Sony KDL-46HX729 / KDL-55HX729 Service Manual ▷ View online
KDL-46HX729/55HX729 A-5
APPENDIX A - REMOVING THE REAR COVER
5. After lifting the bottom of the Rear Cover, grasp the AC
Power Cord while continuing to lift up the Rear Cover.
CAUTION: Do not pull the AC Power Cord or damage
the connector the Power Supply Board.
6. Disconnect the AC Power Cord connector to detach it
from the Power Supply Board.
NOTE: To release the AC Power Cord from the Rear
Cover, release the clips on the inside of the Rear Cover
to detach it from the Rear Cover.
7. When lifting the Rear Cover from the area around the
RU Board (located above the Terminal), disconnect
the RS232 connector from the Main Board before fully
removing the cover.
CAUTION: Removing the Rear Cover without detaching
the RS232 connector from the Main Board could cause
damage to the Main Board.
KDL-46HX729/55HX729 B-1
APPENDIX B - ATTACHING THE REAR COVER
REATTACHING THE REAR COVER TO THE BEZEL
The following instructions provide additional information for reattaching the Rear Cover to the LCD Panel.
KDL-46HX729 ONLY
1. Gently place the LCD Panel face down onto a soft
cloth.
2. Reattach the Rear Cover.
3. Using the illustration below, ensure that the Rear
Cover is securely attached by aligning the slots on the
Rear Cover with the clips on the Bezel and then press
the Rear Cover onto the Bezel.
KDL-46HX729/55HX729 C-1
APPENDIX C - REPLACING THE LCD PANEL
REMOVING THE LCD PANEL FROM THE
BEZEL
The LCD Panel is adhered to the Bezel using double sided tape.
When replacing the panel, you should also replace the tape.
Caution: These instructions should be followed whenever
separating the LCD Panel from the Bezel.
1. Using the instructions provided in
“Rear Cover and RU
Board Removal” on page 48
, remove the rear cover,
all of the boards, and connectors.
CAUTION: To avoid damaging the panel and bezel,
always lay the TV with the bezel face down on the cloth
to pull the panel off of the bezel. Placing the panel face
down on the cloth and attempting to pull the bezel off of
the panel may cause damage to the panel.
2. Remove the Panel Brackets.
NOTE: A flat head screw driver can be used to remove
the brackets.
Panel Bracket
3. Remove the HMS3 Board and the HLR2 Board.
NOTE: The LED Bracket is part of the bezel assembly.
KDL-46HX729/55HX729 C-2
APPENDIX C - REPLACING THE LCD PANEL
4. Placing one hand between the LCD Panel and the
bezel, gently start to lift the panel away from the bezel.
Lift up by
holding the
portion of
the panel.
DO NOT
hold onto
the LCD cells
5. Continue the process until the panel is removed from
the bezel.
Lift slowly
removing
one section
at a time.
REATTACHING THE LCD PANEL ONTO
THE BEZEL
The double-sided tape used to adhere the LCD Panel to the Bezel
should be replace whenever the panel or the
bezel
is replaced.
1. Place the replacement bezel face down on a soft cloth.
2. Ensure that all of the original tape has been removed
from the LCD panel and the bezel.
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