Sony KDL-40W4500 / KDL-46W4500 / KDL-52W4500 Service Manual ▷ View online
– 9 –
KDL-40, 46, 52W4500
RM-GD004
RM-GD006
RM-GD006
SECTION 3
TROUBLESHOOTING
Trouble
YES
Set Power
NO
See
1. No Power
Chart [B]
See
2. Standby LED Error Display (2-6)
See
4. Audio Problem
Chart [C]
See
5. Video problem
Chart [D]
Audio
Video
Red blinks
LED
Green
– 10 –
KDL-40, 46, 52W4500
RM-GD004
RM-GD006
RM-GD006
3-1. No Power
Flow Chart [B]
3.3Vdc
CN6401 #3
on BGA/BGC
NO
Power board
(No STBY 3.3V)
YES
NO
207 ~ 253Vac
Inlet on Power
board
Inlet on Power
board
YES
AC cable or AC inlet
No Power
(No relay clicks)
YES
Does Power
button work?
button work?
NO
Switch Unit
BGA/BGC board
– 11 –
KDL-40, 46, 52W4500
RM-GD004
RM-GD006
RM-GD006
3-2. Audio Problem
Flow Chart [C]
Audio
pr
ob
le
m
Onl
y
Speak
e
r
out
?
YE
S
NO
UI
s
etti
n
g
co
rrec
t?
Vol
u
m
e,
S
P
of
f/
O
n
HP
Lin
k
Anal
og
Channe
l
Pr
o
b
le
m?
Digital
Channe
l
Pr
o
b
le
m?
HDM
I
Pr
o
b
le
m?
Se
t
correct
ly
o
r
reset
b
y
m
en
u
.
Ch
eck
S
p
eak
e
r
or BGA/BGC board
NO
YE
S
NO
NO
Ch
eck
BGA/BGC
board
Ch
eck
BGA/BGC board
BGA/BGC board
Ch
eck
YE
S
YE
S
YE
S
NO
Ch
eck
BGA/BGC
board
Here is trouble shooting flow related audio
– 12 –
KDL-40, 46, 52W4500
RM-GD004
RM-GD006
RM-GD006
3-3. Video Problem
Flow Chart [D]
g
Video
pr
ob
le
m
Al
l
inputs
have
pr
ob
le
m
?
YE
S
NO
Anal
og
Channe
l
Pr
o
b
le
m?
Digital
Channe
l
Pr
o
b
le
m?
HDM
I
Pr
o
b
le
m?
Ch
eck
LVDS
h
a
rn
es
s
Po
w
e
r
b
oa
rd
s
BGA/BGC board
Pa
n
e
l
Mo
dul
e
NO
NO
Ch
eck
Ch
eck
Ch
eck
BGA/BGC board
BGA/BGC board
BGA/BGC
board
YE
S
YE
S
YE
S
NO
Ch
eck
BGA/BGC
board
NO
Ch
eck
BGA/BGC board
YE
S
YE
S
Ba
ck
L
ig
h
t
tur
n
on?
OSD
appear
?
NO
Ch
eck
LVDS
h
a
rn
es
s
BG
A boar
d
Pa
n
e
l
Mo
dul
e
Here is trouble shooting flow related Video
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