Read Sony KLV-40S550A Service Manual online
– 10 –
KLV-40S550A
RM-GA015
2-6. Triage Chart
BA
Board
HSW Board
IP1F Board
T
-CON Board
Speaker Unit
RF Module
Panel Module
LV
DS cable
Joint Connector
Flowchart
Problem
Doubtful Part
A(i & ii)
A(i & ii)
A(i & ii)
A(i & ii)
A(i & ii)
A(i & ii)
A(i & ii)
DD
C
C
C
C
C
B
B
Few Possibility
Low B+
Low B+
T
emp
Audio
Balancer
T
-CON
Digital
BL
Reference
Symptom-(Dead Set)
(Refer Section 3:
Tr
oubleshooting (for flow chart reference))
Vi
deo- Distorted or Missing
2
Blinks
5
Blinks
6
Blinks
7
Blinks
8
Blinks
10
Blinks
13
Blinks
14
Blinks
No
Power
No V
ideo
BL
OK
OSD OK
No V
ideo
No BL
No T
uner
Vi
d
eo OK
No
HDMI
No
Audio
Tu
n
er OK
Vi
deo 1-3
Bad
No V
ideo
BL
OK
No OSD
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