Sony KV-AR21M50 Service Manual ▷ View online
24
Additional Information
Sony KV-AR21M50 Group A29 (
GB
)_4-101-321-11 (1)
Snowy picture
Noisy sound
Distorted picture
Noisy sound
Good picture
Noisy sound
No picture
No sound
Possible cause
Symptom
Solutions
x
Troubleshooting
If you find any problem while viewing your TV, please check the following
guide. If any problem persists, contact your Sony dealer.
guide. If any problem persists, contact your Sony dealer.
Page
22
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20
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20
22
9
8
• Check the antenna cable and connection
on the TV, VCR and at the wall.
• Check the antenna setup.
Contact a Sony dealer for advice.
• Display the “Channel Setup” menu and
select “Manual Program” to preset the
channel again.
channel again.
• Try using a booster.
• Turn off or disconnect the booster if it is in
use.
• Display the “Channel Setup” menu and
select the appropriate “TV System”.
• Check the power cord, antenna and VCR
connections.
• Press
?/1
(power).
• Press ! (main power) on the TV to turn
off the TV for about five seconds, then
turn it on again.
turn it on again.
• The connection is loose
or the cable is
damaged.
damaged.
• The antenna setup is
inappropriate.
• Channel presetting is
inappropriate or
incomplete.
incomplete.
• Signal transmission is
low.
• Broadcast signals are
too strong.
• The TV system setting
is inappropriate.
• The power cord,
antenna or VCR is not
connected.
connected.
• The TV is not turned
on.
Troubleshooting guide
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Additional Information
Sony KV-AR21M50 Group A29 (
GB
)_4-101-321-11 (1)
Good picture
No sound
No sound or
inappropriate
sound
inappropriate
sound
Dotted lines or
stripes
stripes
Double images or
“ghosts”
“ghosts”
No color
Picture slant
Possible cause
Symptom
Solutions
Page
• The volume level is too
low.
• The sound is muted.
• The Portable Audio
Mode is functioning.
• There is local
interference from cars,
neon signs, hair dryers,
power generators, etc.
neon signs, hair dryers,
power generators, etc.
• Broadcast signals are
reflected by nearby
mountains or
buildings.
mountains or
buildings.
• The antenna setup is
inappropriate.
• Use of a booster is
inappropriate.
• The color level setting
is too low.
• The color system
setting is
inappropriate.
inappropriate.
• The antenna setup is
inappropriate.
• The magnetic
disturbance from
external speakers or
other equipment, or
the direction of the
earth’s magnetic field
may affect the TV.
external speakers or
other equipment, or
the direction of the
earth’s magnetic field
may affect the TV.
• Press 2 + to increase the volume level.
• Press
to cancel the muting.
• Display the “Setup” menu and set the
“Portable Audio Mode” to “Off”.
• Do not use a hair dryer or other
equipment near the TV.
• Check the antenna setup. Contact a Sony
dealer for advice.
• Use a highly directional antenna.
• Use the fine tuning (“Fine”) function.
• Check the antenna setup. Contact a Sony
dealer for advice.
• Turn off or disconnect the booster if it is in
use.
• Display the “Picture” menu and select
“Personal” of “Mode”, then adjust the
“Color” level in “Picture Adjustment”.
“Color” level in “Picture Adjustment”.
• Display the “Setup” menu and check the
“Color System” setting (usually set this to
“Auto”).
“Auto”).
• Check the antenna setup. Contact a Sony
dealer for advice.
• Keep external speakers or other electrical
equipment away from the TV.
• Display the “Setup” menu and adjust
“Picture Rotation” so that the picture
position is optimal .
position is optimal .
9
9
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15
21
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Good morning!
continue
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Additional Information
Sony KV-AR21M50 Group A29 (
GB
)_4-101-321-11 (1)
Possible cause
Symptom
Solutions
Abnormal color
patches
patches
The 1 (standby)
indicator on
your TV flashes
red several
times after
every three
seconds.
indicator on
your TV flashes
red several
times after
every three
seconds.
TV cabinet
creaks.
creaks.
A small “boom”
sound is heard
when the TV is
turned on.
sound is heard
when the TV is
turned on.
–
–
–
–
• The magnetic
disturbance from
external speakers or
other equipment, or the
direction of the earth’s
magnetic field may
affect the TV.
external speakers or
other equipment, or the
direction of the earth’s
magnetic field may
affect the TV.
• Your TV’s self-
diagnosis function
indicates the possible
problems.
indicates the possible
problems.
• Changes in room
temperature sometimes
make the TV cabinet
expand or contract,
causing a noise. This
does not indicate a
malfunction.
make the TV cabinet
expand or contract,
causing a noise. This
does not indicate a
malfunction.
• The TV’s demagnetizing
function is working.
This does not indicate a
malfunction.
This does not indicate a
malfunction.
• Keep external speakers or other
equipment away from the TV. Do not
move the TV while the TV is turned on.
Press ! (main power) on the TV to turn
off the TV for about 15 minutes, then turn
it on again to demagnetize the TV.
move the TV while the TV is turned on.
Press ! (main power) on the TV to turn
off the TV for about 15 minutes, then turn
it on again to demagnetize the TV.
• Count the number of times the 1
(standby) indicator flashes. Press !
(main power) to turn off your TV.
Contact your nearest Sony service center.
(main power) to turn off your TV.
Contact your nearest Sony service center.
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Page
continued
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Additional Information
Sony KV-AR21M50 Group A29 (
GB
)_4-101-321-11 (1)
Power requirements
Power consumption (W)
Television system
Color system
Channel coverage
B/G
I
D/K
M
8
(Antenna)
Audio output (Speaker)
Number of terminal
(Video)
(Audio)
(S Video)
(Component
Video)
i
(Headphone)
Picture tube
Tube size (cm)
Screen size (cm)
Dimensions (w/h/d, mm)
Mass (kg)
x
Specifications
Design and specifications are subject to change without notice.
Note
110-240 V AC, 50/60 Hz
Indicated on the rear of the TV
B/G, I, D/K, M
PAL, PAL 60, SECAM, NTSC3.58, NTSC4.43
VHF : E2 to E12
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : E21 to E69
CATV : S01 to S03, S1 to S41
UHF : B21 to B68
CATV : S01 to S03, S1 to S41
CATV : S01 to S03, S1 to S41
VHF : C1 to C12, R1 to R12
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
UHF : C13 to C57, R21 to R60
CATV : S01 to S03, S1 to S41, Z1 to Z39
VHF : A2 to A13
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
UHF : A14 to A79
CATV : A-8 to A-2, A to W+4, W+6 to W+84
75-ohm external terminal
10 W + 10 W
Input: 2
Output: 1
Phono jacks; 1 Vp-p, 75 ohms
Input: 2
Output: 1
Phono jacks; 500 mVrms
Input: 1
Y: 1 Vp-p, 75 ohms,
unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
Input: 1
Phono jacks;
Y: 1 Vp-p, 75 ohms,
sync negative
C
Y: 1 Vp-p, 75 ohms,
sync negative
C
B
: 0.7 Vp-p, 75 ohms
C
R
: 0.7 Vp-p, 75 ohms
Audio: 500 mVrms
Output: 1
Stereo minijack
21 in.
54
Measured diagonally
51
Measured diagonally
589 × 463 × 479
27
KV-AR21M50
Sony Corporation
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