XBR-49X850B - Sony TV Service Manual (repair manual). Page 21

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XBR-49X850B 17
SECTION 3 - REPAIR INFORMATION
7.  Press 
  RETURN
 on the Remote Commander.
8.  Turn the TV OFF.
9.  Press 
 on the Remote Commander and Power button 
I/0
 on TV 
to set unit to Shipping Condition.
10.  Clear the 
Self Check screen.
a.  Press Power 
I/0
 to exit 
Service Mode.
b.  Press the following buttons on the 
Remote Commander within  
 
1 second of each other:
       
DISPLAY
 
 
Channel
 
5
 
 
Volume
 
-
 
 
Power 
I/0
 
SELF CHECK
000 RESERVED
--------------------- --------------------- --------------------- 00
000 RESERVED
--------------------- --------------------- --------------------- 00
002 MAIN_POWE --------------------- --------------------- --------------------- 00
003 DC_ALERT
--------------------- --------------------- --------------------- 00
003 AUD_PROT
--------------------- --------------------- --------------------- 00
003 HDMI_EQ
--------------------- --------------------- --------------------- 00
003 TU_DEMOD --------------------- --------------------- --------------------- 00
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
--------------------- --------------------- --------------------- 00
00345   000333   06789
Error Count
c.  To clear the error history and error count press 
8
 
 
0
.
d.  Press Power 
I/0
 to exit the 
Self Check screen.
11.  Cycle AC Power (Unplug and plug AC Cord from the outlet).
REPLACING THE POWER SUPPLY BOARD
1.  Locate the Power Supply Board, disconnect all connectors and remove 
screws, then lift as shown to detach.
2.  Locate the Sheet Insulation and lift as shown to detach.
3.  Install the new Power Supply Board, Sheet Insulation, screws and 
connectors.
4.  Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version. 
Instructions are included with the Software package on the  
Sony 
Authorized Service Portal
 website.
a.  Insert the USB device with the latest Software into one of the TVs’  
 
USB ports.
b.  Connect TV to AC power.
c.  Wait at least 20 seconds.
d.  Press the Power button 
I/0
 on the TV to turn it ON.
e.  Wait until the Software update is completed.
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