DOWNLOAD Sony KV-AR21M50 Service Manual ↓ Size: 7.23 MB | Pages: 84 in PDF or view online for FREE

Model
KV-AR21M50
Pages
84
Size
7.23 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-ar21m50.pdf
Date

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.
Page
22
20
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.
• 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.
• The connection is loose
or the cable is
damaged.
• The antenna setup is
inappropriate.
• Channel presetting is
inappropriate or
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.
• The TV is not turned
on.
Troubleshooting guide
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25
Additional Information
Sony KV-AR21M50 Group A29 (
GB
)_4-101-321-11 (1)
Good picture
No sound
No sound or
inappropriate
sound
Dotted lines or
stripes
Double images or
“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.
• Broadcast signals are
reflected by nearby
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.
• 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.
• 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”.
• Display the “Setup” menu and check the
“Color System” setting (usually set this to
“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 .
9
9
21
20
15
21
21
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
The 1 (standby)
indicator on
your TV flashes
red several
times after
every three
seconds.
TV cabinet
creaks.
A small “boom”
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.
• Your TV’s self-
diagnosis function
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.
• The TV’s demagnetizing
function is working.
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.
• Count the number of times the 1
(standby) indicator flashes. Press !
(main power) to turn off your TV.
Contact your nearest Sony service center.
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
(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 : B21 to B68
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
VHF : A2 to A13
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
Input: 1
Phono jacks;
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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