Sony KDL-32EX427 / KDL-32EX527 / KDL-40EX527 / KDL-46EX527 Service Manual ▷ View online
KDL-32EX427/32EX527/40EX527/46EX527 67
SECTION 7 - SERVICE ADJUSTMENTS
SETTING VCOM ADJUSTMENTS
VCOM adjustments are only required if there is any flickering when
the TV is turned on.
DISPLAYING THE VCOM TEST PATTERN
1. TV must be in standby mode. (Power off).
2. Access Service Mode by pressing the following buttons
on the Remote Commander within a second of each
other:
DISPLAY
Channel 5
Volume +
POWER .
3. Press
2
to move to the
003 DIG_SRV_MODE
Category.
DIGITAL
SERVICE
003 DIG_SERV_MODE
000 TEST_PATTERN
4. Press
0
to display the
TEST PATTERN.
DIGITAL (DIG_SERV_MODE)
SERVICE
TEST PATTERN
1 VIDEO
2 AUDIO
5. Press
ENTER
to display
1 Video.
DIGITAL (DIG_SERV_MODE)
SERVICE
TEST PATTERN
-->1 VIDEO
*1 White
2 Ramp
3 R Raster
4 G Raster
5 B Raster
6 Color Bar
7 VCOM Adjustment1
8 VCOM Adjustment2
9 Off
6. Chose one of the VCOM test patterns to determine
which one displays the most flickering.
a. Press
7
to display
VCOM Adjustment1.
b. Press
ENTER
twice to display the VCOM test
pattern.
or
a. Press
8
to display
VCOM Adjustment2.
b. Press
ENTER
twice to display the VCOM test
pattern.
7. Press
RETURN
twice to exit the test pattern screen.
KDL-32EX427/32EX527/40EX527/46EX527 68
SECTION 7 - SERVICE ADJUSTMENTS
ADJUSTING THE VCOM DATA
8. Press
JUMP
to access the
VPC Service Menu.
9. Press
2
to move to
002 VCOM category.
10. Press
1
to move to
000 ENABLE item.
VPC
SERVICE
002 VCOM
000 ENABLE
0
11. Press
3
to increase the data value from 0 to 1.
12. Press
1
to move to
001 ADJUST item.
VPC
SERVICE
002 VCOM
001 ADJUST
64
13. Press
3
or
6
to increase or decrease the data value
until the flickering in the picture is at an acceptable
level.
VERIFYING THE VCOM ADJUSTMENT SETTINGS
14. Press
JUMP
to access the
DIGITAL Service Menu.
15. Press
2
to move to
007 VCOM category.
DIGITAL
SERVICE
007 VCOM
000 SRV_OSD_EN
1
16. Press
3
to remove the on menu display.
17. Verify that flickering is at an acceptable level.
NOTE: If the picture continues to flickers, repeat steps
8
thru
17
until flickering is acceptable.
COMPLETING THE VCOM ADJUSTMENTS
18. Press
JUMP
to access the
VPC Service Menu.
19. Press
2
to move to
002 VCOM category.
20. Press
1
to move to
000 ENABLE item.
VPC
SERVICE
002 VCOM
000 ENABLE
0
KDL-32EX427/32EX527/40EX527/46EX527 69
SECTION 7 - SERVICE ADJUSTMENTS
21. Press
6
to decrease the data value from 1 to 0.
22. Exit service mode.
OPTIONAL ADJUSTMENTS
All Sony TVs are set for optimal viewing performance. Refer to the
following instructions if the customer requests additional adjustments.
SETTING WHITE BALANCE ADJUSTMENTS
White Balance adjustment data is located on the Digital Service
Menu.
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
.
DIGITAL
SERVICE
001 OP
000 VERS
---
<MAIN>
<EXT>
DM1.301W00AA
RF:01.05
WF1.003W00AA
WF:2.0.0.99
DF1.001W00AA
WF:0B
YM1.010W00AA
CAN:X.XXX
DB2.105W00AA
FDlXXXX
(DM1.301W00A)
DD1.016W00AA
WP0.521W00AA
<PEM>
MID:1D95E756
PM1.012W00LU
PID:10080000
PB1.000W00LU
PNL:LTY460HN0202
POP:X.XXX
PL1.011J46LUX
PD1.011J46LUX
3. Press
JUMP
or
OPTIONS
on the Remote Commander
until the
VPC menu displays.
VPC
SERVICE
000
000
DATA_COPY
BU_TRANS 0
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
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.
KDL-32EX427/32EX527/40EX527/46EX527 70
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.
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