Sony KDF-E42A11E / KDF-E50A11E Service Manual ▷ View online
– 21 –
KDF-E42/50A11E
RM-ED002
4
6
GB
Troubleshooting
C
h
e
c
k
wh
et
he
r
th
e
1
(
s
ta
ndby)
indic
ator
is f
las
hing in
red.
When it is
flashing
The
self-diagnosis function is activated.
1
Me
asure
ho
w l
ong
the
1
(stan
dby) indi
cato
r
flash
es
a
nd stops fl
ashin
g
.
F
o
r
exa
m
ple,
the in
dic
ator flashe
s for
two se
conds,
stops
flashing for
on
e
secon
d, and fla
sh
es
for two seconds.
2
Pr
ess
1
on the TV (Front side)
to switch it
off, disc
o
nnect the mains lead,
and
inform your dealer or
Sony
service
centre
of h
o
w
th
e i
ndi
ca
to
r flash
es (d
uration
an
d
interval).
When it is
no
t
flashing
1
Check
th
e
items in
the
tabl
es
belo
w
.
2
If th
e
p
roble
m
still pe
rsi
sts,
h
a
ve your TV serviced
b
y
qu
alifie
d se
rvice person
nel.
Picture
P
ro
b
le
m
C
a
u
s
e
/R
e
m
e
d
y
No
pi
ctu
re
(screen
is
dark) a
nd
no soun
d
Check the
aerial connection.
Connect
the
TV to the
mains, and pr
ess
1
on the TV (front
sid
e).
If the
1
(stand
by)
indicator
lights up in red
, press
TV
"
/1
.
No
pi
ct
ure
or n
o me
nu
inf
ormat
io
n from equ
ipme
nt
conne
cte
d to the scart
conne
cto
r
Check that
the optional
equipment
is
on an
d
press
/
repeatedly until
the
correct inp
ut symbol is displayed on the
scr
een.
Check the
connection
between th
e
optional equipment and
th
e TV.
Di
st
orte
d p
ict
ure
When installing optional equipment, le
ave som
e space bet
ween the opt
ional
equipment and
th
e TV.
When changing progr
ammes or
select
ing Tex
t, tur
n
off
any
equip
men
t
conn
ected to the scart
connecto
r
on the
re
ar
of the
TV.
Do
ubl
e i
m
age
s o
r gh
ost
ing
Check aerial/cable conn
ections.
Che
ck t
he
ae
ria
l l
oca
ti
on a
nd
dire
ct
io
n.
O
n
ly sno
w and
no
ise
a
ppear
on th
e
s
c
reen
Check if the
aerial is broken
or bent.
Che
ck if the
ae
ria
l has
re
ac
he
d the
end
of
its
se
rvic
ea
ble
life
(three
to five
years in nor
mal u
se,
one to
two
years at
the seaside).
Pi
ctu
re
(dotte
d li
nes
or stri
pes)
noi
se
Kee
p t
he
TV
away
from
e
le
ct
ric
al
noi
se
sourc
es
suc
h
as c
ars, m
otorc
yc
les,
or hair
-dryers.
Make sure that th
e
aerial is conne
cted using the
supplied
coaxial
cable.
Keep
the aerial cable
away
from other connecting cables.
Do not use a 300
-ohm
twin
lead
cable
as interfer
ence
may occur
.
Pi
ctu
re
n
o
is
e whe
n v
iewi
ng
a
TV ch
anne
l
Se
le
ct
“Ma
nual
Pr
ogram
me
Preset
” i
n the
“Se
t Up”
me
nu and
adj
ust
“AFT”
(Automatic
Fine Tuning)
to
obtain better
pictur
e reception (p
age
32)
.
Se
le
ct
“
N
oise Redu
cti
on” in the
“Pic
ture
Adju
st
me
nt”
m
enu to red
uce
t
he
noise in
th
e
picture (page
22).
St
ripe
no
ise
du
ring
pl
ayb
ack/
re
cordi
ng of
a VCR
Video
head interference.
Ke
ep your VCR
away from
the TV
.
Leave
a
space
of 30 cm
between your VCR
and
the TV to avo
id noise.
Avoid installing your VC
R
in
fro
nt of
the TV or
be
side
the TV.
S
o
m
e
ti
ny
bl
a
c
k
po
in
ts
a
n
d
/or
brigh
t poi
nt
s on th
e
s
c
reen
The pictu
re
of a display
unit is comp
os
ed of
pixels. Tiny black points and/o
r
brigh
t
points (pixels) on
the screen do not indicate a
malf
unction.
No
co
lou
r
on
prog
ra
mmes
Select
“Reset
”
in
the “Pict
ure Adjust
ment” menu to ret
urn to the
fact
ory
settings (page
22
).
No
co
lou
r or irregu
lar col
our
wh
en vi
ewi
ng a
sig
nal
f
ro
m t
he
Y,
P
B
/C
B,
P
R
/CR j
a
cks
o
f
3
Check
the connection of
th
e
Y,
P
B
/C
B
, P
R
/C
R
jacks of
3.
Make sure
that the
Y,
P
B
/C
B
, P
R
/C
R
j
ac
ks
of
3 a
re
firm
ly se
at
ed i
n t
hei
r
respective sockets.
Sou
nd
P
ro
b
le
m
C
a
u
s
e
/R
e
m
e
d
y
No
so
und,
but
go
od
pi
ctu
re
P
re
ss
2
+/–
or
%
(Mute).
Che
ck that
“TV Spe
ake
rs”
is s
et to “
on”
in the
“F
ea
ture
s”
me
nu (page
26).
No
isy sou
nd
See the “Picture
noise” causes/remedies
on
page
46.
Channels
P
ro
b
le
m
C
a
u
s
e
/R
e
m
e
d
y
The d
esi
re
d chan
nel
c
anno
t be
sel
ected
Switch between
digital a
nd
analogue mode
an
d select
the desired
digital/
analogu
e channel
.
Some
ch
anne
ls are bl
ank
Scrambled/Subscription only channel.
Subscribe to the
Pay
Per View
se
rvi
ce
.
Chan
nel is used only for
data (no picture
or sound).
Contact
the broadcaster
for transmission details.
Di
gi
tal
chan
nel
i
s
not
di
spl
aye
d
Check
that the
aerial
is p
lugged dire
ctly into
the TV (not through
other
equipment).
Contact
a
lo
cal installer to find out if
dig
ital transm
issions are
pro
vided
in
your area.
Upgrad
e to a higher
ga
in aerial.
Gen
eral
P
ro
b
le
m
C
a
u
s
e
/R
e
m
e
d
y
T
he TV
t
u
rn
s
of
f
automati
cal
ly
(t
he TV ent
ers sta
ndby
mod
e)
T
he TV
t
u
rn
s
on
automati
cal
ly
Check if the
“Timer
” is
activated (page
28).
If no
sign
al is received or no
op
eration
is perf
ormed
in
the TV mode
for
10
minutes,
the TV automatically switches to standby
mode.
Check if the
“Timer
” is
activated (page
28)
Some
i
nput
s
ources
can
not
b
e
sel
ected
Se
le
ct
“
A
V Preset
” in the
“
S
et Up” me
nu and ca
nce
l “Ski
p” of
th
e inp
ut
so
urce (p
age
31)
.
The remot
e doe
s
n
ot f
unct
ion
Repl
ac
e the
b
at
te
ri
es
.
The l
a
mp in
dica
to
r
o
n
fr
on
t
of t
he TV
s
e
t i
s
l
it
.
Turn
the
T
V
of
f.
Turn
th
e
TV o
n a
gai
n,
if
the
l
am
p i
ndic
at
or i
s
stil
l
lit
t
hen
replace
the internal lamp.
For de
tails
refer to page 39
to
41
.
P
ro
b
le
m
C
a
u
s
e
/R
e
m
e
d
y
Continued
4
7
Additional Information
– 22 –
KDF-E42/50A11E
RM-ED002
SECTION 3 DISASSEMBLY
3-2. PILLAR REMOVAL
3-1. REAR COVER REMOVAL
3-4. MAIN BRACKET REMOVAL
3-3. MAIN BRACKET COVER REMOVAL
– 23 –
KDF-E42/50A11E
RM-ED002
3-7. POWER BLOCK REMOVAL
3-8. OPTICAL UNIT
3-6. N, JB, AG BOARDS
3-5. SERVICE POSITION
4
4
– 24 –
KDF-E42/50A11E
RM-ED002
3-10. SCREEN, MIRROR BLOCK ASSEMBLY REMOVAL
3-9. C BOARD REMOVAL
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