KLV-40Z450A, KLV-46Z450A, KLV-52Z450A - Sony TV Service Manual (repair manual). Page 7

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KLV-40, 46, 52 Z450A
RM-GA012
Blinking times
Error
Countermeasure
2
DC_DET (12V Main Voltage)
Replace either/both
z
BG1V board
z
G6 board(Power Unit)
3
DC_ALERT 1
Replace BG1V board.
4
DC_ALERT 2
Replace BG1V board.
6
BACKLIGHT/
Replace either/all 
   z
 BG1V board
INVERTER ERROR
z
 G6 board(Power Unit)
z
 D4Z(inverter unit for 40”,46”)
z
 D4 and/or D5(inverter unit for 52”)
7
INTERNAL TEMP
Replace either/both 
z
 BG1V board
ERROR
z
 G6(Power Unit)
8
AUDIO ERROR
Replace either/all
z
BG1V board
z
G6 board(Power Unit)
z
Speaker
z
AWF board
9
HFR ERROR
Replace either/both BG1V board and Panel.
10
RESERVED
11
NVM ERROR
Replace either/both
z
BG1V board
z
G6 board(Power Unit)
12
IIC ERROR
Replace BG1V board.
13
BALANCER ERROR
Replace either/all 
   z
 BG1V board
z
 Panel
z
 D4Z(inverter unit for 40”,46”)
z
 D4(inverter unit for 52”)
z
 G6(Power Unit)
14
HDMI ERROR
2-5. Standby LED Error Display
Perform below countermeasures according to Standby LED blinking times.
Note: Each of the above blinking repeats every 2 seconds.
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