Sony KDL-40NX725 / KDL-46NX725 Service Manual ▷ View online
KDL-40NX725/46NX725
51
SECTION 7 - SERVICE ADJUSTMENTS
OVERVIEW
As mentioned in
“Section 2 - Software Requirements” on page 15
,
the models in this manual utilize a “generic” type Main Board,
therefore certain service adjustments settings must be changed or
confirmed when either the Main Board, LCD Panel, or TCON Board
are replaced.
UPDATING THE SOFTWARE
After replacing the Main Board, LCD Panel, or TCON Board, you
MUST UPDATE the SOFTWARE to the latest version. Instructions
for updating the software are included with the software package
on the Sony Authorized Servicer Portal at
http://www.sony.com/asp
website.
ACCESSING SERVICE ADJUSTMENT
MODE
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 .
DISPLAY
RM-YD062
5
VOLUME+
POWER
KDL-40NX725/46NX725
52
SECTION 7 - SERVICE ADJUSTMENTS
3. The
DIGITAL Service Menu displays.
NOTE: There are 3 Service Menus for this model,
DIGITAL, CHASSIS, and VPC. If the DIGITAL Service
Menu is not displayed, press
JUMP
or
OPTIONS
on the
Remote Commander.
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:1C117081
PM1.012W00LU
PID:0402000
PB1.000W00LU
PNL:LTK400HF0201
POP:X.XXX
PL1.011J46LUX
PD1.011J46LUX
Figure 7-4. Sample Digital Service Menu
press
or
JUMP
OPTIONS
CHASSIS
SERVICE
000
000
WYVERN
S2_NOISE_TH 32
Figure 7-5. Sample Chassis Service Menu
VIEWING OR CHANGING SERVICE DATA
Within each Service Menu are Categories and data information.
CHASSIS
SERVICE
000
000
WYVERN
S2_NOISE_TH 32
Data Value
Item Name
Category Number
Item Number
Category Name
Figure 7-6. Service Data Definitions
Use the buttons on the Remote Commander to review or change the
service data.
4. To change the Category, press
2
to move to the
Next Category or press
5
to go back to the Previous
Category.
Note: Pressing
2
or
5
only changes the Categories
within the Service Menu displayed.
5. To change the adjustment item, press
1
to move to
the Next Item or
4
to go back to the Previous Item.
6. To change the Data Value, press
3
to increase the
Data Value or
6
to decrease the Data Value.
7. Press
MUTING
then press
0
to WRITE (Save) the
changes.
8. To exit service mode, press
HOME
or turn the TV
power off.
KDL-40NX725/46NX725
53
SECTION 7 - SERVICE ADJUSTMENTS
VERIFYING SERVICE ADJUSTMENTS
The following procedures should be performed after updating the
software to ensure that the service adjustment data is accurate.
● Verify the Segment Code
● Verify the Destination
● Verify the Model Name
VERIFYING THE SEGMENT CODE
After updating the software, go into Service Mode to verify the
Segment Code data value is set.
CAUTION: Selecting the incorrect destination may requiring replacing
the Main Board.
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 .
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:1C117081
PM1.012W00LU
PID:0402000
PB1.000W00LU
PNL:LTK400HF0201
POP:X.XXX
PL1.011J46LUX
PD1.011J46LUX
3. Press
2
to move to the
002 MODEL category.
DIGITAL
SERVICE
002 MODEL
000 SEG
N1
4. Using the table, press
3
to increase the data value or
6
to decrease the data value, to select the correct
segment code data value.
SEGMENT
DATA VALUE
3a‐1
N1
5. Proceed to “Verifying the Destination”.
VERIFYING THE DESTINATION
The correct model may need to be selected after updating the
software.
6. Press
1
to move to the
001 DEST item.
DIGITAL
SERVICE
002 MODEL
001 DEST
LTN/ATSC
KDL-40NX725/46NX725
54
SECTION 7 - SERVICE ADJUSTMENTS
7. Using the table, press
3
to increase the data value or
6
to decrease the data value, to select the correct
destination of the TV.
DESTINATION
DATA VALUE
CHILE/PERU
LTN/ATSC
VENEZULA
LTN/ATSC
CAUTION: Verify the DESTINATION is set correctly
before proceeding to the next step. If another
destination Data Value is selected, it may possibly
corrupt the software which would require a Main Board
replacement.
8. Proceed to “Verifying the Model Name”.
VERIFYING THE MODEL NAME
The correct model may need to be selected after updating the
software.
9. Press
1
to move to the
002 MODEL item.
DIGITAL
SERVICE
002 MODEL
002 MODELNAME
KDL-40NX725
10. If the correct model does not display, press
3
until the
model displayed matches the model of the TV.
11. Press
MUTING
then press
0
to WRITE (Save) the
changes.
12. To exit service mode, press
HOME
or turn the TV
power off.
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:1C117081
PM1.012W00LU
PID:0402000
PB1.000W00LU
PNL:LTK400HF0201
POP:X.XXX
PL1.011J46LUX
PD1.011J46LUX
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