Read Sony KDL-55W900A Service Manual online
KDL-55W900A 14
SECTION 3 - REPAIR INFORMATION
10. To access
Service Mode, turn TV ON and OFF again then press the
following buttons within 1 second of each other:
DISPLAY
Channel
5
Volume
+
POWER
11. When the
DIGITAL Menu appears, press
2
until
002 MODEL
category displays.
12. Press
1
until
005 VAR_TYPE item displays.
DIGITAL
SERVICE
002 MODEL
005 VAR_TYPE
STD
13. Press
3
until
UC option displays.
DIGITAL
SERVICE
002 MODEL
005 VAR_TYPE
UC
14. Press
MUTING
then
0
to save the changes.
DIGITAL
SERVICE
002 MODEL
005 VAR_TYPE
005 VAR_TYPE
UC
WRITE
15. When the LED starts blinking, insert a USB device with the latest
Software into the TV.
16. Wait approximately 5 minutes until the Software installation is
completed.
CAUTION: TV will turn ON and OFF during this process.
17. After 5 minutes turn TV ON, wait for a successful update screen to
display and remove the USB device.
18. Turn TV OFF again.
19. Access
Service Mode by pressing the following buttons within 1
second of each other:
DISPLAY
Channel
5
Volume
+
POWER
20. When the
DIGITAL Menu appears, press
2
until
002 MODEL
category displays.
21. Press
1
until
001 DEST item displays.
DIGITAL
SERVICE
002 MODEL
001 DEST
ATSC-UC_BASE
CAUTION: If the incorrect Destination Data Value is selected, it may
corrupt the Sofware requiring a Main Board replacement.
corrupt the Sofware requiring a Main Board replacement.
22. Select the correct destination of the TV , press
3
to increase or
6
to decrease the data value (Use the table below for reference).
Model Name
Destination
Data Value
KDL-55W900A
US/CND
ATSC-UC_BASE
23. Press
MUTING
then
0
to save the changes.
DIGITAL
SERVICE
002 MODEL
001 DEST
WRITE
ATSC-UC_BASE
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