Sony KLV-40EX600 / KLV-46EX600 Service Manual ▷ View online
KLV-40/46EX600(CH)
13
SEC 2. TROUBLE SHOOTING
2-1. TRIAGE CHART
No Video
No Video
No Video
No Tuner
Tuner OK
No HDMI
No Audio
BL OK
No BL
BL OK
Video OK
Video 1-3
OSD OK
No OSD
Bad
BAA board
●
●
▲
▲
●
●
●
●
●
●
●
●
HLR board
GE3B(40”)
GE3B(40”)
●
●
●
●
●
●
GE2C (46")
●
●
●
●
●
●
T-con board
●
●
●
▲
Speaker unit
●
●
Panel m odule
●
FFC cable
▲
●
Joint connector
●
Problem
No Power
BAA
board
Balancer
TCON,
Panel ID
Inverter
Tem perature
No Power
BAA
board
BAA
board
BAA
board
BAA
board
BAA
board
BAA
board
BAA
board
●
Doubtful part
▲
few pos s ibility
No Power
Sym ptom (dead s et)
Video dis tored or m is s ing
Reference
6Blinks
7Blinks
2Blinks
3Blinks
4Blinks
5Blinks
KLV-40/46EX600(CH)
14
TROUBLE SHOOTING
2-2. NO POWER
No Power
176-264Vac
AC Cable
Power board
No standby 3.3V
BAA Board
3.3V_DC
CN6200 Pin3
On BAA Board
OK
NG
YES
NO
Power board
No REG12V
12.5V_DC
CN6200 Pin10
On BAA Board
YES
NO
KLV-40/46EX600(CH)
15
TROUBLE SHOOTING
2-3. VIDEO PROBLEM
Video Problem
All inputs have problem?
Check LVDS harness connection
between BAA board or Panel or
Power board
between BAA board or Panel or
Power board
BAA Board
BAA Board
HDMI problem?
NO
YES
BAA Board
RF/Analog input problem?
BAA Board
Digital input problem?
Backing ht turn on?
BAA Board
NO
YES
NO
YES
NO
YES
YES
NO
KLV-40/46EX600(CH)
16
TROUBLE SHOOTING
2-4. AUDIO PROBLEM
Audio Problem
Only Speaker out?
Set correctly by menu
BAA Board
BAA Board
HDMI problem?
NO
YES
BAA Board
RF/Analog input problem?
BAA Board
Digital input problem?
UI of Audio
setting correct?
Volume, TV speaker
Check Speaker
or BAA Board
NO
YES
NO
YES
NO
YES
YES
NO
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