Sony Trinitron KV-PF14L7J, Service Manual

Page: 18 / 61

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KV-PF14L7J/PF14P40
RM-952
19
Additional Information
continued
Possible cause
Symptom
Solutions
Good pictur
e
No sound Dotted lines or stripes Double images
or
“ghosts” N
o
color
Abnormal color patches
•
P
ress
¸
+ to incr
ease the volume level.
•
P
ress
¤
to cancel the muting.
•
Do not use a hair dryer or other equipment near the TV
.
•
Adjust the antenna dir
ection for
minimum interfer
ence. Contact a Sony
dealer for advice.
•
Use a highly dir
ectional antenna.
•
Use the fine tuning (FINE) function. (page 10)
•
Adjust the antenna dir
ection. Contact a
Sony dealer for advice.
•
T
urn of
f or disconnect the booster if it is
in use.
•
P
ress SELECT until “COLOR” appears
on the scr
een, then pr
ess + or
– to adjust
the color level. (page 15)
•
Pr
ess SELECT until “COL
SYS” appears
on the scr
een, then check the color
system setting (usually set this to “AUT
O”). (page 9)
•
Adjust the antenna dir
ection. Contact a
Sony dealer for advice.
•
Keep external speakers or other electrical equipment away fr
om the TV
.
Do not move the TV while the TV is turned on. Pr
ess
U
(main power) on
the TV to turn of
f the TV for about five
minutes, then turn it on again.
•
The volume level is too low
.
•
The sound is muted.
•
Ther
e is local interfer
ence
fr
om cars, neon signs, hair
dryers, power generators, etc.
•
B
roadcast signals ar
e
re
flected by nearby
mountains or buildings.
•
The antenna dir
ection is
inappr
opriate.
•
Use of a booster is inappr
opriate.
•
The color level setting is too low
.
•
The color system setting is inappr
opriate.
•
The antenna dir
ection is
inappr
opriate.
•
The magnetic disturbance fr
om external speakers or
other equipment, or the dir
ection of the earth’s
magnetic field may af
fect
the TV
.
20
Additional Information
Lines moving acr
oss the
TV scr
een.
The
u
indicator on your
TV flashes r
ed a number
of times between 3-second intervals. TV cabinet cr
eaks.
A “boom” sound is hear
d
when the TV is tur
ned on.
Possible cause
Symptom
Solutions
•
Use the fine tuning (FINE) function. (page 10)
•
Contact your near
est Sony service
center
. (page 17)
— —
•
Ther
e is interfer
ence fr
om
external sour
ces, e.g.,
heavy machineries, nearby br
oadcast station.
•
Y
our TV may need service.
•
Changes in r
oom
temperatur
e sometimes
make the TV cabinet expand or contract, making a noise. This does not indicate a malfunction.
•
The TV’s demagnetizing function is working. This does not indicate a malfunction.
Tr
oubleshooting (continued)