Sony KDL-40EX725 Service Manual ▷ View online
KDL-40EX725 63
SECTION 7 - SERVICE ADJUSTMENTS
RESETTING THE TV TO FACTORY
CONDITION
Use the following instructions to restore the User Adjustments and
Channel Memory settings to the preset factory conditions.
1. Turn the TV On by pressing
POWER
.
2. While holding down the on the Remote Commander,
press the
POWER button on the side of the TV.
3. The set restarts and displays the Initial Setup screen.
This may take several minutes.
RESETTING THE TV TO FACTORY CONDITION
USING SERVICE MODE
1. TV must be in standby Mode. (POWER off).
2. Press the following buttons on the Remote Commander
within a second of each other:
DISPLAY Channel 5 Volume + POWER
If necessary, press
JUMP
or
OPTIONS
to go to DIGITAL
mode.
3. Press the following buttons on the Remote Commander
within a second of each other:
Press
8
MUTING
0
.
“SERVICE” changes to green RST.
RST executes the command and displays EXE.
EXE-RST displays green, then red indicating the TV is
writing the data.
4. When the process is complete the green SERVICE text
displays and the LED display as shown below:
TIMER
Standby
POWER
TIMER
Standby
POWER
5. Cycle AC Power
(Unplug and Plug AC Cord from the AC Outlet).
The set restarts and displays the Initial Setup screen.
This may take several minutes.
KDL-40EX725
64
Sony Corporation
Sony Technology Center
Technical Services
Service Publication Department
9-888-451-02
English
2011FJ74WEB-1
Printed in USA
© 2011.6
is a trademark of Sony Electronics
Reproduction in whole or part without written permission is prohibited. All rights reserved
KDL-40EX725 A-1
APPENDIX A - REMOVING THE REAR COVER
REMOVING THE POWER CORD FROM THE
REAR COVER
The AC Power Cord is connected to the Power Supply Board and
then routed out through the Rear Cover. When removing the Rear
Cover use caution to avoid pulling the AC Power Cord which may
damage the cord.
Caution: These instructions should be followed whenever
removing the Rear Cover.
1. Using the instructions provided in the
“Rear Cover and
AC Cover Removal” on page 41
, remove the screws
from the Rear Cover.
2. Remove 1 screw from AC Cover.
3. Using the illustration to locate the clips that secure the
Rear Cover to the Bezel, gently start to lift the Rear
Cover to detach it from the Bezel.
4. Gently start to lift the Rear Cover to detach it from the
Bezel.
5. Continue pulling the Rear Cover up from the Bezel one
section at a time.
KDL-40EX725 A-2
APPENDIX A - REMOVING THE REAR COVER
6. Lift up Rear Cover with AC Cover and AC Power Cord
attached.
NOTE: Hold AC Power Cord while lifting up Rear
Cover. Do not pull the AC Power Cord or damage the
connector on the Power Board.
7. Disconnect the AC Power Cord to detach from Power
Supply Board.
8. Release the clips on the inside of the rear cover to
detach the AC Cover.
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