Read Sony KDL-55W900A Service Manual online
KDL-55W900A 16
SECTION 3 - REPAIR INFORMATION
REPLACING THE POWER SUPPLY BOARD
1. Disconnect all connectors from Power Supply Board.
34. Clear the
Self Check screen.
a. Press
POWER
to exit
Service Mode.
b. Press the following buttons on the
Remote Commander within 1
second of each other:
DISPLAY
Channel
5
Volume
-
POWER
SELF CHECK
000 RESERVED
--------------------- --------------------- --------------------- 00
000 RESERVED
--------------------- --------------------- --------------------- 00
002 MAIN_POWE --------------------- --------------------- --------------------- 00
003 DC_ALERT
003 DC_ALERT
--------------------- --------------------- --------------------- 00
003 AUD_PROT
--------------------- --------------------- --------------------- 00
003 HDMI_EQ
--------------------- --------------------- --------------------- 00
003 TU_DEMOD --------------------- --------------------- --------------------- 00
004 VLED
004 VLED
--------------------- --------------------- --------------------- 00
004 LD_ERR
--------------------- --------------------- --------------------- 00
005 HFR_ERR
--------------------- --------------------- --------------------- 00
005 TCON_ERR
120123132522 120123113645 --------------------- 02
005 P_ID-ERR
--------------------- --------------------- --------------------- 00
006 BACKLITE
--------------------- --------------------- -------------------- 00
007 TEMP_ERR
--------------------- --------------------- --------------------- 00
007 FAN_ERR
--------------------- --------------------- --------------------- 00
010 EMITTER
--------------------- --------------------- --------------------- 00
101 VPC_WDT
--------------------- --------------------- --------------------- 00
102 MEPS_WDT --------------------- --------------------- --------------------- 00
103 HOST_WDT --------------------- --------------------- --------------------- 00
104 STBY_WDT
103 HOST_WDT --------------------- --------------------- --------------------- 00
104 STBY_WDT
--------------------- --------------------- --------------------- 00
00345 000333 06789
Error Count
c. To clear the error history and error count press
8
0
.
d. Press
POWER
to exit
Self Check Mode.
35. Cycle AC Power (Unplug and plug AC Cord from the outlet).
2. Remove 5 screws and lift to detach.
3. Install the new Power Supply Board, screws and all connectors.
4. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the
Instructions are included with the Software package on the
Sony
Authorized Service Portal
website.
a. Insert the USB device with the latest Software into the TV.
b. Press
POWER
to turn on the TV.
c. Wait until the Software update is complete and the TV turns OFF.
REPLACING THE SWITCH UNIT
1. Disconnect the 2 connectors. Remove 2 screws from Switch Unit and lift
to detach.
2. Install the new Switch Unit, screws and connectors.
REMOVING THE SPEAKERS
1. Press down the connector clip and pull to remove, then lift the Speaker
to detach.
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