAPE (2-661-260-01)
QTY=1
LEGEND
20
KDL-52V4100/52W4100/52WL140
KDL-52V4100/52W4100/52WL140
KDL-52V4100 ONLY
SHEET CORE C (2-688-011-01)
QTY=11
LCD TAPE (2-688-062-01)
QTY=6
SLIDE CLAMP (2-650-770-01)
QTY=1 (UPPER VESA
SUPPORT)
SLIDE CLAMP (2-650-770-11)
QTY=12
CHO-FAB TAPE (2-888-494-01)
QTY=1
HIMELON TAPE (2-661-260-01)
QTY=1
LEGEND
H Boards/Speaker Harness
Apply Sheet Core C over UL tape
as shown.
as shown.
1
2
3
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