KDL-60W850B, KDL-70W850B - Sony TV Service Manual (repair manual). Page 20

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KDL-60W850B/70W850B 16
SECTION 3 - REPAIR INFORMATION
When replacing the Main Board and/or Tuner Board:
28.  Press 
1
 to verify the Main Board replacement results. 
 
NOTE:
 Either one of the following messages indicates  
a correct process.
DIGITAL  (MODEL)
SERVICE
Board Check
OK
TUNER BOARD OPTION: STANDARD
DIGITAL  (MODEL)
SERVICE
Board Check
OK
TUNER BOARD OPTION: PCA / HTL
TUNER BOARD OPTION is changed correctly
 
CAUTION: If the Main Board is a mismatch to the Tuner Board, 
a “NG: WRONG COMBINATION OF MAIN BOARD AND TUNER 
BOARD” will display.
29.  Press 
  RETURN
.
When replacing the Tuner Board only:
30.  Press 
2
 to verify the Tuner Board replacement results.  
DIGITAL  (MODEL)
SERVICE
Board Check
OK
TUNER BOARD OPTION: STANDARD
 
CAUTION: If the Tuner Board is a mismatch to the Main Board, 
a “NG: DIFFERENT KIND OF TUNER BOARD HAS BEEN 
CONNECTED” will display.
31.  Press 
  RETURN
.
32.  Turn the TV OFF.
33.  Press 
 on the Remote Commander and Power button 
I/0
 on TV 
to set unit to Shipping Condition.
34.  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 
Self Check Mode.
35.  Cycle AC Power (Unplug and plug AC Cord from the outlet).
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