Read Sony KDL-43W780C Service Manual online
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
Video
- missing or distorted
Remote Network
Audio
Skype
Smart
Core
Bluetooth
(BT)
2
3
4
5
6
7
8
9
10
No White
Power
LED &
does not
response
to remote
(Dead
Set)
Stationary
coloured
lines or
dots
No
video
One of
Inputs
No
video
all
Inputs
No
Remote
Wireless
can't
connect
No Audio
Skype
Can't Work
Smart
Core no
LED (Set
is still
alive)
Bluetooth /
One Step
Remote
(OSR) can't
connect
BAXL Board
TU Board
H* Board
Speaker
Skype Module
Wi-fi Module
BT Module
LD Board
LVDS FFC
Tcon
LCD Panel
Problem
Power Power LD
Panel
(Tcon)
Panel
(Backlight) TEMP
Soft-
ware Emitter
Audio
FAN
(N/A)
Local
I2C
2-5. Triage Chart
Self Diagnostic Function
10
Secondary possible defective part
Not Applicable
Not Applicable
Most likely defective part
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