KDL-46HX850, KDL-55HX850 - Sony TV Service Manual (repair manual). Page 48

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KDL-46HX850/55HX850 39
SECTION 5 - UPDATES AND ADJUSTMENTS
COMPLETING SERVICE REQUIREMENTS WHEN  
REPLACING THE LCD PANEL OR TCON BOARD 
The following must be performed after replacing the LCD Panel or TCON 
Board to ensure that all of the features for the TV will be available. 
 
Updating the Software
 
Copying the BU Flash Data
 
Confirming the Model ID and Product ID
 
Resetting the Panel Operation Time
 
Clearing the Self Diagnosis Self Check Information
UPDATING THE SOFTWARE
There are 2 situations that can occur after replacing the LCD Panel or 
TCON Board. 
1.  After replacing the LCD Panel or TCON Board, turn the TV ON.
Case 1 - If there is no picture displayed and lights flash on the front 
panel, insert the USB device. The update will start automatically.
NOTE: This update may take up to 5 minutes to complete. Do not 
remove the USB device, turn off the TV, or unplug the power cord 
while the update is in progress. 
Case 2 - If the picture displays, you will need to reset the LCD 
Panel ID to force update the software. Proceed to 
“Resetting the 
LCD Panel to Update the Software”.
2.  After the update is complete, proceed to 
“Copying the BU Flash 
Data”.
COPYING THE BU FLASH DATA
This procedure is to copy the White Balance adjustment data from the 
TCON Board to the Main Board. The BU Flash service item is under the 
VPC service menu. 
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
DIGITAL
SERVICE
001 OP
000 VERS   
---
<MAIN>
<EXT>
DM1.109AAA
RF:0000
WF1.101WAA
WF:9.2.1.12.4
DF3.300W00AA
WF:0A
YM1.409W00AA
FD:0.071
M4.091C
(DM1.109AAA)
DD2.001W00AA
PK2.001W00AA
<PEM>
MID:0543A11F
PM1.000W00AA
PID:01041040
PB1.300W00AA
PNL:FQLR460LT0101
TUNER: ENABLE
PL2.102W00A2
PD1.004G00B0
4.  Press 
JUMP
 or 
OPTIONS
 on the Remote Commander until the 
VPC menu displays.
VPC
SERVICE
000 
000 
DATA_COPY 
BU_FLASH            0
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