KV-HA21M50 - Sony TV Service Manual (repair manual). Page 9

Read Sony KV-HA21M50 Service Manual online

– 9 –
KV-HA21M50/HA21M60/HA21M80/
KV-HA21M80/H/HA21M81/HA21P52
RM-969
F
Troubleshooting
If you find any problem while viewing your TV, please check the following
guide.  If any problem persists, contact your Sony dealer.
Snowy picture,
noisy sound
Good picture,
noisy sound
No picture, no sound
Good picture, no sound
Dotted lines or stripes
Double images or
“ghosts”
No color
Abnormal color
patches
Teletext display is
incomplete (snowy
picture or double
images).
(KV-HA21M81 only)
The 1 (standby)
indicator on your TV
flashes red several
times after every
three seconds.
TV cabinet creaks.
A "boom" sound is
heard when the TV is
turned on.
Symptom
Solutions
• Check the antenna cable and connection on the TV, VCR and on the wall.
• Preset the channel manually again.  (See J)
• Check the antenna setup.  Contact a Sony dealer for advice.
• Select the appropriate TV system.  (KV-HA21M50/HA21M60/
HA21M80/HA21M80/H/HA21M81) (See J)
• Check the power cord, antenna and the VCR connections.
• Press ?/1 (power) or ! (main power) to turn on 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 the fine tuning ("FINE") function. (See J)
• Turn off or disconnect the booster if it is in use.
• Check the antenna setup.  Contact a Sony dealer for advice.
• Select the appropriate color system.  (See J)
• Adjust the color level. (See K)
• Check the antenna setup.  Contact a Sony dealer for advice.
• Keep external speakers or other electrical equipment away from the TV.
Press ! (main power) to turn off the TV for about 15 minutes, then turn it
on again to demagnetize the TV.
• Check the antenna cable and connection on the TV, VCR and on the wall.
• Use the fine tuning (“FINE”) function.  (See J)
• Check the antenna setup.  Contact a Sony dealer for advice.
• Count the number of times the 1 (standby) indicator flashes.  Press !
(main power) to turn off your TV.  Contact your nearest Sony service
center.
• Changes in room temperature 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.
H
Remote control
(KV-HA21M50/HA21M80/HA21M80/H/HA21M81)
Button
Function
1
?/1
Turn off temporarily or
turn on the TV.
2
a
Display the TV program.
3
JUMP
Jump to previous
program number.
4
PROGR +/–
Select program number.
5
2 +/–
Adjust volume.
6
SELECT
Select the desired item.
7
PIC MODE
Select picture mode.
9
+/–
Adjust items.
0
Display on-screen
information.
qa
%
Mute the sound.
qd
t
Select TV or video input.
qf
0 – 9, ÷
Input numbers.
Timer operations
qj
Set TV to turn on
automatically.
qk
Set TV to turn off
automatically.
qg
SOUND MODE
Select sound mode.
ql
SPACE SOUND
Select space sound mode.
qh
A/B
Not function for your TV.
Teletext operations (green label)
(KV-HA21M81 only)
8
x
 (red, green,
Access a FASTEXT
yellow, blue)
menu.
0
Reveal concealed
information
qs
Display Teletext
broadcast.
qd
Stop Teletext display from
scrolling.
qh
Enlarge the Teletext
display.
qj
Display Teletext service
contents.
qk
Show TV screen while
waiting for Teletext page.
See
K

I
I
K
K
M
M
M
M
M
M
M
TV
1
2
3
4
6
7
8
9
-
0
5
JUMP
SOUND 
MODE
 
SPACE 
SOUND
PROGR
2
qa
0
qs
qd
qf
qg
qh
qj
qk
ql
8
9
7
6
5
4
3
2
1
F
Troubleshooting
If you find any problem while viewing your TV, please check the following
guide.  If any problem persists, contact your Sony dealer.
Snowy picture,
noisy sound
Good picture,
noisy sound
No picture, no sound
Good picture, no sound
Dotted lines or stripes
Double images or
“ghosts”
No color
Abnormal color
patches
The 1 (standby)
indicator on your TV
flashes red several
times after every
three seconds.
TV cabinet creaks.
A "boom" sound is
heard when the TV is
turned on.
Symptom
Solutions
• Check the antenna cable and connection on the TV, VCR and on the wall.
• Preset the channel manually again.  (See J)
• Check the antenna setup.  Contact a Sony dealer for advice.
• Press A/B until the sound is optimal. (KV-HA21M60/HA21P52
• Check the power cord, antenna and the VCR connections.
• Press ?/1 (power) or ! (main power) to turn on 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 the fine tuning ("FINE") function.  (See J)
• Turn off or disconnect the booster if it is in use.
• Check the antenna setup.  Contact a Sony dealer for advice.
• Select the appropriate color system.  (See J)
• Adjust the color level.  (See K)
• Check the antenna setup.  Contact a Sony dealer for advice.
• Keep external speakers or other electrical equipment away from the TV.
Press ! (main power) 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.
• Changes in room temperature 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.
H
Remote control 
(KV-HA21P52)
Button
Function
1
?/1
Turn off temporarily or
turn on the TV.
2
a
Display the TV program.
3
JUMP
Jump to previous
program number.
4
PROGR +/–
Select program number.
5
2 +/–
Adjust volume.
6
SELECT
Select the desired item.
7
PIC MODE
Select picture mode.
9
+/–
Adjust items.
0
Display on-screen
information.
qa
%
Mute the sound.
qd
t
Select TV or video input.
qf
0 – 9, ÷
Input numbers.
Timer operations
qj
Set TV to turn on
automatically.
qk
Set TV to turn off
automatically.
qg
SOUND MODE
Select sound mode.
ql
SPACE SOUND
Select space sound mode.
Bilingual operations
qh
A/B
Select bilingual mode.
Teletext operations
8
x
 (red, green,
yellow, blue)
0
qs
qd
qh
qj
qk
See



K


I
I
K
K
M
Not function for your TV.
TV
1
2
3
4
6
7
8
9
-
0
5
JUMP
SOUND 
MODE
PROGR
2
 SPACE 
SOUND
qa
0
qs
qd
qf
qg
qh
qj
qk
ql
8
9
7
6
5
4
3
2
1
Page of 65
Display

Click on the first or last page to see other KV-HA21M50 service manuals if exist.