KDL-60W840B, KDL-60W850B, KDL-60W855B, KDL-60W857B, KDL-60W858B, KDL-70W830B, KDL-70W840B, KDL-70W850B, KDL-70W855B, KDL-70W856B, KDL-70W857B - Sony TV Service Manual (repair manual). Page 10

Read Sony KDL-60W840B / KDL-60W850B / KDL-60W855B / KDL-60W857B / KDL-60W858B / KDL-70W830B / KDL-70W840B / KDL-70W850B / KDL-70W855B / KDL-70W856B / KDL-70W857B Service Manual online

2-5. Triage Chart
Self Diagnostic Function
Reference 
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
No
Power
Video
- missing or distorted
Remote
Network
Audio
Skype
Smart 
Core
Bluetooth 
(BT)
No White 
Power LED 
& does not
Stationary 
coloured No video 
No 
video
No
Wireless
Skype
Smart 
Core no  
Bluetooth / 
One Step 
2
3
4
5
6
7
8
9
10 & does not 
response 
to remote 
(Dead Set)
coloured 
lines or 
dots      
One of 
Inputs
video 
all 
Inputs
No 
Remote
can't 
connect
No Audio
Skype 
Can't Work LED (Set 
is still 
alive)
Remote 
(OSR) can't 
connect
BAXL 
Board
















Board
TU* board







G2B Board






H** Board




Speaker


Speaker

Skype 
Module

Camera 
Module

Mic. 
Module

Module
Wifi Module



BT Module

LD Board


LVDS FFC




LVDS FFC




Tcon






LCD Panel






Power Power
LD
Panel
(Tcon)
Panel
(Backlight) TEMP
Soft-
ware
Emitter
Problem
(
)
(
g )
Audio
FAN
(N/A)
Local
I2C
10
Secondary possible defective part
Most likely defective part

Display

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