KDL-32HX755, KDL-40HX755, KDL-46HX755, KDL-55HX755 - Sony TV Service Manual (repair manual). Page 37

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KDL-32HX755/40HX755/46HX755/55HX755 28
SECTION 5 - UPDATES AND ADJUSTMENTS
RESETTING THE LCD PANEL TO UPDATE THE SOFTWARE
NOTE: These steps are only required if the software did not update.
1.  Take the TV out of deep Standby mode by pressing 
POWER
to 
turn on the TV.
2.  Press 
POWER
to turn the TV back off.
3.  Access Service Mode by pressing the following buttons on the 
Remote Commander within a second of each other: 
 
DISPLAY
 
 Channel 
5
 
 Volume 
+
 
 
POWER
4.  The 
DIGITAL Service Menu displays.
 
NOTE:  There are 3 Service Menus for this model, DIGITAL, 
CHASSIS, and VPC.
5.  Press 
JUMP
 or 
OPTIONS
 on the Remote Commander until the 
CHASSIS menu displays.
CHASSIS
SERVICE
000
000 
WYVERN
S2_NOISE_TH        32
6.  Press 
2
 to move to the next category until the
 007 DL category 
displays.
CHASSIS
SERVICE
007
000 
DL
PID_DATA_MISMAT  0       
7.  Press 
3
 to increase the data value to 1.
CHASSIS
SERVICE
007
000 
DL
PID_DATA_MISMAT  1       
8.  Press 
MUTING
 then press 
0
 to WRITE (Save) the changes.
 
When complete, the screen briefly indicates “WRITE”.
CHASSIS
SERVICE
WRITE
007
000 
DL
PID_DATA_MISMAT  1       
9.  Exit service mode by turning the TV power off.
10.  Return to “Updating the Software” on page 27
.
SELECTING THE SEGMENT CODE
Before proceeding, update the software to the latest version. After updating 
the software, go into Service Mode to select the correct Segment Code 
data value. 
Verify before proceeding to the next step:
 
;
Updated the Software
1.  Take the TV out of deep Standby mode by pressing 
POWER
to 
turn on the TV.
2.  Press 
POWER
to turn the TV back off.
3.  Access Service Mode by pressing the following buttons on the 
Remote Commander within a second of each other: 
 
DISPLAY
 
 Channel 
5
 
 Volume 
+
 
 
POWER
4.  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.
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