Sony KV-BT21M40 Service Manual ▷ View online
21
Additional Information
Sony KV-BT21M50 Group A5 (
GB,
CT, MY)_4-096-491-11 (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
20
–
18
–
–
18
20
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
continue
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22
Additional Information
Sony KV-BT21M50 Group A5 (
GB,
CT, MY)_4-096-491-11 (1)
Good m
orning!
Good picture
No 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.
• 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.
• 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 (KV-BM21M40 only).
position is optimal (KV-BM21M40 only).
9
9
–
–
–
18
–
–
14
19
–
–
19
continued
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23
Additional Information
Sony KV-BT21M50 Group A5 (
GB,
CT, MY)_4-096-491-11 (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.
—
—
Page
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23
2
Sony KV-BT21M50 Group A5 (GB
, CT,
MY)_4-096-491-11 (1)
請勿放置任何物體於電視機上。請勿使任何液體滴
濕或噴濕本電視機。請勿放置任何裝有液體的物體
(如花瓶)於電視機上。
濕或噴濕本電視機。請勿放置任何裝有液體的物體
(如花瓶)於電視機上。
警告
• 本電視機內存在危險性高電壓。
• 本電視機僅可在 110-240 伏特交流電壓下操作(僅於馬來西亞:220-240 伏特交流電
壓)。
• 若未完成所有連接程序﹐請勿插入電源線﹔否則極少量的電流可能經天線或其它端子
外泄。
• 若打算近期內不使用遙控器﹐請將電池取出﹐以避免電池泄漏而損壞遙控器。若您不
小心觸及電池所泄漏的液體﹐應立即用水洗淨。
請勿打開本電視機的機殼和後蓋﹐因為電視機內存在
高電壓和危險性部件。須由合格的專業人員對電視機
進行檢修或棄置。
高電壓和危險性部件。須由合格的專業人員對電視機
進行檢修或棄置。
本電視機只適於家庭使用。請勿將本電視機放置於
任何交通工具內或多塵、高溫、潮濕或震動頻繁之
處。
任何交通工具內或多塵、高溫、潮濕或震動頻繁之
處。
若有任何液體流入或固體落入本電視機內時﹐請勿操
作本電視機。應立即請合格的專業人員檢查。
作本電視機。應立即請合格的專業人員檢查。
請勿堵塞本電視機的通風口。
請勿將本電視機放置於諸如書架或嵌入式壁櫥等封
閉之處。
請勿將本電視機放置於諸如書架或嵌入式壁櫥等封
閉之處。
為了兒童安全起見﹐請勿讓他們獨自逗留在電視機
旁。千萬別讓兒童攀爬本電視機。
旁。千萬別讓兒童攀爬本電視機。
請用乾的軟布清潔本電視機。請勿在電視機殼噴塗
表面貼附任何物體(例如﹐貼紙﹐透明玻璃膠紙﹐
膠合劑等)。請勿使用汽油、稀釋劑或任何其它化
學品清潔本電視機。請勿刮劃顯像管。
表面貼附任何物體(例如﹐貼紙﹐透明玻璃膠紙﹐
膠合劑等)。請勿使用汽油、稀釋劑或任何其它化
學品清潔本電視機。請勿刮劃顯像管。
為了個人安全起見﹐雷雨期間﹐請勿觸摸電視機的
任何部份﹐包括電源線和天線電纜。
任何部份﹐包括電源線和天線電纜。
02CT02WAR-MIX.p65
30/6/03, 5:13 PM
2
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