Video Problem; Audio Problem - Sony KDL-22BX300 Service Manual

3-1-2. VIDEO PROBLEM

Video
Problem
All inputs
No
have
problem?
Yes
Backlight
Yes
Turn on?
No
Check LVDS harness
connection
between BAA board or
Panel or Power board

3-1-3. AUDIO PROBLEM

Only
Speaker
out?
Yes
UI of
Audio Setting
correct? Volume,
TV Speaker
No
Set correctly or
reset by menu
HDMI
No
Problem?
Yes
BAA
Board
BAA
Board
No
HDMI No
Problem?
BAA
Board
Yes
Check
Speaker
BAA board
RF/Analog
No
Input
Problem?
Yes
BAA
Board
RF/ Analog
No
Input
Problem?
BAA
Board
– 9 –
KLV-22, 26, 32 BX300, 40 BX400
Digital
No
BAA
Input
Board
Problem?
Yes
BAA
Board
Digital
No
BAA
Input
Board
Problem?
BAA
Board
RM-GA019