Sony KDL-40EX620 / KDL-40EX621 / KDL-46EX620 / KDL-46EX621 / KDL-55EX620 / KDL-55EX621 Service Manual ▷ View online
KDL-40EX620/40EX621/46EX620/46EX621/55EX620/55EX621 79
SECTION 7 - SERVICE ADJUSTMENTS
4. Press
2
to move to “006 WB” Category.
VPC
SERVICE
006
000
WB
R_DRV 128
5. To change the data value of the
R_DRV, press
3
to
increase the value or
6
to decrease the value.
NOTE: The data value must be set between the range
1 to 255.
6. Press
1
to move to the next item (
001 G_DRV).
7. To change the data value, press
3
to increase the
value or
6
to decrease the value.
8. Repeat steps 6 and 7 for each of the following items:
002 B_DRV
003 R_BKG
004 G_BKG
005 B_BKG
9. To save the changes, press
MUTING
then press
0
.
10. To exit service mode, press
HOME
or turn the TV
power off.
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
3. If necessary, press
JUMP
or
OPTIONS
to go to DIGITAL
mode.
KDL-40EX620/40EX621/46EX620/46EX621/55EX620/55EX621 80
SECTION 7 - SERVICE ADJUSTMENTS
4. 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.
5. When the process is complete the green SERVICE text
displays and the LED display as shown below:
TIMER
Standby
POWER
6. 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-40EX620/40EX621/46EX620/46EX621/55EX620/55EX621 81
Sony Corporation
Sony Technology Center
Technical Services
Service Publication Department
9-888-391-02
English
2011BJ74WEB-1
Printed in USA
© 2011.2
is a trademark of Sony Electronics
Reproduction in whole or part without written permission is prohibited. All rights reserved
KDL-40EX620/40EX621/46EX620/46EX621/55EX620/55EX621 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.
KDL-40EX620/40EX621 ONLY
1. Using the instructions provided in the
“Rear Cover and
AC Cover Removal” on page 54
, 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.
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