Sony KDL-26S5500 / KDL-32S5500 / KDL-37S5500 Service Manual ▷ View online
– 8 –
KDL-26, 32, 37 S5500
RM-GD007, CD003
2-6.
T
riag
e
Char
t
Symptom (dead set)
Video distored or missing
No Video
No Video
No Video
No Tuner
Tuner OK
No HDMI
No Audio
BL OK
No BL
BL OK
Video OK
Video 1-3
OSD OK
No OSD
Bad
BA board
HLSA board
HSW unit
G2AE(26"), G2BE(32")
G4 board (37")
T-con board (32
"
&37
"
)
Speaker unit
RF module
Panel module
LVDS cable
Joint connector
Problem
Low B+
Low B+
BL
Temp
Audio
Digital
Flowchart
A
A
D
A
B
A
A
C
A
C
C
C
C
B
(Please refer to Section 3-1 : Troubleshooting for Flowchart Reference
Doubtful part
few possibility
Reference
2Blinks
5Blinks
6Blinks
7Blinks
8Blinks
10Blinks
No Power
– 9 –
KDL-26, 32, 37 S5500
RM-GD007, CD003
SECTION 3
TROUBLESHOOTING
3.1 Flowchart
3-1-1. Flowchart A
NO POWER
No Power
176-264VAC
on
G2AE, G2BE, G4
3.3V_DC
CN1300 3PIN on
BA Board
Does Power
Button work?
BA Board
Yes
Yes
Yes
AC Cable
G2AE, G2BE, G4
Switch Unit
No
No
No
88-132VAC
on
G2AE, G2BE, G4
Destination
WB
E, HK
Yes
No
– 10 –
KDL-26, 32, 37 S5500
RM-GD007, CD003
3-1-2.
Flo
wc
har
t B
Only
Speaker
out?
HDMI
Problem
?
Analog
Channel
Problem
?
Digital
Channel
Problem
?
BA Board
No
No
No
No
UI o
f
Au
dio S
e
tting
correct
?
Vo
lu
m
e
, T
V
Speaker
BA Board
BA Board
BA Board
Set correctly or
reset by me
nu
Che
ck Spea
ker
BA board
No
Yes
Yes
AUDIO PROBLEM
– 11 –
KDL-26, 32, 37 S5500
RM-GD007, CD003
3-1-3.
Flo
wc
har
t C
BA Board
Video
Problem
All i
n
pu
ts
have
pro
bl
em
?
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
VIDEO PROBLEM
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