Read Sony KDL-42W850A / KDL-47W850A / KDL-55W850A Service Manual online
RB1G
CHASSIS
W850A
Self Diagnostic Function
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Green
LED
Blinking
No
Power
Video
- missing or distorted
Remote
Network
Audio
Skype
Smart Core
Bluetooth
(BT)
2-5. Triage Chart
Reference
g
2
3
4
5
6
7
8
10
Green
LED non-
stop
Blinking
No White Power
LED & does not
reponse to remote
(Dead Set)
Stationary
colored
lines or
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
B* Board
B Board
G* Board
H Board (IR)
H Board (SC)
Speaker
Skype Module
Wifi Module
BT M d l
BT Module
LD Board
LVDS FFC
Tcon
LCD Panel
Problem
Power Power
LD
Panel
(Tcon)
Panel
(Backlight)
TEMP
Soft-
ware
ware
Emitter
Audio
FAN
(N/A)
Local
Note: Details refer to Troubleshooting Section.
(*)
I2C
Secondary possible defective part
Most likely defective part
(*)
Size
B* Board Type G* Board Type
42”
BA2-S GL2S
47”
BA2-S
GL2S
55”
BA2-S
GL2E
14
Click on the first or last page to see other KDL-42W850A / KDL-47W850A / KDL-55W850A service manuals if exist.