Read Sony KLV-40Z550A / KLV-46Z550A / KLV-52Z550A Service Manual online
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KLV-40, 46, 52 Z550A
RM-GA017
Only
Speaker
out?
HDMI
Problem?
Analog
Channel
Problem?
Digital
Channel
Problem?
BA Board
No
No
No
No
UI of
Audio Setting
correct? Volume,
TV Speaker
BA Board
BA Board or RF module
BA Board or RF module
Set correctly or
reset by menu
Check Speaker
BA board
No
Yes
Yes
3-1-2. FLOWCHART B
3-1-3. FLOWCHART C
BA Board
Video
Problem
All inputs
have
problem?
HDMI
Problem?
Analog
Channel
Problem?
Digital
Channel
Problem?
No
No
No
No
BA Board
BA Board
BA Board
Check LVDS harness connection
Or BA board or Panel
No
Yes
Yes
Backlight
turn on?
BA Board
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